     1                                  
     2                                  ; Public Domain
     3                                  
     4                                  ; test run command: ; .; .
     5                                  
     6                                  %include "lmacros3.mac"
     1                              <1> [list -]
    14                              <2> [list -]
    14                              <1> [list -]
     7                                  %include "eld.mac"
     1                              <1> %if 0
     2                              <1> 
     3                              <1> Extensions for lDebug macros
     4                              <1> 
     5                              <1> Copyright (C) 2008-2025 E. C. Masloch
     6                              <1> 
     7                              <1> Usage of the works is permitted provided that this
     8                              <1> instrument is retained with the works, so that any entity
     9                              <1> that uses the works is notified of this instrument.
    10                              <1> 
    11                              <1> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <1> 
    13                              <1> %endif
    14                              <1> 
    15                              <1> %ifndef ELD_MAC
    16                              <1> %define ELD_MAC 1
    17                              <1> 
    18                              <1> %include "lmacros3.mac"
     1                              <2> [list -]
    19                              <1> 
    20                              <1> 		; ELD executable header
    21                              <1> 	struc ELD_HEADER
    22 00000000 ????????            <1> eldhSignature:		resb 4	; "ELD1"
    23 00000004 ??????              <1> 			resb 3	; reserved
    24 00000007 ??                  <1> 			resb 1	; 26 (Ctrl-Z)
    25 00000008 ????????            <1> eldhCodeOffset:		resd 1	; position displacement from eldhSignature
    26 0000000C ????                <1> eldhCodeImageLength:	resw 1	; amount bytes, at least 32
    27 0000000E ????                <1> eldhCodeAllocLength:	resw 1	; amount bytes, added to prior. sum < 64 KiB
    28 00000010 ????????            <1> eldhDataOffset:		resd 1
    29 00000014 ????                <1> eldhDataImageLength:	resw 1	; (zero allowed)
    30 00000016 ????                <1> eldhDataAllocLength:	resw 1	; (zero allowed)
    31 00000018 ????                <1> eldhCodeEntrypoint:	resw 1	; within code section, used as displacement
    32 0000001A ????????            <1> eldhReserved:		resb 4	; reserved
    33 0000001E ????                <1> eldhExtensionSize:	resw 1	; from eldhSignature, -> past eldhx fields in use
    34                              <1> 	endstruc
    35                              <1> 	endarea ELD_HEADER, 1
    36                              <1> 
    37                              <1> 	struc ELD_HEADERX
    38 00000000 <res 20h>           <1> eldhxHeader:		resb ELD_HEADER_size
    39 00000020 ????????            <1> eldhxDescriptionOffset:	resd 1	; zero if none, from eldhxHeader. <= 128 Bytes
    40 00000024 ????????            <1> eldhxHelpOffset:	resd 1	; zero if none, from eldhxHeader
    41 00000028 ????????            <1> eldhxLibTable:		resd 1	; zero if none, from eldhxHeader
    42 0000002C ????????            <1> eldhxDateTimeOffset:	resd 1	; zero if none, from eldhxHeader
    43                              <1> 	alignb 16
    44                              <1> 	endstruc
    45                              <1> 
    46                              <1> 	struc ELD_TRAILER_HEADER
    47 00000000 ????????????????    <1> eldthSignature:		resb 8	; "ELD1TAIL"
    48 00000008 ????????            <1> eldthHeaderOffset:	resd 1	; negative displacement from eldthSignature,
    49                              <1> 				;  add this dword to the seek offset
    50 0000000C ????                <1> eldthReserved:		resw 1	; reserved, must be initialised to zero
    51 0000000E ????                <1> eldthChecksum:		resw 1	; sum of all words in trailer header = 0
    52                              <1> 	endstruc
    53                              <1> 	endarea ELD_TRAILER_HEADER, 1
    54                              <1> 
    55                              <1> 	struc ELD_LIBTABLE
    56 00000000 ????                <1> eldltFormat:		resw 1
    57                              <1> 	; 0 = uncompressed
    58                              <1> 	; 2 = heatshrink compressed
    59                              <1> 	; 3 = lzexedat -4 compressed
    60                              <1> 	; 4 = lzexedat -4 -l compressed
    61 00000002 ????                <1> eldltAmount:		resw 1
    62 00000004 ????????            <1> eldltOffset:		resd 1	; from eldhxHeader
    63                              <1> eldltCompressedLength:		; (dword, only present if format 2, 3, or 4)
    64                              <1> 	endstruc
    65                              <1> 	endarea ELD_LIBTABLE, 1
    66                              <1> 
    67                              <1> 		; ELD instance header
    68                              <1> 	struc ELD_INSTANCE
    69 00000000 ????                <1> eldiStartCode:		resw 1	; -> this structure itself (para aligned)
    70 00000002 ????                <1> eldiEndCode:		resw 1	; -> behind memory used by instance (para aligned)
    71 00000004 ????                <1> eldiStartData:		resw 1	; -> data in data entry section (para aligned), or 0
    72 00000006 ????                <1> eldiEndData:		resw 1	; -> behind data (para aligned), or 0
    73 00000008 ????????????????    <1> eldiIdentifier:		resb 8	; blank-filled text
    74 00000010 ????                <1> eldiFlags:		resw 1	; flags
    75                              <1> eldiListing_size equ 14
    76 00000012 <res Eh>            <1> eldiListing:		resb eldiListing_size
    77                              <1> 				; ASCIZ listing file name
    78                              <1> 	endstruc
    79                              <1> 		; flags for eldiFlags:
    80                              <1> eldifResident:		equ 1
    81                              <1> 
    82                              <1> 		; ELD link info header
    83                              <1> 	struc ELD_LINKINFO
    84 00000000 ????                <1> eldlSignature:		resw 1	; 0E1D1h
    85 00000002 ????????            <1> eldlReserved:		resw 2
    86 00000006 ????                <1> eldlUseLinkHash:	resw 1
    87 00000008 ????                <1> eldlDataAmount:		resw 1
    88 0000000A ????                <1> eldlDataPrefixes:	resw 1
    89 0000000C ????                <1> eldlDataEntries:	resw 1
    90 0000000E ????                <1> eldlDataAddresses:	resw 1
    91 00000010 ????                <1> eldlCodeAmount:		resw 1
    92 00000012 ????                <1> eldlCodePrefixes:	resw 1
    93 00000014 ????                <1> eldlCodeEntries:	resw 1
    94 00000016 ????                <1> eldlCodeAddresses:	resw 1
    95                              <1> 	endstruc
    96                              <1> 
    97                              <1> 	numdef ELD_CODE_VSTART, 9001h
    98                              <1> 	numdef ELD_DATA_VSTART, 8000h
    99                              <1> 	numdef ELD_RELOC_VSTART, 8000h
   100                              <1> 
   101                              <1> 	numdef ELD_RECLAIM_HINT, 0
   102                              <1> 	strdef ELD_LISTING, ""
   103                              <1> 	numdef ELD_DATETIME, 0
   104                              <1> 
   105                              <1> %if _ELD_DATETIME
   106                              <1>  %define PUT_ELDHX_DATETIME_OFFSET at eldhxDateTimeOffset, dd DATAOFFSET + datetime - datastart
   107                              <1>  %macro PUT_ELD_DATETIME 0.nolist
   108                              <1> datetime:	asciz __UTC_DATE__,'T',__UTC_TIME__,'Z'
   109                              <1> 		asciz		; for future extension
   110                              <1>  %endmacro
   111                              <1> %else
   112                              <1>  %define PUT_ELDHX_DATETIME_OFFSET
   113                              <1>  %define PUT_ELD_DATETIME
   114                              <1> %endif
   115                              <1> 
   116                              <1> %endif
     8                                  %include "eldcall.mac"
     1                              <1> %if 0
     2                              <1> 
     3                              <1> Extensions for lDebug call macros
     4                              <1> 
     5                              <1> Copyright (C) 2008-2024 E. C. Masloch
     6                              <1> 
     7                              <1> Usage of the works is permitted provided that this
     8                              <1> instrument is retained with the works, so that any entity
     9                              <1> that uses the works is notified of this instrument.
    10                              <1> 
    11                              <1> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <1> 
    13                              <1> %endif
    14                              <1> 
    15                              <1> %ifndef ELDCALL_MAC
    16                              <1> %define ELDCALL_MAC 1
    17                              <1> 
    18                              <1> %include "lmacros3.mac"
     1                              <2> [list -]
    19                              <1> %include "nasmhash.mac"
     1                              <2> 
     2                              <2> %if 0
     3                              <2> 
     4                              <2> Hashing macros
     5                              <2>  by E. C. Masloch, 2019
     6                              <2> 
     7                              <2> Usage of the works is permitted provided that this
     8                              <2> instrument is retained with the works, so that any entity
     9                              <2> that uses the works is notified of this instrument.
    10                              <2> 
    11                              <2> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <2> 
    13                              <2> %endif
    14                              <2> 
    15                              <2> %ifndef __NASMHASH_MAC__
    16                              <2> %assign __NASMHASH_MAC__ 1
    17                              <2> 
    18                              <2> 
    19                              <2> 	%macro hashdef 2+.nolist
    20                              <2> %ifempty %2
    21                              <2>  %assign _%1 1
    22                              <2> %else
    23                              <2> %ifstr %2
    24                              <2>  %define %%string %2
    25                              <2> %elifid %2
    26                              <2>  %defstr %%string %2
    27                              <2> %elifnum %2
    28                              <2>  %defstr %%string %2
    29                              <2> %eliftok %2
    30                              <2>  %defstr %%string %2
    31                              <2> %else
    32                              <2>  %error Unknown input
    33                              <2> %endif
    34                              <2> %strlen %%length %%string
    35                              <2> %assign %%hash 1
    36                              <2> %assign %%index 1
    37                              <2> %rep %%length
    38                              <2>  %substr %%char %%string %%index
    39                              <2>  %assign %%hash (%%hash * 31 + %%char) & 0FFFFh
    40                              <2>  %assign %%index %%index + 1
    41                              <2> %endrep
    42                              <2> %assign _%1 %%hash
    43                              <2> %endif
    44                              <2> 	%endmacro
    45                              <2> 
    46                              <2> 
    47                              <2> %endif
    20                              <1> %include "elddata.mac"
     1                              <2> %if 0
     2                              <2> 
     3                              <2> Extensions for lDebug data relocation macros
     4                              <2> 
     5                              <2> Copyright (C) 2008-2024 E. C. Masloch
     6                              <2> 
     7                              <2> Usage of the works is permitted provided that this
     8                              <2> instrument is retained with the works, so that any entity
     9                              <2> that uses the works is notified of this instrument.
    10                              <2> 
    11                              <2> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <2> 
    13                              <2> %endif
    14                              <2> 
    15                              <2> %ifndef ELDDATA_MAC
    16                              <2> %define ELDDATA_MAC 1
    17                              <2> 
    18                              <2> %include "lmacros3.mac"
     1                              <3> [list -]
    19                              <2> %include "nasmhash.mac"
     1                              <3> 
     2                              <3> %if 0
     3                              <3> 
     4                              <3> Hashing macros
     5                              <3>  by E. C. Masloch, 2019
     6                              <3> 
     7                              <3> Usage of the works is permitted provided that this
     8                              <3> instrument is retained with the works, so that any entity
     9                              <3> that uses the works is notified of this instrument.
    10                              <3> 
    11                              <3> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <3> 
    13                              <3> %endif
    14                              <3> 
    15                              <3> %ifndef __NASMHASH_MAC__
    16                              <3> %assign __NASMHASH_MAC__ 1
    17                              <3> 
    18                              <3> 
    19                              <3> 	%macro hashdef 2+.nolist
    20                              <3> %ifempty %2
    21                              <3>  %assign _%1 1
    22                              <3> %else
    23                              <3> %ifstr %2
    24                              <3>  %define %%string %2
    25                              <3> %elifid %2
    26                              <3>  %defstr %%string %2
    27                              <3> %elifnum %2
    28                              <3>  %defstr %%string %2
    29                              <3> %eliftok %2
    30                              <3>  %defstr %%string %2
    31                              <3> %else
    32                              <3>  %error Unknown input
    33                              <3> %endif
    34                              <3> %strlen %%length %%string
    35                              <3> %assign %%hash 1
    36                              <3> %assign %%index 1
    37                              <3> %rep %%length
    38                              <3>  %substr %%char %%string %%index
    39                              <3>  %assign %%hash (%%hash * 31 + %%char) & 0FFFFh
    40                              <3>  %assign %%index %%index + 1
    41                              <3> %endrep
    42                              <3> %assign _%1 %%hash
    43                              <3> %endif
    44                              <3> 	%endmacro
    45                              <3> 
    46                              <3> 
    47                              <3> %endif
    20                              <2> %include "eldcheck.mac"
     1                              <3> %if 0
     2                              <3> 
     3                              <3> Extensions for lDebug relocation check macros
     4                              <3> 
     5                              <3> Copyright (C) 2008-2023 E. C. Masloch
     6                              <3> 
     7                              <3> Usage of the works is permitted provided that this
     8                              <3> instrument is retained with the works, so that any entity
     9                              <3> that uses the works is notified of this instrument.
    10                              <3> 
    11                              <3> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <3> 
    13                              <3> %endif
    14                              <3> 
    15                              <3> %ifndef ELDCHECK_MAC
    16                              <3> %define ELDCHECK_MAC 1
    17                              <3> 
    18                              <3> %assign ELDSTRICT 0
    19                              <3> %assign ELDSTRICTCOUNTER 0
    20                              <3> 
    21                              <3> 	%imacro eldstrict 1.nolist
    22                              <3> %ifidni %1, on
    23                              <3>  %assign ELDSTRICT 1
    24                              <3>  [warning +error=reloc-abs]
    25                              <3>  [warning +reloc-abs]
    26                              <3> %elifidni %1, off
    27                              <3>  %assign ELDSTRICT 0
    28                              <3>  [warning -reloc-abs]
    29                              <3> %else
    30                              <3>  %error Unknown keyword
    31                              <3> %endif
    32                              <3> 	%endmacro
    33                              <3> 
    34                              <3> 	%imacro reloc 1+.nolist
    35                              <3> %if ELDSTRICT
    36                              <3>  %if ELDSTRICTCOUNTER
    37                              <3>   %error Missing relocation
    38                              <3>  %endif
    39                              <3>  [warning -reloc-abs]
    40                              <3>  %assign ELDSTRICTCOUNTER 1
    41                              <3> %endif
    42                              <3> %1
    43                              <3> 	%endmacro
    44                              <3> 
    45                              <3> 	%imacro reloc2 1+.nolist
    46                              <3> %if ELDSTRICT
    47                              <3>  %if ELDSTRICTCOUNTER
    48                              <3>   %error Missing relocation
    49                              <3>  %endif
    50                              <3>  [warning -reloc-abs]
    51                              <3>  %assign ELDSTRICTCOUNTER 2
    52                              <3> %endif
    53                              <3> %1
    54                              <3> 	%endmacro
    55                              <3> 
    56                              <3> 	%imacro eldstrictcheck 0.nolist
    57                              <3> %if ELDSTRICT
    58                              <3>  %ifn ELDSTRICTCOUNTER
    59                              <3>   %error Unexpected relocation
    60                              <3>  %else
    61                              <3>   %assign ELDSTRICTCOUNTER ELDSTRICTCOUNTER - 1
    62                              <3>   %ifn ELDSTRICTCOUNTER
    63                              <3>    [warning +reloc-abs]
    64                              <3>   %endif
    65                              <3>  %endif
    66                              <3> %endif
    67                              <3> 	%endmacro
    68                              <3> 
    69                              <3> %endif
    70                              <3> 
    21                              <2> 
    22                              <2> 
    23                              <2> %assign ELDLINKER 0
    24                              <2> 
    25                              <2> %define INTERNAL_CODE_TO_CODE_RELOCATIONS ""
    26                              <2> %define INTERNAL_CODE_TO_DATA_RELOCATIONS ""
    27                              <2> %define INTERNAL_DATA_TO_CODE_RELOCATIONS ""
    28                              <2> %define INTERNAL_DATA_TO_DATA_RELOCATIONS ""
    29                              <2> %define INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS ""
    30                              <2> %define INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS ""
    31                              <2> %define INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS ""
    32                              <2> %define INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS ""
    33                              <2> %assign ELDDATA_OPTIONAL_STATUS 0		; not any seen yet
    34                              <2> %assign ELDDATA_PMREQUIRED_STATUS 0		; not any seen yet
    35                              <2> 
    36                              <2> 	%imacro internalcoderelocation 0-1.nolist -2
    37                              <2> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %1
    38                              <2> %if ELDLINKER
    39                              <2>  %ifidni _CURRENT_SECTION_TYPE, DATA
    40                              <2>   %xdefine INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, %%entry
    41                              <2>  %else
    42                              <2>   %xdefine INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, %%entry
    43                              <2>  %endif
    44                              <2> %else
    45                              <2>  %ifidni _CURRENT_SECTION_TYPE, DATA
    46                              <2>   %xdefine INTERNAL_DATA_TO_CODE_RELOCATIONS INTERNAL_DATA_TO_CODE_RELOCATIONS, %%entry
    47                              <2>  %else
    48                              <2>   %xdefine INTERNAL_CODE_TO_CODE_RELOCATIONS INTERNAL_CODE_TO_CODE_RELOCATIONS, %%entry
    49                              <2>  %endif
    50                              <2> %endif
    51                              <2> 	eldstrictcheck
    52                              <2> 	%endmacro
    53                              <2> 
    54                              <2> 	%imacro internaldatarelocation 0-1.nolist -2
    55                              <2> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %1
    56                              <2> %if ELDLINKER
    57                              <2>  %ifidni _CURRENT_SECTION_TYPE, DATA
    58                              <2>   %xdefine INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS, %%entry
    59                              <2>  %else
    60                              <2>   %xdefine INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, %%entry
    61                              <2>  %endif
    62                              <2> %else
    63                              <2>  %ifidni _CURRENT_SECTION_TYPE, DATA
    64                              <2>   %xdefine INTERNAL_DATA_TO_DATA_RELOCATIONS INTERNAL_DATA_TO_DATA_RELOCATIONS, %%entry
    65                              <2>  %else
    66                              <2>   %xdefine INTERNAL_CODE_TO_DATA_RELOCATIONS INTERNAL_CODE_TO_DATA_RELOCATIONS, %%entry
    67                              <2>  %endif
    68                              <2> %endif
    69                              <2> 	eldstrictcheck
    70                              <2> 	%endmacro
    71                              <2> 
    72                              <2> ; dw INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, 0
    73                              <2> ; dw INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, 0
    74                              <2> ; dw INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, -1
    75                              <2> ; dw INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS, -1
    76                              <2> ; dw INTERNAL_CODE_TO_CODE_RELOCATIONS, 0
    77                              <2> ; dw INTERNAL_CODE_TO_DATA_RELOCATIONS, 0
    78                              <2> ; dw INTERNAL_DATA_TO_CODE_RELOCATIONS, -1
    79                              <2> ; dw INTERNAL_DATA_TO_DATA_RELOCATIONS, -1
    80                              <2> 
    81                              <2> 
    82                              <2> %define LINK_DATA_RELOCATIONS ""
    83                              <2> %define LINK_LINKER_DATA_RELOCATIONS ""
    84                              <2> %define LINK_DATA_NAMES db ""
    85                              <2> %define LINK_DATA_DETECTION none, none
    86                              <2> 
    87                              <2> %define LINK_OTHER_DATA_RELOCATIONS ""
    88                              <2> %define LINK_OTHER_LINKER_DATA_RELOCATIONS ""
    89                              <2> %define LINK_OTHER_DATA_NAMES db ""
    90                              <2> %define LINK_OTHER_DATA_DETECTION none, none
    91                              <2> 
    92                              <2> %ifndef ELDOTHER
    93                              <2>  %assign ELDOTHER 0
    94                              <2> %endif
    95                              <2> %assign ELDOTHERLINK 0
    96                              <2> 
    97                              <2> 	%imacro otherlinkdatarelocation 1-3.nolist -2, required
    98                              <2> %if ELDOTHER
    99                              <2>  %assign ELDOTHERLINK 1
   100                              <2> %endif
   101                              <2> 	linkdatarelocation %1, %2, %3
   102                              <2> %assign ELDOTHERLINK 0
   103                              <2> 	%endmacro
   104                              <2> 
   105                              <2> 	%imacro linkdatarelocation 1-3.nolist -2, required
   106                              <2> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %2
   107                              <2> %ifidni %3, required
   108                              <2>  %assign %%optional 0
   109                              <2> %elifidni %3, optional
   110                              <2>  %assign %%optional 100h
   111                              <2>  %if ELDDATA_OPTIONAL_STATUS == 0
   112                              <2>   %assign ELDDATA_OPTIONAL_STATUS 1
   113                              <2>  %elif ELDDATA_OPTIONAL_STATUS == 1
   114                              <2>  %else
   115                              <2>   %error Optional data link not allowed here
   116                              <2>  %endif
   117                              <2> %elifidni %3, PM required
   118                              <2>  %assign %%optional 300h
   119                              <2>  %assign ELDDATA_PMREQUIRED_STATUS 1
   120                              <2>  %if ELDDATA_OPTIONAL_STATUS == 0
   121                              <2>   %assign ELDDATA_OPTIONAL_STATUS 1
   122                              <2>  %elif ELDDATA_OPTIONAL_STATUS == 1
   123                              <2>  %else
   124                              <2>   %error Optional data link not allowed here
   125                              <2>  %endif
   126                              <2> %else
   127                              <2>  %fatal Unknown optional keyword
   128                              <2> %endif
   129                              <2> %ifidni _CURRENT_SECTION_TYPE, DATA
   130                              <2>  %assign %%DATASECTION 1
   131                              <2> %else
   132                              <2>  %assign %%DATASECTION 0
   133                              <2> %endif
   134                              <2> 	%if ELDOTHERLINK
   135                              <2> %if ELDLINKER
   136                              <2>  %xdefine LINK_OTHER_LINKER_DATA_RELOCATIONS LINK_OTHER_LINKER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   137                              <2> %else
   138                              <2>  %xdefine LINK_OTHER_DATA_RELOCATIONS LINK_OTHER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   139                              <2> %endif
   140                              <2> 	%else
   141                              <2> %if ELDLINKER
   142                              <2>  %xdefine LINK_LINKER_DATA_RELOCATIONS LINK_LINKER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   143                              <2> %else
   144                              <2>  %xdefine LINK_DATA_RELOCATIONS LINK_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   145                              <2> %endif
   146                              <2> 	%endif
   147                              <2> %defstr %%string %1
   148                              <2> %strlen %%length %%string
   149                              <2> %if %%length > 64
   150                              <2>  %error Too long link name: %1
   151                              <2> %endif
   152                              <2> %define LINK_DATA_CHECK %1
   153                              <2> 	%if ELDOTHERLINK
   154                              <2> 	linkdata_detect LINK_OTHER_DATA_DETECTION
   155                              <2> %if LINK_DATA_NEW
   156                              <2>  %xdefine LINK_OTHER_DATA_DETECTION LINK_OTHER_DATA_DETECTION, %1, %%name
   157                              <2> 	hashdef HASH, %%string
   158                              <2>  %xdefine LINK_OTHER_DATA_NAMES 	LINK_OTHER_DATA_NAMES, %%name:, dw _HASH, {counted %%string}
   160                              <2> %else
   161                              <2>  %%name equ LINK_DATA_DUPLICATE
   162                              <2> %endif
   163                              <2> 	%else
   164                              <2> 	linkdata_detect LINK_DATA_DETECTION
   165                              <2> %if LINK_DATA_NEW
   166                              <2>  %xdefine LINK_DATA_DETECTION LINK_DATA_DETECTION, %1, %%name
   167                              <2> 	hashdef HASH, %%string
   168                              <2>  %xdefine LINK_DATA_NAMES 	LINK_DATA_NAMES, %%name:, dw _HASH, {counted %%string}
   170                              <2> %else
   171                              <2>  %%name equ LINK_DATA_DUPLICATE
   172                              <2> %endif
   173                              <2> 	%endif
   174                              <2> 	eldstrictcheck
   175                              <2> 	%endmacro
   176                              <2> 
   177                              <2> 	%imacro linkdata_detect 2-*.nolist
   178                              <2> %assign LINK_DATA_NEW 1
   179                              <2> %rep (%0 - 2) / 2
   180                              <2>  %rotate 2
   181                              <2>  %ifidni %1, LINK_DATA_CHECK
   182                              <2>   %assign LINK_DATA_NEW 0
   183                              <2>   %xdefine LINK_DATA_DUPLICATE %2
   184                              <2>   %exitrep
   185                              <2>  %endif
   186                              <2> %endrep
   187                              <2> 	%endmacro
   188                              <2> 
   189                              <2> 	%imacro link_data_dump_names 1-*.nolist
   190                              <2> %rep %0
   191                              <2> 	%1
   192                              <2>  %rotate 1
   193                              <2> %endrep
   194                              <2> 	%endmacro
   195                              <2> 
   196                              <2> ; dw LINK_LINKER_DATA_RELOCATIONS, 0, 0
   197                              <2> ; dw LINK_DATA_RELOCATIONS, 0, 0
   198                              <2> ; link_data_dump_names ELDCALL_CODE_NAMES
   199                              <2> 
   200                              <2> %endif
    21                              <1> 
    22                              <1> %assign ELDLINKER 0
    23                              <1> 
    24                              <1> [section relocatedzero nobits vstart=0]
    25                              <1> relocatedzero:
    26                              <1> __SECT__
    27                              <1> 
    28                              <1> 	numdef HOUDINI, 1
    29                              <1> 	numdef HOUDINI_CONDITIONAL, 1
    30                              <1> 
    31                              <1> %imacro houdini 0.nolist
    32                              <1> %if _HOUDINI
    33                              <1>  %if _HOUDINI_CONDITIONAL
    34                              <1> reloc	testopt [ss:relocateddata], 100h
