Bochs/bochs/cpu/fetchdecode.cc
Stanislav Shwartsman c51888f43f Split last BxLockable opcodes -> this allows to eliminate mod==0xc0 check from fetchdecode of every instruction
reduce ACPU.CC dependencies - now that file doesn't depend of CPU
2007-11-25 20:22:10 +00:00

2954 lines
133 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id: fetchdecode.cc,v 1.141 2007-11-25 20:22:06 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define NEED_CPU_REG_SHORTCUTS 1
#include "bochs.h"
#include "cpu.h"
#define LOG_THIS BX_CPU_THIS_PTR
///////////////////////////
// prefix bytes
// opcode bytes
// modrm/sib
// address displacement
// immediate constant
///////////////////////////
static const bx_bool BxOpcodeHasModrm32[512] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
/* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
/* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
/* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
/* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
/* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0,
/* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* A0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* B0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* C0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,
/* D0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,
/* E0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* F0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
/* ------------------------------- */
1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0F 00 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 10 */
1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 0F 20 */
0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 0F 30 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 40 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 50 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 60 */
1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 0F 70 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0F 80 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 90 */
0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* 0F A0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F B0 */
1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* 0F C0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F D0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F E0 */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* 0F F0 */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
};
/* *********** */
// LOCK PREFIX //
/* *********** */
/*
* The LOCK prefix can be prepended only to the following instructions
* and only to those forms of the instructions where the destination
* operand is a memory operand: ADD, ADC, AND, BTC, BTR, BTS, CMPXCHG,
* CMPXCH8B, DEC, INC, NEG, NOT, OR, SBB, SUB, XOR, XADD, and XCHG. If
* the LOCK prefix is used with one of these instructions and the source
* operand is a memory operand, an undefined opcode exception (#UD) will
* be generated. An undefined opcode exception will also be generated if
* the LOCK prefix is used with any instruction not in the above list.
* The XCHG instruction always asserts the LOCK# signal regardless of the
* presence or absence of the LOCK prefix.
*/
static BxExecutePtr_tR Resolve16Mod0[8] = {
&BX_CPU_C::BxResolve16Mod0Rm0,
&BX_CPU_C::BxResolve16Mod0Rm1,
&BX_CPU_C::BxResolve16Mod0Rm2,
&BX_CPU_C::BxResolve16Mod0Rm3,
&BX_CPU_C::BxResolve16Mod0Rm4,
&BX_CPU_C::BxResolve16Mod0Rm5,
&BX_CPU_C::BxResolve16Mod0Rm6,
&BX_CPU_C::BxResolve16Mod0Rm7
};
static BxExecutePtr_tR Resolve16Mod1or2[8] = {
&BX_CPU_C::BxResolve16Mod1or2Rm0,
&BX_CPU_C::BxResolve16Mod1or2Rm1,
&BX_CPU_C::BxResolve16Mod1or2Rm2,
&BX_CPU_C::BxResolve16Mod1or2Rm3,
&BX_CPU_C::BxResolve16Mod1or2Rm4,
&BX_CPU_C::BxResolve16Mod1or2Rm5,
&BX_CPU_C::BxResolve16Mod1or2Rm6,
&BX_CPU_C::BxResolve16Mod1or2Rm7
};
// decoding instructions; accessing seg reg's by index
static unsigned sreg_mod00_rm16[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
static unsigned sreg_mod01or10_rm16[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_DS
};
// decoding instructions; accessing seg reg's by index
static unsigned sreg_mod01or10_rm32[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_NULL, // escape to SIB-byte
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
static unsigned sreg_mod0_base32[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
static unsigned sreg_mod1or2_base32[8] = {
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_DS,
BX_SEG_REG_SS,
BX_SEG_REG_SS,
BX_SEG_REG_DS,
BX_SEG_REG_DS
};
// common fetchdecode32/64 opcode tables
#include "fetchdecode.h"
/* ************************** */
/* 512 entries for 16bit mode */
/* 512 entries for 32bit mode */
/* ************************** */
static const BxOpcodeInfo_t BxOpcodeInfo32R[512*2] = {
// 512 entries for 16bit mode
/* 00 /wr */ { 0, &BX_CPU_C::ADD_EbGbR },
/* 01 /wr */ { 0, &BX_CPU_C::ADD_EwGwR },
/* 02 /wr */ { 0, &BX_CPU_C::ADD_GbEbR },
/* 03 /wr */ { 0, &BX_CPU_C::ADD_GwEwR },
/* 04 /wr */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb },
/* 05 /wr */ { BxImmediate_Iv, &BX_CPU_C::ADD_AXIw },
/* 06 /wr */ { 0, &BX_CPU_C::PUSH16_ES },
/* 07 /wr */ { 0, &BX_CPU_C::POP16_ES },
/* 08 /wr */ { 0, &BX_CPU_C::OR_EbGbR },
/* 09 /wr */ { 0, &BX_CPU_C::OR_EwGwR },
/* 0A /wr */ { 0, &BX_CPU_C::OR_GbEbR },
/* 0B /wr */ { 0, &BX_CPU_C::OR_GwEwR },
/* 0C /wr */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb },
/* 0D /wr */ { BxImmediate_Iv, &BX_CPU_C::OR_AXIw },
/* 0E /wr */ { 0, &BX_CPU_C::PUSH16_CS },
/* 0F /wr */ { 0, &BX_CPU_C::BxError }, // 2-byte escape
/* 10 /wr */ { 0, &BX_CPU_C::ADC_EbGbR },
/* 11 /wr */ { 0, &BX_CPU_C::ADC_EwGwR },
/* 12 /wr */ { 0, &BX_CPU_C::ADC_GbEbR },
/* 13 /wr */ { 0, &BX_CPU_C::ADC_GwEwR },
/* 14 /wr */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb },
/* 15 /wr */ { BxImmediate_Iv, &BX_CPU_C::ADC_AXIw },
/* 16 /wr */ { 0, &BX_CPU_C::PUSH16_SS },
/* 17 /wr */ { 0, &BX_CPU_C::POP16_SS },
/* 18 /wr */ { 0, &BX_CPU_C::SBB_EbGbR },
/* 19 /wr */ { 0, &BX_CPU_C::SBB_EwGwR },
/* 1A /wr */ { 0, &BX_CPU_C::SBB_GbEbR },
/* 1B /wr */ { 0, &BX_CPU_C::SBB_GwEwR },
/* 1C /wr */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb },
/* 1D /wr */ { BxImmediate_Iv, &BX_CPU_C::SBB_AXIw },
/* 1E /wr */ { 0, &BX_CPU_C::PUSH16_DS },
/* 1F /wr */ { 0, &BX_CPU_C::POP16_DS },
/* 20 /wr */ { 0, &BX_CPU_C::AND_EbGbR },
/* 21 /wr */ { 0, &BX_CPU_C::AND_EwGwR },
/* 22 /wr */ { 0, &BX_CPU_C::AND_GbEbR },
/* 23 /wr */ { 0, &BX_CPU_C::AND_GwEwR },
/* 24 /wr */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb },
/* 25 /wr */ { BxImmediate_Iv, &BX_CPU_C::AND_AXIw },
/* 26 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // ES:
/* 27 /wr */ { 0, &BX_CPU_C::DAA },
/* 28 /wr */ { 0, &BX_CPU_C::SUB_EbGbR },
/* 29 /wr */ { 0, &BX_CPU_C::SUB_EwGwR },
/* 2A /wr */ { 0, &BX_CPU_C::SUB_GbEbR },
/* 2B /wr */ { 0, &BX_CPU_C::SUB_GwEwR },
/* 2C /wr */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb },
/* 2D /wr */ { BxImmediate_Iv, &BX_CPU_C::SUB_AXIw },
/* 2E /wr */ { BxPrefix, &BX_CPU_C::BxError }, // CS:
/* 2F /wr */ { 0, &BX_CPU_C::DAS },
/* 30 /wr */ { 0, &BX_CPU_C::XOR_EbGbR },
/* 31 /wr */ { 0, &BX_CPU_C::XOR_EwGwR },
/* 32 /wr */ { 0, &BX_CPU_C::XOR_GbEbR },
/* 33 /wr */ { 0, &BX_CPU_C::XOR_GwEwR },
/* 34 /wr */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb },
/* 35 /wr */ { BxImmediate_Iv, &BX_CPU_C::XOR_AXIw },
/* 36 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // SS:
/* 37 /wr */ { 0, &BX_CPU_C::AAA },
/* 38 /wr */ { 0, &BX_CPU_C::CMP_EbGbR },
/* 39 /wr */ { 0, &BX_CPU_C::CMP_EwGwR },
/* 3A /wr */ { 0, &BX_CPU_C::CMP_GbEbR },
/* 3B /wr */ { 0, &BX_CPU_C::CMP_GwEwR },
/* 3C /wr */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb },
/* 3D /wr */ { BxImmediate_Iv, &BX_CPU_C::CMP_AXIw },
/* 3E /wr */ { BxPrefix, &BX_CPU_C::BxError }, // DS:
/* 3F /wr */ { 0, &BX_CPU_C::AAS },
/* 40 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 41 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 42 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 43 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 44 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 45 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 46 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 47 /wr */ { 0, &BX_CPU_C::INC_RX },
/* 48 /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 49 /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4A /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4B /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4C /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4D /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4E /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 4F /wr */ { 0, &BX_CPU_C::DEC_RX },
/* 50 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 51 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 52 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 53 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 54 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 55 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 56 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 57 /wr */ { 0, &BX_CPU_C::PUSH_RX },
/* 58 /wr */ { 0, &BX_CPU_C::POP_RX },
/* 59 /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5A /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5B /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5C /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5D /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5E /wr */ { 0, &BX_CPU_C::POP_RX },
/* 5F /wr */ { 0, &BX_CPU_C::POP_RX },
/* 60 /wr */ { 0, &BX_CPU_C::PUSHAD16 },
/* 61 /wr */ { 0, &BX_CPU_C::POPAD16 },
/* 62 /wr */ { 0, &BX_CPU_C::BxError }, // BOUND
/* 63 /wr */ { 0, &BX_CPU_C::ARPL_EwGw },
/* 64 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // FS:
/* 65 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // GS:
/* 66 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // OS:
/* 67 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // AS:
/* 68 /wr */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Iw },
/* 69 /wr */ { BxImmediate_Iv, &BX_CPU_C::IMUL_GwEwIw },
/* 6A /wr */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Iw },
/* 6B /wr */ { BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GwEwIw },
/* 6C /wr */ { 0, &BX_CPU_C::REP_INSB_YbDX },
/* 6D /wr */ { 0, &BX_CPU_C::REP_INSW_YwDX },
/* 6E /wr */ { 0, &BX_CPU_C::REP_OUTSB_DXXb },
/* 6F /wr */ { 0, &BX_CPU_C::REP_OUTSW_DXXw },
/* 70 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JO_Jw },
/* 71 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNO_Jw },
/* 72 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JB_Jw },
/* 73 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNB_Jw },
/* 74 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jw },
/* 75 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jw },
/* 76 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JBE_Jw },
/* 77 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNBE_Jw },
/* 78 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JS_Jw },
/* 79 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNS_Jw },
/* 7A /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JP_Jw },
/* 7B /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNP_Jw },
/* 7C /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JL_Jw },
/* 7D /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNL_Jw },
/* 7E /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JLE_Jw },
/* 7F /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JNLE_Jw },
/* 80 /wr */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbR },
/* 81 /wr */ { BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1EwR },
/* 82 /wr */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbR },
/* 83 /wr */ { BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1EwR },
/* 84 /wr */ { 0, &BX_CPU_C::TEST_EbGbR },
/* 85 /wr */ { 0, &BX_CPU_C::TEST_EwGwR },
/* 86 /wr */ { 0, &BX_CPU_C::XCHG_EbGbR },
/* 87 /wr */ { 0, &BX_CPU_C::XCHG_EwGwR },
/* 88 /wr */ { 0, &BX_CPU_C::MOV_EbGbR },
/* 89 /wr */ { 0, &BX_CPU_C::MOV_EwGwR },
/* 8A /wr */ { 0, &BX_CPU_C::MOV_GbEbR },
/* 8B /wr */ { 0, &BX_CPU_C::MOV_GwEwR },
/* 8C /wr */ { 0, &BX_CPU_C::MOV_EwSw },
/* 8D /wr */ { 0, &BX_CPU_C::BxError }, // LEA
/* 8E /wr */ { 0, &BX_CPU_C::MOV_SwEw },
/* 8F /wr */ { 0, &BX_CPU_C::POP_EwR },
/* 90 /wr */ { 0, &BX_CPU_C::NOP },
/* 91 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 92 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 93 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 94 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 95 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 96 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 97 /wr */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 98 /wr */ { 0, &BX_CPU_C::CBW },
/* 99 /wr */ { 0, &BX_CPU_C::CWD },
/* 9A /wr */ { BxImmediate_IvIw, &BX_CPU_C::CALL16_Ap },
/* 9B /wr */ { 0, &BX_CPU_C::FWAIT },
/* 9C /wr */ { 0, &BX_CPU_C::PUSHF_Fw },
/* 9D /wr */ { 0, &BX_CPU_C::POPF_Fw },
/* 9E /wr */ { 0, &BX_CPU_C::SAHF },
/* 9F /wr */ { 0, &BX_CPU_C::LAHF },
/* A0 /wr */ { BxImmediate_O, &BX_CPU_C::MOV_ALOd },
/* A1 /wr */ { BxImmediate_O, &BX_CPU_C::MOV_AXOd },
/* A2 /wr */ { BxImmediate_O, &BX_CPU_C::MOV_OdAL },
/* A3 /wr */ { BxImmediate_O, &BX_CPU_C::MOV_OdAX },
/* A4 /wr */ { 0, &BX_CPU_C::REP_MOVSB_XbYb },
/* A5 /wr */ { 0, &BX_CPU_C::REP_MOVSW_XwYw },
/* A6 /wr */ { 0, &BX_CPU_C::REP_CMPSB_XbYb },
/* A7 /wr */ { 0, &BX_CPU_C::REP_CMPSW_XwYw },
/* A8 /wr */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb },
/* A9 /wr */ { BxImmediate_Iv, &BX_CPU_C::TEST_AXIw },
/* AA /wr */ { 0, &BX_CPU_C::REP_STOSB_YbAL },
/* AB /wr */ { 0, &BX_CPU_C::REP_STOSW_YwAX },
/* AC /wr */ { 0, &BX_CPU_C::REP_LODSB_ALXb },
/* AD /wr */ { 0, &BX_CPU_C::REP_LODSW_AXXw },
/* AE /wr */ { 0, &BX_CPU_C::REP_SCASB_ALXb },
/* AF /wr */ { 0, &BX_CPU_C::REP_SCASW_AXXw },
/* B0 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B1 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B2 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B3 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B4 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B5 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B6 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B7 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B8 /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* B9 /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BA /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BB /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BC /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BD /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BE /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BF /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* C0 /wr */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb },
/* C1 /wr */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ew },
/* C2 /wr */ { BxImmediate_Iw, &BX_CPU_C::RETnear16_Iw },
