     1                                  
     2                                  ; Public Domain
     3                                  
     4                                  ; test install command: install; s cs:0 l 10000 "%prompt%"; variables uninstall
     5                                  ; test run command: display ext printf.eld "%%s\r\n" start "%comspec%" end; .; .
     6                                  ; test run command:     run ext printf.eld "%%s\r\n" start "%comspec%" end; .; .
     7                                  
     8                                  %include "lmacros3.mac"
     1                              <1> [list -]
    14                              <2> [list -]
    14                              <1> [list -]
     9                                  %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
    10                                  %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
    11                                  %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
    12                                  
    13                                  	cpu 8086
    14                                  
    15                                  	addsection RELOCATEDDATA, nobits vstart=_ELD_RELOC_VSTART
    16                                  relocateddata:
    17                                  
    18                                  	addsection HEADER, start=0
    19                                  
    20                                  	istruc ELD_HEADERX
    21                                  at eldhxHeader
    22                                  		; ELD executable header
    23                                  	istruc ELD_HEADER
    24 00000000 454C4431                at eldhSignature,	db "ELD1"
    25 00000004 000000                  			db 0,0,0
    26 00000007 1A                      			db 26
    27 00000008 60000000                at eldhCodeOffset,	dd CODEOFFSET
    28 0000000C B00D                    at eldhCodeImageLength,	dw code_size
    29 0000000E 0000                    at eldhCodeAllocLength,	dw 0
    30 00000010 100E0000                at eldhDataOffset,	dd DATAOFFSET
    31 00000014 7001                    at eldhDataImageLength,	dw data_size
    32 00000016 4000                    at eldhDataAllocLength,	dw total_data_size - data_size
    33 00000018 8505                    at eldhCodeEntrypoint,	dw linker - code
    34                                  at eldhReserved
    35 0000001A 00<rep 4h>2800          at eldhExtensionSize,	dw header_extension_end - $$
    36                                  	iend
    37 00000020 [30000000]              at eldhxDescriptionOffset,	dd description
    38 00000024 DA0E0000                at eldhxHelpOffset,		dd DATAOFFSET + msg.help - datastart
    39                                  PUT_ELDHX_DATETIME_OFFSET
    40                                  header_extension_end:
    41 00000028 00<rep 8h>              	iend
    42                                  
    43 00000030 457870616E6420656E-     description:		asciz "Expand environment variables in commands."
    43 00000039 7669726F6E6D656E74-
    43 00000042 207661726961626C65-
    43 0000004B 7320696E20636F6D6D-
    43 00000054 616E64732E00       
    44                                  
    45                                  
    46 0000005A 00<rep 6h>              	align 16, db 0
    47                                  
    48                                  CODEOFFSET equ $ - $$
    49                                  	addsection CODE, follows=HEADER vstart=_ELD_CODE_VSTART
    50                                  %define CODEFIXUP - code + 0
    51                                  code:
    52                                  code_start:
    53                                  		; ELD instance header
    54                                  	istruc ELD_INSTANCE
    55                                  at eldiStartCode
    56 00000000 00<rep 2h>              at eldiEndCode
    57 00000002 00<rep 2h>              at eldiStartData
    58 00000004 00<rep 2h>              at eldiEndData
    59 00000006 00<rep 2h>56415249-     at eldiIdentifier,	fill 8, 32, db "VARIABLE"
    59 0000000C 41424C45           
    60 00000010 00<rep 2h>76617269-     at eldiListing,		asciz _ELD_LISTING
    60 00000016 61626C652E6C737400 
    61 0000001F 00                      	iend
    62                                  
    63                                  
    64                                  DATAOFFSET equ CODEOFFSET + code_size
    65                                  	addsection DATA, follows=CODE vstart=_ELD_DATA_VSTART
    66                                  %define DATAFIXUP - datastart + 0
    67                                  datastart:
    68                                  PUT_ELD_DATETIME
    69                                  
    70                                  
    71                                  	usesection CODE
    72                                  
    73                                  preprocess:
    74 00000020 EB08                    	jmp strict short .entry
    75                                  .chain:
    76 00000022 E8[0000]EB020000        	extcall cmd3_preprocessed, required	; must NOT be extcallcall
    77 00000029 90                      	times 10 - ($ - preprocess) nop
    78                                  .entry:
    79 0000002A 56                      	push si
    80 0000002B 3C2D                    	cmp al, '-'
    81 0000002D 7503                    	jne @F
    82 0000002F E86603                  	extcallcall skipcomma
    83                                  @@:
    84 00000032 4E                      	dec si
    85                                  
    86 00000033 BA[0B00]                	mov dx, msg.variable
    87                                  internaldatarelocation
    88 00000036 E86703                  	extcallcall isstring?
    89 00000039 7408                    	je .shortname
    90 0000003B BA[0100]                	mov dx, msg.variables
    91                                  internaldatarelocation
    92 0000003E E85F03                  	extcallcall isstring?
    93 00000041 752B                    	jne @F
    94                                  .shortname:
    95 00000043 E85203                  	extcallcall skipcomma
    96 00000046 4E                      	dec si
    97 00000047 BA[0000]                	mov dx, relocateddata
    98                                  linkdatarelocation msg.uninstall
    99 0000004A E85303                  	extcallcall isstring?
   100 0000004D 7503E9CA02              	je uninstall
   101 00000052 B3FF                    	mov bl, 0FFh
   102 00000054 BA[9B00]                	mov dx, msg.on
   103                                  internaldatarelocation
   104 00000057 E84603                  	extcallcall isstring?
   105 0000005A 747B                    	je set
   106 0000005C B300                    	mov bl, 0
   107 0000005E BA[9E00]                	mov dx, msg.off
   108                                  internaldatarelocation
   109 00000061 E83C03                  	extcallcall isstring?
   110 00000064 7471                    	je set
   111 00000066 BA[A200]                	mov dx, msg.run
   112                                  internaldatarelocation
   113 00000069 E83403                  	extcallcall isstring?
   114 0000006C 741F                    	je run_resident
   115                                  
   116                                  @@:
   117 0000006E 5E                      	pop si
   118 0000006F 4E                      	dec si
   119 00000070 D006[0000]              	rol byte [status], 1
   120                                  internaldatarelocation
   121 00000074 7203                    	jc @F
   122 00000076 AC                      	lodsb
   123 00000077 EBA9                    	jmp .chain
   124                                  
   125                                  @@:
   126 00000079 B9[FFFF]                	mov cx, relocateddata - 1
   127                                  linkdatarelocation line_in.end
   128 0000007C 31D2                    	xor dx, dx
   129 0000007E E86D00                  	call replace
   130 00000081 89F9                    	mov cx, di
   131 00000083 81E9[0300]              	sub cx, relocateddata + 2 + 1
   132                                  linkdatarelocation line_in
   133 00000087 880E[0100]              	mov byte [relocateddata + 1], cl
   134                                  linkdatarelocation line_in
   135 0000008B EB95                    	jmp .chain
   136                                  
   137                                  
   138                                  run_resident:
   139 0000008D E81803                  	extcallcall skipwhite
   140 00000090 4E                      	dec si				; -> unexpanded text
   141 00000091 BF[0200]                	mov di, relocateddata + 2
   142                                  linkdatarelocation line_in		; -> line_in buffer
   143                                  
   144 00000094 57                      	push di
   145 00000095 56                      	push si
   146 00000096 E84900                  	call geterrfix
   147 00000099 7412                    	jz @F
   148 0000009B 89F1                    	mov cx, si
   149 0000009D 29F9                    	sub cx, di			; = prefix length
   150 0000009F 89DF                    	mov di, bx			; -> columns destination
   151 000000A1 89DE                    	mov si, bx
   152 000000A3 01CE                    	add si, cx			; -> columns source
   153 000000A5 8D8F0001                	lea cx, [bx + 256]		; -> behind array
   154 000000A9 29F1                    	sub cx, si			; = maximum length array (source .. end)
   155 000000AB F3A4                    	rep movsb			; move it down
   156                                  @@:
   157 000000AD 5E                      	pop si
   158 000000AE 5F                      	pop di
   159                                  
   160 000000AF 57                      	push di
   161                                  @@:
   162 000000B0 AC                      	lodsb				; load next byte
   163 000000B1 AA                      	stosb				; store byte
   164 000000B2 3C0D                    	cmp al, 13			; CR ?
   165 000000B4 75FA                    	jne @B				; not yet -->
   166 000000B6 5E                      	pop si				; -> line_in buffer
   167                                  
   168 000000B7 B9[FFFF]                	mov cx, relocateddata - 1
   169                                  linkdatarelocation line_in.end
   170 000000BA 31D2                    	xor dx, dx
   171 000000BC E82F00                  	call replace
   172                                  
   173 000000BF BE[0200]                	mov si, relocateddata + 2
   174                                  linkdatarelocation line_in		; -> line_in buffer
   175 000000C2 56                      	push si
   176 000000C3 31C9                    	xor cx, cx			; = 0
   177 000000C5 A8                      	db __TEST_IMM8			; (skip inc)
   178                                  @@:
   179 000000C6 41                      	inc cx				; count
   180 000000C7 AC                      	lodsb
   181 000000C8 3C0D                    	cmp al, 13			; CR ?
   182 000000CA 75FA                    	jne @B				; not yet -->
   183 000000CC 5E                      	pop si				; -> line_in buffer
   184 000000CD 884CFF                  	mov byte [si - 1], cl		; set count
   185 000000D0 E8D502                  	extcallcall skipwhite		; load al = text byte, si -> next text
   186 000000D3 FF26[0000]              	jmp word [relocateddata]	; cannot be zero. may re-enter us
   187                                  linkdatarelocation ext_preprocess_handler
   188                                  
   189                                  
   190                                  set:
   191 000000D7 AC                      	lodsb
   192 000000D8 E8D502                  	extcallcall chkeol
   193 000000DB 881E[0000]              	mov byte [status], bl
   194                                  internaldatarelocation
   195 000000DF E8D602                  	extcallcall cmd3
   196                                  
   197                                  
   198                                  		; OUT:	ZR if no errfix.eld installed
   199                                  		;	NZ if it is installed,
   200                                  		;	 bx -> errfix array
   201                                  		; CHG:	bx
   202                                  geterrfix:
   203 000000E2 BB[0000]                	mov bx, relocateddata
   204                                  linkdatarelocation indirect_array_errfix, -2, optional
   205 000000E5 85DB                    	test bx, bx		; not supported ?