    35                              <1> linkdatarelocation options7, -3
    36                              <1> 	jz %%skip
    37                              <1>  %endif
    38                              <1> reloc	testopt [ss:relocateddata], 100h
    39                              <1> linkdatarelocation internalflags6, -3
    40                              <1> 	jz %%skip
    41                              <1> 	int3
    42                              <1> %%skip:
    43                              <1> %endif
    44                              <1> %endmacro
    45                              <1> 
    46                              <1> %define ELDCALL_CODE_RELOCATIONS ""
    47                              <1> %define ELDCALL_LINKER_CODE_RELOCATIONS ""
    48                              <1> %define ELDCALL_CODE_RELOCATIONS_OPTIONAL ""
    49                              <1> %define ELDCALL_LINKER_CODE_RELOCATIONS_OPTIONAL ""
    50                              <1> %define ELDCALL_CODE_NAMES db ""
    51                              <1> %define ELDCALL_CODE_DETECTION none, none
    52                              <1> %assign ELDCALL_OPTIONAL_STATUS 0		; not any seen yet
    53                              <1> %assign ELDCALL_PMREQUIRED_STATUS 0		; not any seen yet
    54                              <1> 
    55                              <1> 	%imacro extcall 1-2.nolist required
    56                              <1> %ifidni _CURRENT_SECTION_TYPE, DATA
    57                              <1>  %error "ELD call cannot be used in ELD data block"
    58                              <1> %endif
    59                              <1> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP
    60                              <1> %ifidni %2, required
    61                              <1>  %assign %%optional 0
    62                              <1> %elifidni %2, optional
    63                              <1>  %assign %%optional 100h
    64                              <1>  %if ELDCALL_OPTIONAL_STATUS == 0
    65                              <1>   %assign ELDCALL_OPTIONAL_STATUS 1
    66                              <1>  %elif ELDCALL_OPTIONAL_STATUS == 1
    67                              <1>  %else
    68                              <1>   %error Optional code link not allowed here
    69                              <1>  %endif
    70                              <1> %elifidni %2, PM required
    71                              <1>  %assign %%optional 300h
    72                              <1>  %assign ELDCALL_PMREQUIRED_STATUS 1
    73                              <1>  %if ELDCALL_OPTIONAL_STATUS == 0
    74                              <1>   %assign ELDCALL_OPTIONAL_STATUS 1
    75                              <1>  %elif ELDCALL_OPTIONAL_STATUS == 1
    76                              <1>  %else
    77                              <1>   %error Optional code link not allowed here
    78                              <1>  %endif
    79                              <1> %else
    80                              <1>  %fatal Unknown optional keyword
    81                              <1> %endif
    82                              <1> %if 0
    83                              <1> [warning -reloc-rel-word]
    84                              <1> 	call near relocatedzero
    85                              <1> [warning +reloc-rel-word]
    86                              <1> %else
    87                              <1> 	db 0E8h
    88                              <1> reloc	dw relocatedzero
    89                              <1> 	eldstrictcheck
    90                              <1> %endif
    91                              <1> 	jmp strict short %%skipparameter
    92                              <1> 	dw 0
    93                              <1> %%skipparameter:
    94                              <1> %if ELDLINKER
    95                              <1>  %xdefine ELDCALL_LINKER_CODE_RELOCATIONS ELDCALL_LINKER_CODE_RELOCATIONS, %%entry, %%name
    96                              <1>  %xdefine ELDCALL_LINKER_CODE_RELOCATIONS_OPTIONAL ELDCALL_LINKER_CODE_RELOCATIONS_OPTIONAL, 1 + %%optional, %%entry, %%name
    97                              <1> %else
    98                              <1>  %xdefine ELDCALL_CODE_RELOCATIONS ELDCALL_CODE_RELOCATIONS, %%entry, %%name
    99                              <1>  %xdefine ELDCALL_CODE_RELOCATIONS_OPTIONAL ELDCALL_CODE_RELOCATIONS_OPTIONAL, 1 + %%optional, %%entry, %%name
   100                              <1> %endif
   101                              <1> %defstr %%string %1
   102                              <1> %strlen %%length %%string
   103                              <1> %if %%length > 64
   104                              <1>  %error Too long link name: %1
   105                              <1> %endif
   106                              <1> %define ELDCALL_CODE_CHECK %1
   107                              <1> 	linkcode_detect ELDCALL_CODE_DETECTION
   108                              <1> %if ELDCALL_CODE_NEW
   109                              <1>  %xdefine ELDCALL_CODE_DETECTION ELDCALL_CODE_DETECTION, %1, %%name
   110                              <1> 	hashdef HASH, %%string
   111                              <1> %xdefine ELDCALL_CODE_NAMES 	ELDCALL_CODE_NAMES, %%name:, dw _HASH, {counted %%string}
   113                              <1> %else
   114                              <1>  %%name equ ELDCALL_CODE_DUPLICATE
   115                              <1> %endif
   116                              <1> 	%endmacro
   117                              <1> 
   118                              <1> 	%imacro linkcode_detect 2-*.nolist
   119                              <1> %assign ELDCALL_CODE_NEW 1
   120                              <1> %rep (%0 - 2) / 2
   121                              <1>  %rotate 2
   122                              <1>  %ifidni %1, ELDCALL_CODE_CHECK
   123                              <1>   %assign ELDCALL_CODE_NEW 0
   124                              <1>   %xdefine ELDCALL_CODE_DUPLICATE %2
   125                              <1>   %exitrep
   126                              <1>  %endif
   127                              <1> %endrep
   128                              <1> 	%endmacro
   129                              <1> 
   130                              <1> 
   131                              <1> %define ELDCALL_CALLCALL_LIST none
   132                              <1> 
   133                              <1> 	%imacro extcallcall 1.nolist
   134                              <1> 	call %1
   135                              <1> %xdefine ELDCALL_CALLCALL_LIST ELDCALL_CALLCALL_LIST, %1
   136                              <1> 	%endmacro
   137                              <1> 
   138                              <1> %assign ELDCALLCALL_DUMPED 0
   139                              <1> 
   140                              <1> 	%imacro eldcall_dump_callcall 1-*.nolist
   141                              <1> %define ELDCALL_CALLCALL_PROCESSED none
   142                              <1>  %rep %0 - 1
   143                              <1>   %rotate 1
   144                              <1>   %define ELDCALL_CHECK %1
   145                              <1> 	eldcall_callcall_detect ELDCALL_CALLCALL_PROCESSED
   146                              <1>   %if ELDCALL_NEW
   147                              <1>    %xdefine ELDCALL_CALLCALL_PROCESSED ELDCALL_CALLCALL_PROCESSED, %1
   148                              <1> 	align 8, nop
   149                              <1> %1:
   150                              <1> 	extcall %1
   151                              <1> 	retn
   152                              <1>   %endif
   153                              <1>  %endrep
   154                              <1> %unimacro extcallcall 1.nolist
   155                              <1> %assign ELDCALLCALL_DUMPED 1
   156                              <1> %define ELDCALL_CALLCALL_LIST none
   157                              <1> 	%endmacro
   158                              <1> 
   159                              <1> 	%imacro eldcall_callcall_detect 1-*.nolist
   160                              <1> %assign ELDCALL_NEW 1
   161                              <1> %rep %0 - 1
   162                              <1>  %rotate 1
   163                              <1>  %ifidni %1, ELDCALL_CHECK
   164                              <1>   %assign ELDCALL_NEW 0
   165                              <1>   %exitrep
   166                              <1>  %endif
   167                              <1> %endrep
   168                              <1> 	%endmacro
   169                              <1> 
   170                              <1> 	%imacro eldcall_dump_names 1-*.nolist
   171                              <1> %rep %0
   172                              <1> 	%1
   173                              <1>  %rotate 1
   174                              <1> %endrep
   175                              <1> 	%endmacro
   176                              <1> 
   177                              <1> ; eldcall_dump_callcall ELDCALL_CALLCALL_LIST
   178                              <1> ; if using optional code links:
   179                              <1> ;  dw ELDCALL_LINKER_CODE_RELOCATIONS_OPTIONAL, 0
   180                              <1> ;  dw ELDCALL_CODE_RELOCATIONS_OPTIONAL, 0
   181                              <1> ; if not using optional code links:
   182                              <1> ;  dw ELDCALL_LINKER_CODE_RELOCATIONS, 0, 0
   183                              <1> ;  dw ELDCALL_CODE_RELOCATIONS, 0, 0
   184                              <1> ; eldcall_dump_names ELDCALL_CODE_NAMES
   185                              <1> 
   186                              <1> %endif
     9                                  %include "elddata.mac"
     1                              <1> %if 0
     2                              <1> 
     3                              <1> Extensions for lDebug data relocation macros
     4                              <1> 
     5                              <1> Copyright (C) 2008-2024 E. C. Masloch
     6                              <1> 
     7                              <1> Usage of the works is permitted provided that this
     8                              <1> instrument is retained with the works, so that any entity
     9                              <1> that uses the works is notified of this instrument.
    10                              <1> 
    11                              <1> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <1> 
    13                              <1> %endif
    14                              <1> 
    15                              <1> %ifndef ELDDATA_MAC
    16                              <1> %define ELDDATA_MAC 1
    17                              <1> 
    18                              <1> %include "lmacros3.mac"
    19                              <1> %include "nasmhash.mac"
    20                              <1> %include "eldcheck.mac"
    21                              <1> 
    22                              <1> 
    23                              <1> %assign ELDLINKER 0
    24                              <1> 
    25                              <1> %define INTERNAL_CODE_TO_CODE_RELOCATIONS ""
    26                              <1> %define INTERNAL_CODE_TO_DATA_RELOCATIONS ""
    27                              <1> %define INTERNAL_DATA_TO_CODE_RELOCATIONS ""
    28                              <1> %define INTERNAL_DATA_TO_DATA_RELOCATIONS ""
    29                              <1> %define INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS ""
    30                              <1> %define INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS ""
    31                              <1> %define INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS ""
    32                              <1> %define INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS ""
    33                              <1> %assign ELDDATA_OPTIONAL_STATUS 0		; not any seen yet
    34                              <1> %assign ELDDATA_PMREQUIRED_STATUS 0		; not any seen yet
    35                              <1> 
    36                              <1> 	%imacro internalcoderelocation 0-1.nolist -2
    37                              <1> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %1
    38                              <1> %if ELDLINKER
    39                              <1>  %ifidni _CURRENT_SECTION_TYPE, DATA
    40                              <1>   %xdefine INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, %%entry
    41                              <1>  %else
    42                              <1>   %xdefine INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, %%entry
    43                              <1>  %endif
    44                              <1> %else
    45                              <1>  %ifidni _CURRENT_SECTION_TYPE, DATA
    46                              <1>   %xdefine INTERNAL_DATA_TO_CODE_RELOCATIONS INTERNAL_DATA_TO_CODE_RELOCATIONS, %%entry
    47                              <1>  %else
    48                              <1>   %xdefine INTERNAL_CODE_TO_CODE_RELOCATIONS INTERNAL_CODE_TO_CODE_RELOCATIONS, %%entry
    49                              <1>  %endif
    50                              <1> %endif
    51                              <1> 	eldstrictcheck
    52                              <1> 	%endmacro
    53                              <1> 
    54                              <1> 	%imacro internaldatarelocation 0-1.nolist -2
    55                              <1> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %1
    56                              <1> %if ELDLINKER
    57                              <1>  %ifidni _CURRENT_SECTION_TYPE, DATA
    58                              <1>   %xdefine INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS, %%entry
    59                              <1>  %else
    60                              <1>   %xdefine INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, %%entry
    61                              <1>  %endif
    62                              <1> %else
    63                              <1>  %ifidni _CURRENT_SECTION_TYPE, DATA
    64                              <1>   %xdefine INTERNAL_DATA_TO_DATA_RELOCATIONS INTERNAL_DATA_TO_DATA_RELOCATIONS, %%entry
    65                              <1>  %else
    66                              <1>   %xdefine INTERNAL_CODE_TO_DATA_RELOCATIONS INTERNAL_CODE_TO_DATA_RELOCATIONS, %%entry
    67                              <1>  %endif
    68                              <1> %endif
    69                              <1> 	eldstrictcheck
    70                              <1> 	%endmacro
    71                              <1> 
    72                              <1> ; dw INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, 0
    73                              <1> ; dw INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, 0
    74                              <1> ; dw INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, -1
    75                              <1> ; dw INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS, -1
    76                              <1> ; dw INTERNAL_CODE_TO_CODE_RELOCATIONS, 0
    77                              <1> ; dw INTERNAL_CODE_TO_DATA_RELOCATIONS, 0
    78                              <1> ; dw INTERNAL_DATA_TO_CODE_RELOCATIONS, -1
    79                              <1> ; dw INTERNAL_DATA_TO_DATA_RELOCATIONS, -1
    80                              <1> 
    81                              <1> 
    82                              <1> %define LINK_DATA_RELOCATIONS ""
    83                              <1> %define LINK_LINKER_DATA_RELOCATIONS ""
    84                              <1> %define LINK_DATA_NAMES db ""
    85                              <1> %define LINK_DATA_DETECTION none, none
    86                              <1> 
    87                              <1> %define LINK_OTHER_DATA_RELOCATIONS ""
    88                              <1> %define LINK_OTHER_LINKER_DATA_RELOCATIONS ""
    89                              <1> %define LINK_OTHER_DATA_NAMES db ""
    90                              <1> %define LINK_OTHER_DATA_DETECTION none, none
    91                              <1> 
    92                              <1> %ifndef ELDOTHER
    93                              <1>  %assign ELDOTHER 0
    94                              <1> %endif
    95                              <1> %assign ELDOTHERLINK 0
    96                              <1> 
    97                              <1> 	%imacro otherlinkdatarelocation 1-3.nolist -2, required
    98                              <1> %if ELDOTHER
    99                              <1>  %assign ELDOTHERLINK 1
   100                              <1> %endif
   101                              <1> 	linkdatarelocation %1, %2, %3
   102                              <1> %assign ELDOTHERLINK 0
   103                              <1> 	%endmacro
   104                              <1> 
   105                              <1> 	%imacro linkdatarelocation 1-3.nolist -2, required
   106                              <1> %assign %%entry $ + _CURRENT_SECTION %+ FIXUP + %2
   107                              <1> %ifidni %3, required
   108                              <1>  %assign %%optional 0
   109                              <1> %elifidni %3, optional
   110                              <1>  %assign %%optional 100h
   111                              <1>  %if ELDDATA_OPTIONAL_STATUS == 0
   112                              <1>   %assign ELDDATA_OPTIONAL_STATUS 1
   113                              <1>  %elif ELDDATA_OPTIONAL_STATUS == 1
   114                              <1>  %else
   115                              <1>   %error Optional data link not allowed here
   116                              <1>  %endif
   117                              <1> %elifidni %3, PM required
   118                              <1>  %assign %%optional 300h
   119                              <1>  %assign ELDDATA_PMREQUIRED_STATUS 1
   120                              <1>  %if ELDDATA_OPTIONAL_STATUS == 0
   121                              <1>   %assign ELDDATA_OPTIONAL_STATUS 1
   122                              <1>  %elif ELDDATA_OPTIONAL_STATUS == 1
   123                              <1>  %else
   124                              <1>   %error Optional data link not allowed here
   125                              <1>  %endif
   126                              <1> %else
   127                              <1>  %fatal Unknown optional keyword
   128                              <1> %endif
   129                              <1> %ifidni _CURRENT_SECTION_TYPE, DATA
   130                              <1>  %assign %%DATASECTION 1
   131                              <1> %else
   132                              <1>  %assign %%DATASECTION 0
   133                              <1> %endif
   134                              <1> 	%if ELDOTHERLINK
   135                              <1> %if ELDLINKER
   136                              <1>  %xdefine LINK_OTHER_LINKER_DATA_RELOCATIONS LINK_OTHER_LINKER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   137                              <1> %else
   138                              <1>  %xdefine LINK_OTHER_DATA_RELOCATIONS LINK_OTHER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   139                              <1> %endif
   140                              <1> 	%else
   141                              <1> %if ELDLINKER
   142                              <1>  %xdefine LINK_LINKER_DATA_RELOCATIONS LINK_LINKER_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   143                              <1> %else
   144                              <1>  %xdefine LINK_DATA_RELOCATIONS LINK_DATA_RELOCATIONS, 1 + %%DATASECTION + %%optional, %%entry, %%name
   145                              <1> %endif
   146                              <1> 	%endif
   147                              <1> %defstr %%string %1
   148                              <1> %strlen %%length %%string
   149                              <1> %if %%length > 64
   150                              <1>  %error Too long link name: %1
   151                              <1> %endif
   152                              <1> %define LINK_DATA_CHECK %1
   153                              <1> 	%if ELDOTHERLINK
   154                              <1> 	linkdata_detect LINK_OTHER_DATA_DETECTION
   155                              <1> %if LINK_DATA_NEW
   156                              <1>  %xdefine LINK_OTHER_DATA_DETECTION LINK_OTHER_DATA_DETECTION, %1, %%name
   157                              <1> 	hashdef HASH, %%string
   158                              <1>  %xdefine LINK_OTHER_DATA_NAMES 	LINK_OTHER_DATA_NAMES, %%name:, dw _HASH, {counted %%string}
   160                              <1> %else
   161                              <1>  %%name equ LINK_DATA_DUPLICATE
   162                              <1> %endif
   163                              <1> 	%else
   164                              <1> 	linkdata_detect LINK_DATA_DETECTION
   165                              <1> %if LINK_DATA_NEW
   166                              <1>  %xdefine LINK_DATA_DETECTION LINK_DATA_DETECTION, %1, %%name
   167                              <1> 	hashdef HASH, %%string
   168                              <1>  %xdefine LINK_DATA_NAMES 	LINK_DATA_NAMES, %%name:, dw _HASH, {counted %%string}
   170                              <1> %else
   171                              <1>  %%name equ LINK_DATA_DUPLICATE
   172                              <1> %endif
   173                              <1> 	%endif
   174                              <1> 	eldstrictcheck
   175                              <1> 	%endmacro
   176                              <1> 
   177                              <1> 	%imacro linkdata_detect 2-*.nolist
   178                              <1> %assign LINK_DATA_NEW 1
   179                              <1> %rep (%0 - 2) / 2
   180                              <1>  %rotate 2
   181                              <1>  %ifidni %1, LINK_DATA_CHECK
   182                              <1>   %assign LINK_DATA_NEW 0
   183                              <1>   %xdefine LINK_DATA_DUPLICATE %2
   184                              <1>   %exitrep
   185                              <1>  %endif
   186                              <1> %endrep
   187                              <1> 	%endmacro
   188                              <1> 
   189                              <1> 	%imacro link_data_dump_names 1-*.nolist
   190                              <1> %rep %0
   191                              <1> 	%1
   192                              <1>  %rotate 1
   193                              <1> %endrep
   194                              <1> 	%endmacro
   195                              <1> 
   196                              <1> ; dw LINK_LINKER_DATA_RELOCATIONS, 0, 0
   197                              <1> ; dw LINK_DATA_RELOCATIONS, 0, 0
   198                              <1> ; link_data_dump_names ELDCALL_CODE_NAMES
   199                              <1> 
   200                              <1> %endif
    10                                  
    11                                  
    12                                  	numdef RESIDENT, 1
    13                                  
    14                                  %if 0
    15                                  Format of DOS Drive Parameter Block:
    16                                  Offset	Size	Description	(Table 01395)
    17                                   00h	BYTE	drive number (00h = A:, 01h = B:, etc)
    18                                   01h	BYTE	unit number within device driver
    19                                   02h	WORD	bytes per sector
    20                                   04h	BYTE	highest sector number within a cluster
    21                                   05h	BYTE	shift count to convert clusters into sectors
    22                                   06h	WORD	number of reserved sectors at beginning of drive
    23                                   08h	BYTE	number of FATs
    24                                   09h	WORD	number of root directory entries
    25                                   0Bh	WORD	number of first sector containing user data
    26                                   0Dh	WORD	highest cluster number (number of data clusters + 1)
    27                                  		16-bit FAT if greater than 0FF6h, else 12-bit FAT
    28                                  ---DOS 4.0-6.0---
    29                                   0Fh	WORD	number of sectors per FAT
    30                                   11h	WORD	sector number of first directory sector
    31                                   13h	DWORD	address of device driver header (see #01646)
    32                                   17h	BYTE	media ID byte (see #01356)
    33                                   18h	BYTE	00h if disk accessed, FFh if not
    34                                   19h	DWORD	pointer to next DPB
    35                                   1Dh	WORD	cluster at which to start search for free space when writing,
    36                                  		usually the last cluster allocated
    37                                   1Fh	WORD	number of free clusters on drive, FFFFh = unknown
    38                                  
    39                                  Format of Extended Drive Parameter Block:
    40                                  Offset	Size	Description	(Table 01787)
    41                                   00h 24 BYTEs	standard DOS 4+ DPB
    42                                   18h	BYTE	"dpb_flags" (undocumented)
    43                                  		FFh force media check
    44                                   19h	DWORD	pointer to next DPB (see note)
    45                                   1Dh	WORD	cluster at which to start search for free space when writing,
    46                                  		usually the last cluster allocated
    47                                   1Fh	WORD	number of free clusters on drive, FFFFh = unknown
    48                                   21h	WORD	high word of free cluster count
    49                                   23h	WORD	active FAT/mirroring
    50                                  		bit 7: do not mirror active FAT to inactive FATs
    51                                  		bits 6-4: reserved (0)
    52                                  		bits 3-0: the 0-based FAT number of the active FAT
    53                                  		    (only meaningful if mirroring disabled)
    54                                   25h	WORD	sector number of file system information sector, or
    55                                  		  FFFFh for none (see also #01788)
    56                                   27h	WORD	sector number of backup boot sector, or FFFFh for none
    57                                   29h	DWORD	first sector number of the first cluster
    58                                   2Dh	DWORD	maximum cluster number
    59                                   31h	DWORD	number of sectors occupied by FAT
    60                                   35h	DWORD	cluster number of start of root directory
    61                                   39h	DWORD	cluster number at which to start searching for free space
    62                                  Notes:	except for offset 18h, all of the first 33 bytes are identical to
    63                                  	  the standard DOS 4-6 DPB
    64                                  	unless the proper value is given in SI on entry to "Get_ExtDBP", the
    65                                  	  next-DPB pointer and device driver address are set to 0000h:0000h
    66                                  SeeAlso: #01786,#01395 at AH=32h,#01664
    67                                  
    68                                  %endif
    69                                  
    70                                  	struc DPB
    71 00000000 ??                      dpbDrive:			resb 1
    72 00000001 ??                      dpbDeviceUnit:			resb 1
    73 00000002 ????                    dpbBytesPerSector:		resw 1
    74 00000004 ??                      dpbHighestSectorInCluster:	resb 1
    75 00000005 ??                      dpbSectorsPerClusterShift:	resb 1
    76 00000006 ????                    dpbReservedSectors:		resw 1
    77 00000008 ??                      dpbAmountFATs:			resb 1
    78 00000009 ????                    dpbAmountRootEntries:		resw 1
    79 0000000B ????                    dpbDataStart:			resw 1
    80 0000000D ????                    dpbMaximumCluster:		resw 1
    81 0000000F ????                    dpbSectorsPerFAT:		resw 1
    82 00000011 ????                    dpbRootStart:			resw 1
    83 00000013 ????????                dpbDeviceHeader:		resd 1
    84 00000017 ??                      dpbMediaID:			resb 1
    85 00000018 ??                      dpbAccessed:			resb 1
    86 00000019 ????????                dpbNext:			resd 1
    87 0000001D ????                    dpbFreeClusterNext:		resw 1
    88 0000001F ????                    dpbAmountFreeClusters:		resw 1
    89                                  	endstruc
    90                                  
    91                                  	struc EFDPB
    92 00000000 <res 21h>               efdpbDPB:			resb DPB_size
    93                                  efdpbAmountFreeClusters:	equ $ - 2
    94 00000021 ????                    				resw 1
    95 00000023 ????                    efdpbFSFlags:			resw 1
    96 00000025 ????                    efdpbFSInfoSector:		resw 1
    97 00000027 ????                    efdpbBackupSector:		resw 1
    98 00000029 ????????                efdpbDataStart:			resd 1
    99 0000002D ????????                efdpbMaximumCluster:		resd 1
   100 00000031 ????????                efdpbSectorsPerFAT:		resd 1
   101 00000035 ????????                efdpbRootCluster:		resd 1
   102 00000039 ????????                efdpbFreeClusterNext:		resd 1
   103                                  	endstruc
   104                                  
   105                                  	struc EDDPB
   106 00000000 <res 21h>               eddpbDPB:			resb DPB_size
   107 00000021 ????????                eddpbAmountFreeClusters:	resd 1		; differs from EFDPB
   108 00000025 ????                    eddpbFSFlags:			resw 1
   109 00000027 ????                    eddpbFSInfoSector:		resw 1
   110 00000029 ????                    eddpbBackupSector:		resw 1
   111 0000002B ????????                eddpbDataStart:			resd 1
   112 0000002F ????????                eddpbMaximumCluster:		resd 1
   113 00000033 ????????                eddpbSectorsPerFAT:		resd 1
   114 00000037 ????????                eddpbRootCluster:		resd 1
   115 0000003B ????????                eddpbFreeClusterNext:		resd 1
   116 0000003F ????                    eddpbFSVersion:			resw 1		; differs from EFDPB
   117                                  	endstruc
   118                                  
   119                                  
   120                                  	cpu 8086
   121                                  
   122                                  	addsection RELOCATEDDATA, nobits vstart=_ELD_RELOC_VSTART
   123                                  relocateddata:
   124                                  
   125                                  	addsection HEADER, start=0
   126                                  
   127                                  	istruc ELD_HEADERX
   128                                  at eldhxHeader
   129                                  		; ELD executable header
   130                                  	istruc ELD_HEADER
   131 00000000 454C4431                at eldhSignature,	db "ELD1"
   132 00000004 000000                  			db 0,0,0
   133 00000007 1A                      			db 26
   134 00000008 50000000                at eldhCodeOffset,	dd CODEOFFSET
   135 0000000C 600E                    at eldhCodeImageLength,	dw code_size
   136 0000000E 0000                    at eldhCodeAllocLength,	dw 0
   137 00000010 B00E0000                at eldhDataOffset,	dd DATAOFFSET
   138 00000014 0008                    at eldhDataImageLength,	dw data_size
   139 00000016 0000                    at eldhDataAllocLength,	dw total_data_size - data_size
   140 00000018 B305                    at eldhCodeEntrypoint,	dw linker - code
   141                                  at eldhReserved
   142 0000001A 00<rep 4h>2800          at eldhExtensionSize,	dw header_extension_end - $$
   143                                  	iend
   144 00000020 [30000000]              at eldhxDescriptionOffset,	dd description
   145                                  %if _RESIDENT
   146 00000024 B6130000                at eldhxHelpOffset,		dd DATAOFFSET + msg.help - datastart
   147                                  %endif
   148                                  PUT_ELDHX_DATETIME_OFFSET
   149                                  header_extension_end:
   150 00000028 00<rep 8h>              	iend
   151                                  
   152 00000030 446973706C61792044-     description:		asciz "Display DOS DPB."