/* C3 /wr */ { 0, &BX_CPU_C::RETnear16 },
/* C4 /wr */ { 0, &BX_CPU_C::BxError }, // LES
/* C5 /wr */ { 0, &BX_CPU_C::BxError }, // LDS
/* C6 /wr */ { BxImmediate_Ib, &BX_CPU_C::MOV_EbIbR },
/* C7 /wr */ { BxImmediate_Iv, &BX_CPU_C::MOV_EwIwR },
/* C8 /wr */ { BxImmediate_IwIb, &BX_CPU_C::ENTER16_IwIb },
/* C9 /wr */ { 0, &BX_CPU_C::LEAVE },
/* CA /wr */ { BxImmediate_Iw, &BX_CPU_C::RETfar16_Iw },
/* CB /wr */ { 0, &BX_CPU_C::RETfar16 },
/* CC /wr */ { 0, &BX_CPU_C::INT3 },
/* CD /wr */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib },
/* CE /wr */ { 0, &BX_CPU_C::INTO },
/* CF /wr */ { 0, &BX_CPU_C::IRET16 },
/* D0 /wr */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D1 /wr */ { BxGroup2, NULL, BxOpcodeInfoG2Ew },
/* D2 /wr */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D3 /wr */ { BxGroup2, NULL, BxOpcodeInfoG2Ew },
/* D4 /wr */ { BxImmediate_Ib, &BX_CPU_C::AAM },
/* D5 /wr */ { BxImmediate_Ib, &BX_CPU_C::AAD },
/* D6 /wr */ { 0, &BX_CPU_C::SALC },
/* D7 /wr */ { 0, &BX_CPU_C::XLAT },
#if BX_SUPPORT_FPU
// by default we have here pointer to the group .. as if mod <> 11b
/* D8 /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 },
/* D9 /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 },
/* DA /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA },
/* DB /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB },
/* DC /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC },
/* DD /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD },
/* DE /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE },
/* DF /wr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF },
#else
/* D8 /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* D9 /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DA /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DB /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DC /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DD /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DE /wr */ { 0, &BX_CPU_C::FPU_ESC },
/* DF /wr */ { 0, &BX_CPU_C::FPU_ESC },
#endif
/* E0 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb },
/* E1 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb },
/* E2 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb },
/* E3 /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb },
/* E4 /wr */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb },
/* E5 /wr */ { BxImmediate_Ib, &BX_CPU_C::IN_AXIb },
/* E6 /wr */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL },
/* E7 /wr */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAX },
/* E8 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::CALL_Jw },
/* E9 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JMP_Jw },
/* EA /wr */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap },
/* EB /wr */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jw },
/* EC /wr */ { 0, &BX_CPU_C::IN_ALDX },
/* ED /wr */ { 0, &BX_CPU_C::IN_AXDX },
/* EE /wr */ { 0, &BX_CPU_C::OUT_DXAL },
/* EF /wr */ { 0, &BX_CPU_C::OUT_DXAX },
/* F0 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // LOCK
/* F1 /wr */ { 0, &BX_CPU_C::INT1 },
/* F2 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // REPNE/REPNZ
/* F3 /wr */ { BxPrefix, &BX_CPU_C::BxError }, // REP, REPE/REPZ
/* F4 /wr */ { 0, &BX_CPU_C::HLT },
/* F5 /wr */ { 0, &BX_CPU_C::CMC },
/* F6 /wr */ { BxGroup3, NULL, BxOpcodeInfoG3EbR },
/* F7 /wr */ { BxGroup3, NULL, BxOpcodeInfoG3EwR },
/* F8 /wr */ { 0, &BX_CPU_C::CLC },
/* F9 /wr */ { 0, &BX_CPU_C::STC },
/* FA /wr */ { 0, &BX_CPU_C::CLI },
/* FB /wr */ { 0, &BX_CPU_C::STI },
/* FC /wr */ { 0, &BX_CPU_C::CLD },
/* FD /wr */ { 0, &BX_CPU_C::STD },
/* FE /wr */ { BxGroup4, NULL, BxOpcodeInfoG4R },
/* FF /wr */ { BxGroup5, NULL, BxOpcodeInfoG5wR },
/* 0F 00 /wr */ { BxGroup6, NULL, BxOpcodeInfoG6 },
/* 0F 01 /wr */ { BxGroup7, NULL, BxOpcodeInfoG7R },
/* 0F 02 /wr */ { 0, &BX_CPU_C::LAR_GvEw },
/* 0F 03 /wr */ { 0, &BX_CPU_C::LSL_GvEw },
/* 0F 04 /wr */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64
/* 0F 05 /wr */ { 0, &BX_CPU_C::SYSCALL },
#elif BX_CPU_LEVEL == 2
/* 0F 05 /wr */ { 0, &BX_CPU_C::LOADALL },
#else
/* 0F 05 /wr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 06 /wr */ { 0, &BX_CPU_C::CLTS },
#if BX_SUPPORT_X86_64
/* 0F 07 /wr */ { 0, &BX_CPU_C::SYSRET },
#else
/* 0F 07 /wr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 08 /wr */ { 0, &BX_CPU_C::INVD },
/* 0F 09 /wr */ { 0, &BX_CPU_C::WBINVD },
/* 0F 0A /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 0B /wr */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F 0C /wr */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
/* 0F 0D /wr */ { 0, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel
#else
/* 0F 0D /wr */ { 0, &BX_CPU_C::BxError },
#endif
#if BX_SUPPORT_3DNOW
/* 0F 0E /wr */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS
/* 0F 0F /wr */ { BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo },
#else
/* 0F 0E /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 0F /wr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 10 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 },
/* 0F 14 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 },
/* 0F 18 /wr */ { 0, &BX_CPU_C::PREFETCH }, // opcode group G16, PREFETCH hints
#if BX_CPU_LEVEL < 6
/* 0F 19 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1A /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1B /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1C /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1D /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1E /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 1F /wr */ { 0, &BX_CPU_C::BxError },
#else
/* 0F 19 /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1A /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1B /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1C /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1D /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1E /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1F /wr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
#endif
/* 0F 20 /wr */ { 0, &BX_CPU_C::MOV_RdCd },
/* 0F 21 /wr */ { 0, &BX_CPU_C::MOV_RdDd },
/* 0F 22 /wr */ { 0, &BX_CPU_C::MOV_CdRd },
/* 0F 23 /wr */ { 0, &BX_CPU_C::MOV_DdRd },
/* 0F 24 /wr */ { 0, &BX_CPU_C::MOV_RdTd },
/* 0F 25 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 26 /wr */ { 0, &BX_CPU_C::MOV_TdRd },
/* 0F 27 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 28 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /wr */ { 0, &BX_CPU_C::BxError }, // MOVNTPS/PD/SS/SD
/* 0F 2C /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /wr */ { 0, &BX_CPU_C::WRMSR },
/* 0F 31 /wr */ { 0, &BX_CPU_C::RDTSC },
/* 0F 32 /wr */ { 0, &BX_CPU_C::RDMSR },
/* 0F 33 /wr */ { 0, &BX_CPU_C::RDPMC },
/* 0F 34 /wr */ { 0, &BX_CPU_C::SYSENTER },
/* 0F 35 /wr */ { 0, &BX_CPU_C::SYSEXIT },
/* 0F 36 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 37 /wr */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 38 /wr */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape
#else
/* 0F 38 /wr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 39 /wr */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 3A /wr */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape
#else
/* 0F 3A /wr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 3B /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 3C /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 3D /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 3E /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 3F /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 40 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 41 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 42 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 43 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 44 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 45 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 46 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 47 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 48 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 49 /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4A /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4B /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4C /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4D /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4E /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4F /wr */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 50 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 },
/* 0F 51 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c },
/* 0F 6D /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d },
/* 0F 6E /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /wr */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /wr */ { BxGroup12, NULL, BxOpcodeInfoG12 },
/* 0F 72 /wr */ { BxGroup13, NULL, BxOpcodeInfoG13 },
/* 0F 73 /wr */ { BxGroup14, NULL, BxOpcodeInfoG14 },
/* 0F 74 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /wr */ { 0, &BX_CPU_C::EMMS },
/* 0F 78 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 79 /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 7A /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 7B /wr */ { 0, &BX_CPU_C::BxError },
/* 0F 7C /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JO_Jw },
/* 0F 81 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNO_Jw },
/* 0F 82 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JB_Jw },
/* 0F 83 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNB_Jw },
/* 0F 84 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JZ_Jw },
/* 0F 85 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNZ_Jw },
/* 0F 86 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JBE_Jw },
/* 0F 87 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNBE_Jw },
/* 0F 88 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JS_Jw },
/* 0F 89 /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNS_Jw },
/* 0F 8A /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JP_Jw },
/* 0F 8B /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNP_Jw },
/* 0F 8C /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JL_Jw },
/* 0F 8D /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNL_Jw },
/* 0F 8E /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JLE_Jw },
/* 0F 8F /wr */ { BxImmediate_BrOff16, &BX_CPU_C::JNLE_Jw },
/* 0F 90 /wr */ { 0, &BX_CPU_C::SETO_Eb },
/* 0F 91 /wr */ { 0, &BX_CPU_C::SETNO_Eb },
/* 0F 92 /wr */ { 0, &BX_CPU_C::SETB_Eb },
/* 0F 93 /wr */ { 0, &BX_CPU_C::SETNB_Eb },
/* 0F 94 /wr */ { 0, &BX_CPU_C::SETZ_Eb },
/* 0F 95 /wr */ { 0, &BX_CPU_C::SETNZ_Eb },
/* 0F 96 /wr */ { 0, &BX_CPU_C::SETBE_Eb },
/* 0F 97 /wr */ { 0, &BX_CPU_C::SETNBE_Eb },
/* 0F 98 /wr */ { 0, &BX_CPU_C::SETS_Eb },
/* 0F 99 /wr */ { 0, &BX_CPU_C::SETNS_Eb },
/* 0F 9A /wr */ { 0, &BX_CPU_C::SETP_Eb },
/* 0F 9B /wr */ { 0, &BX_CPU_C::SETNP_Eb },
/* 0F 9C /wr */ { 0, &BX_CPU_C::SETL_Eb },
/* 0F 9D /wr */ { 0, &BX_CPU_C::SETNL_Eb },
/* 0F 9E /wr */ { 0, &BX_CPU_C::SETLE_Eb },
/* 0F 9F /wr */ { 0, &BX_CPU_C::SETNLE_Eb },
/* 0F A0 /wr */ { 0, &BX_CPU_C::PUSH16_FS },
/* 0F A1 /wr */ { 0, &BX_CPU_C::POP16_FS },
/* 0F A2 /wr */ { 0, &BX_CPU_C::CPUID },
/* 0F A3 /wr */ { 0, &BX_CPU_C::BT_EwGwR },
/* 0F A4 /wr */ { BxImmediate_Ib, &BX_CPU_C::SHLD_EwGw },
/* 0F A5 /wr */ { 0, &BX_CPU_C::SHLD_EwGw },
/* 0F A6 /wr */ { 0, &BX_CPU_C::CMPXCHG_XBTS },
/* 0F A7 /wr */ { 0, &BX_CPU_C::CMPXCHG_IBTS },
/* 0F A8 /wr */ { 0, &BX_CPU_C::PUSH16_GS },
/* 0F A9 /wr */ { 0, &BX_CPU_C::POP16_GS },
/* 0F AA /wr */ { 0, &BX_CPU_C::RSM },
/* 0F AB /wr */ { 0, &BX_CPU_C::BTS_EwGwR },
/* 0F AC /wr */ { BxImmediate_Ib, &BX_CPU_C::SHRD_EwGw },
/* 0F AD /wr */ { 0, &BX_CPU_C::SHRD_EwGw },
/* 0F AE /wr */ { BxGroup15, NULL, BxOpcodeInfoG15R },
/* 0F AF /wr */ { 0, &BX_CPU_C::IMUL_GwEw },
/* 0F B0 /wr */ { 0, &BX_CPU_C::CMPXCHG_EbGbR },
/* 0F B1 /wr */ { 0, &BX_CPU_C::CMPXCHG_EwGwR },
/* 0F B2 /wr */ { 0, &BX_CPU_C::BxError }, // LSS
/* 0F B3 /wr */ { 0, &BX_CPU_C::BTR_EwGwR },
/* 0F B4 /wr */ { 0, &BX_CPU_C::BxError }, // LFS
/* 0F B5 /wr */ { 0, &BX_CPU_C::BxError }, // LGS
/* 0F B6 /wr */ { 0, &BX_CPU_C::MOVZX_GwEbR },
/* 0F B7 /wr */ { 0, &BX_CPU_C::MOV_GwEwR }, // MOVZX_GwEw
/* 0F B8 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fb8w },
/* 0F B9 /wr */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F BA /wr */ { BxGroup8, NULL, BxOpcodeInfoG8EwIbR },
/* 0F BB /wr */ { 0, &BX_CPU_C::BTC_EwGwR },
/* 0F BC /wr */ { 0, &BX_CPU_C::BSF_GwEw },
/* 0F BD /wr */ { 0, &BX_CPU_C::BSR_GwEw },
/* 0F BE /wr */ { 0, &BX_CPU_C::MOVSX_GwEbR },
/* 0F BF /wr */ { 0, &BX_CPU_C::MOV_GwEwR }, // MOVSX_GwEw
/* 0F C0 /wr */ { 0, &BX_CPU_C::XADD_EbGbR },
/* 0F C1 /wr */ { 0, &BX_CPU_C::XADD_EwGwR },
/* 0F C2 /wr */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /wr */ { 0, &BX_CPU_C::BxError }, // MOVNTI SSE group
/* 0F C4 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 },
/* 0F C6 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /wr */ { 0, &BX_CPU_C::BxError }, // CMPXCHG8B G9 group
/* 0F C8 /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F C9 /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CA /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CB /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CC /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CD /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CE /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CF /wr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F D0 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 },
/* 0F D8 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda },
/* 0F DB /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb },
/* 0F DC /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc },
/* 0F DD /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd },
/* 0F DE /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde },
/* 0F DF /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /wr */ { 0, &BX_CPU_C::BxError }, // MOVNTQ/MOVNTDQ SSE group
/* 0F E8 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea },
/* 0F EB /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb },
/* 0F EC /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec },
/* 0F ED /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed },
/* 0F EE /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee },
/* 0F EF /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef },
/* 0F F0 /wr */ { 0, &BX_CPU_C::BxError }, // LDDQU SSE group
/* 0F F1 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 },
/* 0F F8 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa },
/* 0F FB /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb },
/* 0F FC /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc },
/* 0F FD /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd },
/* 0F FE /wr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe },
/* 0F FF /wr */ { 0, &BX_CPU_C::BxError },
// 512 entries for 32bit mode
/* 00 /dr */ { 0, &BX_CPU_C::ADD_EbGbR },
