1200 lines
20 KiB
NASM
1200 lines
20 KiB
NASM
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; macros.asm Modified by Joe Huffman June 13, 1990
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; Copyright (C) 1985-1990 by Walter Bright
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; All Rights Reserved
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; Written by Walter Bright and Joe Huffman
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ifdef _WINDOWS
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extrn MESSAGEFATALERROR : far
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; /* Global Memory Flags */
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GMEM_FIXED equ 0000h
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GMEM_MOVEABLE equ 0002h
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GMEM_NOCOMPACT equ 0010h
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GMEM_NODISCARD equ 0020h
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GMEM_ZEROINIT equ 0040h
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GMEM_MODIFY equ 0080h
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GMEM_DISCARDABLE equ 0100h
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GMEM_NOT_BANKED equ 1000h
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GMEM_SHARE equ 2000h
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GMEM_DDESHARE equ 2000h
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GMEM_NOTIFY equ 4000h
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endif
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ifndef M_I386
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; modified for RATIONAL support by P Murray, April 1990
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; define DOS16RM for protected mode programs
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; Determine which memory model we are assembling for. For .COM files,
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; force S model.
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ifdef DOS16RM
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ifndef I8086L
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%out Only L model supported with RATIONAL DOS Extender.
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end
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endif
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else
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ifdef I8086T
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I8086S equ 1
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else
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ifndef I8086S
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ifndef I8086M
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ifndef I8086C
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ifndef I8086L ;if none of the memory models are defined
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ifndef I8086V
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I8086S equ 1 ;default to S model
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endif ;I8086V
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endif ;I8086L
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endif ;I8086C
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endif ;I8086M
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endif ;I8086S
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endif ;I8086T
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endif ;DOS16RM
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ifdef __OS2__
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.286C
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endif
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ifdef DOS16RM
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.286P
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endif
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ifndef I386
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I386 equ 0
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endif
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;Decide if SI and DI are saved across function calls
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SAVESIDI equ 1 ;1 means SI and DI are saved across functions
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MSC equ 1 ;ifdef means use Microsoft C calling conventions
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;ifndef means use Lattice
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; Macros to bracket data segment stuff.
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ifndef STARTUP
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begdata macro
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ifdef DOS16RM
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;Segment so we can find the start of DGROUP
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NULL segment para public 'BEGDATA' ;Note PARAGRAPH alignment
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NULL ends
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endif
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_DATA segment word public 'DATA'
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_DATA ends
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CONST segment word public 'CONST'
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CONST ends
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_BSS segment word public 'BSS'
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_BSS ends
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ifdef DOS16RM
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DGROUP group NULL,_DATA,CONST,_BSS
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else
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DGROUP group _DATA,CONST,_BSS
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endif
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_DATA segment
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assume ds:DGROUP
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endm
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endif ; STARTUP
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enddata macro
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_DATA ends
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endm
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Macros specific to each memory model in an attempt to make it easier
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; to write memory model independent code.
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; begcode,endcode Use to bracket code sections
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; P Offset on BP to first argument on stack
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; (excluding any local variables)
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; SPTR 1 if small data model
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; LPTR 1 if large pointers (large data)
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; LCODE 1 if large code model
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; ESeqDS 1 if ES == DS at all times
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; SSeqDS 1 if SS == DS at all times
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; SIZEPTR # of bytes in a pointer
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; func Declare a function as NEAR or FAR
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; callm Call function as NEAR or FAR
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;;;;;;;;;;;;;; SMALL MEMORY MODEL ;;;;;;;;;;;;;;;;;
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ifndef DOS16RM
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ifdef I8086S
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begcode macro module
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_TEXT segment word public 'CODE'
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assume cs:_TEXT
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endm
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endcode macro module
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_TEXT ENDS
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endm
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P equ 4 ; Offset of start of parameters on the stack frame
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SPTR equ 1
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LPTR equ 0
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LCODE equ 0
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ESeqDS equ 0
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SSeqDS equ 1
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SIZEPTR equ 2 ; Size of a pointer
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p_func macro name