   152 00000039 4F53204450422E00   
   153                                  
   154                                  
   155 00000041 00<rep Fh>              	align 16, db 0
   156                                  
   157                                  CODEOFFSET equ $ - $$
   158                                  	addsection CODE, follows=HEADER vstart=_ELD_CODE_VSTART
   159                                  %define CODEFIXUP - code + 0
   160                                  code:
   161                                  		; ELD instance header
   162                                  	istruc ELD_INSTANCE
   163                                  at eldiStartCode
   164 00000000 00<rep 2h>              at eldiEndCode
   165 00000002 00<rep 2h>              at eldiStartData
   166 00000004 00<rep 2h>              at eldiEndData
   167 00000006 00<rep 2h>44504220-     at eldiIdentifier,	fill 8, 32, db "DPB"
   167 00000006 <rep 5h>           
   168 00000010 00<rep 2h>6470622E-     at eldiListing,		asciz _ELD_LISTING
   168 00000016 6C737400           
   169 0000001A 00<rep 6h>              	iend
   170                                  
   171                                  
   172                                  %if _RESIDENT
   173                                  command:
   174 00000020 EB08                    	jmp strict short .entry
   175                                  .chain:
   176 00000022 E8[0000]EB020000        	extcall cmd3_not_ext, required	; must NOT be extcallcall
   177 00000029 90                      	times 10 - ($ - command) nop
   178                                  .entry:
   179 0000002A 56                      	push si
   180 0000002B 3C2D                    	cmp al, '-'
   181 0000002D 7503                    	jne @F
   182 0000002F E83604                  	extcallcall skipcomma
   183                                  @@:
   184 00000032 4E                      	dec si
   185                                  
   186 00000033 BA[0B02]                reloc	mov dx, msg.dpb
   187                                  internaldatarelocation
   188 00000036 E83704                  	extcallcall isstring?
   189 00000039 7405                    	je .ours
   190 0000003B 5E                      	pop si
   191 0000003C 4E                      	dec si
   192 0000003D AC                      	lodsb
   193 0000003E EBE2                    	jmp .chain
   194                                  
   195                                  .ours:
   196 00000040 58                      	pop ax
   197 00000041 E82404                  	extcallcall skipcomma
   198 00000044 4E                      	dec si
   199 00000045 C706[0000][0000]        reloc2	mov word [relocateddata], relocateddata
   200                                  linkdatarelocation lastcmd, -4
   201                                  linkdatarelocation dmycmd
   202 0000004B BA[0000]                reloc	mov dx, relocateddata
   203                                  linkdatarelocation msg.uninstall
   204 0000004E E81F04                  	extcallcall isstring?
   205 00000051 7406                    	je uninstall
   206                                  
   207 00000053 E88300                  	call run
   208 00000056 E81F04                  	extcallcall cmd3
   209                                  
   210                                  uninstall:
   211 00000059 AC                      	lodsb
   212 0000005A E82304                  	extcallcall chkeol
   213                                  
   214 0000005D E86B00                  	call get_es_ext
   215                                  
   216 00000060 06                      	push es
   217 00000061 1F                      	pop ds
   218 00000062 31DB                    	xor bx, bx		; = 0 (no prior, modify ext_command_handler)
   219 00000064 BF[2000]                reloc	mov di, command		; di -> us
   220                                  internalcoderelocation
   221 00000067 368B36[0000]            reloc	mov si, word [ss:relocateddata]
   222                                  linkdatarelocation ext_command_handler
   223                                  				; si -> first
   224 0000006C 85F6                    	test si, si		; none installed ?
   225 0000006E 7450                    	jz .error		; error -->
   226                                  
   227                                  .loop:
   228 00000070 39F7                    	cmp di, si		; found ?
   229 00000072 740D                    	je .bx			; yes, use bx -->
   230 00000074 89F3                    	mov bx, si		; bx -> prior handler
   231 00000076 AD                      	lodsw			; skip entrypoint jmp strict short
   232 00000077 AC                      	lodsb			; get first byte of chainer
   233 00000078 3CE9                    	cmp al, 0E9h		; expecting jmp near ?
   234 0000007A 7544                    	jne .error		; no, error -->
   235 0000007C AD                      	lodsw			; get rel16 displacement
   236 0000007D 01C6                    	add si, ax		; -> next handler
   237 0000007F EBEF                    	jmp .loop
   238                                  
   239                                  .bx:
   240 00000081 85DB                    	test bx, bx		; any prior ?
   241 00000083 751A                    	jnz .bxnz		; yes -->
   242 00000085 AF                      	scasw			; skip entrypoint jmp strict short
   243 00000086 803DE8                  	cmp byte [di], 0E8h	; is it a call to cmd3_not_ext ?
   244 00000089 7507                    	jne @F			; no -->
   245                                  				; yes, reset ext_command_handler to zero
   246                                  .setbx:
   247 0000008B 36891E[0000]            reloc	mov word [ss:relocateddata], bx
   248                                  linkdatarelocation ext_command_handler
   249 00000090 EB1E                    	jmp .done
   250                                  
   251                                  @@:
   252 00000092 803DE9                  	cmp byte [di], 0E9h	; validate
   253 00000095 7529                    	jne .error		; failure -->
   254 00000097 47                      	inc di			; -> rel16 displacement
   255 00000098 8B1D                    	mov bx, word [di]	; get displacement
   256 0000009A AF                      	scasw			; -> after jmp near
   257 0000009B 01FB                    	add bx, di		; -> next handler
   258 0000009D EBEC                    	jmp .setbx		; set ext_command_handler to next
   259                                  
   260                                  .bxnz:
   261 0000009F 89DE                    	mov si, bx		; -> prior handler with us as downlink
   262 000000A1 87FE                    	xchg di, si		; si -> ours, di -> prior
   263 000000A3 A7                      	cmpsw			; skip entrypoint jmp strict short
   264 000000A4 A4                      	movsb			; copy 0E8h/0E9h
   265 000000A5 AD                      	lodsw			; ax = near rel16 displacement
   266 000000A6 01F0                    	add ax, si		; add in our base (= absolute offset)
   267 000000A8 29F8                    	sub ax, di
   268 000000AA 48                      	dec ax
   269 000000AB 48                      	dec ax			; subtract new base (= relative displacement)
   270 000000AC AB                      	stosw			; store new rel16 displacement
   271 000000AD A5                      	movsw			; jmp strict short
   272 000000AE A5                      	movsw			; linkcall target
   273 000000AF A4                      	movsb			; trailer
   274                                  .done:
   275 000000B0 8026[1000]FE            reloc	clropt [code + eldiFlags], eldifResident
   276                                  internalcoderelocation -3	; mark block as free
   277 000000B5 BA[0F02]                reloc	mov dx, msg.uninstall_done
   278                                  internaldatarelocation
   279                                  @@:
   280 000000B8 16                      	push ss
   281 000000B9 1F                      	pop ds
   282 000000BA E8CB03                  	extcallcall putsz
   283 000000BD E8B803                  	extcallcall cmd3	; return
   284                                  
   285                                  .error:
   286 000000C0 B8010E                  	mov ax, 0E01h
   287 000000C3 E8CA03                  	extcallcall setrc
   288 000000C6 BA[2A02]                reloc	mov dx, msg.uninstall_error
   289                                  internaldatarelocation
   290 000000C9 EBED                    	jmp @B
   291                                  
   292                                  
   293                                  get_es_ext:
   294 000000CB 8E06[0000]              reloc	mov es, word [relocateddata]
   295                                  linkdatarelocation extdssel
   296 000000CF E8C603                  	extcallcall ispm
   297 000000D2 7404                    	jz @F
   298 000000D4 8E06[0000]              reloc	mov es, word [relocateddata]
   299                                  linkdatarelocation extseg
   300                                  @@:
   301 000000D8 C3                      	retn
   302                                  
   303                                  
   304                                  run:
   305 000000D9 C706[0000][0600]        	mov word [tablelist.base], table_base
   306                                  internaldatarelocation -4
   307                                  internaldatarelocation
   308 000000DF 31C0                    	xor ax, ax
   309 000000E1 A3[0200]                	mov word [tablelist.edpb], ax
   310                                  internaldatarelocation -2
   311 000000E4 A3[FE00]                	mov word [listat], ax
   312                                  internaldatarelocation -2
   313 000000E7 A3[0001]                	mov word [listat + 2], ax
   314                                  internaldatarelocation -2
   315                                  %else
   316                                  start:
   317                                  	mov bx, es
   318                                  %endif
   319 000000EA 16                      	 push ss
   320 000000EB 07                      	 pop es
   321 000000EC E87903                  	extcallcall skipcomma
   322 000000EF 4E                      	dec si
   323 000000F0 BA[E801]                	mov dx, msg.only
   324                                  internaldatarelocation
   325 000000F3 E87A03                  	extcallcall isstring?
   326 000000F6 750A                    	jne @F
   327 000000F8 E86D03                  	extcallcall skipcomma
   328 000000FB 4E                      	dec si
   329 000000FC C706[0000][0400]        	mov word [tablelist.base], table_empty
   330                                  internaldatarelocation -4
   331                                  internaldatarelocation
   332                                  @@:
   333 00000102 BA[ED01]                	mov dx, msg.extended
   334                                  internaldatarelocation
   335 00000105 E86803                  	extcallcall isstring?
   336 00000108 7530                    	jne .old
   337                                  @@:
   338 0000010A E85B03                  	extcallcall skipcomma
   339 0000010D 3C3D                    	cmp al, '='
   340 0000010F 74F9                    	je @B
   341 00000111 4E                      	dec si
   342 00000112 BB[EA00]                	mov bx, extendedkeywords
   343                                  internaldatarelocation
   344                                  @@:
   345 00000115 8B17                    	mov dx, [bx]
   346 00000117 85D2                    	test dx, dx
   347 00000119 7503E97401              	jz .error
   348 0000011E E84F03                  	extcallcall isstring?
   349 00000121 7405                    	je @F
   350 00000123 83C306                  	add bx, 6
   351 00000126 EBED                    	jmp @B
   352                                  
   353                                  @@:
   354 00000128 8B4702                  	mov ax, [bx + 2]
   355 0000012B A3[0200]                	mov word [tablelist.edpb], ax
   356                                  internaldatarelocation
   357 0000012E 8B4704                  	mov ax, [bx + 4]
   358 00000131 A3[EC04]                	mov word [size], ax
   359                                  internaldatarelocation
   360 00000134 E83103                  	extcallcall skipcomma
   361 00000137 4E                      	dec si
   362 00000138 EB06                    	jmp @F
   363                                  
   364                                  .old:
   365 0000013A C706[EC04]2100          	mov word [size], DPB_size
   366                                  internaldatarelocation -4
   367                                  @@:
   368                                  
   369 00000140 BA[CD01]                	mov dx, msg.list
   370                                  internaldatarelocation
   371 00000143 E82A03                  	extcallcall isstring?
   372 00000146 7403E9F800              	jne .check_address
   373                                  
   374                                  .list:
   375 0000014B E81A03                  	extcallcall skipcomma
   376 0000014E 4E                      	dec si
   377 0000014F BA[D201]                	mov dx, msg.at
   378                                  internaldatarelocation
   379 00000152 E81B03                  	extcallcall isstring?
   380 00000155 7537                    	jne .not_list_at
   381 00000157 E80E03                  	extcallcall skipcomma
   382 0000015A 31D2                    	xor dx, dx
   383 0000015C E84103                  	extcallcall setes2dx
   384 0000015F 268B1EC600              	mov bx, word [es:31h * 4 + 2]		; default segment
   385 00000164 16                      	push ss
   386 00000165 07                      	pop es
   387                                  
   388 00000166 F606[0100]80            	testopt [relocateddata], 8000h
   389                                  linkdatarelocation internalflags, -3
   390 0000016B 7413                    	jz @F
   391                                  subcpu 386
   392 0000016D 6631D2                  	xor edx, edx
   393 00000170 E83503                  	extcallcall getaddrX
   394 00000173 66F7C20000FFFF          	test edx, 0FFFF_0000h
   395 0000017A 0F851401                	jnz .error
   396 0000017E EB03                    	jmp @FF
   397                                  
   398                                  @@:
   399                                  		; evil: we're using getaddrX to get a 86 Mode segmented
   400                                  		;  address, even if we are in Protected Mode. this happens
   401                                  		;  to work fine however; test_high_limit cannot fault.
   402 00000180 E82503                  	extcallcall getaddrX
   403                                  @@:
   404 00000183 8916[FE00]              	mov word [listat], dx
   405                                  internaldatarelocation
   406 00000187 891E[0001]              	mov word [listat + 2], bx
   407                                  internaldatarelocation
   408 0000018B 4E                      	dec si
   409 0000018C EBBD                    	jmp .list
   410                                  
   411                                  .not_list_at:
   412 0000018E BA[D501]                	mov dx, msg.skip
   413                                  internaldatarelocation
   414 00000191 E8DC02                  	extcallcall isstring?
   415 00000194 7445                    	je .listskip
   416 00000196 BA[DA01]                	mov dx, msg.drive
   417                                  internaldatarelocation
   418 00000199 E8D402                  	extcallcall isstring?
   419 0000019C 7403                    	je .listdrive
   420 0000019E E9F100                  	jmp .error
   421                                  
   422                                  .listdrive:
   423 000001A1 E8C402                  	extcallcall skipcomma
   424 000001A4 E84702                  	call getdrive
   425 000001A7 84D2                    	test dl, dl
   426 000001A9 750A                    	jnz @F
   427 000001AB E8DF00                  	call checkdos
   428 000001AE B419                    	mov ah, 19h
   429 000001B0 E8FD02                  	extcallcall _doscall
   430 000001B3 50                      	push ax
   431 000001B4 A9                      	db __TEST_IMM16		; skip dec, push
   432                                  @@:
   433 000001B5 4A                      	dec dx
   434 000001B6 52                      	push dx
   435 000001B7 E85902                  	call getlist
   436 000001BA 744F                    	je .notfound
   437 000001BC 59                      	pop cx
   438 000001BD 31F6                    	xor si, si
   439                                  @@:
   440 000001BF 268B5702                	mov dx, word [es:bx + 2]
   441 000001C3 268B1F                  	mov bx, word [es:bx]
   442 000001C6 E8D702                  	extcallcall setes2dx
   443 000001C9 83FBFF                  	cmp bx, -1
   444 000001CC 743D                    	je .notfound
   445 000001CE 26380F                  	cmp byte [es:bx + dpbDrive], cl
   446 000001D1 7447                    	je .found
   447 000001D3 4E                      	dec si
   448 000001D4 7435                    	jz .notfound
   449 000001D6 83C319                  	add bx, dpbNext
   450 000001D9 EBE4                    	jmp @B
   451                                  
   452                                  
   453                                  .listskip:
   454 000001DB E88A02                  	extcallcall skipcomma
   455 000001DE 31D2                    	xor dx, dx
   456 000001E0 E8D502                  	extcallcall iseol?
   457 000001E3 7406                    	je @F
   458 000001E5 E8D802                  	extcallcall getbyte
   459 000001E8 E89502                  	extcallcall chkeol
   460                                  @@:
   461 000001EB 89D6                    	mov si, dx
   462 000001ED E82302                  	call getlist
   463 000001F0 7419                    	je .notfound
   464                                  @@:
   465 000001F2 268B5702                	mov dx, word [es:bx + 2]
   466 000001F6 268B1F                  	mov bx, word [es:bx]
   467 000001F9 E8A402                  	extcallcall setes2dx
   468 000001FC 83FBFF                  	cmp bx, -1
   469 000001FF 740A                    	je .notfound
   470 00000201 85F6                    	test si, si
   471 00000203 7415                    	jz @F
   472 00000205 4E                      	dec si
   473 00000206 83C319                  	add bx, dpbNext
   474 00000209 EBE7                    	jmp @B
   475                                  
   476                                  .notfound:
   477 0000020B B8600E                  	mov ax, 0E60h
   478 0000020E E87F02                  	extcallcall setrc
   479 00000211 BA[BD01]                	mov dx, msg.notfound
   480                                  internaldatarelocation
   481 00000214 E87102                  	extcallcall putsz
   482 00000217 E85E02                  	extcallcall cmd3
   483                                  
   484                                  @@:
   485                                  .found:
   486 0000021A 1E                      	 push ds
   487 0000021B 06                      	 push es
   488 0000021C 1F                      	pop ds
   489 0000021D 07                      	pop es
   490                                  
   491 0000021E BF[EE04]                	mov di, buffer
   492                                  internaldatarelocation
   493 00000221 89DE                    	mov si, bx
   494 00000223 368B0E[EC04]            	mov cx, [ss:size]
   495                                  internaldatarelocation
   496 00000228 F3A4                    	rep movsb
   497                                  
   498 0000022A 16                      	push ss
   499 0000022B 1F                      	pop ds
   500                                  
   501 0000022C 89D0                    	mov ax, dx
   502 0000022E BF[B101]                	mov di, msg.foundaddress.address
   503                                  internaldatarelocation
   504 00000231 E89402                  	extcallcall hexword
   505 00000234 47                      	inc di
   506 00000235 89D8                    	mov ax, bx
   507 00000237 E88E02                  	extcallcall hexword
   508                                  
   509 0000023A BA[9401]                	mov dx, msg.foundaddress
   510                                  internaldatarelocation
   511 0000023D E84802                  	extcallcall putsz
   512                                  
   513 00000240 E9C000                  	jmp .have
   514                                  
   515                                  
   516                                  .check_address:
   517 00000243 BA[E001]                	mov dx, msg.address
   518                                  internaldatarelocation
   519 00000246 E82702                  	extcallcall isstring?