   206 000000E7 7402                    	jz @F
   207 000000E9 8B1F                    	mov bx, [bx]		; -> errfix.eld array, or 0
   208                                  @@:
   209 000000EB 85DB                    	test bx, bx
   210 000000ED C3                      	retn
   211                                  
   212                                  
   213                                  replace:
   214 000000EE C706[0000][0000]        reloc2	mov word [relocateddata], relocateddata
   215                                  linkdatarelocation lastcmd, -4
   216                                  linkdatarelocation dmycmd
   217 000000F4 E8C902                  	extcallcall yy_reset_buf
   218                                  	lframe none
   219 000000F7 5589E5                  	lenter
   220                                  	lvar word, end
   221 000000FA 51                      	 push cx
   222                                  	lvar word, start
   223 000000FB 56                      	 push si
   224 000000FC 31C9                    	xor cx, cx
   225                                  	lvar word, errfix_start
   226 000000FE E8E1FF                  	call geterrfix
   227 00000101 7406                    	jz @F
   228 00000103 83FAFF                  	cmp dx, -1
   229 00000106 7401                    	je @F
   230 00000108 49                      	dec cx
   231                                  @@:
   232 00000109 53                      	 push bx
   233                                  	lvar word, errfix_flag
   234 0000010A 51                      	 push cx
   235 0000010B 81EB[0200]              	sub bx, strict word relocateddata + 2
   236                                  linkdatarelocation line_in	; errfix array - start in line_in
   237                                  				; line_in pos + bx = pos + errfix array - line_in
   238 0000010F 01D3                    	add bx, dx
   239                                  	lvar word, errfix_delta
   240 00000111 53                      	 push bx
   241                                  
   242 00000112 89F1                    	mov cx, si
   243                                  loop:
   244 00000114 AC                      	lodsb
   245                                  .al:
   246 00000115 41                      	inc cx
   247 00000116 7503E94801              	jz toolong
   248 0000011B E8AA02                  	extcallcall iseol?.notsemicolon
   249 0000011E 7441                    	je end
   250 00000120 3C25                    	cmp al, '%'
   251 00000122 75F0                    	jne loop
   252 00000124 AC                      	lodsb
   253 00000125 3C25                    	cmp al, '%'
   254 00000127 74EB                    	je loop
   255                                  %if 0
   256                                  	extcallcall iseol?.notsemicolon
   257                                  	je end
   258                                  	cmp al, 32
   259                                  	je .al
   260                                  	cmp al, 9
   261                                  	je .al
   262                                  %endif
   263 00000129 E8BB01                  	call is_var_text
   264 0000012C 72E7                    	jc .al
   265 0000012E 49                      	dec cx
   266                                  
   267 0000012F 8D5CFF                  	lea bx, [si - 1]
   268 00000132 BF[0000]                	mov di, relocateddata
   269                                  linkdatarelocation line_out
   270                                  @@:
   271 00000135 E89802                  	extcallcall uppercase
   272 00000138 AA                      	stosb
   273 00000139 AC                      	lodsb
   274                                  %if 0
   275                                  	extcallcall iseol?.notsemicolon
   276                                  	je .not
   277                                  	cmp al, 32
   278                                  	je .not
   279                                  	cmp al, 9
   280                                  	je .not
   281                                  %endif
   282 0000013A E8AA01                  	call is_var_text
   283 0000013D 73F6                    	jnc @B
   284 0000013F 3C25                    	cmp al, '%'
   285 00000141 740D                    	je .getvar
   286                                  
   287                                  .not:
   288 00000143 F7DB                    	neg bx
   289 00000145 01F3                    	add bx, si
   290 00000147 01D9                    	add cx, bx
   291 00000149 7303E91501              	jc toolong
   292 0000014E EBC5                    	jmp .al
   293                                  
   294                                  .getvar:
   295 00000150 B03D                    	mov al, '='
   296 00000152 AA                      	stosb
   297 00000153 E82C01                  	call findvar
   298 00000156 16                      	push ss
   299 00000157 07                      	pop es
   300 00000158 01F9                    	add cx, di
   301 0000015A 7303E90401              	jc toolong
   302 0000015F EBB3                    	jmp loop
   303                                  
   304                                  end:
   305 00000161 8B76FC                  	mov si, word [bp + ?start]
   306 00000164 3B4EFE                  	cmp cx, word [bp + ?end]
   307 00000167 7603E9F700              	ja toolong
   308                                  
   309                                  writeloop:
   310                                  	lvar word, errfix_destination
   311 0000016C 89F2                    	 mov dx, si
   312 0000016E 0356F6                  	 add dx, word [bp + ?errfix_delta]
   313 00000171 52                      	 push dx
   314                                  	lvar word, errfix_source
   315 00000172 52                      	 push dx
   316 00000173 89F2                    	mov dx, si
   317 00000175 B90001                  	mov cx, 256
   318 00000178 29CC                    	sub sp, cx
   319 0000017A 16                      	push ss
   320 0000017B 07                      	pop es
   321 0000017C 89E7                    	mov di, sp
   322 0000017E 57                      	push di
   323 0000017F F3A4                    	rep movsb
   324 00000181 5E                      	pop si
   325 00000182 89D7                    	mov di, dx
   326 00000184 EB0B                    	jmp .loop_lod
   327                                  	; db __TEST_IMM8	; skip stosb
   328                                  .loop_inc:
   329 00000186 E85200                  	call .stosb_error
   330 00000189 FF46F2                  	inc word [bp + ?errfix_source]
   331 0000018C EB03                    	jmp .loop_lod
   332                                  .loop:
   333 0000018E E84A00                  	call .stosb_error
   334                                  .loop_lod:
   335 00000191 AC                      	lodsb
   336 00000192 EB07                    	jmp .chkeol
   337                                  	; db __TEST_IMM8	; skip stosb
   338                                  .percent_al:
   339 00000194 50                      	push ax
   340 00000195 B025                    	mov al, '%'
   341 00000197 E84100                  	call .stosb_error
   342 0000019A 58                      	pop ax
   343                                  .chkeol:
   344 0000019B E82A02                  	extcallcall iseol?.notsemicolon
   345 0000019E 7503E9A900              	je writeend
   346 000001A3 3C25                    	cmp al, '%'
   347 000001A5 75E7                    	jne .loop
   348 000001A7 AC                      	lodsb
   349 000001A8 3C25                    	cmp al, '%'
   350 000001AA 74DA                    	je .loop_inc
   351 000001AC E83801                  	call is_var_text
   352 000001AF 72E3                    	jc .percent_al
   353                                  
   354                                  	houdini
   355 000001B1 8D5CFE                  	lea bx, [si - 2]
   356 000001B4 57                      	push di
   357 000001B5 BF[0000]                	mov di, relocateddata
   358                                  linkdatarelocation line_out
   359                                  @@:
   360 000001B8 E81502                  	extcallcall uppercase
   361 000001BB AA                      	stosb
   362 000001BC AC                      	lodsb
   363 000001BD E82701                  	call is_var_text
   364 000001C0 73F6                    	jnc @B
   365 000001C2 3C25                    	cmp al, '%'
   366 000001C4 742D                    	je .getvar
   367                                  
   368 000001C6 4E                      	dec si
   369                                  .not:
   370 000001C7 16                      	push ss
   371 000001C8 07                      	pop es
   372 000001C9 89D9                    	mov cx, bx
   373 000001CB F7D9                    	neg cx			; minus -> %
   374 000001CD 01F1                    	add cx, si		; after candidate minus -> %
   375 000001CF 89DE                    	mov si, bx		; -> %
   376 000001D1 5F                      	pop di
   377 000001D2 51                      	push cx
   378 000001D3 F3A4                    	rep movsb		; plain text
   379 000001D5 59                      	pop cx
   380 000001D6 E80600                  	call .movsb_error_cx
   381 000001D9 EBB6                    	jmp .loop_lod
   382                                  
   383                                  .stosb_error:
   384 000001DB AA                      	stosb
   385 000001DC B90100                  	mov cx, 1
   386                                  .movsb_error_cx:
   387 000001DF D046F8                  	rol byte [bp + ?errfix_flag], 1
   388 000001E2 730E                    	jnc @F
   389 000001E4 8776F2                  	xchg si, word [bp + ?errfix_source]
   390 000001E7 877EF4                  	xchg di, word [bp + ?errfix_destination]
   391 000001EA F3A4                    	rep movsb
   392 000001EC 877EF4                  	xchg di, word [bp + ?errfix_destination]
   393 000001EF 8776F2                  	xchg si, word [bp + ?errfix_source]
   394                                  @@:
   395 000001F2 C3                      	retn
   396                                  
   397                                  .getvar:
   398 000001F3 B03D                    	mov al, '='
   399 000001F5 AA                      	stosb
   400 000001F6 B9[0000]                	mov cx, relocateddata
   401                                  linkdatarelocation line_out
   402 000001F9 F7D9                    	neg cx
   403 000001FB 01F9                    	add cx, di		; -> behind equals sign minus line_out
   404 000001FD 41                      	inc cx			; length of variable name, with percent signs
   405 000001FE E88100                  	call findvar
   406 00000201 57                      	 push di		; push di
   407 00000202 8B7EF2                  	mov di, [bp + ?errfix_source]
   408 00000205 8A05                    	mov al, [di]		; al = get first %'s column
   409 00000207 014EF2                  	add [bp + ?errfix_source], cx
   410 0000020A 59                      	 pop cx			; but pop cx
   411                                  
   412 0000020B 5F                      	pop di
   413 0000020C 56                      	 push si
   414 0000020D 06                      	push es
   415 0000020E 1F                      	pop ds
   416 0000020F 16                      	push ss
   417 00000210 07                      	pop es
   418 00000211 89D6                    	mov si, dx
   419 00000213 51                      	push cx
   420 00000214 F3A4                    	rep movsb
   421 00000216 59                      	pop cx
   422 00000217 16                      	push ss
   423 00000218 1F                      	pop ds
   424 00000219 5E                      	 pop si
   425 0000021A D046F8                  	rol byte [bp + ?errfix_flag], 1
   426 0000021D 732A                    	jnc @F
   427 0000021F 877EF4                  	xchg di, word [bp + ?errfix_destination]
   428 00000222 56                      	push si
   429 00000223 57                      	push di
   430 00000224 51                      	push cx
   431                                  		; di + cx -> new destination
   432                                  		; ?errfix_start + 256 - (di + cx) = length
   433                                  		; ?errfix_source -> new source
   434 00000225 01CF                    	add di, cx		; -> new destination
   435 00000227 8B4EFA                  	mov cx, [bp + ?errfix_start]
   436 0000022A 81C10001                	add cx, 256		; -> past end of array
   437 0000022E 29F9                    	sub cx, di		; = length
   438 00000230 89FE                    	mov si, di		; -> new destination
   439 00000232 397EF2                  	cmp word [bp + ?errfix_source], di
   440 00000235 730A                    	jae .no_move
   441 00000237 8776F2                  	xchg si, [bp + ?errfix_source]
   442                                  				; si -> new source, ?errfix_source -> new dest
   443 0000023A 01CF                    	add di, cx
   444 0000023C 01CE                    	add si, cx		; -> point after end
   445 0000023E E83100                  	call moveup
   446                                  .no_move:
   447 00000241 59                      	pop cx
   448 00000242 5F                      	pop di
   449 00000243 5E                      	pop si
   450                                  
   451 00000244 F3AA                    	rep stosb		; store first %'s column
   452 00000246 877EF4                  	xchg di, word [bp + ?errfix_destination]
   453                                  @@:
   454 00000249 E945FF                  	jmp .loop_lod
   455                                  
   456                                  
   457                                  writeend:
   458 0000024C 81C40001                	add sp, 256
   459 00000250 B00D                    	mov al, 13
   460 00000252 E886FF                  	call writeloop.stosb_error
   461 00000255 41                      	inc cx
   462 00000256 E886FF                  	call writeloop.movsb_error_cx
   463 00000259 8B76FC                  	mov si, word [bp + ?start]
   464 0000025C 89EC5D                  	lleave