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name proc near
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endm
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p_endp macro name
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name endp
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endm
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callp macro name
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call near ptr name
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endm
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func macro name
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_&name proc near
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call near ptr _&name
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endm
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endif
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;;;;;;;;;;;;;;;;; MEDIUM MEMORY MODEL ;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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ifdef I8086M
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begcode macro module
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module&_TEXT segment word public 'CODE'
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assume cs:module&_TEXT
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endm
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endcode macro module
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module&_TEXT ends
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endm
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P equ 6 ; Offset of start of parameters on the stack frame
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SPTR equ 1
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LPTR equ 0
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LCODE equ 1
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ESeqDS equ 0
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SSeqDS equ 1
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SIZEPTR equ 2
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p_func macro name
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name proc far
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endm
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p_endp macro name
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name endp
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endm
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callp macro name
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call far ptr name
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endm
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func macro name
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_&name proc far
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call far ptr _&name
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endm
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endif
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;;;;;;;;;;;;;;;;; COMPACT MEMORY MODEL ;;;;;;;;;;;;;;
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ifdef I8086C
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begcode macro module
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_TEXT segment word public 'CODE'
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assume cs:_TEXT
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endm
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endcode macro module
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_TEXT ends
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endm
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P equ 4 ; Offset of start of parameters on the stack frame
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SPTR equ 0
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LPTR equ 1
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LCODE equ 0
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ESeqDS equ 0
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SSeqDS equ 0
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SIZEPTR equ 4
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p_func macro name
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name proc near
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endm
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p_endp macro name
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name endp
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endm
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callp macro name
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call near ptr name
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endm
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func macro name
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_&name proc near
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call near ptr _&name
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endm
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endif
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endif
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;;;;;;;;;;;;;;;; LARGE MEMORY MODEL ;;;;;;;;;;;;;;;;;;;
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ifdef I8086L
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ifdef DOS16RM
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LARGE equ 1
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endif
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begcode macro module
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ifdef DOS16RM
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module&_TEXT segment word public 'CODE'
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else
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module&_TEXT segment word public 'CODE'
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endif
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assume cs:module&_TEXT
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endm
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endcode macro module
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module&_TEXT ends
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endm
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P equ 6 ; Offset of start of parameters on the stack frame
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SPTR equ 0
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LPTR equ 1
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LCODE equ 1
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ESeqDS equ 0
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SSeqDS equ 0
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SIZEPTR equ 4
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p_func macro name
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name proc far
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endm
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p_endp macro name
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name endp
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endm
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callp macro name
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call far ptr name
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endm
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func macro name
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_&name proc far
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call far ptr _&name
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endm
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endif
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;;;;;;;;;;;;;;;; OVERLAY MEMORY MODEL ;;;;;;;;;;;;;;;;;;;
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ifndef DOS16RM
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ifdef I8086V
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begcode macro module
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module&_TEXT segment word public 'CODE'
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assume cs:module&_TEXT
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endm
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endcode macro module
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module&_TEXT ends
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endm
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P equ 6 ; Offset of start of parameters on the stack frame
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SPTR equ 0
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LPTR equ 1
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LCODE equ 1
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ESeqDS equ 0
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SSeqDS equ 0
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SIZEPTR equ 4
