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