   520 00000249 AC                      	lodsb
   521 0000024A 754A                    	jne .calldos
   522                                  
   523 0000024C E88102                  	extcallcall skipcomm0
   524 0000024F F606[0100]80            	testopt [relocateddata], 8000h
   525                                  linkdatarelocation internalflags, -3
   526 00000254 7403                    	jz @F
   527                                  subcpu 386
   528 00000256 6631D2                  	xor edx, edx			; edxh = 0 on 386
   529                                  subcpureset
   530                                  @@:
   531 00000259 8B1E[0000]              	mov bx, word [relocateddata]
   532                                  linkdatarelocation reg_ds		; undocumented: default segment
   533 0000025D E84802                  	extcallcall getaddrX
   534 00000260 E81D02                  	extcallcall chkeol
   535 00000263 E83202                  	extcallcall ispm
   536 00000266 F8                      	clc				; NC if no 386 or not PM
   537 00000267 750F                    	jnz @F
   538 00000269 F606[0100]80            	testopt [relocateddata], 8000h
   539                                  linkdatarelocation internalflags, -3
   540 0000026E 7408                    	jz @F
   541                                  subcpu 386
   542 00000270 6631FF                  	xor edi, edi			; edih = 0 on PM 386
   543 00000273 6631C9                  	xor ecx, ecx			; ecxh = 0 on PM 386
   544 00000276 F9                      	stc				; CY if 386 and PM
   545 00000277 66                      	o32	; mov esi, edx
   546                                  subcpureset
   547                                  @@:
   548 00000278 89D6                    	mov si, dx
   549 0000027A 8EDB                    	mov ds, bx			; ds:(e)si -> source
   550                                  
   551 0000027C BF[EE04]                	mov di, buffer			; es:(e)di -> destination
   552                                  internaldatarelocation
   553 0000027F 368B0E[EC04]            	mov cx, word [ss:size]		; (e)cx = length
   554                                  internaldatarelocation
   555 00000284 7301                    	jnc @F
   556 00000286 67                      	a32	; a32 rep movsb
   557                                  @@:
   558 00000287 F3A4                    	rep movsb			; get data
   559                                  
   560 00000289 16                      	push ss
   561 0000028A 1F                      	pop ds
   562 0000028B EB76                    	jmp .have
   563                                  
   564                                  
   565                                  checkdos: equ $
   566 0000028D E84802                  	extcallcall InDOS
   567 00000290 7403                    	jz @F
   568                                  .error:
   569 00000292 E84B02                  	extcallcall error
   570                                  
   571                                  @@:
   572 00000295 C3                      	retn
   573                                  
   574                                  .calldos:
   575 00000296 E8F4FF                  	call checkdos
   576 00000299 E85201                  	call getdrive
   577                                  
   578 0000029C 31DB                    	xor bx, bx
   579 0000029E B8FF32                  	mov ax, 32FFh
   580 000002A1 E8F401                  	extcallcall ispm
   581 000002A4 751D                    	jnz .86mode
   582                                  .pm:
   583                                  subcpu 286
   584 000002A6 FF36[0000]              	push word [relocateddata]
   585                                  linkdatarelocation pspdbg		; es
   586 000002AA FF36[0000]              	push word [relocateddata]
   587                                  linkdatarelocation pspdbg		; ds
   588 000002AE 6A21                    	push word 21h
   589 000002B0 55                      	push bp
   590 000002B1 E8B600                  	call intcall_return_parameter_es_parameter_ds
   591 000002B4 5A                      	pop dx				; get ds
   592 000002B5 59                      	pop cx				; (discard es)
   593 000002B6 8916[EA04]              	mov word [address + 2], dx
   594                                  internaldatarelocation
   595 000002BA E8E301                  	extcallcall setes2dx		; es => DPB
   596 000002BD 1E                      	push ds
   597 000002BE 06                      	push es
   598 000002BF 1F                      	pop ds
   599 000002C0 07                      	pop es				; swap ds, es
   600                                  subcpureset
   601 000002C1 EB07                    	jmp @F
   602                                  .86mode:
   603 000002C3 CD21                    	int 21h
   604 000002C5 368C1E[EA04]            	mov word [ss:address + 2], ds
   605                                  internaldatarelocation
   606                                  @@:
   607 000002CA 36891E[E804]            	mov word [ss:address], bx
   608                                  internaldatarelocation
   609                                  
   610                                  
   611 000002CF BA[0201]                	mov dx, msg.return
   612                                  internaldatarelocation
   613 000002D2 BF[2401]                	mov di, msg.return.code
   614                                  internaldatarelocation
   615 000002D5 E81002                  	extcallcall hexbyte
   616                                  
   617 000002D8 BF[EE04]                	mov di, buffer
   618                                  internaldatarelocation
   619 000002DB 89DE                    	mov si, bx
   620 000002DD 368B0E[EC04]            	mov cx, [ss:size]
   621                                  internaldatarelocation
   622 000002E2 F3A4                    	rep movsb
   623                                  
   624 000002E4 16                      	push ss
   625 000002E5 1F                      	pop ds
   626 000002E6 E89F01                  	extcallcall putsz
   627                                  
   628 000002E9 3C00                    	cmp al, 0
   629 000002EB 7526                    	jne .end
   630                                  
   631 000002ED A1[EA04]                	mov ax, word [address + 2]
   632                                  internaldatarelocation
   633 000002F0 BF[5101]                	mov di, msg.returnaddress.address
   634                                  internaldatarelocation
   635 000002F3 E8D201                  	extcallcall hexword
   636 000002F6 47                      	inc di
   637 000002F7 A1[E804]                	mov ax, word [address]
   638                                  internaldatarelocation
   639 000002FA E8CB01                  	extcallcall hexword
   640                                  
   641 000002FD BA[2B01]                	mov dx, msg.returnaddress
   642                                  internaldatarelocation
   643 00000300 E88501                  	extcallcall putsz
   644                                  
   645                                  .have:
   646 00000303 BE[0000]                	mov si, tablelist
   647                                  internaldatarelocation
   648                                  .loop:
   649 00000306 AD                      	lodsw
   650 00000307 85C0                    	test ax, ax
   651 00000309 7408                    	jz .end
   652 0000030B 56                      	push si
   653 0000030C 96                      	xchg si, ax
   654 0000030D E80400                  	call processtable
   655 00000310 5E                      	pop si
   656 00000311 EBF3                    	jmp .loop
   657                                  
   658                                  .end:
   659                                  %if _RESIDENT
   660 00000313 C3                      	retn
   661                                  %else
   662                                  	call uninstall_oneshot
   663                                  	xor ax, ax
   664                                  	retf
   665                                  %endif
   666                                  
   667                                  
   668                                  processtable:
   669                                  .loop:
   670 00000314 AD                      	lodsw
   671 00000315 85C0                    	test ax, ax
   672 00000317 7450                    	jz .end
   673 00000319 93                      	xchg bx, ax
   674                                  
   675 0000031A AD                      	lodsw
   676 0000031B 91                      	xchg cx, ax
   677                                  
   678 0000031C BF[0000]                	mov di, relocateddata
   679                                  linkdatarelocation line_out
   680                                  
   681 0000031F 89D8                    	mov ax, bx
   682 00000321 2D[EE04]                	sub ax, strict word buffer
   683                                  internaldatarelocation
   684 00000324 E8C101                  	extcallcall hexbyte
   685 00000327 B83A20                  	mov ax, ": "
   686 0000032A AB                      	stosw
   687                                  
   688 0000032B 8B07                    	mov ax, word [bx]
   689 0000032D 8B5702                  	mov dx, word [bx + 2]
   690                                  
   691 00000330 80F902                  	cmp cl, 2
   692 00000333 721D                    	jb .byte
   693 00000335 7416                    	je .word
   694                                  .dword:
   695 00000337 92                      	xchg ax, dx
   696 00000338 E88D01                  	extcallcall hexword
   697 0000033B C6055F                  	mov byte [di], '_'
   698 0000033E 47                      	inc di
   699 0000033F 92                      	xchg ax, dx
   700 00000340 E88501                  	extcallcall hexword
   701                                  
   702 00000343 C7052020                	mov word [di], 2020h
   703 00000347 AF                      	scasw
   704 00000348 E8A501                  	extcallcall decdword
   705 0000034B EB12                    	jmp @FF
   706                                  
   707                                  .word:
   708 0000034D E87801                  	extcallcall hexword
   709 00000350 EB05                    	jmp @F
   710                                  
   711                                  .byte:
   712 00000352 E89301                  	extcallcall hexbyte
   713                                  
   714 00000355 B400                    	mov ah, 0
   715                                  @@:
   716 00000357 C7052020                	mov word [di], 2020h
   717 0000035B AF                      	scasw
   718 0000035C E89901                  	extcallcall decword
   719                                  @@:
   720                                  
   721 0000035F AD                      	lodsw
   722 00000360 92                      	xchg dx, ax
   723 00000361 E82401                  	extcallcall putsz
   724 00000364 E89901                  	extcallcall putsline_crlf
   725 00000367 EBAB                    	jmp .loop
   726                                  
   727                                  .end:
   728 00000369 C3                      	retn
   729                                  
   730                                  
   731                                  subcpu 286
   732                                  intcall_return_parameter_es_parameter_ds:
   733                                  	lframe near
   734                                  	lpar word, es_value
   735                                  	lpar word, ds_value
   736                                  	lpar_return
   737                                  	lpar word, int_number
   738                                  	lpar word, bp_value
   739                                  	lvar 32h, 86m_call_struc
   740 0000036A 5589E58D66CE            	lenter
   741 00000370 06                      	push es
   742 00000371 897ECE                  	mov word [bp + ?86m_call_struc +00h], di	; edi
   743 00000374 8976D2                  	mov word [bp + ?86m_call_struc +04h], si	; esi
   744 00000377 895EDE                  	mov word [bp + ?86m_call_struc +10h], bx	; ebx
   745 0000037A 8956E2                  	mov word [bp + ?86m_call_struc +14h], dx	; edx
   746 0000037D 894EE6                  	mov word [bp + ?86m_call_struc +18h], cx	; ecx
   747 00000380 8946EA                  	mov word [bp + ?86m_call_struc +1Ch], ax	; eax
   748 00000383 8B4604                  	mov ax, word [bp + ?bp_value]
   749 00000386 8946D6                  	mov word [bp + ?86m_call_struc +08h], ax	; bp
   750 00000389 B000                    	mov al, 0					; (preserve flags!)
   751 0000038B 9F                      	lahf
   752 0000038C 86C4                    	xchg al, ah
   753 0000038E 8946EE                  	mov word [bp + ?86m_call_struc +20h], ax	; flags
   754 00000391 31C0                    	xor ax, ax
   755 00000393 8946DC                  	mov word [bp + ?86m_call_struc +0Ch + 2], ax
   756 00000396 8946DA                  	mov word [bp + ?86m_call_struc +0Ch], ax
   757 00000399 8946FC                  	mov word [bp + ?86m_call_struc +2Eh], ax	; sp
   758 0000039C 8946FE                  	mov word [bp + ?86m_call_struc +30h], ax	; ss
   759 0000039F 8B460A                  	mov ax, word [bp + ?es_value]			; usually [pspdbg]
   760 000003A2 8946F0                  	mov word [bp + ?86m_call_struc +22h], ax	; es
   761 000003A5 8B4608                  	mov ax, word [bp + ?ds_value]			; usually [pspdbg]
   762 000003A8 8946F2                  	mov word [bp + ?86m_call_struc +24h], ax	; ds
   763 000003AB 16                      	push ss
   764 000003AC 07                      	pop es				; => stack
   765 000003AD 8D7ECE                  	lea di, [bp + ?86m_call_struc]	; -> 86-Mode call structure
   766 000003B0 F606[0100]80            	testopt [relocateddata], 8000h
   767                                  linkdatarelocation internalflags, -3
   768 000003B5 7404                    	jz @F
   769                                  subcpu 386
   770 000003B7 660FB7FF                	movzx edi, di			; (previously checked b[dpmi32] here)
   771                                  subcpureset
   772                                  @@:
   773                                  
   774 000003BB 8B5E06                  	mov bx, word [bp + ?int_number]			; int#
   775 000003BE 31C9                    	xor cx, cx
   776 000003C0 B80003                  	mov ax, 0300h
   777 000003C3 CD31                    	int 31h
   778 000003C5 8A66EE                  	mov ah, byte [bp + ?86m_call_struc +20h]	; flags
   779 000003C8 9E                      	sahf
   780 000003C9 8B7ECE                  	mov di, word [bp + ?86m_call_struc +00h]	; edi
   781 000003CC 8B76D2                  	mov si, word [bp + ?86m_call_struc +04h]	; esi
   782 000003CF 8B5EDE                  	mov bx, word [bp + ?86m_call_struc +10h]	; ebx
   783 000003D2 8B56E2                  	mov dx, word [bp + ?86m_call_struc +14h]	; edx
   784 000003D5 8B4EE6                  	mov cx, word [bp + ?86m_call_struc +18h]	; ecx
   785 000003D8 8B46EA                  	mov ax, word [bp + ?86m_call_struc +1Ch]	; eax
   786 000003DB FF76F0                  	push word [bp + ?86m_call_struc +22h]		; return es value
   787 000003DE 8F460A                  	pop word [bp + ?es_value]			;  in the parameter
   788 000003E1 FF76F2                  	push word [bp + ?86m_call_struc +24h]		; return ds value
   789 000003E4 8F4608                  	pop word [bp + ?ds_value]			;  in the parameter
   790 000003E7 07                      	pop es
   791 000003E8 89EC5D                  	lleave
   792 000003EB C20400                  	lret
   793                                  subcpureset
   794                                  
   795                                  
   796                                  getdrive:
   797 000003EE 30D2                    	xor dl, dl
   798 000003F0 E8C500                  	extcallcall iseol?
   799 000003F3 741D                    	je .ret
   800 000003F5 803C3A                  	cmp byte [si], ':'
   801 000003F8 7512                    	jne .number
   802 000003FA E80B01                  	extcallcall uppercase
   803 000003FD 88C2                    	mov dl, al
   804 000003FF 80EA41                  	sub dl, 'A'
   805 00000402 80FA20                  	cmp dl, 32
   806 00000405 7305                    	jae .number
   807 00000407 42                      	inc dx
   808 00000408 46                      	inc si
   809 00000409 AC                      	lodsb
   810 0000040A EB03                    	jmp @F
   811                                  
   812                                  .number:
   813 0000040C E8B100                  	extcallcall getbyte
   814                                  @@:
   815 0000040F E86E00                  	extcallcall chkeol
   816                                  .ret:
   817 00000412 C3                      	retn
   818                                  
   819                                  
   820                                  getlist:
   821 00000413 8B1E[FE00]              	mov bx, word [listat]
   822                                  internaldatarelocation
   823 00000417 8B16[0001]              	mov dx, word [listat + 2]
   824                                  internaldatarelocation
   825 0000041B 89D0                    	mov ax, dx
   826 0000041D 09D8                    	or ax, bx
   827 0000041F 751D                    	jnz .dxbx
   828                                  
   829                                  .dos:
   830 00000421 E869FE                  	call checkdos
   831 00000424 BBFFFF                  	mov bx, -1
   832 00000427 B452                    	mov ah, 52h
   833 00000429 E86C00                  	extcallcall ispm
   834 0000042C 7515                    	jnz .86mode
   835                                  .pm:
   836                                  subcpu 286
   837 0000042E FF36[0000]              	push word [relocateddata]
   838                                  linkdatarelocation pspdbg		; es
   839 00000432 FF36[0000]              	push word [relocateddata]
   840                                  linkdatarelocation pspdbg		; ds
   841 00000436 6A21                    	push word 21h
   842 00000438 55                      	push bp
   843 00000439 E82EFF                  	call intcall_return_parameter_es_parameter_ds
   844 0000043C 59                      	pop cx				; discard ds
   845 0000043D 5A                      	pop dx				; get es
   846                                  .dxbx:
   847 0000043E E85F00                  	extcallcall setes2dx		; es => list of lists
   848                                  subcpureset
   849 00000441 EB04                    	jmp @F
   850                                  .86mode:
   851 00000443 CD21                    	int 21h
   852 00000445 8CC2                    	mov dx, es
   853                                  @@:
   854 00000447 06                      	push es
   855 00000448 52                      	push dx
   856 00000449 16                      	 push ss
   857 0000044A 07                      	 pop es
   858 0000044B BF[8801]                	mov di, msg.listaddress.address
   859                                  internaldatarelocation
   860 0000044E 89D0                    	mov ax, dx
   861 00000450 E87500                  	extcallcall hexword
   862 00000453 47                      	inc di
   863 00000454 89D8                    	mov ax, bx
   864 00000456 E86F00                  	extcallcall hexword
   865 00000459 BA[5D01]                	mov dx, msg.listaddress
   866                                  internaldatarelocation
   867 0000045C E82900                  	extcallcall putsz
   868 0000045F 5A                      	pop dx
   869 00000460 07                      	pop es
   870 00000461 83FBFF                  	cmp bx, -1
   871 00000464 C3                      	retn
   872                                  
   873                                  
   874                                  %if _RESIDENT
   875 00000465 90<rep 3h>E8[0000]-     	eldcall_dump_callcall ELDCALL_CALLCALL_LIST
   875 0000046B EB020000C3E8[0000]-
   875 00000473 EB020000C3E8[0000]-
   875 0000047B EB020000C3E8[0000]-
   875 00000483 EB020000C3E8[0000]-
   875 0000048B EB020000C3E8[0000]-
   875 00000493 EB020000C3E8[0000]-
   875 0000049B EB020000C3E8[0000]-
   875 000004A3 EB020000C3E8[0000]-
   875 000004AB EB020000C3E8[0000]-
   875 000004B3 EB020000C3E8[0000]-
   875 000004BB EB020000C3E8[0000]-
   875 000004C3 EB020000C3E8[0000]-
   875 000004CB EB020000C3E8[0000]-
   875 000004D3 EB020000C3E8[0000]-
   875 000004DB EB020000C3E8[0000]-
   875 000004E3 EB020000C3E8[0000]-
   875 000004EB EB020000C3E8[0000]-
   875 000004F3 EB020000C3E8[0000]-
   875 000004FB EB020000C3E8[0000]-
   875 00000503 EB020000C3E8[0000]-
   875 0000050B EB020000C3         
   876                                  
   877                                  endinstalled equ ($ + CODEFIXUP + 15) & ~15
   878                                  
   879                                  
   880                                  start:
   881 00000510 8CC3                    	mov bx, es
   882 00000512 16                      	 push ss
   883 00000513 07                      	 pop es
   884 00000514 E851FF                  	call skipcomma
   885 00000517 4E                      	dec si
   886 00000518 BA[0000]                reloc	mov dx, relocateddata
   887                                  linkdatarelocation msg.install
   888 0000051B E852FF                  	call isstring?
   889 0000051E 7440                    	je install
   890 00000520 BA[0105]                reloc	mov dx, msg.keyword_help
   891                                  internaldatarelocation
   892 00000523 E84AFF                  	call isstring?