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p_func macro name
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name proc far
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endm
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p_endp macro name
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name endp
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endm
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callp macro name
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call far ptr name
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endm
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func macro name
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_&name proc far
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ifndef name
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name equ _&name
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endif
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endm
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callm macro name
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call far ptr _&name
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endm
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endif
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endif
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;Macros to replace public, extrn, and endp for C-callable assembly routines,
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; and to define labels: c_label defines labels,
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; c_public replaces public, c_extrn replaces extrn, and c_endp replaces endp
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c_name macro name
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name equ _&name
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endm
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c_label macro name
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_&name:
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endm
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c_public macro a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
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ifnb <a> ;;Check for blank argument
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public _&a
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a equ _&a
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ifnb <b>
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c_public b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
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endif
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endif
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endm
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c_extrn macro a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
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ifnb <a> ;;Check for blank argument
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extrn _&a:b
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a equ _&a
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ifnb <c>
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c_extrn c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
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endif
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endif
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endm
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c_endp macro name
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_&name ENDP
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endm
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Define function ctor as a static constructor
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static_ctor macro ctor
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if LCODE
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XIFB segment word public 'DATA'
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XIFB ends
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XIF segment word public 'DATA'
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dd ctor
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XIF ends
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XIFE segment word public 'DATA'
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XIFE ends
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else
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XIB segment word public 'DATA'
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XIB ends
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XI segment word public 'DATA'
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dw ctor
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XI ends
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XIE segment word public 'DATA'
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XIE ends
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endif
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endm
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Define function ctor as a static destructor
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static_dtor macro dtor
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if LCODE
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XCFB segment word public 'DATA'
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XCFB ends
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XCF segment word public 'DATA'
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dd dtor
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XCF ends
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XCFE segment word public 'DATA'
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XCFE ends
|
|||
|
|
else
|
|||
|
|
XCB segment word public 'DATA'
|
|||
|
|
XCB ends
|
|||
|
|
XC segment word public 'DATA'
|
|||
|
|
dw dtor
|
|||
|
|
XC ends
|
|||
|
|
XCE segment word public 'DATA'
|
|||
|
|
XCE ends
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Other more or less useful macros
|
|||
|
|
; Commented out ones are obsolete
|
|||
|
|
|
|||
|
|
;setESeqDS macro ;set ES == DS, if not already true
|
|||
|
|
; ife ESeqDS
|
|||
|
|
; push DS
|
|||
|
|
; pop ES
|
|||
|
|
; endif
|
|||
|
|
; endm
|
|||
|
|
|
|||
|
|
.push macro list
|
|||
|
|
irp arg,<list>
|
|||
|
|
push arg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
.pop macro list
|
|||
|
|
irp arg,<list>
|
|||
|
|
pop arg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Macros to save and restore regs destroyed by a function
|
|||
|
|
|
|||
|
|
.save macro list
|
|||
|
|
if SAVESIDI
|
|||
|
|
irp arg,<list>
|
|||
|
|
push arg
|
|||
|
|
endm
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
.restore macro list
|
|||
|
|
if SAVESIDI
|
|||
|
|
irp arg,<list>
|
|||
|
|
pop arg
|
|||
|
|
endm
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Macros to save and restore ES, but only if ESeqDS is 1.
|
|||
|
|
;pushES macro
|
|||
|
|
; if ESeqDS
|
|||
|
|
; push ES
|
|||
|
|
; endif
|
|||
|
|
; endm
|
|||
|
|
;
|
|||
|
|
;popES macro
|
|||
|
|
; if ESeqDS
|
|||
|
|
; pop ES
|
|||
|
|
; endif
|
|||
|
|
; endm
|
|||
|
|
|
|||
|
|
clr macro list ;clear a register
|
|||
|
|
irp reg,<list>
|
|||
|
|
xor reg,reg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
tst macro reg
|
|||
|
|
or reg,reg
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
jmps macro lbl
|
|||
|
|
jmp short lbl
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
.if macro arg1,cond,arg2,lbl
|
|||
|
|
cmp arg1,arg2
|
|||
|
|
j&cond lbl
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;sob macro arg,lbl
|
|||
|
|
; ifidn <arg>,<CX>
|
|||
|
|
; loop lbl
|
|||
|
|
; else
|
|||
|
|
; dec arg
|
|||
|
|
; jnz lbl
|
|||
|
|
; endif
|
|||
|
|
; endm
|
|||
|
|
|
|||
|
|
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
extrn DOS3CALL : far
|
|||
|
|
endif
|
|||
|
|
ifndef nobdos
|
|||
|
|
bdos macro func
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AH,func
|
|||
|
|
endif
|
|||
|
|
ifndef _WINDOWS
|
|||
|
|
int 21h
|
|||
|
|
else
|
|||
|
|
call DOS3CALL
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
dpmi macro func
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AX,func
|
|||
|
|
endif
|
|||
|
|
int 31h
|
|||
|
|
endm
|
|||
|
|
else
|
|||
|
|
__bdos macro func
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AH,func
|
|||
|
|
endif
|
|||
|
|
ifndef _WINDOWS
|
|||
|
|
int 21h
|
|||
|
|
else
|
|||
|
|
call DOS3CALL
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
__dpmi macro func
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AX,func
|
|||
|
|
endif
|
|||
|
|
int 31h
|
|||
|
|
endm
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
.retf macro val ;force assembler to build a far return
|
|||
|
|
ifnb <val>
|
|||
|
|
db 0CAh
|
|||
|
|
dw val
|
|||
|
|
else
|
|||
|
|
db 0CBh
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Sometimes MASM ignores my segment overrides.