/* 01 /dr */ { 0, &BX_CPU_C::ADD_EdGdR },
/* 02 /dr */ { 0, &BX_CPU_C::ADD_GbEbR },
/* 03 /dr */ { 0, &BX_CPU_C::ADD_GdEdR },
/* 04 /dr */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb },
/* 05 /dr */ { BxImmediate_Iv, &BX_CPU_C::ADD_EAXId },
/* 06 /dr */ { 0, &BX_CPU_C::PUSH32_ES },
/* 07 /dr */ { 0, &BX_CPU_C::POP32_ES },
/* 08 /dr */ { 0, &BX_CPU_C::OR_EbGbR },
/* 09 /dr */ { 0, &BX_CPU_C::OR_EdGdR },
/* 0A /dr */ { 0, &BX_CPU_C::OR_GbEbR },
/* 0B /dr */ { 0, &BX_CPU_C::OR_GdEdR },
/* 0C /dr */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb },
/* 0D /dr */ { BxImmediate_Iv, &BX_CPU_C::OR_EAXId },
/* 0E /dr */ { 0, &BX_CPU_C::PUSH32_CS },
/* 0F /dr */ { 0, &BX_CPU_C::BxError }, // 2-byte escape
/* 10 /dr */ { 0, &BX_CPU_C::ADC_EbGbR },
/* 11 /dr */ { 0, &BX_CPU_C::ADC_EdGdR },
/* 12 /dr */ { 0, &BX_CPU_C::ADC_GbEbR },
/* 13 /dr */ { 0, &BX_CPU_C::ADC_GdEdR },
/* 14 /dr */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb },
/* 15 /dr */ { BxImmediate_Iv, &BX_CPU_C::ADC_EAXId },
/* 16 /dr */ { 0, &BX_CPU_C::PUSH32_SS },
/* 17 /dr */ { 0, &BX_CPU_C::POP32_SS },
/* 18 /dr */ { 0, &BX_CPU_C::SBB_EbGbR },
/* 19 /dr */ { 0, &BX_CPU_C::SBB_EdGdR },
/* 1A /dr */ { 0, &BX_CPU_C::SBB_GbEbR },
/* 1B /dr */ { 0, &BX_CPU_C::SBB_GdEdR },
/* 1C /dr */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb },
/* 1D /dr */ { BxImmediate_Iv, &BX_CPU_C::SBB_EAXId },
/* 1E /dr */ { 0, &BX_CPU_C::PUSH32_DS },
/* 1F /dr */ { 0, &BX_CPU_C::POP32_DS },
/* 20 /dr */ { 0, &BX_CPU_C::AND_EbGbR },
/* 21 /dr */ { 0, &BX_CPU_C::AND_EdGdR },
/* 22 /dr */ { 0, &BX_CPU_C::AND_GbEbR },
/* 23 /dr */ { 0, &BX_CPU_C::AND_GdEdR },
/* 24 /dr */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb },
/* 25 /dr */ { BxImmediate_Iv, &BX_CPU_C::AND_EAXId },
/* 26 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // ES:
/* 27 /dr */ { 0, &BX_CPU_C::DAA },
/* 28 /dr */ { 0, &BX_CPU_C::SUB_EbGbR },
/* 29 /dr */ { 0, &BX_CPU_C::SUB_EdGdR },
/* 2A /dr */ { 0, &BX_CPU_C::SUB_GbEbR },
/* 2B /dr */ { 0, &BX_CPU_C::SUB_GdEdR },
/* 2C /dr */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb },
/* 2D /dr */ { BxImmediate_Iv, &BX_CPU_C::SUB_EAXId },
/* 2E /dr */ { BxPrefix, &BX_CPU_C::BxError }, // CS:
/* 2F /dr */ { 0, &BX_CPU_C::DAS },
/* 30 /dr */ { 0, &BX_CPU_C::XOR_EbGbR },
/* 31 /dr */ { 0, &BX_CPU_C::XOR_EdGdR },
/* 32 /dr */ { 0, &BX_CPU_C::XOR_GbEbR },
/* 33 /dr */ { 0, &BX_CPU_C::XOR_GdEdR },
/* 34 /dr */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb },
/* 35 /dr */ { BxImmediate_Iv, &BX_CPU_C::XOR_EAXId },
/* 36 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // SS:
/* 37 /dr */ { 0, &BX_CPU_C::AAA },
/* 38 /dr */ { 0, &BX_CPU_C::CMP_EbGbR },
/* 39 /dr */ { 0, &BX_CPU_C::CMP_EdGdR },
/* 3A /dr */ { 0, &BX_CPU_C::CMP_GbEbR },
/* 3B /dr */ { 0, &BX_CPU_C::CMP_GdEdR },
/* 3C /dr */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb },
/* 3D /dr */ { BxImmediate_Iv, &BX_CPU_C::CMP_EAXId },
/* 3E /dr */ { BxPrefix, &BX_CPU_C::BxError }, // DS:
/* 3F /dr */ { 0, &BX_CPU_C::AAS },
/* 40 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 41 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 42 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 43 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 44 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 45 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 46 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 47 /dr */ { 0, &BX_CPU_C::INC_ERX },
/* 48 /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 49 /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4A /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4B /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4C /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4D /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4E /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 4F /dr */ { 0, &BX_CPU_C::DEC_ERX },
/* 50 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 51 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 52 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 53 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 54 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 55 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 56 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 57 /dr */ { 0, &BX_CPU_C::PUSH_ERX },
/* 58 /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 59 /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5A /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5B /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5C /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5D /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5E /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 5F /dr */ { 0, &BX_CPU_C::POP_ERX },
/* 60 /dr */ { 0, &BX_CPU_C::PUSHAD32 },
/* 61 /dr */ { 0, &BX_CPU_C::POPAD32 },
/* 62 /dr */ { 0, &BX_CPU_C::BxError }, // BOUND
/* 63 /dr */ { 0, &BX_CPU_C::ARPL_EwGw },
/* 64 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // FS:
/* 65 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // GS:
/* 66 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // OS:
/* 67 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // AS:
/* 68 /dr */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Id },
/* 69 /dr */ { BxImmediate_Iv, &BX_CPU_C::IMUL_GdEdId },
/* 6A /dr */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Id },
/* 6B /dr */ { BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GdEdId },
/* 6C /dr */ { 0, &BX_CPU_C::REP_INSB_YbDX },
/* 6D /dr */ { 0, &BX_CPU_C::REP_INSD_YdDX },
/* 6E /dr */ { 0, &BX_CPU_C::REP_OUTSB_DXXb },
/* 6F /dr */ { 0, &BX_CPU_C::REP_OUTSD_DXXd },
/* 70 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JO_Jd },
/* 71 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNO_Jd },
/* 72 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JB_Jd },
/* 73 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNB_Jd },
/* 74 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jd },
/* 75 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jd },
/* 76 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JBE_Jd },
/* 77 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNBE_Jd },
/* 78 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JS_Jd },
/* 79 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNS_Jd },
/* 7A /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JP_Jd },
/* 7B /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNP_Jd },
/* 7C /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JL_Jd },
/* 7D /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNL_Jd },
/* 7E /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JLE_Jd },
/* 7F /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JNLE_Jd },
/* 80 /dr */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbR },
/* 81 /dr */ { BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1EdR },
/* 82 /dr */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbR },
/* 83 /dr */ { BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1EdR },
/* 84 /dr */ { 0, &BX_CPU_C::TEST_EbGbR },
/* 85 /dr */ { 0, &BX_CPU_C::TEST_EdGdR },
/* 86 /dr */ { 0, &BX_CPU_C::XCHG_EbGbR },
/* 87 /dr */ { 0, &BX_CPU_C::XCHG_EdGdR },
/* 88 /dr */ { 0, &BX_CPU_C::MOV_EbGbR },
/* 89 /dr */ { 0, &BX_CPU_C::MOV_EdGdR },
/* 8A /dr */ { 0, &BX_CPU_C::MOV_GbEbR },
/* 8B /dr */ { 0, &BX_CPU_C::MOV_GdEdR },
/* 8C /dr */ { 0, &BX_CPU_C::MOV_EwSw },
/* 8D /dr */ { 0, &BX_CPU_C::BxError }, // LEA
/* 8E /dr */ { 0, &BX_CPU_C::MOV_SwEw },
/* 8F /dr */ { 0, &BX_CPU_C::POP_EdR },
/* 90 /dr */ { 0, &BX_CPU_C::NOP },
/* 91 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 92 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 93 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 94 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 95 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 96 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 97 /dr */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 98 /dr */ { 0, &BX_CPU_C::CWDE },
/* 99 /dr */ { 0, &BX_CPU_C::CDQ },
/* 9A /dr */ { BxImmediate_IvIw, &BX_CPU_C::CALL32_Ap },
/* 9B /dr */ { 0, &BX_CPU_C::FWAIT },
/* 9C /dr */ { 0, &BX_CPU_C::PUSHF_Fd },
/* 9D /dr */ { 0, &BX_CPU_C::POPF_Fd },
/* 9E /dr */ { 0, &BX_CPU_C::SAHF },
/* 9F /dr */ { 0, &BX_CPU_C::LAHF },
/* A0 /dr */ { BxImmediate_O, &BX_CPU_C::MOV_ALOd },
/* A1 /dr */ { BxImmediate_O, &BX_CPU_C::MOV_EAXOd },
/* A2 /dr */ { BxImmediate_O, &BX_CPU_C::MOV_OdAL },
/* A3 /dr */ { BxImmediate_O, &BX_CPU_C::MOV_OdEAX },
/* A4 /dr */ { 0, &BX_CPU_C::REP_MOVSB_XbYb },
/* A5 /dr */ { 0, &BX_CPU_C::REP_MOVSD_XdYd },
/* A6 /dr */ { 0, &BX_CPU_C::REP_CMPSB_XbYb },
/* A7 /dr */ { 0, &BX_CPU_C::REP_CMPSD_XdYd },
/* A8 /dr */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb },
/* A9 /dr */ { BxImmediate_Iv, &BX_CPU_C::TEST_EAXId },
/* AA /dr */ { 0, &BX_CPU_C::REP_STOSB_YbAL },
/* AB /dr */ { 0, &BX_CPU_C::REP_STOSD_YdEAX },
/* AC /dr */ { 0, &BX_CPU_C::REP_LODSB_ALXb },
/* AD /dr */ { 0, &BX_CPU_C::REP_LODSD_EAXXd },
/* AE /dr */ { 0, &BX_CPU_C::REP_SCASB_ALXb },
/* AF /dr */ { 0, &BX_CPU_C::REP_SCASD_EAXXd },
/* B0 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B1 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B2 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B3 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B4 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B5 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B6 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B7 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B8 /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* B9 /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BA /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BB /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BC /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BD /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BE /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BF /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* C0 /dr */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb },
/* C1 /dr */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ed },
/* C2 /dr */ { BxImmediate_Iw, &BX_CPU_C::RETnear32_Iw },
/* C3 /dr */ { 0, &BX_CPU_C::RETnear32 },
/* C4 /dr */ { 0, &BX_CPU_C::BxError }, // LES
/* C5 /dr */ { 0, &BX_CPU_C::BxError }, // LDS
/* C6 /dr */ { BxImmediate_Ib, &BX_CPU_C::MOV_EbIbR },
/* C7 /dr */ { BxImmediate_Iv, &BX_CPU_C::MOV_EdIdR },
/* C8 /dr */ { BxImmediate_IwIb, &BX_CPU_C::ENTER32_IwIb },
/* C9 /dr */ { 0, &BX_CPU_C::LEAVE },
/* CA /dr */ { BxImmediate_Iw, &BX_CPU_C::RETfar32_Iw },
/* CB /dr */ { 0, &BX_CPU_C::RETfar32 },
/* CC /dr */ { 0, &BX_CPU_C::INT3 },
/* CD /dr */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib },
/* CE /dr */ { 0, &BX_CPU_C::INTO },
/* CF /dr */ { 0, &BX_CPU_C::IRET32 },
/* D0 /dr */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D1 /dr */ { BxGroup2, NULL, BxOpcodeInfoG2Ed },
/* D2 /dr */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D3 /dr */ { BxGroup2, NULL, BxOpcodeInfoG2Ed },
/* D4 /dr */ { BxImmediate_Ib, &BX_CPU_C::AAM },
/* D5 /dr */ { BxImmediate_Ib, &BX_CPU_C::AAD },
/* D6 /dr */ { 0, &BX_CPU_C::SALC },
/* D7 /dr */ { 0, &BX_CPU_C::XLAT },
#if BX_SUPPORT_FPU
// by default we have here pointer to the group .. as if mod <> 11b
/* D8 /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 },
/* D9 /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 },
/* DA /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA },
/* DB /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB },
/* DC /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC },
/* DD /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD },
/* DE /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE },
/* DF /dr */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF },
#else
/* D8 /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* D9 /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DA /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DB /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DC /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DD /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DE /dr */ { 0, &BX_CPU_C::FPU_ESC },
/* DF /dr */ { 0, &BX_CPU_C::FPU_ESC },
#endif
/* E0 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb },
/* E1 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb },
/* E2 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb },
/* E3 /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb },
/* E4 /dr */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb },
/* E5 /dr */ { BxImmediate_Ib, &BX_CPU_C::IN_EAXIb },
/* E6 /dr */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL },
/* E7 /dr */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbEAX },
/* E8 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::CALL_Jd },
/* E9 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JMP_Jd },
/* EA /dr */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap },
/* EB /dr */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jd },
/* EC /dr */ { 0, &BX_CPU_C::IN_ALDX },
/* ED /dr */ { 0, &BX_CPU_C::IN_EAXDX },
/* EE /dr */ { 0, &BX_CPU_C::OUT_DXAL },
/* EF /dr */ { 0, &BX_CPU_C::OUT_DXEAX },
/* F0 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // LOCK:
/* F1 /dr */ { 0, &BX_CPU_C::INT1 },
/* F2 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // REPNE/REPNZ
/* F3 /dr */ { BxPrefix, &BX_CPU_C::BxError }, // REP,REPE/REPZ
/* F4 /dr */ { 0, &BX_CPU_C::HLT },
/* F5 /dr */ { 0, &BX_CPU_C::CMC },
/* F6 /dr */ { BxGroup3, NULL, BxOpcodeInfoG3EbR },
/* F7 /dr */ { BxGroup3, NULL, BxOpcodeInfoG3EdR },
/* F8 /dr */ { 0, &BX_CPU_C::CLC },
/* F9 /dr */ { 0, &BX_CPU_C::STC },
/* FA /dr */ { 0, &BX_CPU_C::CLI },
/* FB /dr */ { 0, &BX_CPU_C::STI },
/* FC /dr */ { 0, &BX_CPU_C::CLD },
/* FD /dr */ { 0, &BX_CPU_C::STD },
/* FE /dr */ { BxGroup5, NULL, BxOpcodeInfoG4R },
/* FF /dr */ { BxGroup5, NULL, BxOpcodeInfoG5dR },
/* 0F 00 /dr */ { BxGroup6, NULL, BxOpcodeInfoG6 },
/* 0F 01 /dr */ { BxGroup7, NULL, BxOpcodeInfoG7R },
/* 0F 02 /dr */ { 0, &BX_CPU_C::LAR_GvEw },
/* 0F 03 /dr */ { 0, &BX_CPU_C::LSL_GvEw },
/* 0F 04 /dr */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64
/* 0F 05 /dr */ { 0, &BX_CPU_C::SYSCALL },
#elif BX_CPU_LEVEL == 2
/* 0F 05 /dr */ { 0, &BX_CPU_C::LOADALL },
#else
/* 0F 05 /dr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 06 /dr */ { 0, &BX_CPU_C::CLTS },
#if BX_SUPPORT_X86_64
/* 0F 07 /dr */ { 0, &BX_CPU_C::SYSRET },
#else
/* 0F 07 /dr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 08 /dr */ { 0, &BX_CPU_C::INVD },
/* 0F 09 /dr */ { 0, &BX_CPU_C::WBINVD },
/* 0F 0A /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 0B /dr */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F 0C /dr */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
/* 0F 0D /dr */ { 0, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel
#else
/* 0F 0D /dr */ { 0, &BX_CPU_C::BxError },
#endif
#if BX_SUPPORT_3DNOW
/* 0F 0E /dr */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS
/* 0F 0F /dr */ { BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo },
#else
/* 0F 0E /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 0F /dr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 10 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 },
/* 0F 14 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 },
/* 0F 18 /dr */ { 0, &BX_CPU_C::PREFETCH }, // opcode group G16, PREFETCH hints
#if BX_CPU_LEVEL < 6
/* 0F 19 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1A /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1B /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1C /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1D /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1E /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 1F /dr */ { 0, &BX_CPU_C::BxError },
#else
/* 0F 19 /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1A /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1B /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1C /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1D /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1E /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1F /dr */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
#endif
/* 0F 20 /dr */ { 0, &BX_CPU_C::MOV_RdCd },
/* 0F 21 /dr */ { 0, &BX_CPU_C::MOV_RdDd },
/* 0F 22 /dr */ { 0, &BX_CPU_C::MOV_CdRd },
/* 0F 23 /dr */ { 0, &BX_CPU_C::MOV_DdRd },
/* 0F 24 /dr */ { 0, &BX_CPU_C::MOV_RdTd },
/* 0F 25 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 26 /dr */ { 0, &BX_CPU_C::MOV_TdRd },
/* 0F 27 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 28 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /dr */ { 0, &BX_CPU_C::BxError }, // MOVNTPS/PD/SS/SD
/* 0F 2C /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /dr */ { 0, &BX_CPU_C::WRMSR },
/* 0F 31 /dr */ { 0, &BX_CPU_C::RDTSC },
/* 0F 32 /dr */ { 0, &BX_CPU_C::RDMSR },
/* 0F 33 /dr */ { 0, &BX_CPU_C::RDPMC },
/* 0F 34 /dr */ { 0, &BX_CPU_C::SYSENTER },
/* 0F 35 /dr */ { 0, &BX_CPU_C::SYSEXIT },
/* 0F 36 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 37 /dr */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 38 /dr */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape
#else
/* 0F 38 /dr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 39 /dr */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 3A /dr */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape
#else
/* 0F 3A /dr */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 3B /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 3C /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 3D /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 3E /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 3F /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 40 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 41 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 42 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 43 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 44 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 45 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 46 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 47 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 48 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 49 /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4A /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4B /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4C /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4D /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4E /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4F /dr */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 50 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 },
/* 0F 51 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c },
/* 0F 6D /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d },
/* 0F 6E /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /dr */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /dr */ { BxGroup12, NULL, BxOpcodeInfoG12 },
/* 0F 72 /dr */ { BxGroup13, NULL, BxOpcodeInfoG13 },
/* 0F 73 /dr */ { BxGroup14, NULL, BxOpcodeInfoG14 },
/* 0F 74 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /dr */ { 0, &BX_CPU_C::EMMS },
/* 0F 78 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 79 /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 7A /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 7B /dr */ { 0, &BX_CPU_C::BxError },
/* 0F 7C /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JO_Jd },
/* 0F 81 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNO_Jd },
/* 0F 82 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JB_Jd },
/* 0F 83 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNB_Jd },
/* 0F 84 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JZ_Jd },
/* 0F 85 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNZ_Jd },
/* 0F 86 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JBE_Jd },
/* 0F 87 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNBE_Jd },
/* 0F 88 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JS_Jd },
/* 0F 89 /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNS_Jd },
/* 0F 8A /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JP_Jd },
/* 0F 8B /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNP_Jd },
/* 0F 8C /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JL_Jd },
/* 0F 8D /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNL_Jd },
/* 0F 8E /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JLE_Jd },
/* 0F 8F /dr */ { BxImmediate_BrOff32, &BX_CPU_C::JNLE_Jd },
/* 0F 90 /dr */ { 0, &BX_CPU_C::SETO_Eb },
/* 0F 91 /dr */ { 0, &BX_CPU_C::SETNO_Eb },
/* 0F 92 /dr */ { 0, &BX_CPU_C::SETB_Eb },
/* 0F 93 /dr */ { 0, &BX_CPU_C::SETNB_Eb },
/* 0F 94 /dr */ { 0, &BX_CPU_C::SETZ_Eb },
/* 0F 95 /dr */ { 0, &BX_CPU_C::SETNZ_Eb },
/* 0F 96 /dr */ { 0, &BX_CPU_C::SETBE_Eb },
/* 0F 97 /dr */ { 0, &BX_CPU_C::SETNBE_Eb },
/* 0F 98 /dr */ { 0, &BX_CPU_C::SETS_Eb },
/* 0F 99 /dr */ { 0, &BX_CPU_C::SETNS_Eb },
/* 0F 9A /dr */ { 0, &BX_CPU_C::SETP_Eb },
/* 0F 9B /dr */ { 0, &BX_CPU_C::SETNP_Eb },
/* 0F 9C /dr */ { 0, &BX_CPU_C::SETL_Eb },
/* 0F 9D /dr */ { 0, &BX_CPU_C::SETNL_Eb },
/* 0F 9E /dr */ { 0, &BX_CPU_C::SETLE_Eb },
/* 0F 9F /dr */ { 0, &BX_CPU_C::SETNLE_Eb },
/* 0F A0 /dr */ { 0, &BX_CPU_C::PUSH32_FS },
/* 0F A1 /dr */ { 0, &BX_CPU_C::POP32_FS },
/* 0F A2 /dr */ { 0, &BX_CPU_C::CPUID },
/* 0F A3 /dr */ { 0, &BX_CPU_C::BT_EdGdR },
/* 0F A4 /dr */ { BxImmediate_Ib, &BX_CPU_C::SHLD_EdGd },
/* 0F A5 /dr */ { 0, &BX_CPU_C::SHLD_EdGd },
/* 0F A6 /dr */ { 0, &BX_CPU_C::CMPXCHG_XBTS },
/* 0F A7 /dr */ { 0, &BX_CPU_C::CMPXCHG_IBTS },
/* 0F A8 /dr */ { 0, &BX_CPU_C::PUSH32_GS },
/* 0F A9 /dr */ { 0, &BX_CPU_C::POP32_GS },
/* 0F AA /dr */ { 0, &BX_CPU_C::RSM },
/* 0F AB /dr */ { 0, &BX_CPU_C::BTS_EdGdR },
/* 0F AC /dr */ { BxImmediate_Ib, &BX_CPU_C::SHRD_EdGd },
/* 0F AD /dr */ { 0, &BX_CPU_C::SHRD_EdGd },
/* 0F AE /dr */ { BxGroup15, NULL, BxOpcodeInfoG15R },
/* 0F AF /dr */ { 0, &BX_CPU_C::IMUL_GdEd },
/* 0F B0 /dr */ { 0, &BX_CPU_C::CMPXCHG_EbGbR },
/* 0F B1 /dr */ { 0, &BX_CPU_C::CMPXCHG_EdGdR },
/* 0F B2 /dr */ { 0, &BX_CPU_C::BxError }, // LSS
/* 0F B3 /dr */ { 0, &BX_CPU_C::BTR_EdGdR },
/* 0F B4 /dr */ { 0, &BX_CPU_C::BxError }, // LFS
/* 0F B5 /dr */ { 0, &BX_CPU_C::BxError }, // LGS
/* 0F B6 /dr */ { 0, &BX_CPU_C::MOVZX_GdEbR },
/* 0F B7 /dr */ { 0, &BX_CPU_C::MOVZX_GdEwR },
/* 0F B8 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fb8d },
/* 0F B9 /dr */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F BA /dr */ { BxGroup8, NULL, BxOpcodeInfoG8EdIbR },
/* 0F BB /dr */ { 0, &BX_CPU_C::BTC_EdGdR },
/* 0F BC /dr */ { 0, &BX_CPU_C::BSF_GdEd },
/* 0F BD /dr */ { 0, &BX_CPU_C::BSR_GdEd },
/* 0F BE /dr */ { 0, &BX_CPU_C::MOVSX_GdEbR },
/* 0F BF /dr */ { 0, &BX_CPU_C::MOVSX_GdEwR },
/* 0F C0 /dr */ { 0, &BX_CPU_C::XADD_EbGbR },
/* 0F C1 /dr */ { 0, &BX_CPU_C::XADD_EdGdR },
/* 0F C2 /dr */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /dr */ { 0, &BX_CPU_C::BxError }, // MOVNTI SSE group
/* 0F C4 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 },
/* 0F C6 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /dr */ { 0, &BX_CPU_C::BxError }, // CMPXCHG8B G9 group
/* 0F C8 /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F C9 /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CA /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CB /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CC /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CD /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CE /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CF /dr */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F D0 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 },
/* 0F D8 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda },
/* 0F DB /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb },
/* 0F DC /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc },
/* 0F DD /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd },
/* 0F DE /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde },
/* 0F DF /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /dr */ { 0, &BX_CPU_C::BxError }, // MOVNTQ/MOVNTDQ SSE group
/* 0F E8 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea },
/* 0F EB /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb },
/* 0F EC /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec },
/* 0F ED /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed },
/* 0F EE /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee },
/* 0F EF /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef },
/* 0F F0 /dr */ { 0, &BX_CPU_C::BxError }, // LDDQU SSE group
/* 0F F1 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 },
/* 0F F8 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa },
/* 0F FB /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb },
/* 0F FC /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc },
/* 0F FD /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd },
/* 0F FE /dr */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe },
/* 0F FF /dr */ { 0, &BX_CPU_C::BxError }
};
/* ************************** */
/* 512 entries for 16bit mode */
/* 512 entries for 32bit mode */
/* ************************** */
static const BxOpcodeInfo_t BxOpcodeInfo32M[512*2] = {
// 512 entries for 16bit mode
/* 00 /wm */ { BxLockable, &BX_CPU_C::ADD_EbGbM },
/* 01 /wm */ { BxLockable, &BX_CPU_C::ADD_EwGwM },
/* 02 /wm */ { 0, &BX_CPU_C::ADD_GbEbM },
/* 03 /wm */ { 0, &BX_CPU_C::ADD_GwEwM },
/* 04 /wm */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb },
/* 05 /wm */ { BxImmediate_Iv, &BX_CPU_C::ADD_AXIw },
/* 06 /wm */ { 0, &BX_CPU_C::PUSH16_ES },
/* 07 /wm */ { 0, &BX_CPU_C::POP16_ES },
/* 08 /wm */ { BxLockable, &BX_CPU_C::OR_EbGbM },
/* 09 /wm */ { BxLockable, &BX_CPU_C::OR_EwGwM },
/* 0A /wm */ { 0, &BX_CPU_C::OR_GbEbM },
/* 0B /wm */ { 0, &BX_CPU_C::OR_GwEwM },
/* 0C /wm */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb },
/* 0D /wm */ { BxImmediate_Iv, &BX_CPU_C::OR_AXIw },
/* 0E /wm */ { 0, &BX_CPU_C::PUSH16_CS },
/* 0F /wm */ { 0, &BX_CPU_C::BxError }, // 2-byte escape
/* 10 /wm */ { BxLockable, &BX_CPU_C::ADC_EbGbM },
/* 11 /wm */ { BxLockable, &BX_CPU_C::ADC_EwGwM },
/* 12 /wm */ { 0, &BX_CPU_C::ADC_GbEbM },
/* 13 /wm */ { 0, &BX_CPU_C::ADC_GwEwM },
/* 14 /wm */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb },
/* 15 /wm */ { BxImmediate_Iv, &BX_CPU_C::ADC_AXIw },
/* 16 /wm */ { 0, &BX_CPU_C::PUSH16_SS },
/* 17 /wm */ { 0, &BX_CPU_C::POP16_SS },
/* 18 /wm */ { BxLockable, &BX_CPU_C::SBB_EbGbM },
/* 19 /wm */ { BxLockable, &BX_CPU_C::SBB_EwGwM },
/* 1A /wm */ { 0, &BX_CPU_C::SBB_GbEbM },
/* 1B /wm */ { 0, &BX_CPU_C::SBB_GwEwM },
/* 1C /wm */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb },
/* 1D /wm */ { BxImmediate_Iv, &BX_CPU_C::SBB_AXIw },
/* 1E /wm */ { 0, &BX_CPU_C::PUSH16_DS },
/* 1F /wm */ { 0, &BX_CPU_C::POP16_DS },
/* 20 /wm */ { BxLockable, &BX_CPU_C::AND_EbGbM },
/* 21 /wm */ { BxLockable, &BX_CPU_C::AND_EwGwM },
/* 22 /wm */ { 0, &BX_CPU_C::AND_GbEbM },
/* 23 /wm */ { 0, &BX_CPU_C::AND_GwEwM },
/* 24 /wm */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb },
/* 25 /wm */ { BxImmediate_Iv, &BX_CPU_C::AND_AXIw },
/* 26 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // ES:
/* 27 /wm */ { 0, &BX_CPU_C::DAA },
/* 28 /wm */ { BxLockable, &BX_CPU_C::SUB_EbGbM },
/* 29 /wm */ { BxLockable, &BX_CPU_C::SUB_EwGwM },
/* 2A /wm */ { 0, &BX_CPU_C::SUB_GbEbM },
/* 2B /wm */ { 0, &BX_CPU_C::SUB_GwEwM },
/* 2C /wm */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb },
/* 2D /wm */ { BxImmediate_Iv, &BX_CPU_C::SUB_AXIw },
/* 2E /wm */ { BxPrefix, &BX_CPU_C::BxError }, // CS:
/* 2F /wm */ { 0, &BX_CPU_C::DAS },
/* 30 /wm */ { BxLockable, &BX_CPU_C::XOR_EbGbM },
/* 31 /wm */ { BxLockable, &BX_CPU_C::XOR_EwGwM },
/* 32 /wm */ { 0, &BX_CPU_C::XOR_GbEbM },
/* 33 /wm */ { 0, &BX_CPU_C::XOR_GwEwM },
/* 34 /wm */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb },
/* 35 /wm */ { BxImmediate_Iv, &BX_CPU_C::XOR_AXIw },
/* 36 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // SS:
/* 37 /wm */ { 0, &BX_CPU_C::AAA },
/* 38 /wm */ { 0, &BX_CPU_C::CMP_EbGbM },
/* 39 /wm */ { 0, &BX_CPU_C::CMP_EwGwM },
/* 3A /wm */ { 0, &BX_CPU_C::CMP_GbEbM },
/* 3B /wm */ { 0, &BX_CPU_C::CMP_GwEwM },
/* 3C /wm */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb },
/* 3D /wm */ { BxImmediate_Iv, &BX_CPU_C::CMP_AXIw },
/* 3E /wm */ { BxPrefix, &BX_CPU_C::BxError }, // DS:
/* 3F /wm */ { 0, &BX_CPU_C::AAS },
/* 40 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 41 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 42 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 43 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 44 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 45 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 46 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 47 /wm */ { 0, &BX_CPU_C::INC_RX },
/* 48 /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 49 /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4A /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4B /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4C /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4D /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4E /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 4F /wm */ { 0, &BX_CPU_C::DEC_RX },
/* 50 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 51 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 52 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 53 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 54 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 55 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 56 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 57 /wm */ { 0, &BX_CPU_C::PUSH_RX },
/* 58 /wm */ { 0, &BX_CPU_C::POP_RX },
/* 59 /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5A /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5B /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5C /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5D /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5E /wm */ { 0, &BX_CPU_C::POP_RX },