   465 0000025F E84601                  	extcallcall skipwhite
   466                                  		; di -> behind CR
   467 00000262 C3                      	retn
   468                                  
   469                                  
   470                                  toolong:
   471 00000263 B85B0E                  	mov ax, 0E5Bh
   472 00000266 E86F01                  	extcallcall setrc
   473 00000269 BA[4E00]                	mov dx, msg.toolong
   474                                  internaldatarelocation
   475 0000026C E87101                  	extcallcall putsz
   476 0000026F E84601                  	extcallcall cmd3
   477                                  
   478                                  
   479                                  moveup:
   480 00000272 FD                      	std
   481 00000273 A6                      	cmpsb				; -> last bytes
   482 00000274 E308                    	jcxz @FF
   483 00000276 83F914                  	cmp cx, 20
   484 00000279 7703                    	ja @FF
   485                                  @@:
   486 0000027B A4                      	movsb
   487 0000027C E2FD                    	loop @B
   488                                  @@:
   489 0000027E F3A4                    	rep movsb			; move up
   490 00000280 FC                      	cld
   491 00000281 C3                      	retn
   492                                  
   493                                  
   494                                  findvar:
   495 00000282 56                      	push si
   496 00000283 51                      	push cx
   497                                  
   498 00000284 E88000                  	call get_env
   499 00000287 85D2                    	test dx, dx
   500 00000289 7446                    	jz .varnotfound
   501 0000028B E85A01                  	extcallcall setes2dx
   502                                  
   503 0000028E BE[0000]                	mov si, relocateddata
   504                                  linkdatarelocation line_out
   505 00000291 89F9                    	mov cx, di
   506 00000293 29F1                    	sub cx, si
   507                                  
   508 00000295 31FF                    	xor di, di
   509                                  .varloop:
   510 00000297 B000                    	mov al, 0
   511 00000299 AE                      	scasb
   512 0000029A 7435                    	je .varnotfound
   513 0000029C 4F                      	dec di
   514 0000029D 57                      	push di
   515 0000029E 56                      	push si
   516 0000029F 51                      	push cx
   517                                  @@:
   518 000002A0 F3A6                    	repe cmpsb
   519 000002A2 740C                    	je @F
   520 000002A4 268A45FF                	mov al, [es:di - 1]
   521 000002A8 E82501                  	extcallcall uppercase
   522 000002AB 3A44FF                  	cmp al, [si - 1]
   523 000002AE 74F0                    	je @B
   524                                  @@:
   525 000002B0 89FA                    	mov dx, di
   526 000002B2 59                      	pop cx
   527 000002B3 5E                      	pop si
   528 000002B4 5F                      	pop di
   529 000002B5 7420                    	je .varfound
   530 000002B7 51                      	push cx
   531 000002B8 B000                    	mov al, 0
   532 000002BA B9FF7F                  	mov cx, 7FFFh
   533 000002BD F2AE                    	repne scasb
   534 000002BF 59                      	pop cx
   535 000002C0 74D5                    	je .varloop
   536                                  .error:
   537 000002C2 B85C0E                  	mov ax, 0E5Ch
   538 000002C5 E81001                  	extcallcall setrc
   539 000002C8 BA[7100]                	mov dx, msg.error
   540                                  internaldatarelocation
   541 000002CB E81201                  	extcallcall putsz
   542 000002CE E8E700                  	extcallcall cmd3
   543                                  
   544                                  .varnotfound:
   545 000002D1 59                      	pop cx
   546 000002D2 5E                      	pop si
   547 000002D3 31FF                    	xor di, di
   548 000002D5 F9                      	stc
   549 000002D6 C3                      	retn
   550                                  
   551                                  .varfound:
   552 000002D7 B000                    	mov al, 0
   553 000002D9 B9FF7F                  	mov cx, 7FFFh
   554 000002DC F2AE                    	repne scasb
   555 000002DE 75E2                    	jne .error
   556 000002E0 4F                      	dec di
   557 000002E1 29D7                    	sub di, dx
   558 000002E3 59                      	pop cx
   559 000002E4 5E                      	pop si
   560 000002E5 F8                      	clc
   561 000002E6 C3                      	retn
   562                                  
   563                                  
   564                                  is_var_text:
   565 000002E7 3C5F                    	cmp al, '_'
   566 000002E9 741A                    	je .var
   567 000002EB 3C30                    	cmp al, '0'
   568 000002ED 7214                    	jb .not
   569 000002EF 3C39                    	cmp al, '9'
   570 000002F1 7612                    	jbe .var
   571 000002F3 3C41                    	cmp al, 'A'
   572 000002F5 720C                    	jb .not
   573 000002F7 3C5A                    	cmp al, 'Z'
   574 000002F9 760A                    	jbe .var
   575 000002FB 3C61                    	cmp al, 'a'
   576 000002FD 7204                    	jb .not
   577 000002FF 3C7A                    	cmp al, 'z'
   578 00000301 7602                    	jbe .var
   579                                  .not:
   580 00000303 F9                      	stc
   581 00000304 C3                      	retn
   582                                  
   583                                  .var:
   584 00000305 F8                      	clc
   585 00000306 C3                      	retn
   586                                  
   587                                  
   588                                  get_env:
   589 00000307 8B162C00                	mov dx, [2Ch]
   590 0000030B 85D2                    	test dx, dx
   591 0000030D C3                      	retn
   592                                  
   593                                  
   594                                  get_es_ext:
   595 0000030E 8E06[0000]              	mov es, word [relocateddata]
   596                                  linkdatarelocation extdssel
   597 00000312 E8DB00                  	extcallcall ispm
   598 00000315 7404                    	jz @F
   599 00000317 8E06[0000]              	mov es, word [relocateddata]
   600                                  linkdatarelocation extseg
   601                                  @@:
   602 0000031B C3                      	retn
   603                                  
   604                                  
   605                                  uninstall:
   606 0000031C AC                      	lodsb
   607 0000031D E89000                  	extcallcall chkeol
   608                                  
   609 00000320 E8EBFF                  	call get_es_ext
   610 00000323 06                      	push es
   611 00000324 1F                      	pop ds
   612 00000325 31DB                    	xor bx, bx		; = 0 (no prior, modify ext_preprocess_handler)
   613 00000327 BF[2000]                	mov di, preprocess		; di -> us
   614                                  internalcoderelocation
   615 0000032A 368B36[0000]            	mov si, word [ss:relocateddata]
   616                                  linkdatarelocation ext_preprocess_handler
   617                                  				; si -> first
   618 0000032F 85F6                    	test si, si		; none installed ?
   619 00000331 7450                    	jz .error		; error -->
   620                                  
   621                                  .loop:
   622 00000333 39F7                    	cmp di, si		; found ?
   623 00000335 740D                    	je .bx			; yes, use bx -->
   624 00000337 89F3                    	mov bx, si		; bx -> prior handler
   625 00000339 AD                      	lodsw			; skip entrypoint jmp strict short
   626 0000033A AC                      	lodsb			; get first byte of chainer
   627 0000033B 3CE9                    	cmp al, 0E9h		; expecting jmp near ?
   628 0000033D 7544                    	jne .error		; no, error -->
   629 0000033F AD                      	lodsw			; get rel16 displacement
   630 00000340 01C6                    	add si, ax		; -> next handler
   631 00000342 EBEF                    	jmp .loop
   632                                  
   633                                  .bx:
   634 00000344 85DB                    	test bx, bx		; any prior ?
   635 00000346 751A                    	jnz .bxnz		; yes -->
   636 00000348 AF                      	scasw			; skip entrypoint jmp strict short
   637 00000349 803DE8                  	cmp byte [di], 0E8h	; is it a call to cmd3_preprocessed ?
   638 0000034C 7507                    	jne @F			; no -->
   639                                  				; yes, reset ext_preprocess_handler to zero
   640                                  .setbx:
   641 0000034E 36891E[0000]            	mov word [ss:relocateddata], bx
   642                                  linkdatarelocation ext_preprocess_handler
   643 00000353 EB1E                    	jmp .done
   644                                  
   645                                  @@:
   646 00000355 803DE9                  	cmp byte [di], 0E9h	; validate
   647 00000358 7529                    	jne .error		; failure -->
   648 0000035A 47                      	inc di			; -> rel16 displacement
   649 0000035B 8B1D                    	mov bx, word [di]	; get displacement
   650 0000035D AF                      	scasw			; -> after jmp near
   651 0000035E 01FB                    	add bx, di		; -> next handler
   652 00000360 EBEC                    	jmp .setbx		; set ext_preprocess_handler to next
   653                                  
   654                                  .bxnz:
   655 00000362 89DE                    	mov si, bx		; -> prior handler with us as downlink
   656 00000364 87FE                    	xchg di, si		; si -> ours, di -> prior
   657 00000366 A7                      	cmpsw			; skip entrypoint jmp strict short
   658 00000367 A4                      	movsb			; copy 0E8h/0E9h
   659 00000368 AD                      	lodsw			; ax = near rel16 displacement
   660 00000369 01F0                    	add ax, si		; add in our base (= absolute offset)
   661 0000036B 29F8                    	sub ax, di
   662 0000036D 48                      	dec ax
   663 0000036E 48                      	dec ax			; subtract new base (= relative displacement)
   664 0000036F AB                      	stosw			; store new rel16 displacement
   665 00000370 A5                      	movsw			; jmp strict short
   666 00000371 A5                      	movsw			; linkcall target
   667 00000372 A4                      	movsb			; trailer
   668                                  .done:
   669 00000373 8026[1000]FE            	clropt [code + eldiFlags], eldifResident
   670                                  internalcoderelocation -3	; mark block as free
   671 00000378 BA[1400]                	mov dx, msg.uninstall_done
   672                                  internaldatarelocation
   673                                  @@:
   674 0000037B 16                      	push ss
   675 0000037C 1F                      	pop ds
   676 0000037D E86000                  	extcallcall putsz
   677 00000380 E83500                  	extcallcall cmd3	; return
   678                                  
   679                                  .error:
   680 00000383 B8010E                  	mov ax, 0E01h
   681 00000386 E84F00                  	extcallcall setrc
   682 00000389 BA[2D00]                	mov dx, msg.uninstall_error
   683                                  internaldatarelocation
   684 0000038C EBED                    	jmp @B
   685                                  
   686                                  
   687                                  error:
   688 0000038E E8[0000]EB020000        	extcall error
   689                                  
   690 00000395 90<rep 3h>E8[0000]-     	eldcall_dump_callcall ELDCALL_CALLCALL_LIST
   690 0000039B EB020000C3E8[0000]-
   690 000003A3 EB020000C3E8[0000]-
   690 000003AB EB020000C3E8[0000]-
   690 000003B3 EB020000C3E8[0000]-
   690 000003BB EB020000C3E8[0000]-
   690 000003C3 EB020000C3E8[0000]-
   690 000003CB EB020000C3E8[0000]-
   690 000003D3 EB020000C3E8[0000]-
   690 000003DB EB020000C3E8[0000]-
   690 000003E3 EB020000C3E8[0000]-
   690 000003EB EB020000C3E8[0000]-
   690 000003F3 EB020000C3         
   691                                  
   692                                  endinstalled equ ($ + CODEFIXUP + 15) & ~15
   693                                  
   694                                  
   695                                  start:
   696 000003F8 8CC3                    	mov bx, es
   697 000003FA 16                      	 push ss
   698 000003FB 07                      	 pop es
   699                                  
   700 000003FC E899FF                  	call skipcomma
   701 000003FF 4E                      	dec si
   702 00000400 BA[0000]                	mov dx, relocateddata
   703                                  linkdatarelocation msg.install
   704 00000403 E89AFF                  	call isstring?
   705 00000406 7503E92701              	je install
   706 0000040B BA[A200]                	mov dx, msg.run
   707                                  internaldatarelocation
   708 0000040E E88FFF                  	call isstring?
   709 00000411 7467                    	je run
   710 00000413 BA[A600]                	mov dx, msg.display
   711                                  internaldatarelocation
   712 00000416 E887FF                  	call isstring?
   713 00000419 743D                    	je display
   714 0000041B BA[AE00]                	mov dx, msg.help_keyword
   715                                  internaldatarelocation
   716 0000041E E87FFF                  	call isstring?