|
|||
|
|
segES macro
|
|||
|
|
db 26h
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; 32 bit negate
|
|||
|
|
neg32 macro reg1,reg2
|
|||
|
|
neg reg1
|
|||
|
|
neg reg2
|
|||
|
|
sbb reg1,0
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Push immediate (reg is for scratch)
|
|||
|
|
pushi macro reg,value
|
|||
|
|
if 0
|
|||
|
|
push value ;for 286 code generation only
|
|||
|
|
else
|
|||
|
|
mov reg,value
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Inc/dec BP if I8086V memory model
|
|||
|
|
incBP macro
|
|||
|
|
ifdef I8086V
|
|||
|
|
inc BP
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
decBP macro
|
|||
|
|
ifdef I8086V
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINENTER macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
inc BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
push BP
|
|||
|
|
mov BP,SP
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINLEAVE macro
|
|||
|
|
pop BP
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINENTER_VCM macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
inc BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
else
|
|||
|
|
ifdef I8086V
|
|||
|
|
inc BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
push BP
|
|||
|
|
mov BP,SP
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINLEAVE_VCM macro
|
|||
|
|
pop BP
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
else
|
|||
|
|
ifdef I8086V
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINENTER_NF macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
inc BP
|
|||
|
|
push BP
|
|||
|
|
mov BP,SP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINLEAVE_NF macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
pop BP
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINENTER_VCM_NF macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
inc BP
|
|||
|
|
push BP
|
|||
|
|
mov BP,SP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
else
|
|||
|
|
ifdef I8086V
|
|||
|
|
inc BP
|
|||
|
|
push BP
|
|||
|
|
mov BP,SP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
WINLEAVE_VCM_NF macro
|
|||
|
|
ifdef _WINDOWS
|
|||
|
|
ifndef I8086S
|
|||
|
|
ifndef I8086C
|
|||
|
|
pop BP
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
else
|
|||
|
|
ifdef I8086V
|
|||
|
|
pop BP
|
|||
|
|
dec BP
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
else ;M_I386
|
|||
|
|
|
|||
|
|
.386P
|
|||
|
|
.387
|
|||
|
|
|
|||
|
|
ifndef I8086S
|
|||
|
|
error error error!
|
|||
|
|
;I8086S equ 1 ;default to S model
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifdef DOS386
|
|||
|
|
SEG_1ST_MEG equ 034h ;Selector of 1st Mbyte used by MSDOS
|
|||
|
|
SEG_SCREEN equ 01ch ;Selector for the video memory.
|
|||
|
|
SEG_PSP equ 024H ;PSP selector.
|
|||
|
|
SEG_DGROUP equ 014H ;DGROUP selector.
|
|||
|
|
SEG_ENV equ 02cH ;Selector of environment string.
|
|||
|
|
|
|||
|
|
OMF equ 1
|
|||
|
|
COFF equ 0
|
|||
|
|
endif ;DOS386
|
|||
|
|
|
|||
|
|
ifdef M_XENIX
|
|||
|
|
OMF equ 1 ;Set to non-zero if OMF object format.
|
|||
|
|
COFF equ 0 ;Set to non-zero if COFF object format.
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifdef M_UNIX
|
|||
|
|
OMF equ 0 ;Set to non-zero if OMF object format.
|
|||
|
|
COFF equ 1 ;Set to non-zero if COFF object format.