/* 5F /wm */ { 0, &BX_CPU_C::POP_RX },
/* 60 /wm */ { 0, &BX_CPU_C::PUSHAD16 },
/* 61 /wm */ { 0, &BX_CPU_C::POPAD16 },
/* 62 /wm */ { 0, &BX_CPU_C::BOUND_GwMa },
/* 63 /wm */ { 0, &BX_CPU_C::ARPL_EwGw },
/* 64 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // FS:
/* 65 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // GS:
/* 66 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // OS:
/* 67 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // AS:
/* 68 /wm */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Iw },
/* 69 /wm */ { BxImmediate_Iv, &BX_CPU_C::IMUL_GwEwIw },
/* 6A /wm */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Iw },
/* 6B /wm */ { BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GwEwIw },
/* 6C /wm */ { 0, &BX_CPU_C::REP_INSB_YbDX },
/* 6D /wm */ { 0, &BX_CPU_C::REP_INSW_YwDX },
/* 6E /wm */ { 0, &BX_CPU_C::REP_OUTSB_DXXb },
/* 6F /wm */ { 0, &BX_CPU_C::REP_OUTSW_DXXw },
/* 70 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JO_Jw },
/* 71 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNO_Jw },
/* 72 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JB_Jw },
/* 73 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNB_Jw },
/* 74 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jw },
/* 75 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jw },
/* 76 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JBE_Jw },
/* 77 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNBE_Jw },
/* 78 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JS_Jw },
/* 79 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNS_Jw },
/* 7A /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JP_Jw },
/* 7B /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNP_Jw },
/* 7C /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JL_Jw },
/* 7D /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNL_Jw },
/* 7E /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JLE_Jw },
/* 7F /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JNLE_Jw },
/* 80 /wm */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbM },
/* 81 /wm */ { BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1EwM },
/* 82 /wm */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbM },
/* 83 /wm */ { BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1EwM },
/* 84 /wm */ { 0, &BX_CPU_C::TEST_EbGbM },
/* 85 /wm */ { 0, &BX_CPU_C::TEST_EwGwM },
/* 86 /wm */ { BxLockable, &BX_CPU_C::XCHG_EbGbM },
/* 87 /wm */ { BxLockable, &BX_CPU_C::XCHG_EwGwM },
/* 88 /wm */ { 0, &BX_CPU_C::MOV_EbGbM },
/* 89 /wm */ { 0, &BX_CPU_C::MOV_EwGwM },
/* 8A /wm */ { 0, &BX_CPU_C::MOV_GbEbM },
/* 8B /wm */ { 0, &BX_CPU_C::MOV_GwEwM },
/* 8C /wm */ { 0, &BX_CPU_C::MOV_EwSw },
/* 8D /wm */ { 0, &BX_CPU_C::LEA_GwM },
/* 8E /wm */ { 0, &BX_CPU_C::MOV_SwEw },
/* 8F /wm */ { 0, &BX_CPU_C::POP_EwM },
/* 90 /wm */ { 0, &BX_CPU_C::NOP },
/* 91 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 92 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 93 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 94 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 95 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 96 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 97 /wm */ { 0, &BX_CPU_C::XCHG_RXAX },
/* 98 /wm */ { 0, &BX_CPU_C::CBW },
/* 99 /wm */ { 0, &BX_CPU_C::CWD },
/* 9A /wm */ { BxImmediate_IvIw, &BX_CPU_C::CALL16_Ap },
/* 9B /wm */ { 0, &BX_CPU_C::FWAIT },
/* 9C /wm */ { 0, &BX_CPU_C::PUSHF_Fw },
/* 9D /wm */ { 0, &BX_CPU_C::POPF_Fw },
/* 9E /wm */ { 0, &BX_CPU_C::SAHF },
/* 9F /wm */ { 0, &BX_CPU_C::LAHF },
/* A0 /wm */ { BxImmediate_O, &BX_CPU_C::MOV_ALOd },
/* A1 /wm */ { BxImmediate_O, &BX_CPU_C::MOV_AXOd },
/* A2 /wm */ { BxImmediate_O, &BX_CPU_C::MOV_OdAL },
/* A3 /wm */ { BxImmediate_O, &BX_CPU_C::MOV_OdAX },
/* A4 /wm */ { 0, &BX_CPU_C::REP_MOVSB_XbYb },
/* A5 /wm */ { 0, &BX_CPU_C::REP_MOVSW_XwYw },
/* A6 /wm */ { 0, &BX_CPU_C::REP_CMPSB_XbYb },
/* A7 /wm */ { 0, &BX_CPU_C::REP_CMPSW_XwYw },
/* A8 /wm */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb },
/* A9 /wm */ { BxImmediate_Iv, &BX_CPU_C::TEST_AXIw },
/* AA /wm */ { 0, &BX_CPU_C::REP_STOSB_YbAL },
/* AB /wm */ { 0, &BX_CPU_C::REP_STOSW_YwAX },
/* AC /wm */ { 0, &BX_CPU_C::REP_LODSB_ALXb },
/* AD /wm */ { 0, &BX_CPU_C::REP_LODSW_AXXw },
/* AE /wm */ { 0, &BX_CPU_C::REP_SCASB_ALXb },
/* AF /wm */ { 0, &BX_CPU_C::REP_SCASW_AXXw },
/* B0 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B1 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B2 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B3 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B4 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B5 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B6 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B7 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B8 /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* B9 /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BA /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BB /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BC /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BD /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BE /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* BF /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_RXIw },
/* C0 /wm */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb },
/* C1 /wm */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ew },
/* C2 /wm */ { BxImmediate_Iw, &BX_CPU_C::RETnear16_Iw },
/* C3 /wm */ { 0, &BX_CPU_C::RETnear16 },
/* C4 /wm */ { 0, &BX_CPU_C::LES_GwMp },
/* C5 /wm */ { 0, &BX_CPU_C::LDS_GwMp },
/* C6 /wm */ { BxImmediate_Ib, &BX_CPU_C::MOV_EbIbM },
/* C7 /wm */ { BxImmediate_Iv, &BX_CPU_C::MOV_EwIwM },
/* C8 /wm */ { BxImmediate_IwIb, &BX_CPU_C::ENTER16_IwIb },
/* C9 /wm */ { 0, &BX_CPU_C::LEAVE },
/* CA /wm */ { BxImmediate_Iw, &BX_CPU_C::RETfar16_Iw },
/* CB /wm */ { 0, &BX_CPU_C::RETfar16 },
/* CC /wm */ { 0, &BX_CPU_C::INT3 },
/* CD /wm */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib },
/* CE /wm */ { 0, &BX_CPU_C::INTO },
/* CF /wm */ { 0, &BX_CPU_C::IRET16 },
/* D0 /wm */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D1 /wm */ { BxGroup2, NULL, BxOpcodeInfoG2Ew },
/* D2 /wm */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D3 /wm */ { BxGroup2, NULL, BxOpcodeInfoG2Ew },
/* D4 /wm */ { BxImmediate_Ib, &BX_CPU_C::AAM },
/* D5 /wm */ { BxImmediate_Ib, &BX_CPU_C::AAD },
/* D6 /wm */ { 0, &BX_CPU_C::SALC },
/* D7 /wm */ { 0, &BX_CPU_C::XLAT },
#if BX_SUPPORT_FPU
// by default we have here pointer to the group .. as if mod <> 11b
/* D8 /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 },
/* D9 /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 },
/* DA /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA },
/* DB /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB },
/* DC /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC },
/* DD /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD },
/* DE /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE },
/* DF /wm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF },
#else
/* D8 /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* D9 /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DA /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DB /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DC /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DD /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DE /wm */ { 0, &BX_CPU_C::FPU_ESC },
/* DF /wm */ { 0, &BX_CPU_C::FPU_ESC },
#endif
/* E0 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb },
/* E1 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb },
/* E2 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb },
/* E3 /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb },
/* E4 /wm */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb },
/* E5 /wm */ { BxImmediate_Ib, &BX_CPU_C::IN_AXIb },
/* E6 /wm */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL },
/* E7 /wm */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAX },
/* E8 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::CALL_Jw },
/* E9 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JMP_Jw },
/* EA /wm */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap },
/* EB /wm */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jw },
/* EC /wm */ { 0, &BX_CPU_C::IN_ALDX },
/* ED /wm */ { 0, &BX_CPU_C::IN_AXDX },
/* EE /wm */ { 0, &BX_CPU_C::OUT_DXAL },
/* EF /wm */ { 0, &BX_CPU_C::OUT_DXAX },
/* F0 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // LOCK
/* F1 /wm */ { 0, &BX_CPU_C::INT1 },
/* F2 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // REPNE/REPNZ
/* F3 /wm */ { BxPrefix, &BX_CPU_C::BxError }, // REP, REPE/REPZ
/* F4 /wm */ { 0, &BX_CPU_C::HLT },
/* F5 /wm */ { 0, &BX_CPU_C::CMC },
/* F6 /wm */ { BxGroup3, NULL, BxOpcodeInfoG3EbM },
/* F7 /wm */ { BxGroup3, NULL, BxOpcodeInfoG3EwM },
/* F8 /wm */ { 0, &BX_CPU_C::CLC },
/* F9 /wm */ { 0, &BX_CPU_C::STC },
/* FA /wm */ { 0, &BX_CPU_C::CLI },
/* FB /wm */ { 0, &BX_CPU_C::STI },
/* FC /wm */ { 0, &BX_CPU_C::CLD },
/* FD /wm */ { 0, &BX_CPU_C::STD },
/* FE /wm */ { BxGroup4, NULL, BxOpcodeInfoG4M },
/* FF /wm */ { BxGroup5, NULL, BxOpcodeInfoG5wM },
/* 0F 00 /wm */ { BxGroup6, NULL, BxOpcodeInfoG6 },
/* 0F 01 /wm */ { BxGroup7, NULL, BxOpcodeInfoG7M },
/* 0F 02 /wm */ { 0, &BX_CPU_C::LAR_GvEw },
/* 0F 03 /wm */ { 0, &BX_CPU_C::LSL_GvEw },
/* 0F 04 /wm */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64
/* 0F 05 /wm */ { 0, &BX_CPU_C::SYSCALL },
#elif BX_CPU_LEVEL == 2
/* 0F 05 /wm */ { 0, &BX_CPU_C::LOADALL },
#else
/* 0F 05 /wm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 06 /wm */ { 0, &BX_CPU_C::CLTS },
#if BX_SUPPORT_X86_64
/* 0F 07 /wm */ { 0, &BX_CPU_C::SYSRET },
#else
/* 0F 07 /wm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 08 /wm */ { 0, &BX_CPU_C::INVD },
/* 0F 09 /wm */ { 0, &BX_CPU_C::WBINVD },
/* 0F 0A /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 0B /wm */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F 0C /wm */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
/* 0F 0D /wm */ { 0, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel
#else
/* 0F 0D /wm */ { 0, &BX_CPU_C::BxError },
#endif
#if BX_SUPPORT_3DNOW
/* 0F 0E /wm */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS
/* 0F 0F /wm */ { BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo },
#else
/* 0F 0E /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 0F /wm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 10 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 },
/* 0F 14 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 },
/* 0F 18 /wm */ { 0, &BX_CPU_C::PREFETCH }, // opcode group G16, PREFETCH hints
#if BX_CPU_LEVEL < 6
/* 0F 19 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1A /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1B /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1C /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1D /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1E /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 1F /wm */ { 0, &BX_CPU_C::BxError },
#else
/* 0F 19 /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1A /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1B /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1C /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1D /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1E /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1F /wm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
#endif
/* 0F 20 /wm */ { 0, &BX_CPU_C::MOV_RdCd },
/* 0F 21 /wm */ { 0, &BX_CPU_C::MOV_RdDd },
/* 0F 22 /wm */ { 0, &BX_CPU_C::MOV_CdRd },
/* 0F 23 /wm */ { 0, &BX_CPU_C::MOV_DdRd },
/* 0F 24 /wm */ { 0, &BX_CPU_C::MOV_RdTd },
/* 0F 25 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 26 /wm */ { 0, &BX_CPU_C::MOV_TdRd },
/* 0F 27 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 28 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2bM },
/* 0F 2C /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /wm */ { 0, &BX_CPU_C::WRMSR },
/* 0F 31 /wm */ { 0, &BX_CPU_C::RDTSC },
/* 0F 32 /wm */ { 0, &BX_CPU_C::RDMSR },
/* 0F 33 /wm */ { 0, &BX_CPU_C::RDPMC },
/* 0F 34 /wm */ { 0, &BX_CPU_C::SYSENTER },
/* 0F 35 /wm */ { 0, &BX_CPU_C::SYSEXIT },
/* 0F 36 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 37 /wm */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 38 /wm */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape
#else
/* 0F 38 /wm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 39 /wm */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 3A /wm */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape
#else
/* 0F 3A /wm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 3B /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 3C /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 3D /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 3E /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 3F /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 40 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 41 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 42 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 43 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 44 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 45 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 46 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 47 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 48 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 49 /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4A /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4B /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4C /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4D /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4E /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 4F /wm */ { 0, &BX_CPU_C::CMOV_GwEw },
/* 0F 50 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 },
/* 0F 51 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c },
/* 0F 6D /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d },
/* 0F 6E /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /wm */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /wm */ { BxGroup12, NULL, BxOpcodeInfoG12 },
/* 0F 72 /wm */ { BxGroup13, NULL, BxOpcodeInfoG13 },
/* 0F 73 /wm */ { BxGroup14, NULL, BxOpcodeInfoG14 },
/* 0F 74 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /wm */ { 0, &BX_CPU_C::EMMS },
/* 0F 78 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 79 /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 7A /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 7B /wm */ { 0, &BX_CPU_C::BxError },
/* 0F 7C /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JO_Jw },
/* 0F 81 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNO_Jw },
/* 0F 82 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JB_Jw },