   717                                  
   718                                  help:
   719 00000421 AC                      	lodsb
   720 00000422 E88BFF                  	call chkeol
   721 00000425 BA[CA00]                	mov dx, msg.help
   722                                  internaldatarelocation
   723 00000428 E8[0000]EB020000        	extcall putsz
   724 0000042F E80300                  	call uninstall_oneshot
   725 00000432 31C0                    	xor ax, ax
   726 00000434 CB                      	retf
   727                                  
   728                                  
   729                                  uninstall_oneshot:
   730 00000435 36F606[0000]01          	testopt [ss:relocateddata], 1
   731                                  linkdatarelocation options7, -3
   732 0000043B 751A                    	jnz @F
   733                                  
   734 0000043D 2EA1[0200]              	mov ax, word [cs:code + eldiEndCode]
   735                                  internalcoderelocation
   736 00000441 2E2B06[0000]            	sub ax, word [cs:code + eldiStartCode]
   737                                  internalcoderelocation
   738 00000446 2906[0000]              	sub word [relocateddata], ax
   739                                  linkdatarelocation extseg_used
   740                                  
   741 0000044A 2EA1[0600]              	mov ax, word [cs:code + eldiEndData]
   742                                  internalcoderelocation
   743 0000044E 2E2B06[0400]            	sub ax, word [cs:code + eldiStartData]
   744                                  internalcoderelocation
   745 00000453 2906[0000]              	sub word [relocateddata], ax
   746                                  linkdatarelocation extdata_used
   747                                  @@:
   748 00000457 C3                      	retn
   749                                  
   750                                  
   751                                  display:
   752 00000458 BAFFFF                  	mov dx, -1
   753 0000045B E8A500                  	call expand_to_buffer
   754 0000045E E8[0000]EB020000        	extcall puts
   755 00000465 B00D                    	mov al, 13
   756 00000467 E8[0000]EB020000        	extcall putc
   757 0000046E B00A                    	mov al, 10
   758 00000470 E8[0000]EB020000        	extcall putc
   759 00000477 E83EFF                  	call cmd3
   760                                  
   761                                  run:
   762 0000047A 31D2                    	xor dx, dx
   763 0000047C E819FF                  	call skipcomma
   764 0000047F 4E                      	dec si				; -> start of source
   765 00000480 56                      	push si
   766 00000481 31C9                    	xor cx, cx
   767                                  @@:
   768 00000483 41                      	inc cx				; cx = number of bytes including CR
   769 00000484 AC                      	lodsb
   770 00000485 E8[0000]EB020000        	extcall iseol?.notsemicolon
   771 0000048C 75F5                    	jne @B
   772 0000048E 5E                      	pop si				; -> start of content
   773 0000048F BF[0200]                	mov di, relocateddata + 2
   774                                  linkdatarelocation line_in		; -> start of line_in
   775 00000492 57                      	push di
   776                                  
   777 00000493 E84CFC                  	call geterrfix
   778 00000496 7410                    	jz @F
   779 00000498 56                      	push si
   780 00000499 57                      	push di
   781 0000049A 01DE                    	add si, bx
   782 0000049C 81EE[0200]              	sub si, strict word relocateddata + 2
   783                                  linkdatarelocation line_in		; -> start of source's columns
   784 000004A0 89DF                    	mov di, bx			; -> columns corresponding to line_in + 2
   785 000004A2 51                      	 push cx
   786 000004A3 F3A4                    	rep movsb			; move down in columns array
   787 000004A5 59                      	 pop cx
   788 000004A6 5F                      	pop di
   789 000004A7 5E                      	pop si
   790                                  @@:
   791 000004A8 F3A4                    	rep movsb			; move down in line_in
   792 000004AA 5E                      	pop si				; -> start of line_in
   793                                  
   794 000004AB E85900                  	call expand_to_buffer.si
   795                                  
   796 000004AE 4E                      	dec si
   797 000004AF 4E                      	dec si
   798 000004B0 880C                    	mov byte [si], cl
   799 000004B2 8936[A800]              	mov word [buffer_start], si
   800                                  internaldatarelocation
   801                                  
   802 000004B6 A1[0000]                	mov ax, word [relocateddata]
   803                                  linkdatarelocation ext_inject_handler
   804 000004B9 A3[A600]                	mov word [priorinject], ax
   805                                  internaldatarelocation
   806                                  
   807 000004BC E84FFE                  	call get_es_ext
   808 000004BF 26800E[1000]01          	setopt [es:code + eldiFlags], eldifResident
   809                                  internalcoderelocation -3		; mark block as resident
   810                                  
   811 000004C5 C706[0000][CE04]        	mov word [relocateddata], .inject
   812                                  linkdatarelocation ext_inject_handler, -4
   813                                  internalcoderelocation
   814 000004CB E8EAFE                  	call cmd3
   815                                  
   816                                  .inject:
   817                                  	houdini
   818                                  
   819 000004CE BF[0100]                	mov di, relocateddata + 1
   820                                  linkdatarelocation line_in
   821 000004D1 8B36[A800]              	mov si, word [buffer_start]
   822                                  internaldatarelocation
   823                                  
   824 000004D5 E8[0000]EB020000        	extcall yy_reset_buf
   825 000004DC 57                      	push di
   826 000004DD B98000                  	mov cx, words(256)
   827 000004E0 F3A5                    	rep movsw
   828 000004E2 5E                      	pop si
   829                                  
   830 000004E3 A1[A600]                	mov ax, word [priorinject]
   831                                  internaldatarelocation
   832 000004E6 A3[0000]                	mov word [relocateddata], ax
   833                                  linkdatarelocation ext_inject_handler
   834                                  
   835 000004E9 46                      	inc si
   836 000004EA E8[0000]EB020000        	extcall skipwhite
   837                                  
   838 000004F1 E81AFE                  	call get_es_ext
   839 000004F4 268026[1000]FE          	clropt [es:code + eldiFlags], eldifResident
   840                                  internalcoderelocation -3		; mark block as free
   841 000004FA 16                      	 push ss
   842 000004FB 07                      	 pop es
   843                                  
   844 000004FC E8[0000]EB020000        	extcall cmd3_injected
   845                                  
   846                                  
   847                                  		; INP:	si -> separator after keyword
   848                                  		;	dx = FFFFh if to display
   849                                  		;	dx = 0 else
   850                                  		; OUT:	branches to cmd3 if too long
   851                                  		;	returns if fits in buffer
   852                                  		;	dx -> text, up to 255 bytes + CR
   853                                  		;	cx = length of text excluding CR
   854                                  		;	si = dx + 1
   855                                  		;	dx may be != buffer.main
   856                                  expand_to_buffer:
   857 00000503 E892FE                  	call skipcomma
   858 00000506 4E                      	dec si
   859                                  .si:
   860 00000507 B90001                  	mov cx, 256
   861 0000050A BF[AC00]                	mov di, buffer.main
   862                                  internaldatarelocation
   863 0000050D 85D2                    	test dx, dx
   864 0000050F 7504                    	jnz @F
   865 00000511 89F2                    	mov dx, si
   866 00000513 29FA                    	sub dx, di
   867                                  		; line_in start - buffer
   868                                  		; use as buffer offset + line_in - buffer
   869                                  @@:
   870 00000515 57                      	push di
   871 00000516 A8                      	db __TEST_IMM8
   872                                  @@:
   873 00000517 AA                      	stosb
   874 00000518 AC                      	lodsb
   875 00000519 3C0D                    	cmp al, 13
   876 0000051B E0FA                    	loopne @B
   877 0000051D 7403E941FD              	jne toolong
   878 00000522 AA                      	stosb
   879 00000523 5E                      	pop si
   880 00000524 B9[AB01]                	mov cx, buffer.end - 1
   881                                  internaldatarelocation
   882 00000527 E8C4FB                  	call replace
   883 0000052A 89F9                    	mov cx, di
   884 0000052C 29F1                    	sub cx, si
   885 0000052E 89F2                    	mov dx, si
   886 00000530 4A                      	dec dx
   887 00000531 C3                      	retn
   888                                  
   889                                  
   890                                  	usesection DATA
   891 00000000 FF                      status:			db 0FFh
   892                                  
   893                                  msg:
   894 00000001 5641524941424C4553-     .variables:		asciz "VARIABLES"
   894 0000000A 00                 
   895 0000000B 5641524941424C4500      .variable:		asciz "VARIABLE"
   896 00000014 5641524941424C4553-     .uninstall_done:	db "VARIABLES uninstalled."
   896 0000001D 20756E696E7374616C-
   896 00000026 6C65642E           
   897                                  %if _ELD_RECLAIM_HINT
   898                                  			db " (Don't forget to use reclaim.eld)"
   899                                  %endif
   900 0000002A 0D0A00                  			asciz 13,10
   901 0000002D 5641524941424C4553-     .uninstall_error:	asciz "VARIABLES unable to uninstall!",13,10
   901 00000036 20756E61626C652074-
   901 0000003F 6F20756E696E737461-
   901 00000048 6C6C210D0A00       
   902 0000004E 5641524941424C4553-     .toolong:		asciz "VARIABLES expansion is too long!",13,10
   902 00000057 20657870616E73696F-
   902 00000060 6E20697320746F6F20-
   902 00000069 6C6F6E67210D0A00   
   903 00000071 5641524941424C4553-     .error:			asciz "VARIABLES detected invalid environment!",13,10
   903 0000007A 206465746563746564-
   903 00000083 20696E76616C696420-
   903 0000008C 656E7669726F6E6D65-
   903 00000095 6E74210D0A00       
   904 0000009B 4F4E00                  .on:			asciz "ON"
   905 0000009E 4F464600                .off:			asciz "OFF"
   906 000000A2 52554E00                .run:			asciz "RUN"
   907                                  
   908                                  uinit_data: equ $
   909                                  
   910 000000A6 444953504C415900        .display:	asciz "DISPLAY"
   911 000000AE 48454C5000              .help_keyword:	asciz "HELP"
   912 000000B3 5641524941424C4553-     .installed:	asciz "VARIABLES installed.",13,10
   912 000000BC 20696E7374616C6C65-
   912 000000C5 642E0D0A00         
   913 000000CA 496E7374616C6C2074-     .help:		db "Install this ELD using the INSTALL keyword parameter.",13,10
   913 000000D3 68697320454C442075-
   913 000000DC 73696E672074686520-
   913 000000E5 494E5354414C4C206B-
   913 000000EE 6579776F7264207061-
   913 000000F7 72616D657465722E0D-
   913 00000100 0A                 
   914 00000101 0D0A                    		db 13,10
   915 00000103 557365202576617269-     		db "Use %variable% in commands to do variable substitution.",13,10
   915 0000010C 61626C652520696E20-
   915 00000115 636F6D6D616E647320-
   915 0000011E 746F20646F20766172-
   915 00000127 6961626C6520737562-
   915 00000130 737469747574696F6E-
   915 00000139 2E0D0A             
   916 0000013C 52756E206173205641-     		db "Run as VARIABLES UNINSTALL to uninstall this ELD.",13,10
   916 00000145 524941424C45532055-
   916 0000014E 4E494E5354414C4C20-
   916 00000157 746F20756E696E7374-
   916 00000160 616C6C207468697320-
   916 00000169 454C442E0D0A       
   917 0000016F 00                      		asciz
   918                                  
   919                                  	align 16, db 0
   920                                  init_data_end:
   921                                  data_size equ $ - datastart
   922                                  transient_data_size equ data_size
   923                                  
   924                                  	absolute uinit_data
   925                                  resident_data:
   926                                  
   927                                  	alignb 2
   928 000000A6 ????                    priorinject:	resw 1
   929 000000A8 ????                    buffer_start:	resw 1
   930 000000AA ??                      	resb 1			; align main buffer
   931                                  buffer:
   932 000000AB ??                      .length:	resb 1
   933 000000AC <res 100h>              .main:		resb 256
   934                                  .end:
   935 000001AC ????                    		resb 2		; just in case there's an off-by-one
   936                                  
   937 000001AE ????                    	alignb 16
   938                                  uinit_data_end:
   939                                  
   940                                  	absolute resident_data
   941                                  
   942 000000A6 <res Ah>                	alignb 16
   943                                  resident_data_end:
   944                                  resident_data_size equ resident_data_end - datastart
   945                                  
   946                                  %if uinit_data_end >= init_data_end
   947                                   total_data_size equ uinit_data_end - datastart
   948                                  %else
   949                                   total_data_size equ init_data_end - datastart
   950                                  %endif
   951                                  %assign _DATA_SIZE total_data_size
   952                                  
   953                                  
   954                                  	usesection CODE
   955                                  
   956                                  install:
   957 00000532 AC                      	lodsb
   958 00000533 E8[0000]EB020000        	extcall chkeol
   959                                  
   960                                  	houdini
   961 0000053A 8EC3                    	mov es, bx		; => ext seg (writable)
   962                                  
   963 0000053C B89001                  	mov ax, endresident - endinstalled
   964 0000053F 262906[0200]            	sub word [es:code + eldiEndCode], ax
   965                                  internalcoderelocation		; adjust size
   966 00000544 2906[0000]              	sub word [relocateddata], ax
   967                                  linkdatarelocation extseg_used	; adjust size
   968                                  
   969                                  %if (total_data_size - (resident_data_end - datastart)) > 0
   970 00000548 B80001                  	mov ax, total_data_size - (resident_data_end - datastart)
   971 0000054B 262906[0600]            	sub word [es:code + eldiEndData], ax
   972                                  internalcoderelocation		; adjust size
   973 00000550 2906[0000]              	sub word [relocateddata], ax
   974                                  linkdatarelocation extdata_used	; adjust size
   975                                  %endif
   976                                  
   977 00000554 8B1E[0000]              	mov bx, word [relocateddata]
   978                                  linkdatarelocation ext_preprocess_handler
   979                                  				; -> prior
   980 00000558 BF[2000]                	mov di, preprocess		; -> our handler
   981                                  internalcoderelocation
   982 0000055B 85DB                    	test bx, bx		; installing as first ?
