39 lines
972 B
PHP
39 lines
972 B
PHP
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;***
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;mm.inc - macros to write memory model dependent code
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;
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; Copyright (c) 1987-1994, Microsoft Corporation. All rights reserved.
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;
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;Purpose:
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; This file contains definitions of a number of macros which
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; make the writing of memory model dependent code for the
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; 386 a little easier and more portable.
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;
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;Revision History:
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; 05-18-89 SKS Removed ES references from pointer macros -- DS is used
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; 09-01-89 GJF Fixed copyright date.
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; 11-19-93 SMK Modified for 32 bit hosting.
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;
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;*******************************************************************************
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; general code & data size constants & macros
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DAT_ADDR_SZ = 4
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BDAT_ADDR_SZ = 2
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TXT_ADDR_SZ = 4
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; Big/Little Endian Definitions for Long Integers
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ifdef bigend ; Big Endian (hi word at low address)
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LOWORD equ [4]
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HIWORD equ [0]
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else ; Little Endian (low word at low address)
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LOWORD equ [0]
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HIWORD equ [4]
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endif
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; All Model Definitions
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BPARGBAS equ TXT_ADDR_SZ+4 ; offset from BP to first argument
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