/* 0F 83 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNB_Jw },
/* 0F 84 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JZ_Jw },
/* 0F 85 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNZ_Jw },
/* 0F 86 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JBE_Jw },
/* 0F 87 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNBE_Jw },
/* 0F 88 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JS_Jw },
/* 0F 89 /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNS_Jw },
/* 0F 8A /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JP_Jw },
/* 0F 8B /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNP_Jw },
/* 0F 8C /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JL_Jw },
/* 0F 8D /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNL_Jw },
/* 0F 8E /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JLE_Jw },
/* 0F 8F /wm */ { BxImmediate_BrOff16, &BX_CPU_C::JNLE_Jw },
/* 0F 90 /wm */ { 0, &BX_CPU_C::SETO_Eb },
/* 0F 91 /wm */ { 0, &BX_CPU_C::SETNO_Eb },
/* 0F 92 /wm */ { 0, &BX_CPU_C::SETB_Eb },
/* 0F 93 /wm */ { 0, &BX_CPU_C::SETNB_Eb },
/* 0F 94 /wm */ { 0, &BX_CPU_C::SETZ_Eb },
/* 0F 95 /wm */ { 0, &BX_CPU_C::SETNZ_Eb },
/* 0F 96 /wm */ { 0, &BX_CPU_C::SETBE_Eb },
/* 0F 97 /wm */ { 0, &BX_CPU_C::SETNBE_Eb },
/* 0F 98 /wm */ { 0, &BX_CPU_C::SETS_Eb },
/* 0F 99 /wm */ { 0, &BX_CPU_C::SETNS_Eb },
/* 0F 9A /wm */ { 0, &BX_CPU_C::SETP_Eb },
/* 0F 9B /wm */ { 0, &BX_CPU_C::SETNP_Eb },
/* 0F 9C /wm */ { 0, &BX_CPU_C::SETL_Eb },
/* 0F 9D /wm */ { 0, &BX_CPU_C::SETNL_Eb },
/* 0F 9E /wm */ { 0, &BX_CPU_C::SETLE_Eb },
/* 0F 9F /wm */ { 0, &BX_CPU_C::SETNLE_Eb },
/* 0F A0 /wm */ { 0, &BX_CPU_C::PUSH16_FS },
/* 0F A1 /wm */ { 0, &BX_CPU_C::POP16_FS },
/* 0F A2 /wm */ { 0, &BX_CPU_C::CPUID },
/* 0F A3 /wm */ { 0, &BX_CPU_C::BT_EwGwM },
/* 0F A4 /wm */ { BxImmediate_Ib, &BX_CPU_C::SHLD_EwGw },
/* 0F A5 /wm */ { 0, &BX_CPU_C::SHLD_EwGw },
/* 0F A6 /wm */ { 0, &BX_CPU_C::CMPXCHG_XBTS },
/* 0F A7 /wm */ { 0, &BX_CPU_C::CMPXCHG_IBTS },
/* 0F A8 /wm */ { 0, &BX_CPU_C::PUSH16_GS },
/* 0F A9 /wm */ { 0, &BX_CPU_C::POP16_GS },
/* 0F AA /wm */ { 0, &BX_CPU_C::RSM },
/* 0F AB /wm */ { BxLockable, &BX_CPU_C::BTS_EwGwM },
/* 0F AC /wm */ { BxImmediate_Ib, &BX_CPU_C::SHRD_EwGw },
/* 0F AD /wm */ { 0, &BX_CPU_C::SHRD_EwGw },
/* 0F AE /wm */ { BxGroup15, NULL, BxOpcodeInfoG15M },
/* 0F AF /wm */ { 0, &BX_CPU_C::IMUL_GwEw },
/* 0F B0 /wm */ { BxLockable, &BX_CPU_C::CMPXCHG_EbGbM },
/* 0F B1 /wm */ { BxLockable, &BX_CPU_C::CMPXCHG_EwGwM },
/* 0F B2 /wm */ { 0, &BX_CPU_C::LSS_GwMp },
/* 0F B3 /wm */ { BxLockable, &BX_CPU_C::BTR_EwGwM },
/* 0F B4 /wm */ { 0, &BX_CPU_C::LFS_GwMp },
/* 0F B5 /wm */ { 0, &BX_CPU_C::LGS_GwMp },
/* 0F B6 /wm */ { 0, &BX_CPU_C::MOVZX_GwEbM },
/* 0F B7 /wm */ { 0, &BX_CPU_C::MOV_GwEwM }, // MOVZX_GwEw
/* 0F B8 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fb8w },
/* 0F B9 /wm */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F BA /wm */ { BxGroup8, NULL, BxOpcodeInfoG8EwIbM },
/* 0F BB /wm */ { BxLockable, &BX_CPU_C::BTC_EwGwM },
/* 0F BC /wm */ { 0, &BX_CPU_C::BSF_GwEw },
/* 0F BD /wm */ { 0, &BX_CPU_C::BSR_GwEw },
/* 0F BE /wm */ { 0, &BX_CPU_C::MOVSX_GwEbM },
/* 0F BF /wm */ { 0, &BX_CPU_C::MOV_GwEwM }, // MOVSX_GwEw
/* 0F C0 /wm */ { BxLockable, &BX_CPU_C::XADD_EbGbM },
/* 0F C1 /wm */ { BxLockable, &BX_CPU_C::XADD_EwGwM },
/* 0F C2 /wm */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc3M },
/* 0F C4 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 },
/* 0F C6 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /wm */ { BxGroup9, NULL, BxOpcodeInfoG9M },
/* 0F C8 /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F C9 /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CA /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CB /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CC /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CD /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CE /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CF /wm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F D0 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 },
/* 0F D8 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda },
/* 0F DB /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb },
/* 0F DC /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc },
/* 0F DD /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd },
/* 0F DE /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde },
/* 0F DF /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe7M },
/* 0F E8 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea },
/* 0F EB /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb },
/* 0F EC /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec },
/* 0F ED /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed },
/* 0F EE /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee },
/* 0F EF /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef },
/* 0F F0 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff0M },
/* 0F F1 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 },
/* 0F F8 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa },
/* 0F FB /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb },
/* 0F FC /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc },
/* 0F FD /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd },
/* 0F FE /wm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe },
/* 0F FF /wm */ { 0, &BX_CPU_C::BxError },
// 512 entries for 32bit mode
/* 00 /dm */ { BxLockable, &BX_CPU_C::ADD_EbGbM },
/* 01 /dm */ { BxLockable, &BX_CPU_C::ADD_EdGdM },
/* 02 /dm */ { 0, &BX_CPU_C::ADD_GbEbM },
/* 03 /dm */ { 0, &BX_CPU_C::ADD_GdEdM },
/* 04 /dm */ { BxImmediate_Ib, &BX_CPU_C::ADD_ALIb },
/* 05 /dm */ { BxImmediate_Iv, &BX_CPU_C::ADD_EAXId },
/* 06 /dm */ { 0, &BX_CPU_C::PUSH32_ES },
/* 07 /dm */ { 0, &BX_CPU_C::POP32_ES },
/* 08 /dm */ { BxLockable, &BX_CPU_C::OR_EbGbM },
/* 09 /dm */ { BxLockable, &BX_CPU_C::OR_EdGdM },
/* 0A /dm */ { 0, &BX_CPU_C::OR_GbEbM },
/* 0B /dm */ { 0, &BX_CPU_C::OR_GdEdM },
/* 0C /dm */ { BxImmediate_Ib, &BX_CPU_C::OR_ALIb },
/* 0D /dm */ { BxImmediate_Iv, &BX_CPU_C::OR_EAXId },
/* 0E /dm */ { 0, &BX_CPU_C::PUSH32_CS },
/* 0F /dm */ { 0, &BX_CPU_C::BxError }, // 2-byte escape
/* 10 /dm */ { BxLockable, &BX_CPU_C::ADC_EbGbM },
/* 11 /dm */ { BxLockable, &BX_CPU_C::ADC_EdGdM },
/* 12 /dm */ { 0, &BX_CPU_C::ADC_GbEbM },
/* 13 /dm */ { 0, &BX_CPU_C::ADC_GdEdM },
/* 14 /dm */ { BxImmediate_Ib, &BX_CPU_C::ADC_ALIb },
/* 15 /dm */ { BxImmediate_Iv, &BX_CPU_C::ADC_EAXId },
/* 16 /dm */ { 0, &BX_CPU_C::PUSH32_SS },
/* 17 /dm */ { 0, &BX_CPU_C::POP32_SS },
/* 18 /dm */ { BxLockable, &BX_CPU_C::SBB_EbGbM },
/* 19 /dm */ { BxLockable, &BX_CPU_C::SBB_EdGdM },
/* 1A /dm */ { 0, &BX_CPU_C::SBB_GbEbM },
/* 1B /dm */ { 0, &BX_CPU_C::SBB_GdEdM },
/* 1C /dm */ { BxImmediate_Ib, &BX_CPU_C::SBB_ALIb },
/* 1D /dm */ { BxImmediate_Iv, &BX_CPU_C::SBB_EAXId },
/* 1E /dm */ { 0, &BX_CPU_C::PUSH32_DS },
/* 1F /dm */ { 0, &BX_CPU_C::POP32_DS },
/* 20 /dm */ { BxLockable, &BX_CPU_C::AND_EbGbM },
/* 21 /dm */ { BxLockable, &BX_CPU_C::AND_EdGdM },
/* 22 /dm */ { 0, &BX_CPU_C::AND_GbEbM },
/* 23 /dm */ { 0, &BX_CPU_C::AND_GdEdM },
/* 24 /dm */ { BxImmediate_Ib, &BX_CPU_C::AND_ALIb },
/* 25 /dm */ { BxImmediate_Iv, &BX_CPU_C::AND_EAXId },
/* 26 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // ES:
/* 27 /dm */ { 0, &BX_CPU_C::DAA },
/* 28 /dm */ { BxLockable, &BX_CPU_C::SUB_EbGbM },
/* 29 /dm */ { BxLockable, &BX_CPU_C::SUB_EdGdM },
/* 2A /dm */ { 0, &BX_CPU_C::SUB_GbEbM },
/* 2B /dm */ { 0, &BX_CPU_C::SUB_GdEdM },
/* 2C /dm */ { BxImmediate_Ib, &BX_CPU_C::SUB_ALIb },
/* 2D /dm */ { BxImmediate_Iv, &BX_CPU_C::SUB_EAXId },
/* 2E /dm */ { BxPrefix, &BX_CPU_C::BxError }, // CS:
/* 2F /dm */ { 0, &BX_CPU_C::DAS },
/* 30 /dm */ { BxLockable, &BX_CPU_C::XOR_EbGbM },
/* 31 /dm */ { BxLockable, &BX_CPU_C::XOR_EdGdM },
/* 32 /dm */ { 0, &BX_CPU_C::XOR_GbEbM },
/* 33 /dm */ { 0, &BX_CPU_C::XOR_GdEdM },
/* 34 /dm */ { BxImmediate_Ib, &BX_CPU_C::XOR_ALIb },
/* 35 /dm */ { BxImmediate_Iv, &BX_CPU_C::XOR_EAXId },
/* 36 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // SS:
/* 37 /dm */ { 0, &BX_CPU_C::AAA },
/* 38 /dm */ { 0, &BX_CPU_C::CMP_EbGbM },
/* 39 /dm */ { 0, &BX_CPU_C::CMP_EdGdM },
/* 3A /dm */ { 0, &BX_CPU_C::CMP_GbEbM },
/* 3B /dm */ { 0, &BX_CPU_C::CMP_GdEdM },
/* 3C /dm */ { BxImmediate_Ib, &BX_CPU_C::CMP_ALIb },
/* 3D /dm */ { BxImmediate_Iv, &BX_CPU_C::CMP_EAXId },
/* 3E /dm */ { BxPrefix, &BX_CPU_C::BxError }, // DS:
/* 3F /dm */ { 0, &BX_CPU_C::AAS },
/* 40 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 41 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 42 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 43 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 44 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 45 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 46 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 47 /dm */ { 0, &BX_CPU_C::INC_ERX },
/* 48 /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 49 /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4A /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4B /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4C /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4D /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4E /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 4F /dm */ { 0, &BX_CPU_C::DEC_ERX },
/* 50 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 51 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 52 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 53 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 54 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 55 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 56 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 57 /dm */ { 0, &BX_CPU_C::PUSH_ERX },
/* 58 /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 59 /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5A /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5B /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5C /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5D /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5E /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 5F /dm */ { 0, &BX_CPU_C::POP_ERX },
/* 60 /dm */ { 0, &BX_CPU_C::PUSHAD32 },
/* 61 /dm */ { 0, &BX_CPU_C::POPAD32 },
/* 62 /dm */ { 0, &BX_CPU_C::BOUND_GdMa },
/* 63 /dm */ { 0, &BX_CPU_C::ARPL_EwGw },
/* 64 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // FS:
/* 65 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // GS:
/* 66 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // OS:
/* 67 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // AS:
/* 68 /dm */ { BxImmediate_Iv, &BX_CPU_C::PUSH_Id },
/* 69 /dm */ { BxImmediate_Iv, &BX_CPU_C::IMUL_GdEdId },
/* 6A /dm */ { BxImmediate_Ib_SE, &BX_CPU_C::PUSH_Id },
/* 6B /dm */ { BxImmediate_Ib_SE, &BX_CPU_C::IMUL_GdEdId },
/* 6C /dm */ { 0, &BX_CPU_C::REP_INSB_YbDX },
/* 6D /dm */ { 0, &BX_CPU_C::REP_INSD_YdDX },
/* 6E /dm */ { 0, &BX_CPU_C::REP_OUTSB_DXXb },
/* 6F /dm */ { 0, &BX_CPU_C::REP_OUTSD_DXXd },
/* 70 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JO_Jd },
/* 71 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNO_Jd },
/* 72 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JB_Jd },
/* 73 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNB_Jd },
/* 74 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JZ_Jd },
/* 75 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNZ_Jd },
/* 76 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JBE_Jd },
/* 77 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNBE_Jd },
/* 78 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JS_Jd },
/* 79 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNS_Jd },
/* 7A /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JP_Jd },
/* 7B /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNP_Jd },
/* 7C /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JL_Jd },
/* 7D /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNL_Jd },
/* 7E /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JLE_Jd },
/* 7F /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JNLE_Jd },
/* 80 /dm */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbM },
/* 81 /dm */ { BxGroup1 | BxImmediate_Iv, NULL, BxOpcodeInfoG1EdM },
/* 82 /dm */ { BxGroup1 | BxImmediate_Ib, NULL, BxOpcodeInfoG1EbIbM },
/* 83 /dm */ { BxGroup1 | BxImmediate_Ib_SE, NULL, BxOpcodeInfoG1EdM },
/* 84 /dm */ { 0, &BX_CPU_C::TEST_EbGbM },
/* 85 /dm */ { 0, &BX_CPU_C::TEST_EdGdM },
/* 86 /dm */ { BxLockable, &BX_CPU_C::XCHG_EbGbM },
/* 87 /dm */ { BxLockable, &BX_CPU_C::XCHG_EdGdM },
/* 88 /dm */ { 0, &BX_CPU_C::MOV_EbGbM },
/* 89 /dm */ { 0, &BX_CPU_C::MOV_EdGdM },
/* 8A /dm */ { 0, &BX_CPU_C::MOV_GbEbM },
/* 8B /dm */ { 0, &BX_CPU_C::MOV_GdEdM },
/* 8C /dm */ { 0, &BX_CPU_C::MOV_EwSw },
/* 8D /dm */ { 0, &BX_CPU_C::LEA_GdM },
/* 8E /dm */ { 0, &BX_CPU_C::MOV_SwEw },
/* 8F /dm */ { 0, &BX_CPU_C::POP_EdM },
/* 90 /dm */ { 0, &BX_CPU_C::NOP },
/* 91 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 92 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 93 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 94 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 95 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 96 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 97 /dm */ { 0, &BX_CPU_C::XCHG_ERXEAX },
/* 98 /dm */ { 0, &BX_CPU_C::CWDE },
/* 99 /dm */ { 0, &BX_CPU_C::CDQ },
/* 9A /dm */ { BxImmediate_IvIw, &BX_CPU_C::CALL32_Ap },
/* 9B /dm */ { 0, &BX_CPU_C::FWAIT },
/* 9C /dm */ { 0, &BX_CPU_C::PUSHF_Fd },
/* 9D /dm */ { 0, &BX_CPU_C::POPF_Fd },
/* 9E /dm */ { 0, &BX_CPU_C::SAHF },
/* 9F /dm */ { 0, &BX_CPU_C::LAHF },
/* A0 /dm */ { BxImmediate_O, &BX_CPU_C::MOV_ALOd },
/* A1 /dm */ { BxImmediate_O, &BX_CPU_C::MOV_EAXOd },
/* A2 /dm */ { BxImmediate_O, &BX_CPU_C::MOV_OdAL },
/* A3 /dm */ { BxImmediate_O, &BX_CPU_C::MOV_OdEAX },
/* A4 /dm */ { 0, &BX_CPU_C::REP_MOVSB_XbYb },
/* A5 /dm */ { 0, &BX_CPU_C::REP_MOVSD_XdYd },
/* A6 /dm */ { 0, &BX_CPU_C::REP_CMPSB_XbYb },
/* A7 /dm */ { 0, &BX_CPU_C::REP_CMPSD_XdYd },
/* A8 /dm */ { BxImmediate_Ib, &BX_CPU_C::TEST_ALIb },
/* A9 /dm */ { BxImmediate_Iv, &BX_CPU_C::TEST_EAXId },
/* AA /dm */ { 0, &BX_CPU_C::REP_STOSB_YbAL },
/* AB /dm */ { 0, &BX_CPU_C::REP_STOSD_YdEAX },
/* AC /dm */ { 0, &BX_CPU_C::REP_LODSB_ALXb },
/* AD /dm */ { 0, &BX_CPU_C::REP_LODSD_EAXXd },
/* AE /dm */ { 0, &BX_CPU_C::REP_SCASB_ALXb },
/* AF /dm */ { 0, &BX_CPU_C::REP_SCASD_EAXXd },
/* B0 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B1 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B2 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B3 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RLIb },
/* B4 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B5 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B6 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B7 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_RHIb },