   983 0000055D 740A                    	jz .only_first		; yes, simple --> (leave as extcall cmd3_preprocessed)
   984 0000055F AF                      	scasw			; skip entrypoint jmp strict short
   985 00000560 B0E9                    	mov al, 0E9h		; = jmp near opcode
   986 00000562 AA                      	stosb			; store
   987 00000563 93                      	xchg ax, bx		; ax -> next handler
   988 00000564 29F8                    	sub ax, di
   989 00000566 48                      	dec ax
   990 00000567 48                      	dec ax			; ax = ax - (di + 2)
   991 00000568 AB                      	stosw			; store our downlink as rel16 displacement
   992                                  
   993                                  .only_first:
   994 00000569 26800E[1000]01          	setopt [es:code + eldiFlags], eldifResident
   995                                  internalcoderelocation -3	; mark block as resident
   996 0000056F C706[0000][2000]        	mov word [relocateddata], preprocess
   997                                  linkdatarelocation ext_preprocess_handler, -4
   998                                  internalcoderelocation		; -> our entrypoint
   999                                  
  1000 00000575 F606[0000]04            	testopt [relocateddata], 4
  1001                                  linkdatarelocation options7, -3
  1002 0000057A 7506                    	jnz @F
  1003 0000057C BA[B300]                	mov dx, msg.installed
  1004                                  internaldatarelocation
  1005 0000057F E85EFE                  	call putsz
  1006                                  @@:
  1007 00000582 31C0                    	xor ax, ax
  1008 00000584 CB                      	retf
  1009                                  
  1010                                  
  1011                                  %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 00000585 5589E5              <1> 	lenter
    91                              <1> 	lvar dword, instance
    92 00000588 06                  <1> 	 push es
    93 00000589 52                  <1> 	 push dx		; -> start of where we're loaded in ELD cs
    94                              <1> 	lvar word, targetsection_low_optional_high
    95 0000058A 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 0000058B 1E                  <1> 	 push ds
   100 0000058C 57                  <1> 	 push di		; -> link info (in debugger ss or message seg)
   101                              <1> 	lvar dword, nextreloc
   102 0000058D 06                  <1> 	 push es		; => ELD cs
   103 0000058E 52                  <1> 	 push dx		; placeholder
   104                              <1> 	lvar dword, entry
   105 0000058F 06                  <1> 	 push es		; => ELD cs
   106 00000590 50                  <1> 	 push ax		; placeholder
   107 00000591 31C0                <1> 	xor ax, ax
   108 00000593 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 00000597 7403E95E02          <1> 	jne .error_j		; signature mismatch -->
   113 0000059C 837D0601            <1> 	cmp word [di + eldlUseLinkHash], 1
   114 000005A0 7603E95502          <1> 	ja .error_j		; unknown use link hash number -->
   115 000005A5 7201                <1> 	jb @F
   116 000005A7 48                  <1> 	dec ax			; = -1 if hash used
   117                              <1> @@:
   118                              <1> 	lvar word, use_hash
   119 000005A8 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 000005A9 31C0                <1> 	xor ax, ax
   127                              <1>  %if _ELD_LINKER_PASSES
   128                              <1> 	lvar word, pass
   129 000005AB 50                  <1> 	 push ax		; = 0 for linker itself, = 2 for application
   130                              <1> 	lvar word, amounterrors
   131 000005AC 50                  <1> 	 push ax		; how many distinct errors encountered in pass 2
   132                              <1> 	lvar word, name
   133 000005AD 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 000005AE 56                  <1> 	push si			; -> command line tail
   141 000005AF 53                  <1> 	push bx			; -> data block in ELD data area (segment ss)
   142                              <1> 
   143                              <1> 			; simple: add instance base (dx) to code
   144 000005B0 06                  <1> 	push es
   145 000005B1 1F                  <1> 	pop ds			; ds = es => ELD cs
   146                              <1> %if _ELD_LINKER_PASSES
   147                              <1> .pass:
   148 000005B2 8B5EEA              <1> 	mov bx, word [bp + ?pass]	; 0 or 2
   149 000005B5 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 000005B7 8BB74C09            <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 000005BB 01D6                <1> 	add si, dx		; relocate the table pointer itself
   160                              <1> @@:
   161 000005BD AD                  <1> 	lodsw
   162 000005BE 85C0                <1> 	test ax, ax		; was last ?
   163 000005C0 740B                <1> 	jz @F			; yes -->
   164 000005C2 93                  <1> 	xchg bx, ax		; bx = entry
   165 000005C3 01D3                <1> 	add bx, dx		; relocate the entry itself
   166                              <1> %if _ELD_CODE_VSTART
   167 000005C5 812F[0000]          <1> 	sub word [bx], code	; undo adjustment
   168                              <1> %endif
   169 000005C9 0117                <1> 	add word [bx], dx	; relocate word referenced by entry
   170 000005CB 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 000005CD 8B5EEA              <1> 	mov bx, word [bp + ?pass]	; 0 or 2
   176 000005D0 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 000005D2 8BB75009            <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 000005D6 01D6                <1> 	add si, dx		; relocate the table pointer itself
   187                              <1> @@:
   188 000005D8 AD                  <1> 	lodsw
   189 000005D9 85C0                <1> 	test ax, ax		; was last ?
   190 000005DB 740C                <1> 	jz @F			; yes -->
   191 000005DD 93                  <1> 	xchg bx, ax		; bx = entry
   192 000005DE 01D3                <1> 	add bx, dx		; relocate the entry itself
   193                              <1> 		; ! access the offset of the data area block, topmost on stack
   194 000005E0 58                  <1> 	pop ax			; ax -> heap data
   195 000005E1 50                  <1> 	push ax
   196                              <1> %if _ELD_DATA_VSTART
   197 000005E2 2D[0000]            <1> 	sub ax, datastart	; undo adjustment
   198                              <1> %endif
   199 000005E5 0107                <1> 	add word [bx], ax	; relocate word referenced by entry
   200 000005E7 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 000005E9 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   207 000005EC 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 000005EE 8BB75409            <1> 	mov si, word [linktable - code + ltDataToCode + bx]
   213                              <1>  %endif
   214                              <1> %else
   215                              <1> 	mov si, internaldatatocoderelocations - code
   216                              <1> %endif
   217 000005F2 01D6                <1> 	add si, dx
   218                              <1> @@:
   219 000005F4 AD                  <1> 	lodsw
   220 000005F5 83F8FF              <1> 	cmp ax, -1		; was last ?
   221 000005F8 740F                <1> 	je @F			; yes -->
   222 000005FA 93                  <1> 	xchg bx, ax		; bx = entry
   223                              <1> 		; ! access the offset of the data area block, topmost on stack
   224 000005FB 58                  <1> 	pop ax
   225 000005FC 50                  <1> 	push ax
   226 000005FD 01C3                <1> 	add bx, ax		; relocate the entry itself
   227                              <1> %if _ELD_CODE_VSTART
   228 000005FF 36812F[0000]        <1> 	sub word [ss:bx], code	; undo adjustment
   229                              <1> %endif
   230 00000604 360117              <1> 	add word [ss:bx], dx	; relocate word referenced by entry
   231 00000607 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 00000609 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   237 0000060C 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 0000060E 8BB75809            <1> 	mov si, word [linktable - code + ltDataToData + bx]
   243                              <1>  %endif
   244                              <1> %else
   245                              <1> 	mov si, internaldatatodatarelocations - code
   246                              <1> %endif
   247 00000612 01D6                <1> 	add si, dx
   248                              <1> @@:
   249 00000614 AD                  <1> 	lodsw
   250 00000615 83F8FF              <1> 	cmp ax, -1		; was last ?
   251 00000618 740D                <1> 	je @F			; yes -->
   252 0000061A 93                  <1> 	xchg bx, ax		; bx = entry
   253                              <1> 		; ! access the offset of the data area block, topmost on stack
   254 0000061B 58                  <1> 	pop ax			; ax -> heap data
   255 0000061C 50                  <1> 	push ax
   256 0000061D 01C3                <1> 	add bx, ax		; relocate the entry itself
   257                              <1> %if _ELD_DATA_VSTART
   258 0000061F 2D[0000]            <1> 	sub ax, datastart	; undo adjustment
   259                              <1> %endif
   260 00000622 360107              <1> 	add word [ss:bx], ax	; relocate word referenced by entry
   261 00000625 EBED                <1> 	jmp @B
   262                              <1> 
   263                              <1> @@:
   264 00000627 8B56FC              <1> 	mov dx, word [bp + ?instance]
   265                              <1> 				; reset (why??) -> ELD instance in ELD cs
   266                              <1> %if _ELD_LINKER_PASSES
   267 0000062A 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   268 0000062D 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 0000062F 03975C09            <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 00000633 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 00000636 C576F2              <1> 	lds si, [bp + ?nextreloc]
   284 00000639 AD                  <1> 	lodsw			; ax = section indicator
   285 0000063A 85C0                <1> 	test ax, ax		; end of table ?
   286 0000063C 7503E92601          <1> 	jz .donedatareloc
   287 00000641 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 00000642 5B                  <1> 	pop bx
   290 00000643 53                  <1> 	push bx			; bx -> ELD data block
   291 00000644 8946FA              <1> 	mov word [bp + ?targetsection_low_optional_high], ax
   292 00000647 84C0                <1> 	test al, al		; data ?