   893 00000526 7409                    	je help
   894 00000528 E8AEFB                  	call run
   895                                  @@:
   896 0000052B E80F00                  	call uninstall_oneshot
   897 0000052E 31C0                    	xor ax, ax
   898 00000530 CB                      	retf
   899                                  
   900                                  help:
   901 00000531 AC                      	lodsb
   902 00000532 E84BFF                  	call chkeol
   903 00000535 BA[0605]                reloc	mov dx, msg.help
   904                                  internaldatarelocation
   905 00000538 E84DFF                  	call putsz
   906 0000053B EBEE                    	jmp @B
   907                                  %endif
   908                                  
   909                                  
   910                                  uninstall_oneshot:
   911 0000053D 36F606[0000]01          	testopt [ss:relocateddata], 1
   912                                  linkdatarelocation options7, -3
   913 00000543 751A                    	jnz @F
   914                                  
   915 00000545 2EA1[0200]              	mov ax, word [cs:code + eldiEndCode]
   916                                  internalcoderelocation
   917 00000549 2E2B06[0000]            	sub ax, word [cs:code + eldiStartCode]
   918                                  internalcoderelocation
   919 0000054E 2906[0000]              	sub word [relocateddata], ax
   920                                  linkdatarelocation extseg_used
   921                                  
   922 00000552 2EA1[0600]              	mov ax, word [cs:code + eldiEndData]
   923                                  internalcoderelocation
   924 00000556 2E2B06[0400]            	sub ax, word [cs:code + eldiStartData]
   925                                  internalcoderelocation
   926 0000055B 2906[0000]              	sub word [relocateddata], ax
   927                                  linkdatarelocation extdata_used
   928                                  @@:
   929 0000055F C3                      	retn
   930                                  
   931                                  
   932                                  DATAOFFSET equ CODEOFFSET + code_size
   933                                  	addsection DATA, follows=CODE vstart=_ELD_DATA_VSTART
   934                                  %define DATAFIXUP - datastart + 0
   935                                  datastart:
   936                                  PUT_ELD_DATETIME
   937                                  
   938                                  %define NAMES db ""
   939                                  %define DUPLICATES empty, empty
   940                                  
   941                                  %imacro duplicatecheck 2-*.nolist
   942                                   %define DUPLICATE
   943                                   %rep (%0 / 2) - 1
   944                                    %rotate 2
   945                                    %ifidn %1, CHECKNAME
   946                                     %xdefine DUPLICATE %2
   947                                     %exitrep
   948                                    %endif
   949                                   %endrep
   950                                  %endmacro
   951                                  
   952                                  %imacro item 2-3.nolist
   953                                  	dw buffer + %3dpb%1
   954                                  internaldatarelocation
   955                                  	dw %2
   956                                  	dw %%name
   957                                  internaldatarelocation
   958                                   %defstr %%string %1
   959                                   %xdefine CHECKNAME %1
   960                                   duplicatecheck DUPLICATES
   961                                   %ifnempty DUPLICATE
   962                                  %%name equ DUPLICATE
   963                                   %else
   964                                    %xdefine DUPLICATES DUPLICATES, %1, %%name
   965                                    %xdefine NAMES NAMES, %%name:, {fill 28,32,db %%string}, db 0
   966                                   %endif
   967                                  %endmacro
   968                                  
   969                                  %imacro dumpnames 1-*.nolist
   970                                   %rep %0
   971                                  	%1
   972                                    %rotate 1
   973                                   %endrep
   974                                  %endmacro
   975                                  
   976                                  	align 2, db 0
   977                                  tablelist:
   978                                  .base:
   979 00000000 [0600]                  		dw table_base
   980                                  internaldatarelocation
   981 00000002 0000                    .edpb:		dw 0
   982                                  table_empty:
   983 00000004 0000                    		dw 0
   984                                  
   985                                  table_base:
   986 00000006 [EE04]0100[4D02]        item Drive,			1
   987 0000000C [EF04]0100[6A02]        item DeviceUnit,		1
   988 00000012 [F004]0200[8702]        item BytesPerSector,		2
   989 00000018 [F204]0100[A402]        item HighestSectorInCluster,	1
   990 0000001E [F304]0100[C102]        item SectorsPerClusterShift,	1
   991 00000024 [F404]0200[DE02]        item ReservedSectors,		2
   992 0000002A [F604]0100[FB02]        item AmountFATs,		1
   993 00000030 [F704]0200[1803]        item AmountRootEntries,		2
   994 00000036 [F904]0200[3503]        item DataStart,			2
   995 0000003C [FB04]0200[5203]        item MaximumCluster,		2
   996 00000042 [FD04]0200[6F03]        item SectorsPerFAT,		2
   997 00000048 [FF04]0200[8C03]        item RootStart,			2
   998 0000004E [0105]0400[A903]        item DeviceHeader,		4
   999 00000054 [0505]0100[C603]        item MediaID,			1
  1000 0000005A [0605]0100[E303]        item Accessed,			1
  1001 00000060 [0705]0400[0004]        item Next,			4
  1002 00000066 [0B05]0200[1D04]        item FreeClusterNext,		2
  1003 0000006C [0D05]0200[3A04]        item AmountFreeClusters,	2
  1004 00000072 0000                    	dw 0
  1005                                  
  1006                                  table_efdpb:
  1007 00000074 [0D05]0400[3A04]        item AmountFreeClusters,	4, ef
  1008 0000007A [1105]0200[5704]        item FSFlags,			2, ef
  1009 00000080 [1305]0200[7404]        item FSInfoSector,		2, ef
  1010 00000086 [1505]0200[9104]        item BackupSector,		2, ef
  1011 0000008C [1705]0400[3503]        item DataStart,			4, ef
  1012 00000092 [1B05]0400[5203]        item MaximumCluster,		4, ef
  1013 00000098 [1F05]0400[6F03]        item SectorsPerFAT,		4, ef
  1014 0000009E [2305]0400[AE04]        item RootCluster,		4, ef
  1015 000000A4 [2705]0400[1D04]        item FreeClusterNext,		4, ef
  1016 000000AA 0000                    	dw 0
  1017                                  
  1018                                  table_eddpb:
  1019 000000AC [0F05]0400[3A04]        item AmountFreeClusters,	4, ed
  1020 000000B2 [1305]0200[5704]        item FSFlags,			2, ed
  1021 000000B8 [1505]0200[7404]        item FSInfoSector,		2, ed
  1022 000000BE [1705]0200[9104]        item BackupSector,		2, ed
  1023 000000C4 [1905]0400[3503]        item DataStart,			4, ed
  1024 000000CA [1D05]0400[5203]        item MaximumCluster,		4, ed
  1025 000000D0 [2105]0400[6F03]        item SectorsPerFAT,		4, ed
  1026 000000D6 [2505]0400[AE04]        item RootCluster,		4, ed
  1027 000000DC [2905]0400[1D04]        item FreeClusterNext,		4, ed
  1028 000000E2 [2D05]0200[CB04]        item FSVersion,			2, ed
  1029 000000E8 0000                    	dw 0
  1030                                  
  1031                                  extendedkeywords:
  1032                                  internaldatarelocation 0
  1033                                  internaldatarelocation 2
  1034 000000EA [F601][7400]3D00        	dw msg.freedos, table_efdpb, EFDPB_size
  1035                                  internaldatarelocation 0
  1036                                  internaldatarelocation 2
  1037 000000F0 [FE01][7400]3D00        	dw msg.msdos, table_efdpb, EFDPB_size
  1038                                  internaldatarelocation 0
  1039                                  internaldatarelocation 2
  1040 000000F6 [0402][AC00]4100        	dw msg.edrdos, table_eddpb, EDDPB_size
  1041 000000FC 0000                    	dw 0
  1042                                  
  1043                                  listat:
  1044 000000FE 00000000                	dd 0
  1045                                  
  1046                                  msg:
  1047 00000102 444F532066756E6374-     .return:	db "DOS function 32h call returned al="
  1047 0000010B 696F6E203332682063-
  1047 00000114 616C6C207265747572-
  1047 0000011D 6E656420616C3D     
  1048 00000124 2D2D682E0D0A00          .return.code:	asciz "--h.",13,10
  1049 0000012B 444F532066756E6374-     .returnaddress:		db "DOS function returned 86 Mode address="
  1049 00000134 696F6E207265747572-
  1049 0000013D 6E6564203836204D6F-
  1049 00000146 646520616464726573-
  1049 0000014F 733D               
  1050 00000151 2D2D2D2D3A2D2D2D2D-     .returnaddress.address:	asciz "----:----",13,10
  1050 0000015A 0D0A00             
  1051 0000015D 5573696E6720444F53-     .listaddress:		db "Using DOS List of Lists at 86 Mode address="
  1051 00000166 204C697374206F6620-
  1051 0000016F 4C6973747320617420-
  1051 00000178 3836204D6F64652061-
  1051 00000181 6464726573733D     
  1052 00000188 2D2D2D2D3A2D2D2D2D-     .listaddress.address:	asciz "----:----",13,10
  1052 00000191 0D0A00             
  1053 00000194 466F756E6420445042-     .foundaddress:		db "Found DPB at 86 Mode address="
  1053 0000019D 206174203836204D6F-
  1053 000001A6 646520616464726573-
  1053 000001AF 733D               
  1054 000001B1 2D2D2D2D3A2D2D2D2D-     .foundaddress.address:	asciz "----:----",13,10
  1054 000001BA 0D0A00             
  1055 000001BD 4E6F2044504220666F-     .notfound:		asciz "No DPB found!",13,10
  1055 000001C6 756E64210D0A00     
  1056                                  
  1057 000001CD 4C49535400              .list:		asciz "LIST"
  1058 000001D2 415400                  .at:		asciz "AT"
  1059 000001D5 534B495000              .skip:		asciz "SKIP"
  1060 000001DA 445249564500            .drive:		asciz "DRIVE"
  1061 000001E0 4144445245535300        .address:	asciz "ADDRESS"
  1062 000001E8 4F4E4C5900              .only:		asciz "ONLY"
  1063 000001ED 455854454E44454400      .extended:	asciz "EXTENDED"
  1064 000001F6 46524545444F5300        .freedos:	asciz "FREEDOS"
  1065 000001FE 4D53444F5300            .msdos:		asciz "MSDOS"
  1066 00000204 454452444F5300          .edrdos:	asciz "EDRDOS"
  1067                                  %if _RESIDENT
  1068 0000020B 44504200                .dpb:			asciz "DPB"
  1069 0000020F 44504220636F6D6D61-     .uninstall_done:	db "DPB command uninstalled."
  1069 00000218 6E6420756E696E7374-
  1069 00000221 616C6C65642E       
  1070                                  %if _ELD_RECLAIM_HINT
  1071                                  			db " (Don't forget to use reclaim.eld)"
  1072                                  %endif
  1073 00000227 0D0A00                  			asciz 13,10
  1074 0000022A 44504220636F6D6D61-     .uninstall_error:	asciz "DPB command unable to uninstall!",13,10
  1074 00000233 6E6420756E61626C65-
  1074 0000023C 20746F20756E696E73-
  1074 00000245 74616C6C210D0A00   
  1075                                  %endif
  1076                                  
  1077 0000024D 447269766520-           dumpnames NAMES
  1077 0000024D <rep 17h>00446576- 
  1077 0000026D 696365556E697420-  
  1077 0000026D <rep 12h>00427974- 
  1077 0000028A 657350657253656374-
  1077 00000293 6F7220<rep Eh>0048-
  1077 000002A5 696768657374536563-
  1077 000002AE 746F72496E436C7573-
  1077 000002B7 74657220<rep 6h>00-
  1077 000002C1 536563746F72735065-
  1077 000002CA 72436C757374657253-
  1077 000002D3 6869667420<rep 6h>-
  1077 000002DD 005265736572766564-
  1077 000002E6 536563746F727320-  
  1077 000002E6 <rep Dh>00416D6F75-
  1077 000002FF 6E744641547320-    
  1077 000002FF <rep 12h>00416D6F- 
  1077 0000031B 756E74526F6F74456E-
  1077 00000324 747269657320-      
  1077 00000324 <rep Bh>0044617461-
  1077 00000339 537461727420-      
  1077 00000339 <rep 13h>004D6178- 
  1077 00000355 696D756D436C757374-
  1077 0000035E 657220<rep Eh>0053-
  1077 00000370 6563746F7273506572-
  1077 00000379 46415420<rep Fh>00-
  1077 0000038C 526F6F745374617274-
  1077 00000395 20<rep 13h>004465- 
  1077 000003AB 766963654865616465-
  1077 000003B4 7220<rep 10h>004D- 
  1077 000003C7 65646961494420-    
  1077 000003C7 <rep 15h>00416363- 
  1077 000003E6 657373656420-      
  1077 000003E6 <rep 14h>004E6578- 
  1077 00000403 7420<rep 18h>0046- 
  1077 0000041E 726565436C75737465-
  1077 00000427 724E65787420-      
  1077 00000427 <rep Dh>00416D6F75-
  1077 0000043E 6E7446726565436C75-
  1077 00000447 737465727320-      
  1077 00000447 <rep Ah>004653466C-
  1077 0000045B 61677320<rep 15h>- 
  1077 00000473 004653496E666F5365-
  1077 0000047C 63746F7220-        
  1077 0000047C <rep 10h>00426163- 
  1077 00000494 6B7570536563746F72-
  1077 0000049D 20<rep 10h>00526F- 
  1077 000004B0 6F74436C7573746572-
  1077 000004B9 20<rep 11h>004653- 
  1077 000004CD 56657273696F6E20-  
  1077 000004CD <rep 13h>00        
  1078                                  
  1079                                  uinit_data: equ $
  1080                                  
  1081                                  %if _RESIDENT
  1082 000004E8 44504220636F6D6D61-     .installed:		asciz "DPB command installed.",13,10
  1082 000004F1 6E6420696E7374616C-
  1082 000004FA 6C65642E0D0A00     
  1083 00000501 48454C5000              .keyword_help:		asciz "HELP"
  1084 00000506 5468697320454C4420-     .help:		db "This ELD can be installed residently or used transiently.",13,10
  1084 0000050F 63616E20626520696E-
  1084 00000518 7374616C6C65642072-
  1084 00000521 65736964656E746C79-
  1084 0000052A 206F72207573656420-
  1084 00000533 7472616E7369656E74-
  1084 0000053C 6C792E0D0A         
  1085 00000541 0D0A                    		db 13,10
  1086 00000543 44504220636F6D6D61-     		db "DPB command may be used with a drive specified like so:",13,10
  1086 0000054C 6E64206D6179206265-
  1086 00000555 207573656420776974-
  1086 0000055E 682061206472697665-
  1086 00000567 207370656369666965-
  1086 00000570 64206C696B6520736F-
  1086 00000579 3A0D0A             
  1087 0000057C 0944504220413A0909-     		db 9,"DPB A:",9,9,9,9,"Access drive A: using DOS call 21.32",13,10
  1087 00000585 090941636365737320-
  1087 0000058E 647269766520413A20-
  1087 00000597 7573696E6720444F53-
  1087 000005A0 2063616C6C2032312E-
  1087 000005A9 33320D0A           
  1088 000005AD 094450422041444452-     		db 9,"DPB ADDRESS address",9,9,"Access DPB at address without DOS",13,10
  1088 000005B6 455353206164647265-
  1088 000005BF 737309094163636573-
  1088 000005C8 732044504220617420-
  1088 000005D1 616464726573732077-
  1088 000005DA 6974686F757420444F-
  1088 000005E3 530D0A             
  1089 000005E6 09445042204C495354-     		db 9,"DPB LIST DRIVE A:",9,9,"Access drive A: using DOS call 21.52",13,10
  1089 000005EF 20445249564520413A-
  1089 000005F8 090941636365737320-
  1089 00000601 647269766520413A20-
  1089 0000060A 7573696E6720444F53-
  1089 00000613 2063616C6C2032312E-
  1089 0000061C 35320D0A           
  1090 00000620 09445042204C495354-     		db 9,"DPB LIST SKIP 0",9,9,9,"Access first DPB using DOS call 21.52",13,10
  1090 00000629 20534B495020300909-
  1090 00000632 094163636573732066-
  1090 0000063B 697273742044504220-
  1090 00000644 7573696E6720444F53-
  1090 0000064D 2063616C6C2032312E-
  1090 00000656 35320D0A           
  1091 0000065A 09445042204C495354-     		db 9,"DPB LIST AT address DRIVE A:",9,"Access drive A: using List of Lists",13,10
  1091 00000663 204154206164647265-
  1091 0000066C 737320445249564520-
  1091 00000675 413A09416363657373-
  1091 0000067E 20647269766520413A-
  1091 00000687 207573696E67204C69-
  1091 00000690 7374206F66204C6973-
  1091 00000699 74730D0A           
  1092 0000069D 09445042204C495354-     		db 9,"DPB LIST AT address SKIP 0",9,"Access first DPB using List of Lists",13,10
  1092 000006A6 204154206164647265-
  1092 000006AF 737320534B49502030-
  1092 000006B8 094163636573732066-
  1092 000006C1 697273742044504220-
  1092 000006CA 7573696E67204C6973-
  1092 000006D3 74206F66204C697374-
  1092 000006DC 730D0A             
  1093 000006DF 09284C6F4C20616464-     		db 9,"(LoL address is always a 86 Mode address, default segment is RI31S)",13,10
  1093 000006E8 726573732069732061-
  1093 000006F1 6C7761797320612038-
  1093 000006FA 36204D6F6465206164-
  1093 00000703 64726573732C206465-
  1093 0000070C 6661756C7420736567-
  1093 00000715 6D656E742069732052-
  1093 0000071E 49333153290D0A     
  1094 00000725 0D0A                    		db 13,10
  1095 00000727 45445042206D617920-     		db "EDPB may be displayed using the following keywords:",13,10
  1095 00000730 626520646973706C61-
  1095 00000739 796564207573696E67-
  1095 00000742 2074686520666F6C6C-
  1095 0000074B 6F77696E67206B6579-
  1095 00000754 776F7264733A0D0A   
  1096 0000075C 094450422045585445-     		db 9,"DPB EXTENDED=format drive",9,"Display extended DPB",13,10
  1096 00000765 4E4445443D666F726D-
  1096 0000076E 617420647269766509-
  1096 00000777 446973706C61792065-
  1096 00000780 7874656E6465642044-
  1096 00000789 50420D0A           
  1097 0000078D 09445042204F4E4C59-     		db 9,"DPB ONLY EXTENDED=format drive",9,"Do not display base DPB",13,10
  1097 00000796 20455854454E444544-
  1097 0000079F 3D666F726D61742064-
  1097 000007A8 7269766509446F206E-
  1097 000007B1 6F7420646973706C61-
  1097 000007BA 792062617365204450-
  1097 000007C3 420D0A             
  1098 000007C6 0928666F726D617420-     		db 9,"(format may be MSDOS, FREEDOS, or EDRDOS)",13,10
  1098 000007CF 6D6179206265204D53-
  1098 000007D8 444F532C2046524545-
  1098 000007E1 444F532C206F722045-
  1098 000007EA 4452444F53290D0A   
  1099 000007F2 00                      		asciz
  1100                                  %endif
  1101                                  
  1102 000007F3 00<rep Dh>              	align 16, db 0
  1103                                  init_data_end:
  1104                                  data_size equ $ - datastart
  1105                                  transient_data_size equ data_size
  1106                                  
  1107                                  	absolute uinit_data
  1108                                  
  1109                                  	alignb 2
  1110 000004E8 ????????                address:	resd 1
  1111 000004EC ????                    size:		resw 1
  1112 000004EE <res 21h>               buffer:		resb DPB_size
  1113                                  
  1114 0000050F ??                      	alignb 16
  1115                                  uinit_data_end:
  1116                                  resident_data_end:
  1117                                  resident_data_size equ resident_data_end - datastart
  1118                                  
  1119                                  %if uinit_data_end >= init_data_end
  1120                                   total_data_size equ $ - datastart
  1121                                  %else
  1122                                   total_data_size equ init_data_end - datastart
  1123                                  %endif
  1124                                  %assign _DATA_SIZE total_data_size
  1125                                  
  1126                                  	usesection CODE
  1127                                  
  1128                                  %if _RESIDENT
  1129                                  install:
  1130 00000560 AC                      	lodsb
  1131 00000561 E8[0000]EB020000        	extcall chkeol
  1132                                  
  1133                                  	houdini
  1134 00000568 8EC3                    	mov es, bx		; => ext seg (writable)
  1135                                  
  1136 0000056A B8B000                  	mov ax, endresident - endinstalled
  1137 0000056D 262906[0200]            reloc	sub word [es:code + eldiEndCode], ax
  1138                                  internalcoderelocation		; adjust size
  1139 00000572 2906[0000]              reloc	sub word [relocateddata], ax
  1140                                  linkdatarelocation extseg_used	; adjust size
  1141                                  
  1142                                  %if (transient_data_size - resident_data_size) > 0
  1143 00000576 B8F002                  	mov ax, transient_data_size - resident_data_size
  1144 00000579 262906[0600]            reloc	sub word [es:code + eldiEndData], ax
  1145                                  internalcoderelocation		; adjust size
  1146 0000057E 2906[0000]              reloc	sub word [relocateddata], ax
  1147                                  linkdatarelocation extdata_used	; adjust size
  1148                                  %endif
  1149                                  
  1150 00000582 8B1E[0000]              reloc	mov bx, word [relocateddata]
  1151                                  linkdatarelocation ext_command_handler
  1152                                  				; -> prior
  1153 00000586 BF[2000]                reloc	mov di, command		; -> our handler
  1154                                  internalcoderelocation
  1155 00000589 85DB                    	test bx, bx		; installing as first ?
  1156 0000058B 740A                    	jz .only_first		; yes, simple --> (leave as extcall cmd3_not_ext)
  1157 0000058D AF                      	scasw			; skip entrypoint jmp strict short
  1158 0000058E B0E9                    	mov al, 0E9h		; = jmp near opcode
  1159 00000590 AA                      	stosb			; store
  1160 00000591 93                      	xchg ax, bx		; ax -> next handler
  1161 00000592 29F8                    	sub ax, di
  1162 00000594 48                      	dec ax
  1163 00000595 48                      	dec ax			; ax = ax - (di + 2)
  1164 00000596 AB                      	stosw			; store our downlink as rel16 displacement
  1165                                  
  1166                                  .only_first:
  1167 00000597 26800E[1000]01          reloc	setopt [es:code + eldiFlags], eldifResident
  1168                                  internalcoderelocation -3	; mark block as resident
  1169 0000059D C706[0000][2000]        reloc2	mov word [relocateddata], command
  1170                                  linkdatarelocation ext_command_handler, -4
  1171                                  internalcoderelocation		; -> our entrypoint
  1172                                  
  1173 000005A3 F606[0000]04            reloc	testopt [relocateddata], 4
  1174                                  linkdatarelocation options7, -3
  1175 000005A8 7506                    	jnz @F
  1176 000005AA BA[E804]                reloc	mov dx, msg.installed
  1177                                  internaldatarelocation
  1178 000005AD E8D8FE                  	call putsz
  1179                                  @@:
  1180 000005B0 31C0                    	xor ax, ax
  1181 000005B2 CB                      	retf
  1182                                  %endif
  1183                                  
  1184                                  
  1185                                  %include "eldlink.asm"
     1                              <1> %if 0
     2                              <1> 
     3                              <1> Extensions for lDebug linker
     4                              <1> 
     5                              <1> Copyright (C) 2008-2025 E. C. Masloch
     6                              <1> 
     7                              <1> Usage of the works is permitted provided that this
     8                              <1> instrument is retained with the works, so that any entity
     9                              <1> that uses the works is notified of this instrument.
    10                              <1> 
    11                              <1> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <1> 
    13                              <1> %endif
    14                              <1> 
    15                              <1> %include "lmacros3.mac"
     1                              <2> [list -]
    16                              <1> %include "eld.mac"
     1                              <2> %if 0
     2                              <2> 
     3                              <2> Extensions for lDebug macros
     4                              <2> 
     5                              <2> Copyright (C) 2008-2025 E. C. Masloch
     6                              <2> 
     7                              <2> Usage of the works is permitted provided that this
     8                              <2> instrument is retained with the works, so that any entity
     9                              <2> that uses the works is notified of this instrument.
    10                              <2> 
    11                              <2> DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.