/* B8 /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* B9 /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BA /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BB /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BC /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BD /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BE /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* BF /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_ERXId },
/* C0 /dm */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Eb },
/* C1 /dm */ { BxGroup2 | BxImmediate_Ib, NULL, BxOpcodeInfoG2Ed },
/* C2 /dm */ { BxImmediate_Iw, &BX_CPU_C::RETnear32_Iw },
/* C3 /dm */ { 0, &BX_CPU_C::RETnear32 },
/* C4 /dm */ { 0, &BX_CPU_C::LES_GdMp },
/* C5 /dm */ { 0, &BX_CPU_C::LDS_GdMp },
/* C6 /dm */ { BxImmediate_Ib, &BX_CPU_C::MOV_EbIbM },
/* C7 /dm */ { BxImmediate_Iv, &BX_CPU_C::MOV_EdIdM },
/* C8 /dm */ { BxImmediate_IwIb, &BX_CPU_C::ENTER32_IwIb },
/* C9 /dm */ { 0, &BX_CPU_C::LEAVE },
/* CA /dm */ { BxImmediate_Iw, &BX_CPU_C::RETfar32_Iw },
/* CB /dm */ { 0, &BX_CPU_C::RETfar32 },
/* CC /dm */ { 0, &BX_CPU_C::INT3 },
/* CD /dm */ { BxImmediate_Ib, &BX_CPU_C::INT_Ib },
/* CE /dm */ { 0, &BX_CPU_C::INTO },
/* CF /dm */ { 0, &BX_CPU_C::IRET32 },
/* D0 /dm */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D1 /dm */ { BxGroup2, NULL, BxOpcodeInfoG2Ed },
/* D2 /dm */ { BxGroup2, NULL, BxOpcodeInfoG2Eb },
/* D3 /dm */ { BxGroup2, NULL, BxOpcodeInfoG2Ed },
/* D4 /dm */ { BxImmediate_Ib, &BX_CPU_C::AAM },
/* D5 /dm */ { BxImmediate_Ib, &BX_CPU_C::AAD },
/* D6 /dm */ { 0, &BX_CPU_C::SALC },
/* D7 /dm */ { 0, &BX_CPU_C::XLAT },
#if BX_SUPPORT_FPU
// by default we have here pointer to the group .. as if mod <> 11b
/* D8 /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD8 },
/* D9 /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupD9 },
/* DA /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDA },
/* DB /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDB },
/* DC /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDC },
/* DD /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDD },
/* DE /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDE },
/* DF /dm */ { BxFPGroup, NULL, BxOpcodeInfo_FPGroupDF },
#else
/* D8 /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* D9 /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DA /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DB /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DC /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DD /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DE /dm */ { 0, &BX_CPU_C::FPU_ESC },
/* DF /dm */ { 0, &BX_CPU_C::FPU_ESC },
#endif
/* E0 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPNE_Jb },
/* E1 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOPE_Jb },
/* E2 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::LOOP_Jb },
/* E3 /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JCXZ_Jb },
/* E4 /dm */ { BxImmediate_Ib, &BX_CPU_C::IN_ALIb },
/* E5 /dm */ { BxImmediate_Ib, &BX_CPU_C::IN_EAXIb },
/* E6 /dm */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbAL },
/* E7 /dm */ { BxImmediate_Ib, &BX_CPU_C::OUT_IbEAX },
/* E8 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::CALL_Jd },
/* E9 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JMP_Jd },
/* EA /dm */ { BxImmediate_IvIw, &BX_CPU_C::JMP_Ap },
/* EB /dm */ { BxImmediate_BrOff8, &BX_CPU_C::JMP_Jd },
/* EC /dm */ { 0, &BX_CPU_C::IN_ALDX },
/* ED /dm */ { 0, &BX_CPU_C::IN_EAXDX },
/* EE /dm */ { 0, &BX_CPU_C::OUT_DXAL },
/* EF /dm */ { 0, &BX_CPU_C::OUT_DXEAX },
/* F0 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // LOCK:
/* F1 /dm */ { 0, &BX_CPU_C::INT1 },
/* F2 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // REPNE/REPNZ
/* F3 /dm */ { BxPrefix, &BX_CPU_C::BxError }, // REP,REPE/REPZ
/* F4 /dm */ { 0, &BX_CPU_C::HLT },
/* F5 /dm */ { 0, &BX_CPU_C::CMC },
/* F6 /dm */ { BxGroup3, NULL, BxOpcodeInfoG3EbM },
/* F7 /dm */ { BxGroup3, NULL, BxOpcodeInfoG3EdM },
/* F8 /dm */ { 0, &BX_CPU_C::CLC },
/* F9 /dm */ { 0, &BX_CPU_C::STC },
/* FA /dm */ { 0, &BX_CPU_C::CLI },
/* FB /dm */ { 0, &BX_CPU_C::STI },
/* FC /dm */ { 0, &BX_CPU_C::CLD },
/* FD /dm */ { 0, &BX_CPU_C::STD },
/* FE /dm */ { BxGroup4, NULL, BxOpcodeInfoG4M },
/* FF /dm */ { BxGroup5, NULL, BxOpcodeInfoG5dM },
/* 0F 00 /dm */ { BxGroup6, NULL, BxOpcodeInfoG6 },
/* 0F 01 /dm */ { BxGroup7, NULL, BxOpcodeInfoG7M },
/* 0F 02 /dm */ { 0, &BX_CPU_C::LAR_GvEw },
/* 0F 03 /dm */ { 0, &BX_CPU_C::LSL_GvEw },
/* 0F 04 /dm */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64
/* 0F 05 /dm */ { 0, &BX_CPU_C::SYSCALL },
#elif BX_CPU_LEVEL == 2
/* 0F 05 /dm */ { 0, &BX_CPU_C::LOADALL },
#else
/* 0F 05 /dm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 06 /dm */ { 0, &BX_CPU_C::CLTS },
#if BX_SUPPORT_X86_64
/* 0F 07 /dm */ { 0, &BX_CPU_C::SYSRET },
#else
/* 0F 07 /dm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 08 /dm */ { 0, &BX_CPU_C::INVD },
/* 0F 09 /dm */ { 0, &BX_CPU_C::WBINVD },
/* 0F 0A /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 0B /dm */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F 0C /dm */ { 0, &BX_CPU_C::BxError },
#if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
/* 0F 0D /dm */ { 0, &BX_CPU_C::NOP }, // 3DNow! PREFETCH on AMD, NOP on Intel
#else
/* 0F 0D /dm */ { 0, &BX_CPU_C::BxError },
#endif
#if BX_SUPPORT_3DNOW
/* 0F 0E /dm */ { 0, &BX_CPU_C::EMMS }, // 3DNow! FEMMS
/* 0F 0F /dm */ { BxImmediate_Ib, NULL, Bx3DNowOpcodeInfo },
#else
/* 0F 0E /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 0F /dm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 10 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f10 },
/* 0F 11 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f11 },
/* 0F 12 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f12 },
/* 0F 13 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f13 },
/* 0F 14 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f14 },
/* 0F 15 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f15 },
/* 0F 16 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f16 },
/* 0F 17 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f17 },
/* 0F 18 /dm */ { 0, &BX_CPU_C::PREFETCH }, // opcode group G16, PREFETCH hints
#if BX_CPU_LEVEL < 6
/* 0F 19 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1A /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1B /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1C /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1D /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1E /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 1F /dm */ { 0, &BX_CPU_C::BxError },
#else
/* 0F 19 /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1A /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1B /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1C /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1D /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1E /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
/* 0F 1F /dm */ { 0, &BX_CPU_C::NOP }, // multi-byte NOP
#endif
/* 0F 20 /dm */ { 0, &BX_CPU_C::MOV_RdCd },
/* 0F 21 /dm */ { 0, &BX_CPU_C::MOV_RdDd },
/* 0F 22 /dm */ { 0, &BX_CPU_C::MOV_CdRd },
/* 0F 23 /dm */ { 0, &BX_CPU_C::MOV_DdRd },
/* 0F 24 /dm */ { 0, &BX_CPU_C::MOV_RdTd },
/* 0F 25 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 26 /dm */ { 0, &BX_CPU_C::MOV_TdRd },
/* 0F 27 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 28 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f28 },
/* 0F 29 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f29 },
/* 0F 2A /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2a },
/* 0F 2B /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2bM },
/* 0F 2C /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2c },
/* 0F 2D /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2d },
/* 0F 2E /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2e },
/* 0F 2F /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f2f },
/* 0F 30 /dm */ { 0, &BX_CPU_C::WRMSR },
/* 0F 31 /dm */ { 0, &BX_CPU_C::RDTSC },
/* 0F 32 /dm */ { 0, &BX_CPU_C::RDMSR },
/* 0F 33 /dm */ { 0, &BX_CPU_C::RDPMC },
/* 0F 34 /dm */ { 0, &BX_CPU_C::SYSENTER },
/* 0F 35 /dm */ { 0, &BX_CPU_C::SYSEXIT },
/* 0F 36 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 37 /dm */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 38 /dm */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA4 }, // 3-byte escape
#else
/* 0F 38 /dm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 39 /dm */ { 0, &BX_CPU_C::BxError },
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
/* 0F 3A /dm */ { Bx3ByteOpcode | Bx3ByteOpTable, NULL, BxOpcode3ByteTableA5 }, // 3-byte escape
#else
/* 0F 3A /dm */ { 0, &BX_CPU_C::BxError },
#endif
/* 0F 3B /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 3C /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 3D /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 3E /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 3F /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 40 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 41 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 42 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 43 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 44 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 45 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 46 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 47 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 48 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 49 /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4A /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4B /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4C /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4D /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4E /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 4F /dm */ { 0, &BX_CPU_C::CMOV_GdEd },
/* 0F 50 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f50 },
/* 0F 51 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f51 },
/* 0F 52 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f52 },
/* 0F 53 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f53 },
/* 0F 54 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f54 },
/* 0F 55 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f55 },
/* 0F 56 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f56 },
/* 0F 57 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f57 },
/* 0F 58 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f58 },
/* 0F 59 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f59 },
/* 0F 5A /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5a },
/* 0F 5B /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5b },
/* 0F 5C /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5c },
/* 0F 5D /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5d },
/* 0F 5E /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5e },
/* 0F 5F /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f5f },
/* 0F 60 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f60 },
/* 0F 61 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f61 },
/* 0F 62 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f62 },
/* 0F 63 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f63 },
/* 0F 64 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f64 },
/* 0F 65 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f65 },
/* 0F 66 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f66 },
/* 0F 67 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f67 },
/* 0F 68 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f68 },
/* 0F 69 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f69 },
/* 0F 6A /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6a },
/* 0F 6B /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6b },
/* 0F 6C /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6c },
/* 0F 6D /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6d },
/* 0F 6E /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6e },
/* 0F 6F /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f6f },
/* 0F 70 /dm */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f70 },
/* 0F 71 /dm */ { BxGroup12, NULL, BxOpcodeInfoG12 },
/* 0F 72 /dm */ { BxGroup13, NULL, BxOpcodeInfoG13 },
/* 0F 73 /dm */ { BxGroup14, NULL, BxOpcodeInfoG14 },
/* 0F 74 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f74 },
/* 0F 75 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f75 },
/* 0F 76 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f76 },
/* 0F 77 /dm */ { 0, &BX_CPU_C::EMMS },
/* 0F 78 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 79 /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 7A /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 7B /dm */ { 0, &BX_CPU_C::BxError },
/* 0F 7C /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7c },
/* 0F 7D /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7d },
/* 0F 7E /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7e },
/* 0F 7F /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0f7f },
/* 0F 80 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JO_Jd },
/* 0F 81 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNO_Jd },
/* 0F 82 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JB_Jd },
/* 0F 83 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNB_Jd },
/* 0F 84 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JZ_Jd },
/* 0F 85 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNZ_Jd },
/* 0F 86 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JBE_Jd },
/* 0F 87 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNBE_Jd },
/* 0F 88 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JS_Jd },
/* 0F 89 /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNS_Jd },
/* 0F 8A /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JP_Jd },
/* 0F 8B /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNP_Jd },
/* 0F 8C /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JL_Jd },
/* 0F 8D /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNL_Jd },
/* 0F 8E /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JLE_Jd },
/* 0F 8F /dm */ { BxImmediate_BrOff32, &BX_CPU_C::JNLE_Jd },
/* 0F 90 /dm */ { 0, &BX_CPU_C::SETO_Eb },
/* 0F 91 /dm */ { 0, &BX_CPU_C::SETNO_Eb },
/* 0F 92 /dm */ { 0, &BX_CPU_C::SETB_Eb },
/* 0F 93 /dm */ { 0, &BX_CPU_C::SETNB_Eb },
/* 0F 94 /dm */ { 0, &BX_CPU_C::SETZ_Eb },
/* 0F 95 /dm */ { 0, &BX_CPU_C::SETNZ_Eb },
/* 0F 96 /dm */ { 0, &BX_CPU_C::SETBE_Eb },
/* 0F 97 /dm */ { 0, &BX_CPU_C::SETNBE_Eb },
/* 0F 98 /dm */ { 0, &BX_CPU_C::SETS_Eb },
/* 0F 99 /dm */ { 0, &BX_CPU_C::SETNS_Eb },
/* 0F 9A /dm */ { 0, &BX_CPU_C::SETP_Eb },
/* 0F 9B /dm */ { 0, &BX_CPU_C::SETNP_Eb },
/* 0F 9C /dm */ { 0, &BX_CPU_C::SETL_Eb },
/* 0F 9D /dm */ { 0, &BX_CPU_C::SETNL_Eb },
/* 0F 9E /dm */ { 0, &BX_CPU_C::SETLE_Eb },
/* 0F 9F /dm */ { 0, &BX_CPU_C::SETNLE_Eb },
/* 0F A0 /dm */ { 0, &BX_CPU_C::PUSH32_FS },
/* 0F A1 /dm */ { 0, &BX_CPU_C::POP32_FS },
/* 0F A2 /dm */ { 0, &BX_CPU_C::CPUID },
/* 0F A3 /dm */ { 0, &BX_CPU_C::BT_EdGdM },