   293 00000649 AD                  <1> 	lodsw
   294 0000064A 7504                <1> 	jnz @F			; yes -->
   295 0000064C 0346FC              <1> 	add ax, word [bp + ?instance]
   296                              <1> 				; relocate entry into code
   297 0000064F A9                  <1> 	db __TEST_IMM16		; (skip add)
   298                              <1> @@:
   299 00000650 01D8                <1> 	add ax, bx		; relocate entry into data
   300 00000652 8946EE              <1> 	mov word [bp + ?entry], ax
   301                              <1> 				; save away -> where to patch
   302 00000655 AD                  <1> 	lodsw			; get unrelocated -> name
   303 00000656 8976F2              <1> 	mov word [bp + ?nextreloc], si
   304                              <1> 				; update -> behind relocation table entry
   305 00000659 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 0000065C 73D8                <1> 	jnc .datarelocloop	; if duplicate of a not found symbol -->
   311                              <1> %endif
   312 0000065E 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 00000661 268B4F08            <1> 	mov cx, word [es:bx + eldlDataAmount]	; amount data link info
   320 00000665 268B7F0A            <1> 	mov di, word [es:bx + eldlDataPrefixes]	; -> prefixes or hashes
   321                              <1> .datarelocfind:
   322 00000669 83F901              <1> 	cmp cx, 1			; NZ if cx == 0
   323 0000066C F2AF                <1> 	repne scasw			; scan initial
   324 0000066E 7541                <1> 	jne .datarelocnotfound
   325 00000670 57                  <1> 	push di
   326 00000671 51                  <1> 	push cx
   327 00000672 56                  <1> 	push si
   328 00000673 262B7F0A            <1> 	sub di, word [es:bx + eldlDataPrefixes]	; = double index, 1-based
   329 00000677 4F                  <1> 	dec di
   330 00000678 4F                  <1> 	dec di				; 0-based
   331 00000679 26037F0C            <1> 	add di, word [es:bx + eldlDataEntries]	; -> entry
   332 0000067D 268B3D              <1> 	mov di, [es:di]			; -> counted suffix/string
   333 00000680 B500                <1> 	mov ch, 0
   334 00000682 8A0C                <1> 	mov cl, byte [si]		; cx = length
   335 00000684 41                  <1> 	inc cx
   336                              <1> 	; cmp al, al			; ZR if length is zero
   337 00000685 F3A6                <1> 	repe cmpsb			; match ?
   338 00000687 5E                  <1> 	pop si
   339 00000688 59                  <1> 	pop cx
   340 00000689 5F                  <1> 	pop di
   341 0000068A 75DD                <1> 	jne .datarelocfind		; if not found this time,
   342                              <1> 					;  scan for next initial -->
   343 0000068C 8814                <1> 	mov byte [si], dl		; restore the original byte at counter
   344 0000068E 262B7F0A            <1> 	sub di, word [es:bx + eldlDataPrefixes]	; = double index, 1-based
   345 00000692 4F                  <1> 	dec di
   346 00000693 4F                  <1> 	dec di				; 0-based
   347 00000694 26037F0E            <1> 	add di, word [es:bx + eldlDataAddresses]	; -> address (offset)
   348 00000698 268B05              <1> 	mov ax, word [es:di]		; get link data from the table
   349 0000069B E80700              <1> 	call .address_data_reloc
   350                              <1> %if _ELD_RELOC_VSTART
   351 0000069E 2D[0000]            <1> 	sub ax, relocateddata		; *not* a relocation
   352                              <1> %endif
   353 000006A1 0104                <1> 	add word [si], ax		; relocate
   354 000006A3 EB91                <1> 	jmp .datarelocloop
   355                              <1> 
   356                              <1> .address_data_reloc:
   357 000006A5 C576EE              <1> 	lds si, [bp + ?entry]		; -> entry if in ELD code instance
   358 000006A8 807EFA00            <1> 	cmp byte [bp + ?targetsection], 0
   359                              <1> 					; relocation in code ?
   360 000006AC 7402                <1> 	je @F				; yes -->
   361 000006AE 16                  <1> 	push ss
   362 000006AF 1F                  <1> 	pop ds				; => our ELD data block
   363                              <1> @@:
   364 000006B0 C3                  <1> 	retn
   365                              <1> 
   366                              <1> .datarelocnotfound:
   367 000006B1 8814                <1> 	mov byte [si], dl		; restore the original byte at counter
   368 000006B3 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 000006B7 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 000006B9 36F606[0000]02      <1> 	testopt [ss:relocateddata], 2	; debug optional link ?
   403                              <1> linkdatarelocation options7, -3
   404 000006BF 7406                <1> 	jz @F				; no -->
   405 000006C1 BE[510D]            <1> 	mov si, lmsg.warning_data_optional
   406                              <1> internalcoderelocation
   407 000006C4 E82B00              <1> 	call .notfound			; display a warning
   408                              <1> @@:
   409                              <1> %endif
   410 000006C7 E8DBFF              <1> 	call .address_data_reloc
   411 000006CA 832400              <1> 	and word [si], 0		; indicate optional data link failed
   412 000006CD 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 000006D0 BE[730D]            <1> 	mov si, lmsg.error_data
   477                              <1> internalcoderelocation
   478 000006D3 E81C00              <1> 	call .notfound			; display error
   479 000006D6 7203E91F01          <1> 	jnc .error_j			; NC if in pass 0, error out now -->
   480 000006DB FF46E8              <1> 	inc word [bp + ?amounterrors]	; count the amount of errors
   481 000006DE E955FF              <1> 	jmp .datarelocloop		; go to next relocation entry -->
   482                              <1> 
   483                              <1> .codenotfound:
   484 000006E1 BE[8C0D]            <1> 	mov si, lmsg.error_code
   485                              <1> internalcoderelocation
   486 000006E4 E80B00              <1> 	call .notfound			; display error
   487 000006E7 7203E90E01          <1> 	jnc .error_j			; NC if in pass 0 -->
   488 000006EC FF46E8              <1> 	inc word [bp + ?amounterrors]	; count the amount of errors
   489 000006EF E98400              <1> 	jmp .coderelocloop		; go to next -->
   490                              <1> 
   491                              <1> .notfound:
   492 000006F2 807EEA00            <1> 	cmp byte [bp + ?pass], 0q	; pass 0 ?
   493 000006F6 743A                <1> 	je @F				; yes, do not try displaying --> (NC)
   494 000006F8 16                  <1> 	 push ss
   495 000006F9 07                  <1> 	 pop es
   496 000006FA BF[0000]            <1> 	mov di, relocateddata
   497                              <1> linkdatarelocation line_out		; es:di -> line_out buffer
   498 000006FD E83300              <1> 	call .copy			; copy prefix message
   499 00000700 8B76E6              <1> 	mov si, word [bp + ?name]
   500 00000703 AD                  <1> 	lodsw				; = hash
   501 00000704 E8[0000]EB020000    <1> 	extcall hexword			; display the hash in hex
   502 0000070B 56                  <1> 	push si
   503 0000070C BE[A50D]            <1> 	mov si, lmsg.error.2
   504                              <1> internalcoderelocation
   505 0000070F E82100              <1> 	call .copy			; display message fragment
   506 00000712 5E                  <1> 	pop si
   507                              <1> %if _ELD_LINKER_PASSES
   508 00000713 56                  <1> 	push si
   509 00000714 E81C00              <1> 	call .copy			; copy over the full name
   510 00000717 5E                  <1> 	pop si
   511 00000718 C60400              <1> 	mov byte [si], 0		; mark as failed (counter byte = 0)
   512                              <1> %else
   513                              <1> 	call .copy
   514                              <1> %endif
   515 0000071B B022                <1> 	mov al, '"'
   516 0000071D AA                  <1> 	stosb				; end message with a closing quote mark
   517 0000071E 16                  <1> 	 push ss
   518 0000071F 1F                  <1> 	 pop ds
   519 00000720 E8[0000]EB020000    <1> 	extcall putsline_crlf		; display diagnostic line
   520 00000727 B8350E              <1> 	mov ax, 0E35h
   521 0000072A E8[0000]EB020000    <1> 	extcall setrc
   522 00000731 F9                  <1> 	stc				; CY, diagnostic displayed
   523                              <1> @@:
   524 00000732 C3                  <1> 	retn
   525                              <1> 
   526                              <1> .copy:		; (cannot use extcallcall here)
   527 00000733 E8[0000]EB020000    <1> 	extcall copy_single_counted_string
   528 0000073A 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 0000073B 2D[0000]            <1> 	sub ax, code			; revert adjustment (= displacement)
   537                              <1> %endif
   538 0000073E 0346FC              <1> 	add ax, word [bp + ?instance]	; make displacement into -> name string
   539 00000741 96                  <1> 	xchg si, ax			; si -> hash word, counted name string
   540                              <1> %if _ELD_LINKER_PASSES
   541 00000742 8976E6              <1> 	mov word [bp + ?name], si	; save away for diagnostics
   542                              <1> %endif
   543 00000745 AD                  <1> 	lodsw			; = hash, si -> counted string
   544 00000746 8A14                <1> 	mov dl, byte [si]	; dl = original start byte of match
   545                              <1> %if _ELD_LINKER_PASSES
   546 00000748 84D2                <1> 	test dl, dl		; marked as already failed ?
   547 0000074A 750A                <1> 	jnz @F
   548 0000074C 837EE800            <1> 	cmp word [bp + ?amounterrors], 0
   549                              <1> 				; validate error status
   550 00000750 7503E9A500          <1> 	je .error_j		; no error known ?! cancel quickly -->
   551 00000755 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 00000756 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 00000759 720A                <1> 	jc @F			; if to use hash, return now -->
   568 0000075B AC                  <1> 	lodsb			; al = length
   569 0000075C 91                  <1> 	xchg cx, ax		; cl = length
   570 0000075D AD                  <1> 	lodsw			; ax = prefix
   571 0000075E 49                  <1> 	dec cx
   572 0000075F 49                  <1> 	dec cx			; cl = adjusted length
   573 00000760 4E                  <1> 	dec si			; -> second byte of prefix
   574 00000761 8A14                <1> 	mov dl, byte [si]	; dl = original start byte of match
   575 00000763 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 00000765 F9                  <1> 	stc			; CY
   584                              <1> %endif
   585 00000766 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 00000767 8B56FC              <1> 	mov dx, word [bp + ?instance]
   596                              <1> %if _ELD_LINKER_PASSES
   597 0000076A 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   598 0000076D 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 0000076F 03976009            <1> 	add dx, word [linktable - code + ltLinkCode + bx]
   604                              <1>  %endif
   605                              <1> %else
   606                              <1> 	add dx, linkercoderelocations - code
   607                              <1> %endif
   608 00000773 8956F2              <1> 	mov word [bp + ?nextreloc], dx
   609                              <1> 
   610                              <1> .coderelocloop:
   611 00000776 C576F2              <1> 	lds si, [bp + ?nextreloc]
   612 00000779 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 0000077A 0346FC              <1> 	add ax, word [bp + ?instance]
   620 0000077D 8946EE              <1> 	mov word [bp + ?entry], ax
   621 00000780 AD                  <1> 	lodsw
   622 00000781 8976F2              <1> 	mov word [bp + ?nextreloc], si
   623                              <1> %ifn _ELDCALL_OPTIONAL
   624 00000784 85C0                <1> 	test ax, ax			; if no optional word, check -> match
   625 00000786 7503E98100          <1> 	jz .donecodereloc
   626                              <1> %endif
   627 0000078B E8ADFF              <1> 	call .build_match
   628                              <1> %if _ELD_LINKER_PASSES
   629 0000078E 73E6                <1> 	jnc .coderelocloop
   630                              <1> %endif
   631 00000790 C45EF6              <1> 	les bx, [bp + ?linkinfo]
   632 00000793 268B4F10            <1> 	mov cx, word [es:bx + eldlCodeAmount]	; amount code link info
   633 00000797 268B7F12            <1> 	mov di, word [es:bx + eldlCodePrefixes]	; -> prefixes or hashes
   634                              <1> .coderelocfind:
   635 0000079B 83F901              <1> 	cmp cx, 1			; NZ if cx == 0
   636 0000079E 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 000007A0 7403E93CFF          <1> 	jne .codenotfound
   647                              <1>  %endif
   648                              <1> %endif
   649 000007A5 57                  <1> 	push di
   650 000007A6 51                  <1> 	push cx
   651 000007A7 56                  <1> 	push si
   652 000007A8 262B7F12            <1> 	sub di, word [es:bx + eldlCodePrefixes]	; = double index, 1-based
   653 000007AC 4F                  <1> 	dec di
   654 000007AD 4F                  <1> 	dec di				; 0-based
   655 000007AE 26037F14            <1> 	add di, word [es:bx + eldlCodeEntries]	; -> entry
   656 000007B2 268B3D              <1> 	mov di, [es:di]			; -> counted suffix/string
   657 000007B5 B500                <1> 	mov ch, 0
   658 000007B7 8A0C                <1> 	mov cl, byte [si]		; cx = length
   659 000007B9 41                  <1> 	inc cx
   660                              <1> 	; cmp al, al			; ZR if length is zero
   661 000007BA F3A6                <1> 	repe cmpsb			; match ?