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
.ERRNZ OMF AND COFF
|
|||
|
|
.ERRE OMF OR COFF
|
|||
|
|
|
|||
|
|
I386 equ 1
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Macros specific to each memory model in an attempt to make it easier
|
|||
|
|
; to write memory model independent code.
|
|||
|
|
; begcode,endcode Use to bracket code sections
|
|||
|
|
; begdata,enddata Use to bracket data sections
|
|||
|
|
; begrcode,endrcode Use to bracket real mode code sections
|
|||
|
|
; begrdata,endrdata Use to bracket real mode data sections
|
|||
|
|
; (Pharlap DOS386 only)
|
|||
|
|
; P Offset on EBP to first argument on stack
|
|||
|
|
; Assuming EBP was pushed.
|
|||
|
|
; PS Offset on ESP to first argument on stack
|
|||
|
|
; Assuming nothing was pushed on the stack.
|
|||
|
|
; ESeqDS 1 if ES == DS at all times
|
|||
|
|
; FSeqDS 1 if FS == DS at all times
|
|||
|
|
; GSeqDS 1 if GS == DS at all times
|
|||
|
|
; SSeqDS 1 if SS == DS at all times
|
|||
|
|
; SIZEPTR # of bytes in a pointer
|
|||
|
|
; func Declare a function as NEAR or FAR
|
|||
|
|
; callm Call function as NEAR or FAR
|
|||
|
|
; LPTR Large data model?
|
|||
|
|
; SPTR Small data model?
|
|||
|
|
|
|||
|
|
;Macro for start and end of real mode code segment.
|
|||
|
|
|
|||
|
|
begcode_16 macro
|
|||
|
|
__X386_CODESEG_16 segment para use16 public 'CODE'
|
|||
|
|
assume ds:__X386_GROUP_16
|
|||
|
|
assume cs:__X386_CODESEG_16
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
endcode_16 macro
|
|||
|
|
__X386_CODESEG_16 ends
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
begcode macro module
|
|||
|
|
_TEXT segment dword public 'CODE'
|
|||
|
|
assume CS:_TEXT
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
endcode macro module
|
|||
|
|
_TEXT ENDS
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
begdata macro
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Set up segments for data
|
|||
|
|
; Regular initialized data goes in _DATA
|
|||
|
|
|
|||
|
|
_DATA segment dword public 'DATA'
|
|||
|
|
_DATA ends
|
|||
|
|
|
|||
|
|
;Function pointers to constructors
|
|||
|
|
XIB segment dword public 'DATA'
|
|||
|
|
XIB ends
|
|||
|
|
XI segment dword public 'DATA'
|
|||
|
|
XI ends
|
|||
|
|
XIE segment dword public 'DATA'
|
|||
|
|
XIE ends
|
|||
|
|
|
|||
|
|
;Function pointers to destructors
|
|||
|
|
XCB segment dword public 'DATA'
|
|||
|
|
XCB ends
|
|||
|
|
XC segment dword public 'DATA'
|
|||
|
|
XC ends
|
|||
|
|
XCE segment dword public 'DATA'
|
|||
|
|
XCE ends
|
|||
|
|
|
|||
|
|
;Constant data, such as switch tables, go here.
|
|||
|
|
|
|||
|
|
CONST segment dword public 'CONST'
|
|||
|
|
CONST ends
|
|||
|
|
|
|||
|
|
;Segment for uninitialized data. This is set to 0 by the startup code/OS,
|
|||
|
|
;so it does not consume room in the executable file.
|
|||
|
|
|
|||
|
|
_BSS segment dword public 'BSS'
|
|||
|
|
_BSS ends
|
|||
|
|
|
|||
|
|
if OMF
|
|||
|
|
HUGE_BSS segment dword public 'HUGE_BSS'
|
|||
|
|
HUGE_BSS ends
|
|||
|
|
|
|||
|
|
EEND segment dword public 'ENDBSS'
|
|||
|
|
EEND ends
|
|||
|
|
|
|||
|
|
ifdef DOS386
|
|||
|
|
STACK segment dword stack 'STACK'
|
|||
|
|
STACK ends
|
|||
|
|
|
|||
|
|
DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS,EEND,STACK
|
|||
|
|
else ;DOS386
|
|||
|
|
DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS,EEND
|
|||
|
|
endif ;DOS386
|
|||
|
|
|
|||
|
|
else ;OMF
|
|||
|
|
DGROUP group _DATA,XIB,XI,XIE,XCB,XC,XCE,CONST,_BSS
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
_DATA segment
|
|||
|
|
assume DS:DGROUP
|
|||
|
|
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
enddata macro
|
|||
|
|
_DATA ends
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
P equ 8 ; Offset of start of parameters on the stack frame
|
|||
|
|
; From EBP assuming EBP was pushed.