    12                              <2> 
    13                              <2> %endif
    14                              <2> 
    15                              <2> %ifndef ELD_MAC
    16                              <2> %define ELD_MAC 1
    17                              <2> 
    18                              <2> %include "lmacros3.mac"
    19                              <2> 
    20                              <2> 		; ELD executable header
    21                              <2> 	struc ELD_HEADER
    22                              <2> eldhSignature:		resb 4	; "ELD1"
    23                              <2> 			resb 3	; reserved
    24                              <2> 			resb 1	; 26 (Ctrl-Z)
    25                              <2> eldhCodeOffset:		resd 1	; position displacement from eldhSignature
    26                              <2> eldhCodeImageLength:	resw 1	; amount bytes, at least 32
    27                              <2> eldhCodeAllocLength:	resw 1	; amount bytes, added to prior. sum < 64 KiB
    28                              <2> eldhDataOffset:		resd 1
    29                              <2> eldhDataImageLength:	resw 1	; (zero allowed)
    30                              <2> eldhDataAllocLength:	resw 1	; (zero allowed)
    31                              <2> eldhCodeEntrypoint:	resw 1	; within code section, used as displacement
    32                              <2> eldhReserved:		resb 4	; reserved
    33                              <2> eldhExtensionSize:	resw 1	; from eldhSignature, -> past eldhx fields in use
    34                              <2> 	endstruc
    35                              <2> 	endarea ELD_HEADER, 1
    36                              <2> 
    37                              <2> 	struc ELD_HEADERX
    38                              <2> eldhxHeader:		resb ELD_HEADER_size
    39                              <2> eldhxDescriptionOffset:	resd 1	; zero if none, from eldhxHeader. <= 128 Bytes
    40                              <2> eldhxHelpOffset:	resd 1	; zero if none, from eldhxHeader
    41                              <2> eldhxLibTable:		resd 1	; zero if none, from eldhxHeader
    42                              <2> eldhxDateTimeOffset:	resd 1	; zero if none, from eldhxHeader
    43                              <2> 	alignb 16
    44                              <2> 	endstruc
    45                              <2> 
    46                              <2> 	struc ELD_TRAILER_HEADER
    47                              <2> eldthSignature:		resb 8	; "ELD1TAIL"
    48                              <2> eldthHeaderOffset:	resd 1	; negative displacement from eldthSignature,
    49                              <2> 				;  add this dword to the seek offset
    50                              <2> eldthReserved:		resw 1	; reserved, must be initialised to zero
    51                              <2> eldthChecksum:		resw 1	; sum of all words in trailer header = 0
    52                              <2> 	endstruc
    53                              <2> 	endarea ELD_TRAILER_HEADER, 1
    54                              <2> 
    55                              <2> 	struc ELD_LIBTABLE
    56                              <2> eldltFormat:		resw 1
    57                              <2> 	; 0 = uncompressed
    58                              <2> 	; 2 = heatshrink compressed
    59                              <2> 	; 3 = lzexedat -4 compressed
    60                              <2> 	; 4 = lzexedat -4 -l compressed
    61                              <2> eldltAmount:		resw 1
    62                              <2> eldltOffset:		resd 1	; from eldhxHeader
    63                              <2> eldltCompressedLength:		; (dword, only present if format 2, 3, or 4)
    64                              <2> 	endstruc
    65                              <2> 	endarea ELD_LIBTABLE, 1
    66                              <2> 
    67                              <2> 		; ELD instance header
    68                              <2> 	struc ELD_INSTANCE
    69                              <2> eldiStartCode:		resw 1	; -> this structure itself (para aligned)
    70                              <2> eldiEndCode:		resw 1	; -> behind memory used by instance (para aligned)
    71                              <2> eldiStartData:		resw 1	; -> data in data entry section (para aligned), or 0
    72                              <2> eldiEndData:		resw 1	; -> behind data (para aligned), or 0
    73                              <2> eldiIdentifier:		resb 8	; blank-filled text
    74                              <2> eldiFlags:		resw 1	; flags
    75                              <2> eldiListing_size equ 14
    76                              <2> eldiListing:		resb eldiListing_size
    77                              <2> 				; ASCIZ listing file name
    78                              <2> 	endstruc
    79                              <2> 		; flags for eldiFlags:
    80                              <2> eldifResident:		equ 1
    81                              <2> 
    82                              <2> 		; ELD link info header
    83                              <2> 	struc ELD_LINKINFO
    84                              <2> eldlSignature:		resw 1	; 0E1D1h
    85                              <2> eldlReserved:		resw 2
    86                              <2> eldlUseLinkHash:	resw 1
    87                              <2> eldlDataAmount:		resw 1
    88                              <2> eldlDataPrefixes:	resw 1
    89                              <2> eldlDataEntries:	resw 1
    90                              <2> eldlDataAddresses:	resw 1
    91                              <2> eldlCodeAmount:		resw 1
    92                              <2> eldlCodePrefixes:	resw 1
    93                              <2> eldlCodeEntries:	resw 1
    94                              <2> eldlCodeAddresses:	resw 1
    95                              <2> 	endstruc
    96                              <2> 
    97                              <2> 	numdef ELD_CODE_VSTART, 9001h
    98                              <2> 	numdef ELD_DATA_VSTART, 8000h
    99                              <2> 	numdef ELD_RELOC_VSTART, 8000h
   100                              <2> 
   101                              <2> 	numdef ELD_RECLAIM_HINT, 0
   102                              <2> 	strdef ELD_LISTING, ""
   103                              <2> 	numdef ELD_DATETIME, 0
   104                              <2> 
   105                              <2> %if _ELD_DATETIME
   106                              <2>  %define PUT_ELDHX_DATETIME_OFFSET at eldhxDateTimeOffset, dd DATAOFFSET + datetime - datastart
   107                              <2>  %macro PUT_ELD_DATETIME 0.nolist
   108                              <2> datetime:	asciz __UTC_DATE__,'T',__UTC_TIME__,'Z'
   109                              <2> 		asciz		; for future extension
   110                              <2>  %endmacro
   111                              <2> %else
   112                              <2>  %define PUT_ELDHX_DATETIME_OFFSET
   113                              <2>  %define PUT_ELD_DATETIME
   114                              <2> %endif
   115                              <2> 
   116                              <2> %endif
    17                              <1> 
    18                              <1> 	cpu 8086
    19                              <1> 
    20                              <1> %if ELDSTRICT
    21                              <1>  %if ELDSTRICTCOUNTER
    22                              <1>   %error Missing relocation
    23                              <1>  %endif
    24                              <1> %endif
    25                              <1> 	eldstrict off		; linker does some relocations
    26                              <1> 
    27                              <1> %ifn ELDCALLCALL_DUMPED
    28                              <1> 	eldcall_dump_callcall ELDCALL_CALLCALL_LIST
    29                              <1> %endif
    30                              <1> 
    31                              <1> 	numdef ELD_IDENTICALISE, 0
    32                              <1> 	numdef ELD_DEBUG, 0
    33                              <1> 	numdef ELD_LINKER_PASSES, 1
    34                              <1> 	strdef LISTING, _ELD_LISTING
    35                              <1> 	numdef ELDCALL_OPTIONAL, ELDCALL_OPTIONAL_STATUS
    36                              <1> 	numdef ELDDATA_OPTIONAL, ELDDATA_OPTIONAL_STATUS
    37                              <1> %if _ELD_IDENTICALISE
    38                              <1>  ;%assign _ELDCALL_OPTIONAL 1
    39                              <1> %endif
    40                              <1> %ifn _ELDCALL_OPTIONAL
    41                              <1> %assign ELDCALL_OPTIONAL_STATUS 2		; not allowed
    42                              <1> %endif
    43                              <1> ;%ifn _ELDDATA_OPTIONAL
    44                              <1> ;%assign ELDDATA_OPTIONAL_STATUS 2		; not allowed
    45                              <1> ;%endif
    46                              <1> 	gendef MAP, ""
    47                              <1> 
    48                              <1> %ifnidni _MAP, ""
    49                              <1>  [map all _MAP]
    50                              <1> %endif
    51                              <1> 
    52                              <1> 
    53                              <1> endresident: equ ($ + _CURRENT_SECTION %+ FIXUP + 15) & ~15
    54                              <1> 
    55                              <1> %if _ELD_LINKER_PASSES
    56                              <1> %assign ELDLINKER 1
    57                              <1> 
    58                              <1> 	struc LINKTABLE
    59 00000000 ????????            <1> ltCodeToCode:	resw 2
    60 00000004 ????????            <1> ltCodeToData:	resw 2
    61 00000008 ????????            <1> ltDataToCode:	resw 2
    62 0000000C ????????            <1> ltDataToData:	resw 2
    63 00000010 ????????            <1> ltLinkData:	resw 2
    64 00000014 ????????            <1> ltLinkCode:	resw 2
    65                              <1> 	endstruc
    66                              <1> %endif
    67                              <1> 
    68                              <1> 
    69                              <1> 		; INP:	es:dx -> loaded initial ELD image
    70                              <1> 		;	 ELD instance structure filled
    71                              <1> 		;	es => ELD code area
    72                              <1> 		;	ds:di -> link info
    73                              <1> 		;	ss:bx -> loaded initial data
    74                              <1> 		;	ss:si -> command line tail
    75                              <1> 		;	cs:ip -> entrypoint
    76                              <1> 		;	ss:sp -> far return address for current mode
    77                              <1> 		; STT:	UP, EI
    78                              <1> linker:
    79                              <1> 		; The first 15 Bytes of the linker should be
    80                              <1> 		;  the same regardless of the linker options
    81                              <1> 		;  used (debug, passes, vstart). This allows
    82                              <1> 		;  the eldcomp ELD to match even if up to 15
    83                              <1> 		;  Bytes of the linker are trailing in the
    84                              <1> 		;  resident part of the ELD.
    85                              <1> 	lframe
    86                              <1>  %if ELDOTHER
    87                              <1> 	lvar dword, linkinfo_other
    88                              <1> 	lvar word, use_hash_other
    89                              <1>  %endif
    90 000005B3 5589E5              <1> 	lenter
    91                              <1> 	lvar dword, instance
    92 000005B6 06                  <1> 	 push es
    93 000005B7 52                  <1> 	 push dx		; -> start of where we're loaded in ELD cs
    94                              <1> 	lvar word, targetsection_low_optional_high
    95 000005B8 50                  <1> 	 push ax		; placeholder
    96                              <1> 	lequ ?targetsection_low_optional_high, targetsection
    97                              <1> 	lequ ?targetsection_low_optional_high + 1, optional
    98                              <1> 	lvar dword, linkinfo
    99 000005B9 1E                  <1> 	 push ds
   100 000005BA 57                  <1> 	 push di		; -> link info (in debugger ss or message seg)
   101                              <1> 	lvar dword, nextreloc
   102 000005BB 06                  <1> 	 push es		; => ELD cs
   103 000005BC 52                  <1> 	 push dx		; placeholder
   104                              <1> 	lvar dword, entry
   105 000005BD 06                  <1> 	 push es		; => ELD cs
   106 000005BE 50                  <1> 	 push ax		; placeholder
   107 000005BF 31C0                <1> 	xor ax, ax
   108 000005C1 813DD1E1            <1> 	cmp word [di + eldlSignature], 0E1D1h
   109                              <1> %if ($ - linker) < 16
   110                              <1>  %error Expected invariant first paragraph of linker
   111                              <1> %endif
   112 000005C5 7403E95E02          <1> 	jne .error_j		; signature mismatch -->
   113 000005CA 837D0601            <1> 	cmp word [di + eldlUseLinkHash], 1
   114 000005CE 7603E95502          <1> 	ja .error_j		; unknown use link hash number -->
   115 000005D3 7201                <1> 	jb @F
   116 000005D5 48                  <1> 	dec ax			; = -1 if hash used
   117                              <1> @@:
   118                              <1> 	lvar word, use_hash
   119 000005D6 50                  <1> 	 push ax		; = -1 if hash used, else 0
   120                              <1> %if _ELD_IDENTICALISE && _ELD_LINKER_PASSES
   121                              <1> 	mov ax, linktable - code
   122                              <1> 	lvar word, lt
   123                              <1> 	 push ax		; -> link tables (a single reference)
   124                              <1> %endif
   125                              <1> %if _ELD_LINKER_PASSES || ELDOTHER
   126 000005D7 31C0                <1> 	xor ax, ax
   127                              <1>  %if _ELD_LINKER_PASSES
   128                              <1> 	lvar word, pass
   129 000005D9 50                  <1> 	 push ax		; = 0 for linker itself, = 2 for application
   130                              <1> 	lvar word, amounterrors
   131 000005DA 50                  <1> 	 push ax		; how many distinct errors encountered in pass 2
   132                              <1> 	lvar word, name
   133 000005DB 50                  <1> 	 push ax		; -> name currently being sought (in our table)
   134                              <1>  %endif
   135                              <1>  %if ELDOTHER
   136                              <1> 	lvar word, other
   137                              <1> 	 push ax		; byte: 0 = own data links, -1 = other data links
   138                              <1>  %endif
   139                              <1> %endif
   140 000005DC 56                  <1> 	push si			; -> command line tail
   141 000005DD 53                  <1> 	push bx			; -> data block in ELD data area (segment ss)
   142                              <1> 
   143                              <1> 			; simple: add instance base (dx) to code
   144 000005DE 06                  <1> 	push es
   145 000005DF 1F                  <1> 	pop ds			; ds = es => ELD cs
   146                              <1> %if _ELD_LINKER_PASSES
   147                              <1> .pass:
   148 000005E0 8B5EEA              <1> 	mov bx, word [bp + ?pass]	; 0 or 2
   149 000005E3 01D3                <1> 	add bx, dx		; -> start of the ELD instance in cs, +0 or +2
   150                              <1>  %if _ELD_IDENTICALISE
   151                              <1> 	add bx, word [bp + ?lt]	; add in single reference to linktable
   152                              <1> 	mov si, word [ltCodeToCode + bx]
   153                              <1>  %else
   154 000005E5 8BB77C09            <1> 	mov si, word [linktable - code + ltCodeToCode + bx]
   155                              <1>  %endif
   156                              <1> %else
   157                              <1> 	mov si, internalcodetocoderelocations - code
   158                              <1> %endif		 		; si -> table for code to code (linker or app)
   159 000005E9 01D6                <1> 	add si, dx		; relocate the table pointer itself
   160                              <1> @@:
   161 000005EB AD                  <1> 	lodsw
   162 000005EC 85C0                <1> 	test ax, ax		; was last ?
   163 000005EE 740B                <1> 	jz @F			; yes -->
   164 000005F0 93                  <1> 	xchg bx, ax		; bx = entry
   165 000005F1 01D3                <1> 	add bx, dx		; relocate the entry itself
   166                              <1> %if _ELD_CODE_VSTART
   167 000005F3 812F[0000]          <1> 	sub word [bx], code	; undo adjustment
   168                              <1> %endif
   169 000005F7 0117                <1> 	add word [bx], dx	; relocate word referenced by entry
   170 000005F9 EBF0                <1> 	jmp @B
   171                              <1> 
   172                              <1> @@:
   173                              <1> 			; next, add heap data base (on stack) to code
   174                              <1> %if _ELD_LINKER_PASSES
   175 000005FB 8B5EEA              <1> 	mov bx, word [bp + ?pass]	; 0 or 2
   176 000005FE 01D3                <1> 	add bx, dx		; -> start of the ELD instance in cs, +0 or +2
   177                              <1>  %if _ELD_IDENTICALISE
   178                              <1> 	add bx, word [bp + ?lt]	; add in single reference to linktable
   179                              <1> 	mov si, word [ltCodeToData + bx]
   180                              <1>  %else
   181 00000600 8BB78009            <1> 	mov si, word [linktable - code + ltCodeToData + bx]
   182                              <1>  %endif
   183                              <1> %else
   184                              <1> 	mov si, internalcodetodatarelocations - code
   185                              <1> %endif				; si -> table for code to data (linker or app)
   186 00000604 01D6                <1> 	add si, dx		; relocate the table pointer itself
   187                              <1> @@:
   188 00000606 AD                  <1> 	lodsw
   189 00000607 85C0                <1> 	test ax, ax		; was last ?
   190 00000609 740C                <1> 	jz @F			; yes -->
   191 0000060B 93                  <1> 	xchg bx, ax		; bx = entry
   192 0000060C 01D3                <1> 	add bx, dx		; relocate the entry itself
   193                              <1> 		; ! access the offset of the data area block, topmost on stack
   194 0000060E 58                  <1> 	pop ax			; ax -> heap data
   195 0000060F 50                  <1> 	push ax
   196                              <1> %if _ELD_DATA_VSTART
   197 00000610 2D[0000]            <1> 	sub ax, datastart	; undo adjustment
   198                              <1> %endif
   199 00000613 0107                <1> 	add word [bx], ax	; relocate word referenced by entry
   200 00000615 EBEF                <1> 	jmp @B
   201                              <1> 
   202                              <1> @@:
   203                              <1> 
   204                              <1> 			; add instance base (dx) to data
   205                              <1> %if _ELD_LINKER_PASSES
   206 00000617 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   207 0000061A 01D3                <1> 	add bx, dx
   208                              <1>  %if _ELD_IDENTICALISE
   209                              <1> 	add bx, word [bp + ?lt]
   210                              <1> 	mov si, word [ltDataToCode + bx]
   211                              <1>  %else
   212 0000061C 8BB78409            <1> 	mov si, word [linktable - code + ltDataToCode + bx]
   213                              <1>  %endif
   214                              <1> %else
   215                              <1> 	mov si, internaldatatocoderelocations - code
   216                              <1> %endif
   217 00000620 01D6                <1> 	add si, dx
   218                              <1> @@:
   219 00000622 AD                  <1> 	lodsw
   220 00000623 83F8FF              <1> 	cmp ax, -1		; was last ?
   221 00000626 740F                <1> 	je @F			; yes -->
   222 00000628 93                  <1> 	xchg bx, ax		; bx = entry
   223                              <1> 		; ! access the offset of the data area block, topmost on stack
   224 00000629 58                  <1> 	pop ax
   225 0000062A 50                  <1> 	push ax
   226 0000062B 01C3                <1> 	add bx, ax		; relocate the entry itself
   227                              <1> %if _ELD_CODE_VSTART
   228 0000062D 36812F[0000]        <1> 	sub word [ss:bx], code	; undo adjustment
   229                              <1> %endif
   230 00000632 360117              <1> 	add word [ss:bx], dx	; relocate word referenced by entry
   231 00000635 EBEB                <1> 	jmp @B
   232                              <1> 
   233                              <1> @@:
   234                              <1> 			; next, add heap data base (on stack) to data
   235                              <1> %if _ELD_LINKER_PASSES
   236 00000637 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   237 0000063A 01D3                <1> 	add bx, dx
   238                              <1>  %if _ELD_IDENTICALISE
   239                              <1> 	add bx, word [bp + ?lt]
   240                              <1> 	mov si, word [ltDataToData + bx]
   241                              <1>  %else
   242 0000063C 8BB78809            <1> 	mov si, word [linktable - code + ltDataToData + bx]
   243                              <1>  %endif
   244                              <1> %else
   245                              <1> 	mov si, internaldatatodatarelocations - code
   246                              <1> %endif
   247 00000640 01D6                <1> 	add si, dx
   248                              <1> @@:
   249 00000642 AD                  <1> 	lodsw
   250 00000643 83F8FF              <1> 	cmp ax, -1		; was last ?
   251 00000646 740D                <1> 	je @F			; yes -->
   252 00000648 93                  <1> 	xchg bx, ax		; bx = entry
   253                              <1> 		; ! access the offset of the data area block, topmost on stack
   254 00000649 58                  <1> 	pop ax			; ax -> heap data
   255 0000064A 50                  <1> 	push ax
   256 0000064B 01C3                <1> 	add bx, ax		; relocate the entry itself
   257                              <1> %if _ELD_DATA_VSTART
   258 0000064D 2D[0000]            <1> 	sub ax, datastart	; undo adjustment
   259                              <1> %endif
   260 00000650 360107              <1> 	add word [ss:bx], ax	; relocate word referenced by entry
   261 00000653 EBED                <1> 	jmp @B
   262                              <1> 
   263                              <1> @@:
   264 00000655 8B56FC              <1> 	mov dx, word [bp + ?instance]
   265                              <1> 				; reset (why??) -> ELD instance in ELD cs
   266                              <1> %if _ELD_LINKER_PASSES
   267 00000658 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   268 0000065B 01D3                <1> 	add bx, dx
   269                              <1>  %if _ELD_IDENTICALISE
   270                              <1> 	add bx, word [bp + ?lt]
   271                              <1> 	add dx, word [ltLinkData + bx]
   272                              <1>  %else
   273 0000065D 03978C09            <1> 	add dx, word [linktable - code + ltLinkData + bx]
   274                              <1>  %endif
   275                              <1> %else
   276                              <1> 	add dx, linkerdatarelocations - code
   277                              <1> %endif
   278                              <1> .otherloop:
   279 00000661 8956F2              <1> 	mov word [bp + ?nextreloc], dx
   280                              <1> 				; -> data link relocation table
   281                              <1> 
   282                              <1> .datarelocloop:		; must be done before further relocs
   283 00000664 C576F2              <1> 	lds si, [bp + ?nextreloc]
   284 00000667 AD                  <1> 	lodsw			; ax = section indicator
   285 00000668 85C0                <1> 	test ax, ax		; end of table ?
   286 0000066A 7503E92601          <1> 	jz .donedatareloc
   287 0000066F 48                  <1> 	dec ax			; al = 1 if data, 0 if code (NB ah may != 0)
   288                              <1> 		; ! access the offset of the data area block, topmost on stack
   289 00000670 5B                  <1> 	pop bx
   290 00000671 53                  <1> 	push bx			; bx -> ELD data block
   291 00000672 8946FA              <1> 	mov word [bp + ?targetsection_low_optional_high], ax
   292 00000675 84C0                <1> 	test al, al		; data ?
   293 00000677 AD                  <1> 	lodsw
   294 00000678 7504                <1> 	jnz @F			; yes -->
   295 0000067A 0346FC              <1> 	add ax, word [bp + ?instance]
   296                              <1> 				; relocate entry into code
   297 0000067D A9                  <1> 	db __TEST_IMM16		; (skip add)
   298                              <1> @@:
   299 0000067E 01D8                <1> 	add ax, bx		; relocate entry into data
   300 00000680 8946EE              <1> 	mov word [bp + ?entry], ax
   301                              <1> 				; save away -> where to patch
   302 00000683 AD                  <1> 	lodsw			; get unrelocated -> name
   303 00000684 8976F2              <1> 	mov word [bp + ?nextreloc], si
   304                              <1> 				; update -> behind relocation table entry
   305 00000687 E8DF00              <1> 	call .build_match	; get ax = scan value, si -> counted string,
   306                              <1> 				;  dl = original value at byte [si]
   307                              <1> 				; NC if symbol already not found before
   308                              <1> 				; CY if to search for the symbol
   309                              <1> %if _ELD_LINKER_PASSES
   310 0000068A 73D8                <1> 	jnc .datarelocloop	; if duplicate of a not found symbol -->
   311                              <1> %endif
   312 0000068C C45EF6              <1> 	les bx, [bp + ?linkinfo]
   313                              <1> %if ELDOTHER
   314                              <1> 	rol byte [bp + ?other], 1
   315                              <1> 	jnc @F
   316                              <1> 	les bx, [bp + ?linkinfo_other]
   317                              <1> @@:
   318                              <1> %endif				; es:bx -> link info table of the ELD host
   319 0000068F 268B4F08            <1> 	mov cx, word [es:bx + eldlDataAmount]	; amount data link info
   320 00000693 268B7F0A            <1> 	mov di, word [es:bx + eldlDataPrefixes]	; -> prefixes or hashes
   321                              <1> .datarelocfind:
   322 00000697 83F901              <1> 	cmp cx, 1			; NZ if cx == 0
   323 0000069A F2AF                <1> 	repne scasw			; scan initial
   324 0000069C 7541                <1> 	jne .datarelocnotfound
   325 0000069E 57                  <1> 	push di
   326 0000069F 51                  <1> 	push cx
   327 000006A0 56                  <1> 	push si
   328 000006A1 262B7F0A            <1> 	sub di, word [es:bx + eldlDataPrefixes]	; = double index, 1-based
   329 000006A5 4F                  <1> 	dec di
   330 000006A6 4F                  <1> 	dec di				; 0-based
   331 000006A7 26037F0C            <1> 	add di, word [es:bx + eldlDataEntries]	; -> entry
   332 000006AB 268B3D              <1> 	mov di, [es:di]			; -> counted suffix/string
   333 000006AE B500                <1> 	mov ch, 0
   334 000006B0 8A0C                <1> 	mov cl, byte [si]		; cx = length
   335 000006B2 41                  <1> 	inc cx
   336                              <1> 	; cmp al, al			; ZR if length is zero
   337 000006B3 F3A6                <1> 	repe cmpsb			; match ?
   338 000006B5 5E                  <1> 	pop si
   339 000006B6 59                  <1> 	pop cx
   340 000006B7 5F                  <1> 	pop di
   341 000006B8 75DD                <1> 	jne .datarelocfind		; if not found this time,
   342                              <1> 					;  scan for next initial -->
   343 000006BA 8814                <1> 	mov byte [si], dl		; restore the original byte at counter
   344 000006BC 262B7F0A            <1> 	sub di, word [es:bx + eldlDataPrefixes]	; = double index, 1-based
   345 000006C0 4F                  <1> 	dec di
   346 000006C1 4F                  <1> 	dec di				; 0-based
   347 000006C2 26037F0E            <1> 	add di, word [es:bx + eldlDataAddresses]	; -> address (offset)
   348 000006C6 268B05              <1> 	mov ax, word [es:di]		; get link data from the table
   349 000006C9 E80700              <1> 	call .address_data_reloc
   350                              <1> %if _ELD_RELOC_VSTART
   351 000006CC 2D[0000]            <1> 	sub ax, relocateddata		; *not* a relocation
   352                              <1> %endif
   353 000006CF 0104                <1> 	add word [si], ax		; relocate
   354 000006D1 EB91                <1> 	jmp .datarelocloop
   355                              <1> 
   356                              <1> .address_data_reloc:
   357 000006D3 C576EE              <1> 	lds si, [bp + ?entry]		; -> entry if in ELD code instance
   358 000006D6 807EFA00            <1> 	cmp byte [bp + ?targetsection], 0
   359                              <1> 					; relocation in code ?
   360 000006DA 7402                <1> 	je @F				; yes -->
   361 000006DC 16                  <1> 	push ss
   362 000006DD 1F                  <1> 	pop ds				; => our ELD data block
   363                              <1> @@:
   364 000006DE C3                  <1> 	retn
   365                              <1> 
   366                              <1> .datarelocnotfound:
   367 000006DF 8814                <1> 	mov byte [si], dl		; restore the original byte at counter
   368 000006E1 807EFB00            <1> 	cmp byte [bp + ?optional], 0	; is it an optional relocation ?