   662 000007BC 5E                  <1> 	pop si
   663 000007BD 59                  <1> 	pop cx
   664 000007BE 5F                  <1> 	pop di
   665 000007BF 75DA                <1> 	jne .coderelocfind
   666 000007C1 8814                <1> 	mov byte [si], dl
   667 000007C3 262B7F12            <1> 	sub di, word [es:bx + eldlCodePrefixes]	; = double index, 1-based
   668 000007C7 4F                  <1> 	dec di
   669 000007C8 4F                  <1> 	dec di				; 0-based
   670 000007C9 01FF                <1> 	add di, di			; quadruple index
   671 000007CB 26037F16            <1> 	add di, word [es:bx + eldlCodeAddresses]	; -> address (offset, segment)
   672 000007CF 26FF35              <1> 	push word [es:di]
   673 000007D2 C576EE              <1> 	lds si, [bp + ?entry]
   674 000007D5 8F4405              <1> 	pop word [si + 3 + 2]		; call near imm (3), jmp short (2)
   675                              <1> 					;  patch the destination address
   676 000007D8 803CE8              <1> 	cmp byte [si], 0E8h		; is it as expected ?
   677 000007DB 751D                <1> 	jne .error_j
   678 000007DD 268B7D02            <1> 	mov di, word [es:di + 2]
   679 000007E1 BB[0000]            <1> 	mov bx, relocateddata
   680                              <1> linkdatarelocation linkcall_table	; ss:bx -> link call table
   681 000007E4 36833F01            <1> 	cmp word [ss:bx], 1		; is it initialised to format 1 ?
   682 000007E8 7510                <1> 	jne .error_j			; no -->
   683 000007EA 368B4F02            <1> 	mov cx, word [ss:bx + 2]	; get amount of segments
   684 000007EE E30A                <1> 	jcxz .error_j			; none -->
   685                              <1> @@:
   686 000007F0 83C304              <1> 	add bx, 4			; -> next segment
   687 000007F3 36393F              <1> 	cmp word [ss:bx], di		; value matches ?
   688 000007F6 7405                <1> 	je @F				; yes, found -->
   689 000007F8 E2F6                <1> 	loop @B				; try remaining segments
   690                              <1> .error_j:
   691 000007FA E98A00              <1> 	jmp .error
   692                              <1> 
   693                              <1> @@:
   694 000007FD 368B5F02            <1> 	mov bx, word [ss:bx + 2]	; -> call destination offset
   695                              <1> 		; si + 3 + delta = bx
   696                              <1> 		; delta = bx - si - 3
   697 00000801 29F3                <1> 	sub bx, si
   698 00000803 83EB03              <1> 	sub bx, 3
   699 00000806 895C01              <1> 	mov word [si + 1], bx		; patch the call instruction
   700 00000809 E96AFF              <1> 	jmp .coderelocloop
   701                              <1> 
   702                              <1> .donecodereloc:
   703                              <1> %if _ELD_LINKER_PASSES
   704 0000080C 8B46E8              <1> 	mov ax, word [bp + ?amounterrors]
   705 0000080F 85C0                <1> 	test ax, ax
   706 00000811 75E7                <1> 	jnz .error_j
   707 00000813 8B5EEA              <1> 	mov bx, word [bp + ?pass]
   708 00000816 85DB                <1> 	test bx, bx
   709 00000818 750B                <1> 	jnz @F
   710 0000081A 43                  <1> 	inc bx
   711 0000081B 43                  <1> 	inc bx
   712 0000081C 895EEA              <1> 	mov word [bp + ?pass], bx
   713 0000081F 8B56FC              <1> 	mov dx, word [bp + ?instance]
   714 00000822 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 00000825 16                  <1> 	push ss
   723 00000826 1F                  <1> 	pop ds
   724 00000827 B02D                <1> 	mov al, 2Dh
   725 00000829 E8[0000]EB020000    <1> 	extcall intchk			; ZR if offset = -1 or segment = 0
   726                              <1> 					; CHG: ax, dx, bx
   727 00000830 7437                <1> 	jz .no_hint
   728                              <1> 
   729 00000832 8A26[0000]          <1> 	mov ah, byte [relocateddata]
   730                              <1> linkdatarelocation try_debugger_amis_multiplex_number
   731 00000836 E85500              <1> 	call plex_check
   732 00000839 7305                <1> 	jnc @F
   733                              <1> 
   734 0000083B B4FF                <1> 	mov ah, 0FFh		; start with multiplex number 0FFh
   735                              <1> .loop_hint:
   736 0000083D E84E00              <1> 	call plex_check
   737                              <1> @@:
   738 00000840 7307                <1> 	jnc .end_hint		; if found --> (NC)
   739 00000842 80EC01              <1> 	sub ah, 1		; search is backward (to find latest installed first), from 0FFh to 00h including
   740 00000845 73F6                <1> 	jnc .loop_hint		; try next if we didn't check all yet -->
   741 00000847 EB20                <1> 	jmp .no_hint
   742                              <1> 
   743                              <1> .end_hint:
   744 00000849 50                  <1> 	push ax
   745 0000084A C446FC              <1> 	les ax, [bp + ?instance]
   746 0000084D BF[060B]            <1> 	mov di, listmsg.hint.offset
   747                              <1> internalcoderelocation
   748 00000850 E8[0000]EB020000    <1> 	extcall hexword
   749 00000857 BB[E40A]            <1> 	mov bx, listmsg.hint
   750                              <1> internalcoderelocation
   751 0000085A 368B16[0000]        <1> 	mov dx, [ss:relocateddata]
   752                              <1> linkdatarelocation extseg	; must be 86 Mode segment even in PM
   753 0000085F 58                  <1> 	pop ax
   754 00000860 B040                <1> 	mov al, 40h		; AMIS message display service
   755 00000862 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 00000869 5B                  <1> 	pop bx				; -> our heap data
   855 0000086A 5E                  <1> 	pop si				; -> our command line tail
   856 0000086B 16                  <1> 	 push ss
   857 0000086C 1F                  <1> 	 pop ds
   858 0000086D C47EFC              <1> 	les di, [bp + ?instance]
   859 00000870 268B4502            <1> 	mov ax, word [es:di + eldiEndCode]
   860                              <1> houdini
   861 00000874 2D[9005]            <1> 	sub ax, strict word endresident + code
   862                              <1> internalcoderelocation
   863 00000877 26C74502[9005]      <1> 	mov word [es:di + eldiEndCode], endresident + code
   864                              <1> internalcoderelocation
   865 0000087D 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 00000881 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 00000884 E971FB              <1> 	jmp start
   879                              <1> 
   880                              <1> .error:
   881 00000887 89EC5D              <1> 	lleave
   882 0000088A B8FFFF              <1> 	mov ax, -1
   883 0000088D 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 0000088E 16                  <1> 	push ss
   901 0000088F 1F                  <1> 	pop ds
   902 00000890 F606[0000]08        <1> 	testopt [relocateddata], 8
   903                              <1> linkdatarelocation internalflags4, -3
   904 00000895 740B                <1> 	jz @F
   905 00000897 BE[0000]            <1> 	mov si, relocateddata
   906                              <1> linkdatarelocation amis_multiplex_number, -2, optional
   907 0000089A 85F6                <1> 	test si, si
   908 0000089C 7404                <1> 	jz @F
   909 0000089E 3A24                <1> 	cmp ah, byte [si]
   910 000008A0 7420                <1> 	je .notfound		; do not use our own multiplexer -->
   911                              <1> @@:
   912 000008A2 B000                <1> 	mov al, 00h		; AMIS installation check
   913 000008A4 E8[0000]EB020000    <1> 	extcall call_int2D	; AMIS (or "DOS reserved" = iret if no AMIS present)
   914 000008AB 3CFF                <1> 	cmp al, 0FFh
   915 000008AD 7513                <1> 	jne .notfound
   916 000008AF 0E                  <1> 	push cs
   917 000008B0 1F                  <1> 	pop ds
   918 000008B1 BE[D40A]            <1> 	mov si, debuggeramissig	; ds:si -> our AMIS name strings
   919                              <1> internalcoderelocation
   920 000008B4 E8[0000]EB020000    <1> 	extcall setes2dx	; es:di -> name strings of AMIS multiplexer that just answered
   921 000008BB B90800              <1> 	mov cx, 8		; Ignore description, only compare vendor and program name
   922 000008BE F3A7                <1> 	repe cmpsw
   923 000008C0 7401                <1> 	je .checkret		; ZR, NC = match -->
   924                              <1> .notfound:
   925 000008C2 F9                  <1> 	stc			; CY no match
   926                              <1> .checkret:
   927 000008C3 C3                  <1> 	retn
   928                              <1> %endif
   929                              <1> 
   930                              <1> 
   931                              <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 000008C4 2200[0E0B]8E03-     <1> 	dw ELDCALL_CODE_RELOCATIONS, 0, 0
   936 000008CA [220B]9803[2A0B]A0- <1>
   936 000008D1 03[360B]A803[420B]- <1>
   936 000008D8 B003[4E0B]B803-     <1>
   936 000008DE [570B]C003[5E0B]C8- <1>
   936 000008E5 03[6D0B]D003[830B]- <1>
   936 000008EC D803[8F0B]E003-     <1>
   936 000008F2 [970B]E803[9F0B]F0- <1>
   936 000008F9 03[AA0B]2804[970B]- <1>
   936 00000900 5E04[B10B]6704-     <1>
   936 00000906 [B80B]7004[B80B]85- <1>
   936 0000090D 04[6D0B]D504[5E0B]- <1>
   936 00000914 EA04[420B]FC04-     <1>
   936 0000091A [BF0B]3305[4E0B]29- <1>
   936 00000921 08[060C]5008[CF0B]- <1>
   936 00000928 6208[0F0C]A408-     <1>
   936 0000092E [0F0C]B408[9F0B]00- <1>
   936 00000935 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 00000938 0407[CF0B]2007-     <1> 	dw ELDCALL_LINKER_CODE_RELOCATIONS, 0, 0
   944 0000093E [D90B]2A07[8F0B]33- <1>
   944 00000945 07[E90B]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 0000094C C40A                <1> 	dw internallinkercodetocoderelocations - code
   952 0000094E 560A                <1> 	dw internalcodetocoderelocations - code
   953                              <1> at ltCodeToData