|
|||
|
|
PS equ 4 ; Offset of start of parameters on the stack frame
|
|||
|
|
; From ESP assuming EBP was NOT pushed.
|
|||
|
|
ESeqDS equ 0
|
|||
|
|
FSeqDS equ 0
|
|||
|
|
GSeqDS equ 0
|
|||
|
|
SSeqDS equ 1
|
|||
|
|
SIZEPTR equ 4 ; Size of a pointer
|
|||
|
|
LPTR equ 0
|
|||
|
|
SPTR equ 1
|
|||
|
|
LCODE equ 0
|
|||
|
|
|
|||
|
|
func macro name
|
|||
|
|
_&name proc near
|
|||
|
|
ifndef name
|
|||
|
|
name equ _&name
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
callm macro name
|
|||
|
|
call _&name
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;Macros to replace public, extrn, and endp for C-callable assembly routines,
|
|||
|
|
; and to define labels: c_label defines labels,
|
|||
|
|
; c_public replaces public, c_extrn replaces extrn, and c_endp replaces endp
|
|||
|
|
|
|||
|
|
c_name macro name
|
|||
|
|
name equ _&name
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
c_label macro name
|
|||
|
|
_&name:
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
c_public macro a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
|
|||
|
|
ifnb <a> ;;Check for blank argument
|
|||
|
|
public _&a
|
|||
|
|
a equ _&a
|
|||
|
|
ifnb <b>
|
|||
|
|
c_public b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
c_extrn macro a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
|
|||
|
|
ifnb <a> ;;Check for blank argument
|
|||
|
|
extrn _&a:b
|
|||
|
|
a equ _&a
|
|||
|
|
ifnb <c>
|
|||
|
|
c_extrn c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
|
|||
|
|
endif
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
|
|||
|
|
c_endp macro name
|
|||
|
|
_&name ENDP
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Define function ctor as a static constructor
|
|||
|
|
|
|||
|
|
static_ctor macro ctor
|
|||
|
|
XIB segment dword public 'DATA'
|
|||
|
|
XIB ends
|
|||
|
|
XI segment dword public 'DATA'
|
|||
|
|
dd ctor
|
|||
|
|
XI ends
|
|||
|
|
XIE segment dword public 'DATA'
|
|||
|
|
XIE ends
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Define function dtor as a static destructor
|
|||
|
|
|
|||
|
|
static_dtor macro dtor
|
|||
|
|
XCB segment dword public 'DATA'
|
|||
|
|
XCB ends
|
|||
|
|
XC segment dword public 'DATA'
|
|||
|
|
dd dtor
|
|||
|
|
XC ends
|
|||
|
|
XCE segment dword public 'DATA'
|
|||
|
|
XCE ends
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
; Other more or less useful macros
|
|||
|
|
|
|||
|
|
; '.macro_name' is not allowed by asm386 from Pharlap. The
|
|||
|
|
; following macros are retained for compatibility with existing code only.
|
|||
|
|
;
|
|||
|
|
|
|||
|
|
;Aligns the code on proper boundary for max speed.
|
|||
|
|
_align macro ;.macro_name isn't allowed by asm386.
|
|||
|
|
align 4 ;All .macros were changed to _macro to make
|
|||
|
|
endm ;code assemble under both asm386 and masm.
|
|||
|
|
|
|||
|
|
_push macro list
|
|||
|
|
irp arg,<list>
|
|||
|
|
push arg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
_pop macro list
|
|||
|
|
irp arg,<list>
|
|||
|
|
pop arg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
_if macro arg1,cond,arg2,lbl
|
|||
|
|
cmp arg1,arg2
|
|||
|
|
j&cond lbl
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
_ifs macro arg1,cond,arg2,lbl
|
|||
|
|
cmp arg1,arg2
|
|||
|
|
j&cond short lbl
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
clr macro list ;clear a register
|
|||
|
|
irp reg,<list>
|
|||
|
|
xor reg,reg
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
jmps macro lbl
|
|||
|
|
jmp short lbl
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
tst macro reg
|
|||
|
|
or reg,reg
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
ifndef nobdos
|
|||
|
|
|
|||
|
|
ifdef DOS386
|
|||
|
|
bdos macro func ;DOS system call.