   369                              <1> %if _ELD_DEBUG
   370                              <1> 	jne @F
   371                              <1>  %ifn _ELD_LINKER_PASSES
   372                              <1> 	mov si, 0			; (invalid link)
   373                              <1> linkdatarelocation internalflags6
   374                              <1> 	test si, si
   375                              <1> 	jz .datanotfound
   376                              <1> 	mov si, 0			; (invalid link)
   377                              <1> linkdatarelocation options7
   378                              <1> 	test si, si
   379                              <1> 	jz .datanotfound
   380                              <1>  %else
   381                              <1> 	cmp byte [bp + ?pass], 0
   382                              <1> 	je .datanotfound
   383                              <1>  %endif
   384                              <1> 	houdini				; (the above conditions are for this)
   385                              <1> 	jmp .datanotfound
   386                              <1> @@:
   387                              <1> %else
   388 000006E5 7417                <1> 	je .datanotfound		; no, handle as an error -->
   389                              <1> %endif
   390                              <1> 
   391                              <1> %if ELDDATA_PMREQUIRED_STATUS
   392                              <1> 	mov si, relocateddata
   393                              <1> linkdatarelocation build_option_PM
   394                              <1> 	test si, si			; is it a PM build ?
   395                              <1> 	jz @F				; no --> (treat PM required as optional)
   396                              <1> 	test byte [bp + ?optional], 2	; optional status is PM required ?
   397                              <1> 	jnz .datanotfound		; yes, handle as an error -->
   398                              <1> @@:
   399                              <1> %endif
   400                              <1> 
   401                              <1> %if _ELD_LINKER_PASSES
   402 000006E7 36F606[0000]02      <1> 	testopt [ss:relocateddata], 2	; debug optional link ?
   403                              <1> linkdatarelocation options7, -3
   404 000006ED 7406                <1> 	jz @F				; no -->
   405 000006EF BE[FC0D]            <1> 	mov si, lmsg.warning_data_optional
   406                              <1> internalcoderelocation
   407 000006F2 E82B00              <1> 	call .notfound			; display a warning
   408                              <1> @@:
   409                              <1> %endif
   410 000006F5 E8DBFF              <1> 	call .address_data_reloc
   411 000006F8 832400              <1> 	and word [si], 0		; indicate optional data link failed
   412 000006FB E966FF              <1> 	jmp .datarelocloop
   413                              <1> 
   414                              <1> 
   415                              <1> %if _ELDCALL_OPTIONAL
   416                              <1> .coderelocnotfound:
   417                              <1> 	mov byte [si], dl		; restore the original byte at counter
   418                              <1> 	cmp byte [bp + ?optional], 0	; is it an optional relocation ?
   419                              <1> %if _ELD_DEBUG
   420                              <1> 	jne @F
   421                              <1>  %ifn _ELD_LINKER_PASSES
   422                              <1> 	mov si, 0			; (invalid link)
   423                              <1> linkdatarelocation internalflags6
   424                              <1> 	test si, si
   425                              <1> 	jz .codenotfound
   426                              <1> 	mov si, 0			; (invalid link)
   427                              <1> linkdatarelocation options7
   428                              <1> 	test si, si
   429                              <1> 	jz .codenotfound
   430                              <1>  %else
   431                              <1> 	cmp byte [bp + ?pass], 0
   432                              <1> 	je .codenotfound
   433                              <1>  %endif
   434                              <1> 	houdini				; (the above conditions are for this)
   435                              <1> 	jmp .codenotfound
   436                              <1> @@:
   437                              <1> %else
   438                              <1> 	je .codenotfound		; no, handle as an error -->
   439                              <1> %endif
   440                              <1> 
   441                              <1> %if ELDCALL_PMREQUIRED_STATUS
   442                              <1>  %if _ELD_LINKER_PASSES
   443                              <1>   %assign ELDLINKER 0
   444                              <1>  %endif
   445                              <1> 	mov si, relocateddata
   446                              <1> linkdatarelocation build_option_PM
   447                              <1>  %if _ELD_LINKER_PASSES
   448                              <1>   %assign ELDLINKER 1
   449                              <1>  %endif
   450                              <1> 	test si, si			; is it a PM build ?
   451                              <1> 	jz @F				; no --> (treat PM required as optional)
   452                              <1> 	test byte [bp + ?optional], 2	; optional status is PM required ?
   453                              <1> 	jnz .codenotfound		; yes, handle as an error -->
   454                              <1> @@:
   455                              <1> %endif
   456                              <1> 
   457                              <1> %if _ELD_LINKER_PASSES
   458                              <1> 	testopt [ss:relocateddata], 2	; debug optional link ?
   459                              <1> linkdatarelocation options7, -3
   460                              <1> 	jz @F				; no -->
   461                              <1> 	mov si, lmsg.warning_code_optional
   462                              <1> internalcoderelocation
   463                              <1> 	call .notfound			; display a warning
   464                              <1> @@:
   465                              <1> %endif
   466                              <1> 	lds si, [bp + ?entry]		; -> code site (must be in ELD cs)
   467                              <1> 	mov word [si], 9090h
   468                              <1> 	mov byte [si + 2], 90h		; indicate optional code link failed
   469                              <1> 					;  (NOP out the 3-byte call near imm)
   470                              <1> 	jmp .coderelocloop
   471                              <1> %endif
   472                              <1> 
   473                              <1> 
   474                              <1> %if _ELD_LINKER_PASSES
   475                              <1> .datanotfound:
   476 000006FE BE[1E0E]            <1> 	mov si, lmsg.error_data
   477                              <1> internalcoderelocation
   478 00000701 E81C00              <1> 	call .notfound			; display error
   479 00000704 7203E91F01          <1> 	jnc .error_j			; NC if in pass 0, error out now -->
   480 00000709 FF46E8              <1> 	inc word [bp + ?amounterrors]	; count the amount of errors
   481 0000070C E955FF              <1> 	jmp .datarelocloop		; go to next relocation entry -->
   482                              <1> 
   483                              <1> .codenotfound:
   484 0000070F BE[370E]            <1> 	mov si, lmsg.error_code
   485                              <1> internalcoderelocation
   486 00000712 E80B00              <1> 	call .notfound			; display error
   487 00000715 7203E90E01          <1> 	jnc .error_j			; NC if in pass 0 -->
   488 0000071A FF46E8              <1> 	inc word [bp + ?amounterrors]	; count the amount of errors
   489 0000071D E98400              <1> 	jmp .coderelocloop		; go to next -->
   490                              <1> 
   491                              <1> .notfound:
   492 00000720 807EEA00            <1> 	cmp byte [bp + ?pass], 0q	; pass 0 ?
   493 00000724 743A                <1> 	je @F				; yes, do not try displaying --> (NC)
   494 00000726 16                  <1> 	 push ss
   495 00000727 07                  <1> 	 pop es
   496 00000728 BF[0000]            <1> 	mov di, relocateddata
   497                              <1> linkdatarelocation line_out		; es:di -> line_out buffer
   498 0000072B E83300              <1> 	call .copy			; copy prefix message
   499 0000072E 8B76E6              <1> 	mov si, word [bp + ?name]
   500 00000731 AD                  <1> 	lodsw				; = hash
   501 00000732 E8[0000]EB020000    <1> 	extcall hexword			; display the hash in hex
   502 00000739 56                  <1> 	push si
   503 0000073A BE[500E]            <1> 	mov si, lmsg.error.2
   504                              <1> internalcoderelocation
   505 0000073D E82100              <1> 	call .copy			; display message fragment
   506 00000740 5E                  <1> 	pop si
   507                              <1> %if _ELD_LINKER_PASSES
   508 00000741 56                  <1> 	push si
   509 00000742 E81C00              <1> 	call .copy			; copy over the full name
   510 00000745 5E                  <1> 	pop si
   511 00000746 C60400              <1> 	mov byte [si], 0		; mark as failed (counter byte = 0)
   512                              <1> %else
   513                              <1> 	call .copy
   514                              <1> %endif
   515 00000749 B022                <1> 	mov al, '"'
   516 0000074B AA                  <1> 	stosb				; end message with a closing quote mark
   517 0000074C 16                  <1> 	 push ss
   518 0000074D 1F                  <1> 	 pop ds
   519 0000074E E8[0000]EB020000    <1> 	extcall putsline_crlf		; display diagnostic line
   520 00000755 B8350E              <1> 	mov ax, 0E35h
   521 00000758 E8[0000]EB020000    <1> 	extcall setrc
   522 0000075F F9                  <1> 	stc				; CY, diagnostic displayed
   523                              <1> @@:
   524 00000760 C3                  <1> 	retn
   525                              <1> 
   526                              <1> .copy:		; (cannot use extcallcall here)
   527 00000761 E8[0000]EB020000    <1> 	extcall copy_single_counted_string
   528 00000768 C3                  <1> 	retn
   529                              <1> %else
   530                              <1> .datanotfound: equ .error_j
   531                              <1> .codenotfound: equ .error_j
   532                              <1> %endif
   533                              <1> 
   534                              <1> .build_match:
   535                              <1> %if _ELD_CODE_VSTART
   536 00000769 2D[0000]            <1> 	sub ax, code			; revert adjustment (= displacement)
   537                              <1> %endif
   538 0000076C 0346FC              <1> 	add ax, word [bp + ?instance]	; make displacement into -> name string
   539 0000076F 96                  <1> 	xchg si, ax			; si -> hash word, counted name string
   540                              <1> %if _ELD_LINKER_PASSES
   541 00000770 8976E6              <1> 	mov word [bp + ?name], si	; save away for diagnostics
   542                              <1> %endif
   543 00000773 AD                  <1> 	lodsw			; = hash, si -> counted string
   544 00000774 8A14                <1> 	mov dl, byte [si]	; dl = original start byte of match
   545                              <1> %if _ELD_LINKER_PASSES
   546 00000776 84D2                <1> 	test dl, dl		; marked as already failed ?
   547 00000778 750A                <1> 	jnz @F
   548 0000077A 837EE800            <1> 	cmp word [bp + ?amounterrors], 0
   549                              <1> 				; validate error status
   550 0000077E 7503E9A500          <1> 	je .error_j		; no error known ?! cancel quickly -->
   551 00000783 C3                  <1> 	retn			; (NC)
   552                              <1> 
   553                              <1> @@:
   554                              <1> %endif
   555                              <1> %if ELDOTHER
   556                              <1> 	rol byte [bp + ?other], 1
   557                              <1> 	jnc @F
   558                              <1> 	rol byte [bp + ?use_hash_other], 1
   559                              <1> 	jmp @FF
   560                              <1> 
   561                              <1> @@:
   562                              <1> %endif
   563 00000784 D046EC              <1> 	rol byte [bp + ?use_hash], 1
   564                              <1> @@:
   565                              <1> 		; If to use the hash, then ax = hash and si ->
   566                              <1> 		;  the entire symbol name as a counted string.
   567 00000787 720A                <1> 	jc @F			; if to use hash, return now -->
   568 00000789 AC                  <1> 	lodsb			; al = length
   569 0000078A 91                  <1> 	xchg cx, ax		; cl = length
   570 0000078B AD                  <1> 	lodsw			; ax = prefix
   571 0000078C 49                  <1> 	dec cx
   572 0000078D 49                  <1> 	dec cx			; cl = adjusted length
   573 0000078E 4E                  <1> 	dec si			; -> second byte of prefix
   574 0000078F 8A14                <1> 	mov dl, byte [si]	; dl = original start byte of match
   575 00000791 880C                <1> 	mov byte [si], cl	; si -> counted string suffix
   576                              <1> 		; (this name entry has been edited to provide the
   577                              <1> 		;  name suffix as a counted string, as required by
   578                              <1> 		;  the old-style non-hash link info tables.
   579                              <1> 		; it will be reset later by writing dl to si -> the
   580                              <1> 		;  first byte of the match string.)
   581                              <1> @@:
   582                              <1> %if _ELD_LINKER_PASSES
   583 00000793 F9                  <1> 	stc			; CY
   584                              <1> %endif
   585 00000794 C3                  <1> 	retn
   586                              <1> 
   587                              <1> 
   588                              <1> .donedatareloc:
   589                              <1> %if ELDOTHER
   590                              <1> 	rol byte [bp + ?other], 1
   591                              <1> 	jc .otherdone		; other link only has data links,
   592                              <1> 				;  so at this point we're done -->
   593                              <1> %endif
   594                              <1> 
   595 00000795 8B56FC              <1> 	mov dx, word [bp + ?instance]
   596                              <1> %if _ELD_LINKER_PASSES
   597 00000798 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   598 0000079B 01D3                <1> 	add bx, dx
   599                              <1>  %if _ELD_IDENTICALISE
   600                              <1> 	add bx, word [bp + ?lt]
   601                              <1> 	add dx, word [ltLinkCode + bx]
   602                              <1>  %else
   603 0000079D 03979009            <1> 	add dx, word [linktable - code + ltLinkCode + bx]
   604                              <1>  %endif
   605                              <1> %else
   606                              <1> 	add dx, linkercoderelocations - code
   607                              <1> %endif
   608 000007A1 8956F2              <1> 	mov word [bp + ?nextreloc], dx
   609                              <1> 
   610                              <1> .coderelocloop:
   611 000007A4 C576F2              <1> 	lds si, [bp + ?nextreloc]
   612 000007A7 AD                  <1> 	lodsw
   613                              <1> %if _ELDCALL_OPTIONAL
   614                              <1> 	dec ax				; optional word is 1-based, get 0-based
   615                              <1> 	js .donecodereloc
   616                              <1> 	mov word [bp + ?targetsection_low_optional_high], ax
   617                              <1> 	lodsw
   618                              <1> %endif
   619 000007A8 0346FC              <1> 	add ax, word [bp + ?instance]
   620 000007AB 8946EE              <1> 	mov word [bp + ?entry], ax
   621 000007AE AD                  <1> 	lodsw
   622 000007AF 8976F2              <1> 	mov word [bp + ?nextreloc], si
   623                              <1> %ifn _ELDCALL_OPTIONAL
   624 000007B2 85C0                <1> 	test ax, ax			; if no optional word, check -> match
   625 000007B4 7503E98100          <1> 	jz .donecodereloc
   626                              <1> %endif
   627 000007B9 E8ADFF              <1> 	call .build_match
   628                              <1> %if _ELD_LINKER_PASSES
   629 000007BC 73E6                <1> 	jnc .coderelocloop
   630                              <1> %endif
   631 000007BE C45EF6              <1> 	les bx, [bp + ?linkinfo]
   632 000007C1 268B4F10            <1> 	mov cx, word [es:bx + eldlCodeAmount]	; amount code link info
   633 000007C5 268B7F12            <1> 	mov di, word [es:bx + eldlCodePrefixes]	; -> prefixes or hashes
   634                              <1> .coderelocfind:
   635 000007C9 83F901              <1> 	cmp cx, 1			; NZ if cx == 0
   636 000007CC F2AF                <1> 	repne scasw			; scan initial
   637                              <1> %if _ELDCALL_OPTIONAL
   638                              <1> 	jne .coderelocnotfound
   639                              <1> %else
   640                              <1>  %if _ELD_DEBUG
   641                              <1> 	je @F
   642                              <1> 	houdini
   643                              <1> 	jmp .codenotfound
   644                              <1> @@:
   645                              <1>  %else
   646 000007CE 7403E93CFF          <1> 	jne .codenotfound
   647                              <1>  %endif
   648                              <1> %endif
   649 000007D3 57                  <1> 	push di
   650 000007D4 51                  <1> 	push cx
   651 000007D5 56                  <1> 	push si
   652 000007D6 262B7F12            <1> 	sub di, word [es:bx + eldlCodePrefixes]	; = double index, 1-based
   653 000007DA 4F                  <1> 	dec di
   654 000007DB 4F                  <1> 	dec di				; 0-based
   655 000007DC 26037F14            <1> 	add di, word [es:bx + eldlCodeEntries]	; -> entry
   656 000007E0 268B3D              <1> 	mov di, [es:di]			; -> counted suffix/string
   657 000007E3 B500                <1> 	mov ch, 0
   658 000007E5 8A0C                <1> 	mov cl, byte [si]		; cx = length
   659 000007E7 41                  <1> 	inc cx
   660                              <1> 	; cmp al, al			; ZR if length is zero
   661 000007E8 F3A6                <1> 	repe cmpsb			; match ?
   662 000007EA 5E                  <1> 	pop si
   663 000007EB 59                  <1> 	pop cx
   664 000007EC 5F                  <1> 	pop di
   665 000007ED 75DA                <1> 	jne .coderelocfind
   666 000007EF 8814                <1> 	mov byte [si], dl
   667 000007F1 262B7F12            <1> 	sub di, word [es:bx + eldlCodePrefixes]	; = double index, 1-based
   668 000007F5 4F                  <1> 	dec di
   669 000007F6 4F                  <1> 	dec di				; 0-based
   670 000007F7 01FF                <1> 	add di, di			; quadruple index
   671 000007F9 26037F16            <1> 	add di, word [es:bx + eldlCodeAddresses]	; -> address (offset, segment)
   672 000007FD 26FF35              <1> 	push word [es:di]
   673 00000800 C576EE              <1> 	lds si, [bp + ?entry]
   674 00000803 8F4405              <1> 	pop word [si + 3 + 2]		; call near imm (3), jmp short (2)
   675                              <1> 					;  patch the destination address
   676 00000806 803CE8              <1> 	cmp byte [si], 0E8h		; is it as expected ?
   677 00000809 751D                <1> 	jne .error_j
   678 0000080B 268B7D02            <1> 	mov di, word [es:di + 2]
   679 0000080F BB[0000]            <1> 	mov bx, relocateddata
   680                              <1> linkdatarelocation linkcall_table	; ss:bx -> link call table
   681 00000812 36833F01            <1> 	cmp word [ss:bx], 1		; is it initialised to format 1 ?
   682 00000816 7510                <1> 	jne .error_j			; no -->
   683 00000818 368B4F02            <1> 	mov cx, word [ss:bx + 2]	; get amount of segments
   684 0000081C E30A                <1> 	jcxz .error_j			; none -->
   685                              <1> @@:
   686 0000081E 83C304              <1> 	add bx, 4			; -> next segment
   687 00000821 36393F              <1> 	cmp word [ss:bx], di		; value matches ?