   954 00000950 CE0A                <1> 	dw internallinkercodetodatarelocations - code
   955 00000952 7E0A                <1> 	dw internalcodetodatarelocations - code
   956                              <1> at ltDataToCode
   957 00000954 D00A                <1> 	dw internallinkerdatatocoderelocations - code
   958 00000956 AC0A                <1> 	dw internaldatatocoderelocations - code
   959                              <1> at ltDataToData
   960 00000958 D20A                <1> 	dw internallinkerdatatodatarelocations - code
   961 0000095A AE0A                <1> 	dw internaldatatodatarelocations - code
   962                              <1> at ltLinkData
   963 0000095C B00A                <1> 	dw linkerlinkerdatarelocations - code
   964 0000095E 6409                <1> 	dw linkerdatarelocations - code
   965                              <1> at ltLinkCode
   966 00000960 3809                <1> 	dw linkerlinkercoderelocations - code
   967 00000962 C408                <1> 	dw linkercoderelocations - code
   968                              <1> 	iend
   969                              <1> %endif
   970                              <1> 
   971                              <1> 	align 2, db 0
   972                              <1> linkerdatarelocations:
   973 00000964 01004800[1C0C]0100- <1> 	dw LINK_DATA_RELOCATIONS, 0
   973 0000096C 7A00[2C0C]01008500- <1>
   973 00000974 [3A0C]01008900-     <1>
   973 0000097A [3A0C]01009200-     <1>
   973 00000980 [3A0C]0100B800-     <1>
   973 00000986 [2C0C]0100C000-     <1>
   973 0000098C [3A0C]0100D500-     <1>
   973 00000992 [440C]0101E300-     <1>
   973 00000998 [5D0C]0100F000-     <1>
   973 0000099E [750C]0100F200-     <1>
   973 000009A4 [7F0C]01000D01-     <1>
   973 000009AA [3A0C]01003301-     <1>
   973 000009B0 [880C]0100B601-     <1>
   973 000009B6 [880C]0100F701-     <1>
   973 000009BC [880C]01008F02-     <1>
   973 000009C2 [880C]01001003-     <1>
   973 000009C8 [930C]01001903-     <1>
   973 000009CE [9E0C]01002D03-     <1>
   973 000009D4 [440C]01005103-     <1>
   973 000009DA [440C]01000104-     <1>
   973 000009E0 [A70C]01003804-     <1>
   973 000009E6 [B50C]01004804-     <1>
   973 000009EC [C00C]01005504-     <1>
   973 000009F2 [CE0C]01009004-     <1>
   973 000009F8 [3A0C]01009E04-     <1>
   973 000009FE [3A0C]0100B704-     <1>
   973 00000A04 [DD0C]0100C704-     <1>
   973 00000A0A [DD0C]0100CF04-     <1>
   973 00000A10 [3A0C]0100E704-     <1>
   973 00000A16 [DD0C]01004605-     <1>
   973 00000A1C [C00C]01005205-     <1>
   973 00000A22 [CE0C]01005605-     <1>
   973 00000A28 [440C]01007105-     <1>
   973 00000A2E [440C]01007705-     <1>
   973 00000A34 [B50C]01003408-     <1>
   973 00000A3A [030D]01005D08-     <1>
   973 00000A40 [9E0C]01007F08-     <1>
   973 00000A46 [C00C]01009208-     <1>
   973 00000A4C [280D]01019808-     <1>
   973 00000A52 [390D]0000          <1>
   974                              <1> 
   975                              <1> 	align 2, db 0
   976                              <1> internalcodetocoderelocations:
   977 00000A56 280375033F0444044C- <1> 	dw INTERNAL_CODE_TO_CODE_RELOCATIONS, 0
   977 00000A5F 045104C204C904F704- <1>
   977 00000A68 42054E0559056C0573- <1>
   977 00000A71 054E08580875087B08- <1>
   977 00000A7A B2080000            <1>
   978                              <1> 
   979                              <1> 	align 2, db 0
   980                              <1> internalcodetodatarelocations:
   981 00000A7E 34003C0055005F0067- <1> 	dw INTERNAL_CODE_TO_DATA_RELOCATIONS, 0
   981 00000A87 007200DD006A02C902- <1>
   981 00000A90 79038A030C0414041C- <1>
   981 00000A99 042604B404BA04D304- <1>
   981 00000AA2 E4040B0525057D0500- <1>
   981 00000AAB 00                  <1>
   982                              <1> 
   983                              <1> 	align 2, db 0
   984                              <1> internaldatatocoderelocations:
   985 00000AAC FFFF                <1> 	dw INTERNAL_DATA_TO_CODE_RELOCATIONS, -1
   986                              <1> 
   987                              <1> 	align 2, db 0
   988                              <1> internaldatatodatarelocations:
   989 00000AAE FFFF                <1> 	dw INTERNAL_DATA_TO_DATA_RELOCATIONS, -1
   990                              <1> 
   991                              <1> %if _ELD_LINKER_PASSES
   992                              <1> 	align 2, db 0
   993                              <1> linkerlinkerdatarelocations:
   994 00000AB0 0100BC06[B50C]0100- <1> 	dw LINK_LINKER_DATA_RELOCATIONS, 0
   994 00000AB8 FB06[880C]0100E207- <1>
   994 00000AC0 [F20C]0000          <1>
   995                              <1> 
   996                              <1> 	align 2, db 0
   997                              <1> internallinkercodetocoderelocations:
   998 00000AC4 C206D106E2060D0700- <1> 	dw INTERNAL_LINKER_CODE_TO_CODE_RELOCATIONS, 0
   998 00000ACD 00                  <1>
   999                              <1> 
  1000                              <1> 	align 2, db 0
  1001                              <1> internallinkercodetodatarelocations:
  1002 00000ACE 0000                <1> 	dw INTERNAL_LINKER_CODE_TO_DATA_RELOCATIONS, 0
  1003                              <1> 
  1004                              <1> 	align 2, db 0
  1005                              <1> internallinkerdatatocoderelocations:
  1006 00000AD0 FFFF                <1> 	dw INTERNAL_LINKER_DATA_TO_CODE_RELOCATIONS, -1
  1007                              <1> 
  1008                              <1> 	align 2, db 0
  1009                              <1> internallinkerdatatodatarelocations:
  1010 00000AD2 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 00000AD4 65636D20<rep 5h>    <1> 		fill 8, 32, db "ecm"
  1027 00000ADC 6C446562756720-     <1> 		fill 8, 32, db "lDebug"
  1027 00000ADC <rep 2h>            <1>
  1028                              <1> %endif
  1029                              <1> 
  1030                              <1> %ifnidni _LISTING, ""
  1031                              <1> listmsg:
  1032 00000AE4 547261634C6973742D- <1> .hint:		db "TracList-add-offset=",_LISTING,"::"
  1032 00000AED 6164642D6F66667365- <1>
  1032 00000AF6 743D7661726961626C- <1>
  1032 00000AFF 652E6C73743A3A      <1>
  1033 00000B06 2D2D2D2D680D0A00    <1> .hint.offset:	asciz "----h",13,10
  1034                              <1> %endif
  1035                              <1> 
  1036 00000B0E 702A11636D64335F70- <1> 	eldcall_dump_names ELDCALL_CODE_NAMES
  1036 00000B17 726570726F63657373- <1>
  1036 00000B20 6564A7AA056572726F- <1>
  1036 00000B29 72D55509736B697063- <1>
  1036 00000B32 6F6D6D6103C3096973- <1>
  1036 00000B3B 737472696E673F29EF- <1>
  1036 00000B44 09736B697077686974- <1>
  1036 00000B4D 65DDB90663686B656F- <1>
  1036 00000B56 6CBABD04636D6433A5- <1>
  1036 00000B5F 330C79795F72657365- <1>
  1036 00000B68 745F62756684901369- <1>
  1036 00000B71 73656F6C3F2E6E6F74- <1>
  1036 00000B7A 73656D69636F6C6F6E- <1>
  1036 00000B83 F12309757070657263- <1>
  1036 00000B8C 617365B21205736574- <1>
  1036 00000B95 726355120570757473- <1>
  1036 00000B9E 7AB774087365746573- <1>
  1036 00000BA7 326478289004697370- <1>
  1036 00000BB0 6DC5C60470757473B5- <1>
  1036 00000BB9 C60470757463D5DA0D- <1>
  1036 00000BC2 636D64335F696E6A65- <1>
  1036 00000BCB 637465648481076865- <1>
  1036 00000BD4 78776F72646FA20D70- <1>
  1036 00000BDD 7574736C696E655F63- <1>
  1036 00000BE6 726C66D0BB1A636F70- <1>
  1036 00000BEF 795F73696E676C655F- <1>
  1036 00000BF8 636F756E7465645F73- <1>
  1036 00000C01 7472696E6798690669- <1>
  1036 00000C0A 6E7463686B21300A63- <1>
  1036 00000C13 616C6C5F696E743244  <1>
  1037 00000C1C 54400D6D73672E756E- <1> 	link_data_dump_names LINK_DATA_NAMES
  1037 00000C25 696E7374616C6C9C3C- <1>
  1037 00000C2E 0B6C696E655F696E2E- <1>
  1037 00000C37 656E642F7A076C696E- <1>
  1037 00000C40 655F696E9648166578- <1>
  1037 00000C49 745F70726570726F63- <1>
  1037 00000C52 6573735F68616E646C- <1>
  1037 00000C5B 657226EB15696E6469- <1>
  1037 00000C64 726563745F61727261- <1>
  1037 00000C6D 795F657272666978C3- <1>
  1037 00000C76 0B076C617374636D64- <1>
  1037 00000C7F 6B5D06646D79636D64- <1>
  1037 00000C88 84E3086C696E655F6F- <1>
  1037 00000C91 7574EB420865787464- <1>
  1037 00000C9A 7373656CD52D066578- <1>
  1037 00000CA3 747365678D710B6D73- <1>
  1037 00000CAC 672E696E7374616C6C- <1>
  1037 00000CB5 5ABC086F7074696F6E- <1>
  1037 00000CBE 7337E7D30B65787473- <1>
  1037 00000CC7 65675F75736564B240- <1>
  1037 00000CD0 0C657874646174615F- <1>
  1037 00000CD9 757365643B26126578- <1>
  1037 00000CE2 745F696E6A6563745F- <1>
  1037 00000CEB 68616E646C65726844- <1>
  1037 00000CF4 0E6C696E6B63616C6C- <1>
  1037 00000CFD 5F7461626C65F09E22- <1>
  1037 00000D06 7472795F6465627567- <1>
  1037 00000D0F 6765725F616D69735F- <1>
  1037 00000D18 6D756C7469706C6578- <1>
  1037 00000D21 5F6E756D626572CB51- <1>
  1037 00000D2A 0E696E7465726E616C- <1>
  1037 00000D33 666C61677334688C15- <1>
  1037 00000D3C 616D69735F6D756C74- <1>
  1037 00000D45 69706C65785F6E756D- <1>
  1037 00000D4E 626572              <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 00000D51 214F7074696F6E616C- <1> .warning_data_optional:		counted "Optional data link missing, hash="
  1047 00000D5A 2064617461206C696E- <1>
  1047 00000D63 6B206D697373696E67- <1>
  1047 00000D6C 2C20686173683D      <1>
  1048 00000D73 1844617461206C696E- <1> .error_data:			counted "Data link missing, hash="
  1048 00000D7C 6B206D697373696E67- <1>
  1048 00000D85 2C20686173683D      <1>
  1049 00000D8C 18436F6465206C696E- <1> .error_code:			counted "Code link missing, hash="
  1049 00000D95 6B206D697373696E67- <1>
  1049 00000D9E 2C20686173683D      <1>
  1050 00000DA5 0A682C206C6162656C- <1> .error.2:			counted "h, label ",'"'
  1050 00000DAE 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                              <1> 	align 16, db 0
  1012                                  
  1013                                  	align 16
  1014                                  code_size equ $ - code