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AH,func
|
|||
|
|
endif
|
|||
|
|
int 21h
|
|||
|
|
endm
|
|||
|
|
endif ;DOS386
|
|||
|
|
|
|||
|
|
ifdef X386
|
|||
|
|
bdos macro func ;DOS system call.
|
|||
|
|
ifnb <func>
|
|||
|
|
mov AH,func
|
|||
|
|
endif
|
|||
|
|
int 21h
|
|||
|
|
endm
|
|||
|
|
endif ;DOS386
|
|||
|
|
|
|||
|
|
ifdef M_XENIX
|
|||
|
|
bdos macro func ; 386 XENIX system call.
|
|||
|
|
ifnb <func>
|
|||
|
|
mov EAX,func
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
db 9ah ; call far 0x7:0
|
|||
|
|
dd 0
|
|||
|
|
dw 07h
|
|||
|
|
endm
|
|||
|
|
endif ;M_XENIX
|
|||
|
|
|
|||
|
|
ifdef M_UNIX
|
|||
|
|
bdos macro func ; UNIX system call.
|
|||
|
|
ifnb <func>
|
|||
|
|
mov EAX,func
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
db 9ah ; call far 0x7:0
|
|||
|
|
dd 0
|
|||
|
|
dw 07h
|
|||
|
|
endm
|
|||
|
|
endif ;M_UNIX
|
|||
|
|
|
|||
|
|
endif ;nobdos
|
|||
|
|
|
|||
|
|
_retf macro val ;force assembler to build a far return
|
|||
|
|
ifnb <val>
|
|||
|
|
db 0CAh
|
|||
|
|
dw val
|
|||
|
|
else
|
|||
|
|
db 0CBh
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
; Macros to save and restore regs destroyed by a function
|
|||
|
|
; Give the macro the list of registers used by the function:
|
|||
|
|
; uses <AX,BX,SI,DI>
|
|||
|
|
;
|
|||
|
|
; At exit to function use 'unuse':
|
|||
|
|
; unuse <DI,SI,BX,AX>
|
|||
|
|
|
|||
|
|
uses macro list
|
|||
|
|
irp reg,<list>
|
|||
|
|
ifidn <reg>,<ebx> ;Save ebx.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<EBX> ;Save EBX (bug in ifidni).
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<esi> ;Save esi.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ESI>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<edi> ;Save edi.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<EDI>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<bx> ;Save bx.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<BX>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<si> ;Save si.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<SI>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<di> ;Save di.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<DI>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ds> ;Save ds.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<DS>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<es> ;Save es.
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ES>
|
|||
|
|
push reg
|
|||
|
|
endif
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
unuse macro list
|
|||
|
|
irp reg,<list>
|
|||
|
|
ifidn <reg>,<ebx> ;Restore ebx.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<EBX>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<esi> ;Restore esi.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ESI>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<edi> ;Restore edi.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<EDI>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<bx> ;Restore bx.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<BX>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<si> ;Restore si.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<SI>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<di> ;Restore di.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<DI>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ds> ;Restore ds.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<DS>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<es> ;Restore es.
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
ifidn <reg>,<ES>
|
|||
|
|
pop reg
|
|||
|
|
endif
|
|||
|
|
|
|||
|
|
endm
|
|||
|
|
endm
|
|||
|
|
|
|||
|
|
|
|||
|
|
endif ;M_I386
|
|||
|
|
|
|||
|
|
; Executable type
|
|||
|
|
EXE_DOS equ 1 ; MSDOS
|
|||
|
|
EXE_DOS16RM equ 2 ; Rational 286 DOS Extender
|
|||
|
|
EXE_ZPM equ 4 ; ZPM 286 DOS Extender
|
|||
|
|
EXE_PHAR386 equ 8 ; Pharlap 386 DOS Extender
|
|||
|
|
EXE_DOSX equ 010h ; DOSX 386 DOS Extender
|
|||
|
|
EXE_WINDOWS equ 020h ; Windows 3
|
|||
|
|
EXE_OS2 equ 040h ; OS/2 1.x
|
|||
|
|
EXE_SCOUNIX equ 080h ; SCO Unix
|
|||
|
|
|