PSP.Reserved53: equ 53h

	org 256
start:
jmp strict short $

TsrBottom:
	times LEN int3
	align 16
TsrTop:

Shift EQU TsrBottom - start + 256 - PSP.Reserved53
paras equ (TsrTop - start + 256 - Shift)/16

%assign shiftnumber Shift
%assign wantalloc LEN + PSP.Reserved53
%assign havealloc paras*16
%warning shift is shiftnumber, want wantalloc bytes, have havealloc bytes