   688 00000824 7405                <1> 	je @F				; yes, found -->
   689 00000826 E2F6                <1> 	loop @B				; try remaining segments
   690                              <1> .error_j:
   691 00000828 E98A00              <1> 	jmp .error
   692                              <1> 
   693                              <1> @@:
   694 0000082B 368B5F02            <1> 	mov bx, word [ss:bx + 2]	; -> call destination offset
   695                              <1> 		; si + 3 + delta = bx
   696                              <1> 		; delta = bx - si - 3
   697 0000082F 29F3                <1> 	sub bx, si
   698 00000831 83EB03              <1> 	sub bx, 3
   699 00000834 895C01              <1> 	mov word [si + 1], bx		; patch the call instruction
   700 00000837 E96AFF              <1> 	jmp .coderelocloop
   701                              <1> 
   702                              <1> .donecodereloc:
   703                              <1> %if _ELD_LINKER_PASSES
   704 0000083A 8B46E8              <1> 	mov ax, word [bp + ?amounterrors]
   705 0000083D 85C0                <1> 	test ax, ax
   706 0000083F 75E7                <1> 	jnz .error_j
   707 00000841 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   708 00000844 85DB                <1> 	test bx, bx
   709 00000846 750B                <1> 	jnz @F
   710 00000848 43                  <1> 	inc bx
   711 00000849 43                  <1> 	inc bx
   712 0000084A 895EEA              <1> 	mov word [bp + ?pass], bx
   713 0000084D 8B56FC              <1> 	mov dx, word [bp + ?instance]
   714 00000850 E98DFD              <1> 	jmp .pass
   715                              <1> 
   716                              <1> @@:
   717                              <1> %endif
   718                              <1> 
   719                              <1> %ifnidni _LISTING, ""
   720                              <1> %assign ELDLINKER 0
   721                              <1> .hint:
   722 00000853 16                  <1> 	push ss
   723 00000854 1F                  <1> 	pop ds
   724 00000855 B02D                <1> 	mov al, 2Dh
   725 00000857 E8[0000]EB020000    <1> 	extcall intchk			; ZR if offset = -1 or segment = 0
   726                              <1> 					; CHG: ax, dx, bx
   727 0000085E 7437                <1> 	jz .no_hint
   728                              <1> 
   729 00000860 8A26[0000]          <1> 	mov ah, byte [relocateddata]
   730                              <1> linkdatarelocation try_debugger_amis_multiplex_number
   731 00000864 E85500              <1> 	call plex_check
   732 00000867 7305                <1> 	jnc @F
   733                              <1> 
   734 00000869 B4FF                <1> 	mov ah, 0FFh		; start with multiplex number 0FFh
   735                              <1> .loop_hint:
   736 0000086B E84E00              <1> 	call plex_check
   737                              <1> @@:
   738 0000086E 7307                <1> 	jnc .end_hint		; if found --> (NC)
   739 00000870 80EC01              <1> 	sub ah, 1		; search is backward (to find latest installed first), from 0FFh to 00h including
   740 00000873 73F6                <1> 	jnc .loop_hint		; try next if we didn't check all yet -->
   741 00000875 EB20                <1> 	jmp .no_hint
   742                              <1> 
   743                              <1> .end_hint:
   744 00000877 50                  <1> 	push ax
   745 00000878 C446FC              <1> 	les ax, [bp + ?instance]
   746 0000087B BF[CF0B]            <1> 	mov di, listmsg.hint.offset
   747                              <1> internalcoderelocation
   748 0000087E E8[0000]EB020000    <1> 	extcall hexword
   749 00000885 BB[B20B]            <1> 	mov bx, listmsg.hint
   750                              <1> internalcoderelocation
   751 00000888 368B16[0000]        <1> 	mov dx, [ss:relocateddata]
   752                              <1> linkdatarelocation extseg	; must be 86 Mode segment even in PM
   753 0000088D 58                  <1> 	pop ax
   754 0000088E B040                <1> 	mov al, 40h		; AMIS message display service
   755 00000890 E8[0000]EB020000    <1> 	extcall call_int2D
   756                              <1> .no_hint:
   757                              <1> %endif
   758                              <1> 
   759                              <1> %if ELDOTHER
   760                              <1> %assign ELDLINKER 0
   761                              <1> 	not byte [bp + ?other]
   762                              <1> 
   763                              <1> 	push ss
   764                              <1> 	pop ds
   765                              <1> 	mov al, 2Dh
   766                              <1> 	extcall intchk			; ZR if offset = -1 or segment = 0
   767                              <1> 					; CHG: ax, dx, bx
   768                              <1> 	jz .no_other
   769                              <1> 
   770                              <1> 	mov ah, byte [relocateddata]
   771                              <1> linkdatarelocation try_debugger_amis_multiplex_number
   772                              <1> 	call plex_check
   773                              <1> 	jnc @F
   774                              <1> 
   775                              <1> 	mov ah, 0FFh		; start with multiplex number 0FFh
   776                              <1> .loop_other:
   777                              <1> 	call plex_check
   778                              <1> @@:
   779                              <1> 	jnc .end_other		; if found --> (NC)
   780                              <1> 	sub ah, 1		; search is backward (to find latest installed first), from 0FFh to 00h including
   781                              <1> 	jnc .loop_other		; try next if we didn't check all yet -->
   782                              <1> 	jmp .no_other
   783                              <1> 
   784                              <1> .end_other:
   785                              <1> 	mov al, 42h		; AMIS get other link info service
   786                              <1> 	extcall call_int2D
   787                              <1> 	cmp al, 0FFh
   788                              <1> 	jne .no_other
   789                              <1> 
   790                              <1> 	mov ax, si		; selector => PSP
   791                              <1> 	extcall ispm
   792                              <1> 	jz @F
   793                              <1> 	mov ax, dx		; segment => PSP
   794                              <1> @@:
   795                              <1> 	 push ss
   796                              <1> 	 pop ds
   797                              <1> 	mov word [otherds], ax
   798                              <1> internaldatarelocation		; current mode sel/seg
   799                              <1> 	mov word [otherseg], dx
   800                              <1> internaldatarelocation		; remember segment
   801                              <1> 
   802                              <1> 	mov ax, cx		; selector => link info
   803                              <1> 	extcall ispm
   804                              <1> 	jz @F
   805                              <1> 	mov ax, bx		; segment => link info
   806                              <1> @@:
   807                              <1> 	mov word [bp + ?linkinfo_other], di
   808                              <1> 	mov word [bp + ?linkinfo_other + 2], ax
   809                              <1> 
   810                              <1> 	mov ds, ax		; => link info
   811                              <1> 	xor ax, ax
   812                              <1> 	cmp word [di + eldlSignature], 0E1D1h
   813                              <1> 	jne .error_other
   814                              <1> 	cmp word [di + eldlUseLinkHash], 1
   815                              <1> 	ja .error_other
   816                              <1> 	jb @F
   817                              <1> 	dec ax
   818                              <1> @@:
   819                              <1> 	mov word [bp + ?use_hash_other], ax
   820                              <1> 
   821                              <1> 	mov dx, word [bp + ?instance]
   822                              <1> 	add dx, linkerotherdatarelocations - code
   823                              <1> 	jmp .otherloop
   824                              <1> 
   825                              <1> .error_other:
   826                              <1> 	push cs
   827                              <1> 	pop ds
   828                              <1> 	mov ax, 0E33h
   829                              <1> 	extcall setrc
   830                              <1> 	mov dx, lmsg.error_other
   831                              <1> internalcoderelocation
   832                              <1> 	jmp @F
   833                              <1> 
   834                              <1> .no_other:
   835                              <1> 	push cs
   836                              <1> 	pop ds
   837                              <1> 	mov ax, 0E34h
   838                              <1> 	extcall setrc
   839                              <1> 	mov dx, lmsg.no_other
   840                              <1> internalcoderelocation
   841                              <1> @@:
   842                              <1> 	extcall putsz
   843                              <1> .error_j2:
   844                              <1> 	jmp .error
   845                              <1> 
   846                              <1> .otherdone:
   847                              <1>  %if _ELD_LINKER_PASSES
   848                              <1> 	mov ax, word [bp + ?amounterrors]
   849                              <1> 	test ax, ax
   850                              <1> 	jnz .error_j2
   851                              <1>  %endif
   852                              <1> %endif
   853                              <1> 
   854 00000897 5B                  <1> 	pop bx				; -> our heap data
   855 00000898 5E                  <1> 	pop si				; -> our command line tail
   856 00000899 16                  <1> 	 push ss
   857 0000089A 1F                  <1> 	 pop ds
   858 0000089B C47EFC              <1> 	les di, [bp + ?instance]
   859 0000089E 268B4502            <1> 	mov ax, word [es:di + eldiEndCode]
   860                              <1> houdini
   861 000008A2 2D[C005]            <1> 	sub ax, strict word endresident + code
   862                              <1> internalcoderelocation
   863 000008A5 26C74502[C005]      <1> 	mov word [es:di + eldiEndCode], endresident + code
   864                              <1> internalcoderelocation
   865 000008AB 2906[0000]          <1> 	sub word [relocateddata], ax
   866                              <1> linkdatarelocation extseg_used
   867                              <1> %if _DATA_SIZE == 0
   868                              <1> 	xor ax, ax
   869                              <1> 	mov word [es:di + eldiStartData], ax
   870                              <1> 	mov word [es:di + eldiEndData], ax
   871                              <1> %endif
   872 000008AF 89EC5D              <1> 	lleave code
   873                              <1> 		; INP:	es => ELD code segment
   874                              <1> 		;	ds:si -> command line tail
   875                              <1> 		;	ds:bx -> ELD data block
   876                              <1> 		;	ss:sp -> far return address for current mode
   877                              <1> 		; STT:	ds = ss, UP, EI
   878 000008B2 E95BFC              <1> 	jmp start
   879                              <1> 
   880                              <1> .error:
   881 000008B5 89EC5D              <1> 	lleave
   882 000008B8 B8FFFF              <1> 	mov ax, -1
   883 000008BB CB                  <1> 	retf
   884                              <1> 
   885                              <1> 
   886                              <1> %ifnidni _LISTING, ""
   887                              <1>  %assign ELDHINT 1
   888                              <1> %else
   889                              <1>  %assign ELDHINT 0
   890                              <1> %endif
   891                              <1> 
   892                              <1> %if ELDOTHER || ELDHINT
   893                              <1> 		; INP:	ah = multiplex number to check
   894                              <1> 		; OUT:	CY if multiplex number unused or no signature match,
   895                              <1> 		;	 bp, ah, ds unmodified
   896                              <1> 		;	NC if match found,
   897                              <1> 		;	 ah = multiplex number (unmodified)
   898                              <1> 		; CHG:	si, di, es, cx, dx
   899                              <1> plex_check:
   900 000008BC 16                  <1> 	push ss
   901 000008BD 1F                  <1> 	pop ds
   902 000008BE F606[0000]08        <1> 	testopt [relocateddata], 8
   903                              <1> linkdatarelocation internalflags4, -3
   904 000008C3 740B                <1> 	jz @F
   905 000008C5 BE[0000]            <1> 	mov si, relocateddata
   906                              <1> linkdatarelocation amis_multiplex_number, -2, optional
   907 000008C8 85F6                <1> 	test si, si
   908 000008CA 7404                <1> 	jz @F
   909 000008CC 3A24                <1> 	cmp ah, byte [si]
   910 000008CE 7420                <1> 	je .notfound		; do not use our own multiplexer -->
   911                              <1> @@:
   912 000008D0 B000                <1> 	mov al, 00h		; AMIS installation check
   913 000008D2 E8[0000]EB020000    <1> 	extcall call_int2D	; AMIS (or "DOS reserved" = iret if no AMIS present)
   914 000008D9 3CFF                <1> 	cmp al, 0FFh
   915 000008DB 7513                <1> 	jne .notfound
   916 000008DD 0E                  <1> 	push cs
   917 000008DE 1F                  <1> 	pop ds
   918 000008DF BE[A20B]            <1> 	mov si, debuggeramissig	; ds:si -> our AMIS name strings
   919                              <1> internalcoderelocation
   920 000008E2 E8[0000]EB020000    <1> 	extcall setes2dx	; es:di -> name strings of AMIS multiplexer that just answered
   921 000008E9 B90800              <1> 	mov cx, 8		; Ignore description, only compare vendor and program name
   922 000008EC F3A7                <1> 	repe cmpsw
   923 000008EE 7401                <1> 	je .checkret		; ZR, NC = match -->
   924                              <1> .notfound:
   925 000008F0 F9                  <1> 	stc			; CY no match
   926                              <1> .checkret:
   927 000008F1 C3                  <1> 	retn
   928                              <1> %endif
   929                              <1> 
   930                              <1> 
   931 000008F2 00<rep 2h>          <1> 	align 4, db 0
   932                              <1> linkercoderelocations:
   933                              <1> %if _ELDCALL_OPTIONAL
   934                              <1> 	dw ELDCALL_CODE_RELOCATIONS_OPTIONAL, 0
   935                              <1> %else
   936 000008F4 2200[D70B]6804-     <1> 	dw ELDCALL_CODE_RELOCATIONS, 0, 0
   936 000008FA [E60B]7004[F20B]78- <1>
   936 00000901 04[FE0B]8004[050C]- <1>
   936 00000908 8804[0E0C]9004-     <1>
   936 0000090E [160C]9804[1E0C]A0- <1>
   936 00000915 04[250C]A804[300C]- <1>
   936 0000091C B004[3B0C]B804-     <1>
   936 00000922 [460C]C004[4F0C]C8- <1>
   936 00000929 04[590C]D004[630C]- <1>
   936 00000930 D804[6F0C]E004-     <1>
   936 00000936 [770C]E804[7F0C]F0- <1>
   936 0000093D 04[890C]F804[940C]- <1>
   936 00000944 0005[9E0C]0805-     <1>
   936 0000094A [AE0C]6105[050C]57- <1>
   936 00000951 08[D70C]7E08[590C]- <1>
   936 00000958 9008[E00C]D208-     <1>
   936 0000095E [E00C]E208[250C]00- <1>
   936 00000965 000000              <1>
   937                              <1> %endif
   938                              <1> 
   939                              <1> %if _ELD_LINKER_PASSES
   940                              <1> linkerlinkercoderelocations:
   941                              <1> %if _ELDCALL_OPTIONAL
   942                              <1> 	dw ELDCALL_LINKER_CODE_RELOCATIONS_OPTIONAL, 0
   943                              <1> %else
   944 00000968 3207[590C]4E07-     <1> 	dw ELDCALL_LINKER_CODE_RELOCATIONS, 0, 0
   944 0000096E [9E0C]5807[160C]61- <1>
   944 00000975 07[BA0C]00000000    <1>
   945                              <1> %endif
   946                              <1> 
   947                              <1> 	align 2, db 0
   948                              <1> linktable:
   949                              <1> 	istruc LINKTABLE
   950                              <1> at ltCodeToCode
   951 0000097C 920B                <1> 	dw internallinkercodetocoderelocations - code
   952 0000097E 500A                <1> 	dw internalcodetocoderelocations - code
   953                              <1> at ltCodeToData
   954 00000980 9C0B                <1> 	dw internallinkercodetodatarelocations - code
   955 00000982 720A                <1> 	dw internalcodetodatarelocations - code
   956                              <1> at ltDataToCode
   957 00000984 9E0B                <1> 	dw internallinkerdatatocoderelocations - code
   958 00000986 D80A                <1> 	dw internaldatatocoderelocations - code
   959                              <1> at ltDataToData
   960 00000988 A00B                <1> 	dw internallinkerdatatodatarelocations - code
   961 0000098A DA0A                <1> 	dw internaldatatodatarelocations - code
   962                              <1> at ltLinkData
   963 0000098C 7E0B                <1> 	dw linkerlinkerdatarelocations - code
   964 0000098E 9409                <1> 	dw linkerdatarelocations - code
   965                              <1> at ltLinkCode
   966 00000990 6809                <1> 	dw linkerlinkercoderelocations - code
   967 00000992 F408                <1> 	dw linkercoderelocations - code
   968                              <1> 	iend
   969                              <1> %endif
   970                              <1> 
   971                              <1> 	align 2, db 0
   972                              <1> linkerdatarelocations:
   973 00000994 01004700[ED0C]0100- <1> 	dw LINK_DATA_RELOCATIONS, 0
   973 0000099C 4900[F70C]01004C00- <1>
   973 000009A4 [000D]01006A00-     <1>
   973 000009AA [100D]01008E00-     <1>
   973 000009B0 [100D]0100CD00-     <1>
   973 000009B6 [260D]0100D600-     <1>
   973 000009BC [310D]01006801-     <1>
   973 000009C2 [3A0D]01005102-     <1>
   973 000009C8 [3A0D]01005B02-     <1>
   973 000009CE [4A0D]01006B02-     <1>
   973 000009D4 [3A0D]0100A802-     <1>
   973 000009DA [530D]0100AC02-     <1>
   973 000009E0 [530D]01001D03-     <1>
   973 000009E6 [5C0D]0100B203-     <1>
   973 000009EC [3A0D]01003004-     <1>
   973 000009F2 [530D]01003404-     <1>
   973 000009F8 [530D]01001905-     <1>
   973 000009FE [670D]01004005-     <1>
   973 00000A04 [750D]01005005-     <1>
   973 00000A0A [800D]01005D05-     <1>
   973 00000A10 [8E0D]01007405-     <1>
   973 00000A16 [800D]01008005-     <1>
   973 00000A1C [8E0D]01008405-     <1>
   973 00000A22 [100D]01009F05-     <1>
   973 00000A28 [100D]0100A505-     <1>
   973 00000A2E [750D]01006208-     <1>
   973 00000A34 [AE0D]01008B08-     <1>
   973 00000A3A [310D]0100AD08-     <1>
   973 00000A40 [800D]0100C008-     <1>
   973 00000A46 [D30D]0101C608-     <1>
   973 00000A4C [E40D]0000          <1>
   974                              <1> 
   975                              <1> 	align 2, db 0
   976                              <1> internalcodetocoderelocations:
   977 00000A50 6500B20047054C0554- <1> 	dw INTERNAL_CODE_TO_CODE_RELOCATIONS, 0
   977 00000A59 05590570057C058705- <1>
   977 00000A62 9A05A1057C088608A3- <1>
   977 00000A6B 08A908E0080000      <1>
   978                              <1> 
   979                              <1> 	align 2, db 0
   980                              <1> internalcodetodatarelocations:
   981 00000A72 3400B600C700DB00DD- <1> 	dw INTERNAL_CODE_TO_DATA_RELOCATIONS, 0
   981 00000A7B 00E200E500E800F100- <1>
   981 00000A84 FE000001030113012C- <1>
   981 00000A8D 0132013C0141015001- <1>
   981 00000A96 850189018F01970112- <1>
   981 00000A9F 021F0226022F023B02- <1>
   981 00000AA8 44027D028202B802C8- <1>
   981 00000AB1 02CD02D002D302D902- <1>
   981 00000ABA E002EE02F102F802FE- <1>
   981 00000AC3 020403220315041904- <1>
   981 00000ACC 4C045A0421053605AB- <1>
   981 00000AD5 050000              <1>
   982                              <1> 
   983                              <1> 	align 2, db 0
   984                              <1> internaldatatocoderelocations:
   985 00000AD8 FFFF                <1> 	dw INTERNAL_DATA_TO_CODE_RELOCATIONS, -1
   986                              <1> 
   987                              <1> 	align 2, db 0
   988                              <1> internaldatatodatarelocations:
   989 00000ADA 000006000A000C0010- <1> 	dw INTERNAL_DATA_TO_DATA_RELOCATIONS, -1
   989 00000AE3 001200160018001C00- <1>
   989 00000AEC 1E002200240028002A- <1>
   989 00000AF5 002E00300034003600- <1>
   989 00000AFE 3A003C004000420046- <1>
   989 00000B07 0048004C004E005200- <1>
   989 00000B10 540058005A005E0060- <1>
   989 00000B19 00640066006A006C00- <1>
   989 00000B22 7000740078007A007E- <1>
   989 00000B2B 008000840086008A00- <1>
   989 00000B34 8C0090009200960098- <1>
   989 00000B3D 009C009E00A200A400- <1>
   989 00000B46 A800AC00B000B200B6- <1>
   989 00000B4F 00B800BC00BE00C200- <1>
   989 00000B58 C400C800CA00CE00D0- <1>
   989 00000B61 00D400D600DA00DC00- <1>
   989 00000B6A E000E200E600EA00EC- <1>
   989 00000B73 00F000F200F600F800- <1>
   989 00000B7C FFFF                <1>
   990                              <1> 
   991                              <1> %if _ELD_LINKER_PASSES
   992                              <1> 	align 2, db 0
   993                              <1> linkerlinkerdatarelocations:
   994 00000B7E 0100EA06[750D]0100- <1> 	dw LINK_LINKER_DATA_RELOCATIONS, 0
   994 00000B86 2907[5C0D]01001008- <1>
   994 00000B8E [9D0D]0000          <1>
   995                              <1> 
   996                              <1> 	align 2, db 0
   997                              <1> internallinkercodetocoderelocations:
   998 00000B92 F006FF0610073B0700- <1> 	dw INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, 0
   998 00000B9B 00                  <1>
   999                              <1> 
  1000                              <1> 	align 2, db 0
  1001                              <1> internallinkercodetodatarelocations:
  1002 00000B9C 0000                <1> 	dw INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, 0
  1003                              <1> 
  1004                              <1> 	align 2, db 0
  1005                              <1> internallinkerdatatocoderelocations:
  1006 00000B9E FFFF                <1> 	dw INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, -1
  1007                              <1> 
  1008                              <1> 	align 2, db 0
  1009                              <1> internallinkerdatatodatarelocations:
  1010 00000BA0 FFFF                <1> 	dw INTERNAL_LINKER_DATA_TO_DATA_RELOCATIONS, -1
  1011                              <1> %endif
  1012                              <1> 
  1013                              <1> %if ELDOTHER
  1014                              <1> 	align 2, db 0
  1015                              <1> linkerotherdatarelocations:
  1016                              <1> 	dw LINK_OTHER_DATA_RELOCATIONS, 0
  1017                              <1> 
  1018                              <1>  %ifnidn LINK_OTHER_LINKER_DATA_RELOCATIONS, ""
  1019                              <1>   %error Other linker data links not supported
  1020                              <1>  %endif
  1021                              <1> %endif
  1022                              <1> 
  1023                              <1> %if ELDOTHER || ELDHINT
  1024                              <1> 	align 2, db 0
  1025                              <1> debuggeramissig:
  1026 00000BA2 65636D20<rep 5h>    <1> 		fill 8, 32, db "ecm"
  1027 00000BAA 6C446562756720-     <1> 		fill 8, 32, db "lDebug"
  1027 00000BAA <rep 2h>            <1>
  1028                              <1> %endif
  1029                              <1> 
  1030                              <1> %ifnidni _LISTING, ""
  1031                              <1> listmsg:
  1032 00000BB2 547261634C6973742D- <1> .hint:		db "TracList-add-offset=",_LISTING,"::"
  1032 00000BBB 6164642D6F66667365- <1>
  1032 00000BC4 743D6470622E6C7374- <1>
  1032 00000BCD 3A3A                <1>
  1033 00000BCF 2D2D2D2D680D0A00    <1> .hint.offset:	asciz "----h",13,10
  1034                              <1> %endif
  1035                              <1> 
  1036 00000BD7 30CD0C636D64335F6E- <1> 	eldcall_dump_names ELDCALL_CODE_NAMES
  1036 00000BE0 6F745F657874D55509- <1>
  1036 00000BE9 736B6970636F6D6D61- <1>
  1036 00000BF2 03C309697373747269- <1>
  1036 00000BFB 6E673FBABD04636D64- <1>
  1036 00000C04 33DDB90663686B656F- <1>
  1036 00000C0D 6C551205707574737A- <1>
  1036 00000C16 B21205736574726328- <1>
  1036 00000C1F 90046973706DB77408- <1>
  1036 00000C28 7365746573326478F2- <1>
  1036 00000C31 E70867657461646472- <1>
  1036 00000C3A 586831085F646F7363- <1>
  1036 00000C43 616C6CE83A06697365- <1>
  1036 00000C4C 6F6C3F3D8207676574- <1>
  1036 00000C55 627974658481076865- <1>
  1036 00000C5E 78776F7264A4550973- <1>
  1036 00000C67 6B6970636F6D6D3062- <1>
  1036 00000C70 9605496E444F53A7AA- <1>
  1036 00000C79 056572726F72821B07- <1>
  1036 00000C82 68657862797465AD11- <1>
  1036 00000C8B 0864656364776F7264- <1>
  1036 00000C94 EBA607646563776F72- <1>
  1036 00000C9D 646FA20D707574736C- <1>
  1036 00000CA6 696E655F63726C66F1- <1>
  1036 00000CAF 230975707065726361- <1>
  1036 00000CB8 7365D0BB1A636F7079- <1>
  1036 00000CC1 5F73696E676C655F63- <1>
  1036 00000CCA 6F756E7465645F7374- <1>
  1036 00000CD3 72696E67986906696E- <1>
  1036 00000CDC 7463686B21300A6361- <1>
  1036 00000CE5 6C6C5F696E743244    <1>
  1037 00000CED C30B076C617374636D- <1> 	link_data_dump_names LINK_DATA_NAMES
  1037 00000CF6 646B5D06646D79636D- <1>
  1037 00000CFF 6454400D6D73672E75- <1>
  1037 00000D08 6E696E7374616C6C97- <1>
  1037 00000D11 B6136578745F636F6D- <1>
  1037 00000D1A 6D616E645F68616E64- <1>
  1037 00000D23 6C6572EB4208657874- <1>
  1037 00000D2C 647373656CD52D0665- <1>
  1037 00000D35 7874736567899F0D69- <1>
  1037 00000D3E 6E7465726E616C666C- <1>
  1037 00000D47 6167735B3B06726567- <1>
  1037 00000D50 5F6473FDFC06707370- <1>
  1037 00000D59 64626784E3086C696E- <1>
  1037 00000D62 655F6F75748D710B6D- <1>
  1037 00000D6B 73672E696E7374616C- <1>
  1037 00000D74 6C5ABC086F7074696F- <1>
  1037 00000D7D 6E7337E7D30B657874- <1>
  1037 00000D86 7365675F75736564B2- <1>
  1037 00000D8F 400C65787464617461- <1>
  1037 00000D98 5F7573656468440E6C- <1>
  1037 00000DA1 696E6B63616C6C5F74- <1>
  1037 00000DAA 61626C65F09E227472- <1>
  1037 00000DB3 795F64656275676765- <1>
  1037 00000DBC 725F616D69735F6D75- <1>
  1037 00000DC5 6C7469706C65785F6E- <1>
  1037 00000DCE 756D626572CB510E69- <1>
  1037 00000DD7 6E7465726E616C666C- <1>
  1037 00000DE0 61677334688C15616D- <1>
  1037 00000DE9 69735F6D756C746970- <1>
  1037 00000DF2 6C65785F6E756D6265- <1>
  1037 00000DFB 72                  <1>
  1038                              <1> %if ELDOTHER
  1039                              <1> 	link_data_dump_names LINK_OTHER_DATA_NAMES
  1040                              <1> %endif
  1041                              <1> 
  1042                              <1> lmsg:
  1043                              <1> %if _ELD_LINKER_PASSES
  1044                              <1> %if _ELDCALL_OPTIONAL
  1045                              <1> .warning_code_optional:		counted "Optional code link missing, hash="
  1046                              <1> %endif
  1047 00000DFC 214F7074696F6E616C- <1> .warning_data_optional:		counted "Optional data link missing, hash="
  1047 00000E05 2064617461206C696E- <1>
  1047 00000E0E 6B206D697373696E67- <1>
  1047 00000E17 2C20686173683D      <1>
  1048 00000E1E 1844617461206C696E- <1> .error_data:			counted "Data link missing, hash="
  1048 00000E27 6B206D697373696E67- <1>
  1048 00000E30 2C20686173683D      <1>
  1049 00000E37 18436F6465206C696E- <1> .error_code:			counted "Code link missing, hash="
  1049 00000E40 6B206D697373696E67- <1>
  1049 00000E49 2C20686173683D      <1>
  1050 00000E50 0A682C206C6162656C- <1> .error.2:			counted "h, label ",'"'
  1050 00000E59 2022                <1>
  1051                              <1> %endif
  1052                              <1> %if ELDOTHER
  1053                              <1> .no_other:		asciz "ELD linker: No other link info found!",13,10
  1054                              <1> .error_other:		asciz "ELD linker: Other link info unknown format!",13,10
  1055                              <1> %endif
  1056                              <1> 
  1057 00000E5B 00<rep 5h>          <1> 	align 16, db 0
  1186                                  
  1187                                  	align 16
  1188                                  code_size equ $ - code
