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dosbox-wii/src/cpu/modrm.cpp
retro100 b4f2a13f7f Sync to DOSBox SVN r4301
2021-02-06 16:06:31 +01:00

211 lines
11 KiB
C++
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/*
* Copyright (C) 2002-2019 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "cpu.h"
Bit8u * lookupRMregb[]=
{
&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,
&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,
&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,
&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,
&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,
&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,
&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,
&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,
&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,
&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,
&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,
&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,
&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,
&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,
&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,
&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,
&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,
&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,
&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,
&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,
&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,
&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,
&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,
&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,
&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,&reg_al,
&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,&reg_cl,
&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,&reg_dl,
&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,&reg_bl,
&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,&reg_ah,
&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,&reg_ch,
&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,&reg_dh,
&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh,&reg_bh
};
Bit16u * lookupRMregw[]={
&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,
&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,
&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,
&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,
&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,
&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,
&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,
&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,
&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,
&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,
&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,
&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,
&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,
&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,
&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,
&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,
&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,
&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,
&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,
&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,
&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,
&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,
&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,
&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,
&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,&reg_ax,
&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,&reg_cx,
&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,&reg_dx,
&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,&reg_bx,
&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,&reg_sp,
&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,&reg_bp,
&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,&reg_si,
&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di,&reg_di
};
Bit32u * lookupRMregd[256]={
&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,
&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,
&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,
&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,
&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,
&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,
&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,
&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,
&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,
&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,
&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,
&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,
&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,
&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,
&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,
&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,
&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,
&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,
&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,
&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,
&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,
&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,
&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,
&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,
&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,&reg_eax,
&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,&reg_ecx,
&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,&reg_edx,
&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,&reg_ebx,
&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,&reg_esp,
&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,&reg_ebp,
&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,&reg_esi,
&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi,&reg_edi
};
Bit8u * lookupRMEAregb[256]={
/* 12 lines of 16*0 should give nice errors when used */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh,
&reg_al,&reg_cl,&reg_dl,&reg_bl,&reg_ah,&reg_ch,&reg_dh,&reg_bh
};
Bit16u * lookupRMEAregw[256]={
/* 12 lines of 16*0 should give nice errors when used */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di,
&reg_ax,&reg_cx,&reg_dx,&reg_bx,&reg_sp,&reg_bp,&reg_si,&reg_di
};
Bit32u * lookupRMEAregd[256]={
/* 12 lines of 16*0 should give nice errors when used */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi,
&reg_eax,&reg_ecx,&reg_edx,&reg_ebx,&reg_esp,&reg_ebp,&reg_esi,&reg_edi
};
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