windows-nt/Source/XPSP1/NT/base/wow64/mscpu/fraglib/frag16.c
2020-09-26 16:20:57 +08:00

110 lines
3 KiB
C

/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
frag16.c
Abstract:
Instuction fragments which operate on 16-bit WORDS
Author:
12-Jun-1995 BarryBo
Revision History:
--*/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <stdio.h>
#include "fragp.h"
#include "frag16.h"
// set up to include common functions
#define MSB 0x8000
#define LMB 15 // Left Most Bit
#define UTYPE unsigned short
#define STYPE signed short
#define GET_VAL GET_SHORT
#define PUT_VAL PUT_SHORT
#define PUSH_VAL PUSH_SHORT
#define POP_VAL POP_SHORT
#define FRAGCOMMON0(fn) FRAG0(fn ## 16)
#define FRAGCOMMON1(fn) FRAG1(fn ## 16,UTYPE)
#define FRAGCOMMON1IMM(fn) FRAG1IMM( fn ## 16, UTYPE)
#define FRAGCOMMON2(fn) FRAG2(fn ## 16, UTYPE)
#define FRAGCOMMON2IMM(fn) FRAG2IMM( fn ## 16, UTYPE, UTYPE)
#define FRAGCOMMON2REF(fn) FRAG2REF(fn ## 16, UTYPE)
#define FRAGCOMMON3(fn) FRAG3(fn ## 16, UTYPE, UTYPE, UTYPE)
#define AREG ax
#define BREG bx
#define CREG cx
#define DREG dx
#define SPREG sp
#define BPREG bp
#define SIREG si
#define DIREG di
#define SET_FLAGS_ADD SET_FLAGS_ADD16
#define SET_FLAGS_SUB SET_FLAGS_SUB16
#define SET_FLAGS_INC SET_FLAGS_INC16
#define SET_FLAGS_DEC SET_FLAGS_DEC16
#define GET_BYTE(addr) (*(UNALIGNED unsigned char *)(addr))
#define GET_SHORT(addr) (*(UNALIGNED unsigned short *)(addr))
#define GET_LONG(addr) (*(UNALIGNED unsigned long *)(addr))
#undef PUT_BYTE
#undef PUT_SHORT
#undef PUT_LONG
#define PUT_BYTE(addr,dw) {GET_BYTE(addr)=(unsigned char)dw;}
#define PUT_SHORT(addr,dw) {GET_SHORT(addr)=(unsigned short)dw;}
#define PUT_LONG(addr,dw) {GET_LONG(addr)=(unsigned long)dw;}
// include the common functions with 8/16/32 flavors, with no alignment issues
#include "shared.c"
// include the common functions with 16/32 flavors, with no alignment issues
#include "shr1632.c"
// include the common unaligned functions with 8/16/32 flavors
#include "shareda.c"
// include the common unaligned functions with 16/32 flavors
#include "shr1632a.c"
#undef FRAGCOMMON0
#undef FRAGCOMMON1
#undef FRAGCOMMON1IMM
#undef FRAGCOMMON2
#undef FRAGCOMMON2IMM
#undef FRAGCOMMON2REF
#undef FRAGCOMMON3
#undef GET_BYTE
#undef GET_SHORT
#undef GET_LONG
#if MSCPU
#define FRAGCOMMON0(fn) FRAG0(fn ## 16A)
#define FRAGCOMMON1(fn) FRAG1(fn ## 16A,UTYPE)
#define FRAGCOMMON1IMM(fn) FRAG1IMM( fn ## 16A, UTYPE)
#define FRAGCOMMON2(fn) FRAG2(fn ## 16A, UTYPE)
#define FRAGCOMMON2IMM(fn) FRAG2IMM( fn ## 16A, UTYPE, UTYPE)
#define FRAGCOMMON2REF(fn) FRAG2REF(fn ## 16A, UTYPE)
#define FRAGCOMMON3(fn) FRAG3(fn ## 16A, UTYPE, UTYPE, UTYPE)
#define GET_BYTE(addr) (*(unsigned char *)(addr))
#define GET_SHORT(addr) (*(unsigned short *)(addr))
#define GET_LONG(addr) (*(unsigned long *)(addr))
// include the common aligned functions with 8/16/32 flavors
#include "shareda.c"
// include the common aligned functions with 16/32 flavors
#include "shr1632a.c"
#endif