/* 0F A4 /dm */ { BxImmediate_Ib, &BX_CPU_C::SHLD_EdGd },
/* 0F A5 /dm */ { 0, &BX_CPU_C::SHLD_EdGd },
/* 0F A6 /dm */ { 0, &BX_CPU_C::CMPXCHG_XBTS },
/* 0F A7 /dm */ { 0, &BX_CPU_C::CMPXCHG_IBTS },
/* 0F A8 /dm */ { 0, &BX_CPU_C::PUSH32_GS },
/* 0F A9 /dm */ { 0, &BX_CPU_C::POP32_GS },
/* 0F AA /dm */ { 0, &BX_CPU_C::RSM },
/* 0F AB /dm */ { BxLockable, &BX_CPU_C::BTS_EdGdM },
/* 0F AC /dm */ { BxImmediate_Ib, &BX_CPU_C::SHRD_EdGd },
/* 0F AD /dm */ { 0, &BX_CPU_C::SHRD_EdGd },
/* 0F AE /dm */ { BxGroup15, NULL, BxOpcodeInfoG15M },
/* 0F AF /dm */ { 0, &BX_CPU_C::IMUL_GdEd },
/* 0F B0 /dm */ { BxLockable, &BX_CPU_C::CMPXCHG_EbGbM },
/* 0F B1 /dm */ { BxLockable, &BX_CPU_C::CMPXCHG_EdGdM },
/* 0F B2 /dm */ { 0, &BX_CPU_C::LSS_GdMp },
/* 0F B3 /dm */ { BxLockable, &BX_CPU_C::BTR_EdGdM },
/* 0F B4 /dm */ { 0, &BX_CPU_C::LFS_GdMp },
/* 0F B5 /dm */ { 0, &BX_CPU_C::LGS_GdMp },
/* 0F B6 /dm */ { 0, &BX_CPU_C::MOVZX_GdEbM },
/* 0F B7 /dm */ { 0, &BX_CPU_C::MOVZX_GdEwM },
/* 0F B8 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fb8d },
/* 0F B9 /dm */ { 0, &BX_CPU_C::UndefinedOpcode }, // UD2 opcode
/* 0F BA /dm */ { BxGroup8, NULL, BxOpcodeInfoG8EdIbM },
/* 0F BB /dm */ { BxLockable, &BX_CPU_C::BTC_EdGdM },
/* 0F BC /dm */ { 0, &BX_CPU_C::BSF_GdEd },
/* 0F BD /dm */ { 0, &BX_CPU_C::BSR_GdEd },
/* 0F BE /dm */ { 0, &BX_CPU_C::MOVSX_GdEbM },
/* 0F BF /dm */ { 0, &BX_CPU_C::MOVSX_GdEwM },
/* 0F C0 /dm */ { BxLockable, &BX_CPU_C::XADD_EbGbM },
/* 0F C1 /dm */ { BxLockable, &BX_CPU_C::XADD_EdGdM },
/* 0F C2 /dm */ { BxImmediate_Ib | BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc2 },
/* 0F C3 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc3M },
/* 0F C4 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc4 },
/* 0F C5 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc5 },
/* 0F C6 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fc6 },
/* 0F C7 /dm */ { BxGroup9, NULL, BxOpcodeInfoG9M },
/* 0F C8 /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F C9 /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CA /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CB /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CC /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CD /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CE /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F CF /dm */ { 0, &BX_CPU_C::BSWAP_ERX },
/* 0F D0 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd0 },
/* 0F D1 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd1 },
/* 0F D2 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd2 },
/* 0F D3 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd3 },
/* 0F D4 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd4 },
/* 0F D5 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd5 },
/* 0F D6 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd6 },
/* 0F D7 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd7 },
/* 0F D8 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd8 },
/* 0F D9 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fd9 },
/* 0F DA /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fda },
/* 0F DB /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdb },
/* 0F DC /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdc },
/* 0F DD /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdd },
/* 0F DE /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fde },
/* 0F DF /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fdf },
/* 0F E0 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe0 },
/* 0F E1 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe1 },
/* 0F E2 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe2 },
/* 0F E3 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe3 },
/* 0F E4 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe4 },
/* 0F E5 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe5 },
/* 0F E6 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe6 },
/* 0F E7 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe7M },
/* 0F E8 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe8 },
/* 0F E9 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fe9 },
/* 0F EA /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fea },
/* 0F EB /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0feb },
/* 0F EC /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fec },
/* 0F ED /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fed },
/* 0F EE /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fee },
/* 0F EF /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0fef },
/* 0F F0 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff0M },
/* 0F F1 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff1 },
/* 0F F2 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff2 },
/* 0F F3 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff3 },
/* 0F F4 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff4 },
/* 0F F5 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff5 },
/* 0F F6 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff6 },
/* 0F F7 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff7 },
/* 0F F8 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff8 },
/* 0F F9 /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ff9 },
/* 0F FA /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffa },
/* 0F FB /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffb },
/* 0F FC /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffc },
/* 0F FD /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffd },
/* 0F FE /dm */ { BxPrefixSSE, NULL, BxOpcodeGroupSSE_0ffe },
/* 0F FF /dm */ { 0, &BX_CPU_C::BxError }
};
unsigned
BX_CPU_C::fetchDecode32(Bit8u *iptr, bxInstruction_c *instruction, unsigned remain)
{
// remain must be at least 1
bx_bool is_32, lock=0;
unsigned b1, b2, ilen=0, attr, os_32;
unsigned imm_mode, offset;
unsigned rm = 0, mod=0, nnn=0;
#define SSE_PREFIX_NONE 0
#define SSE_PREFIX_66 1
#define SSE_PREFIX_F2 2
#define SSE_PREFIX_F3 3
unsigned sse_prefix = SSE_PREFIX_NONE;
os_32 = is_32 =
BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].cache.u.segment.d_b;
instruction->ResolveModrm = BxResolveDummy;
instruction->initMetaInfo(/*os32*/ is_32, /*as32*/ is_32,
/*os64*/ 0, /*as64*/ 0);
offset = os_32 << 9; // * 512
fetch_b1:
b1 = *iptr++;
ilen++;
switch (b1) {
case 0x66: // OpSize
BX_INSTR_PREFIX(BX_CPU_ID, b1);
os_32 = !is_32;
offset = os_32 << 9;
if(!sse_prefix) sse_prefix = SSE_PREFIX_66;
instruction->setOs32B(os_32);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x67: // AddrSize
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setAs32B(!is_32);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0xf2: // REPNE/REPNZ
BX_INSTR_PREFIX(BX_CPU_ID, b1);
sse_prefix = SSE_PREFIX_F2;
instruction->setRepUsed(b1 & 3);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0xf3: // REP/REPE/REPZ
BX_INSTR_PREFIX(BX_CPU_ID, b1);
sse_prefix = SSE_PREFIX_F3;
instruction->setRepUsed(b1 & 3);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x2e: // CS:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_CS);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x26: // ES:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_ES);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x36: // SS:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_SS);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x3e: // DS:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_DS);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x64: // FS:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_FS);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0x65: // GS:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
instruction->setSeg(BX_SEG_REG_GS);
if (ilen < remain) {
goto fetch_b1;
}
return(0);
case 0xf0: // LOCK:
BX_INSTR_PREFIX(BX_CPU_ID, b1);
lock = 1;
if (ilen < remain) {
goto fetch_b1;
}
return(0);
default:
break;
}
// handle 2-byte escape
if (b1 == 0x0f) {
if (ilen < remain) {
ilen++;
b1 = 0x100 | *iptr++;
}
else
return(0);
}
attr = BxOpcodeInfo32R[b1+offset].Attr;
if (BxOpcodeHasModrm32[b1]) {
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
unsigned b3 = 0;
// handle 3-byte escape
if (attr & Bx3ByteOpcode) {
if (ilen < remain) {
ilen++;
b3 = *iptr++;
}
else
return(0);
}
#endif
// opcode requires modrm byte
if (ilen < remain) {
ilen++;
b2 = *iptr++;
}
else
return(0);
// Parse mod-nnn-rm and related bytes
mod = b2 & 0xc0; // leave unshifted
nnn = (b2 >> 3) & 0x7;
rm = b2 & 0x7;
// MOVs with CRx and DRx always use register ops and ignore the mod field.
if ((b1 & ~3) == 0x120)
mod = 0xc0;
instruction->modRMForm.modRMData1 = rm;
instruction->modRMForm.modRMData2 = mod;
instruction->modRMForm.modRMData3 = 0;
instruction->modRMForm.modRMData4 = nnn;
instruction->modRMForm.displ32u = 0;
if (mod == 0xc0) { // mod == 11b
instruction->assertModC0();
goto modrm_done;
}
if (instruction->as32L()) {
// 32-bit addressing modes; note that mod==11b handled above
if (rm != 4) { // no s-i-b byte
instruction->ResolveModrm = BxResolve32Rm;
if (mod == 0x00) { // mod == 00b
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(BX_SEG_REG_DS);
if (rm == 5) {
instruction->ResolveModrm = BxResolve32Disp;
get_32bit_displ:
if ((ilen+3) < remain) {
instruction->modRMForm.displ32u = FetchDWORD(iptr);
iptr += 4;
ilen += 4;
goto modrm_done;
}
else return(0);
}
// mod==00b, rm!=4, rm!=5
goto modrm_done;
}
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(sreg_mod01or10_rm32[rm]);
if (mod == 0x40) { // mod == 01b
get_8bit_displ:
if (ilen < remain) {
// 8 sign extended to 32
instruction->modRMForm.displ32u = (Bit8s) *iptr++;
ilen++;
goto modrm_done;
}
else return(0);
}
// (mod == 0x80) mod == 10b
goto get_32bit_displ;
}
else { // mod!=11b, rm==4, s-i-b byte follows
unsigned sib, base, index, scale;
if (ilen < remain) {
sib = *iptr++;
ilen++;
}
else {
return(0);
}
base = sib & 0x7; sib >>= 3;
index = sib & 0x7; sib >>= 3;
scale = sib;
instruction->modRMForm.modRMData3 |= (base);
instruction->modRMForm.modRMData2 |= (index);
instruction->modRMForm.modRMData2 |= (scale<<4);
if (index == 4)
instruction->ResolveModrm = BxResolve32Base;
else
instruction->ResolveModrm = BxResolve32BaseIndex;
if (mod == 0x00) { // mod==00b, rm==4
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(sreg_mod0_base32[base]);
if (base == 0x05) {
if (index == 4)
instruction->ResolveModrm = BxResolve32Disp;
else
instruction->ResolveModrm = BxResolve32DispIndex;
goto get_32bit_displ;
}
// mod==00b, rm==4, base!=5
goto modrm_done;
}
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(sreg_mod1or2_base32[base]);
if (mod == 0x40) // mod==01b, rm==4
goto get_8bit_displ;
// (mod == 0x80), mod==10b, rm==4
goto get_32bit_displ;
}
}
else {
// 16-bit addressing modes, mod==11b handled above
if (mod == 0x00) { // mod == 00b
instruction->ResolveModrm = Resolve16Mod0[rm];
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(sreg_mod00_rm16[rm]);
if (rm == 0x06) {
get_16bit_displ:
if ((ilen+1) < remain) {
instruction->modRMForm.displ16u = FetchWORD(iptr);
iptr += 2;
ilen += 2;
goto modrm_done;
}
else return(0);
}
goto modrm_done;
}
instruction->ResolveModrm = Resolve16Mod1or2[rm];
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(sreg_mod01or10_rm16[rm]);
if (mod == 0x40) { // mod == 01b
if (ilen < remain) {
// 8 sign extended to 16
instruction->modRMForm.displ16u = (Bit8s) *iptr++;
ilen++;
goto modrm_done;
}
else return(0);
}
// (mod == 0x80) mod == 10b
goto get_16bit_displ;
}
modrm_done:
// Resolve ExecutePtr and additional opcode Attr
const BxOpcodeInfo_t *OpcodeInfoPtr;
if (mod == 0xc0) {
OpcodeInfoPtr = &(BxOpcodeInfo32R[b1+offset]);
attr = BxOpcodeInfo32R[b1+offset].Attr;
}
else {
OpcodeInfoPtr = &(BxOpcodeInfo32M[b1+offset]);
attr = BxOpcodeInfo32M[b1+offset].Attr;
}
while(attr & BxGroupX)
{
Bit32u Group = attr & BxGroupX;
attr &= ~BxGroupX;
switch(Group) {
case BxGroupN:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
break;
case BxRMGroup:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[rm]);
break;
#if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
case Bx3ByteOpTable:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3 >> 4]);
break;
case Bx3ByteOpIndex:
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3 & 15]);
break;
#endif
case BxPrefixSSE:
/* For SSE opcodes, look into another 4 entries table
with the opcode prefixes (NONE, 0x66, 0xF2, 0xF3) */
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix]);
break;
#if BX_SUPPORT_FPU
case BxFPGroup:
if (mod != 0xc0) // mod != 11b
OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
else {
int index = (b1-0xD8)*64 + (0x3f & b2);
OpcodeInfoPtr = &(BxOpcodeInfo_FloatingPoint[index]);
}
break;
#endif
default:
BX_PANIC(("fetchdecode: Unknown opcode group"));
}
/* get additional attributes from group table */
attr |= OpcodeInfoPtr->Attr;
}
instruction->execute = OpcodeInfoPtr->ExecutePtr;
}
else {
// Opcode does not require a MODRM byte.
// Note that a 2-byte opcode (0F XX) will jump to before
// the if() above after fetching the 2nd byte, so this path is
// taken in all cases if a modrm byte is NOT required.
instruction->execute = BxOpcodeInfo32R[b1+offset].ExecutePtr;
instruction->IxForm.opcodeReg = b1 & 7;
}
if (lock) { // lock prefix invalid opcode
// lock prefix not allowed or destination operand is not memory
// mod == 0xc0 can't be BxLockable in fetchdecode tables
if (/*(mod == 0xc0) ||*/ !(attr & BxLockable)) {
BX_INFO(("LOCK prefix unallowed (op1=0x%x, attr=0x%x, mod=0x%x, nnn=%u)", b1, attr, mod, nnn));
UndefinedOpcode(instruction);
}
}
imm_mode = attr & BxImmediate;
if (imm_mode) {
switch (imm_mode) {
case BxImmediate_Ib:
if (ilen < remain) {
instruction->modRMForm.Ib = *iptr;
ilen++;
}
else {
return(0);
}
break;
case BxImmediate_Ib_SE: // Sign extend to OS size
if (ilen < remain) {
Bit8s temp8s = *iptr;
if (instruction->os32L())
instruction->modRMForm.Id = (Bit32s) temp8s;
else
instruction->modRMForm.Iw = (Bit16s) temp8s;
ilen++;
}
else {
return(0);
}
break;
case BxImmediate_Iv: // same as BxImmediate_BrOff32
case BxImmediate_IvIw: // CALL_Ap
if (instruction->os32L()) {
if ((ilen+3) < remain) {
instruction->modRMForm.Id = FetchDWORD(iptr);
iptr += 4;
ilen += 4;
}
else return(0);
}
else {
if ((ilen+1) < remain) {
instruction->modRMForm.Iw = FetchWORD(iptr);
iptr += 2;
ilen += 2;
}
else return(0);
}
if (imm_mode != BxImmediate_IvIw)
break;
// Get Iw for BxImmediate_IvIw
if ((ilen+1) < remain) {
instruction->IxIxForm.Iw2 = FetchWORD(iptr);
ilen += 2;
}
else {
return(0);
}
break;
case BxImmediate_O:
// For instructions which embed the address in the opcode.
if (instruction->as32L()) {
// fetch 32bit address into Id
if ((ilen+3) < remain) {
instruction->modRMForm.Id = FetchDWORD(iptr);
ilen += 4;
}
else return(0);
}
else {
// fetch 16bit address into Id
if ((ilen+1) < remain) {
instruction->modRMForm.Id = (Bit32u) FetchWORD(iptr);
ilen += 2;
}
else return(0);
}
break;
case BxImmediate_Iw:
case BxImmediate_IwIb:
if ((ilen+1) < remain) {
instruction->modRMForm.Iw = FetchWORD(iptr);
iptr += 2;
ilen += 2;
}
else {
return(0);
}
if (imm_mode == BxImmediate_Iw) break;
if (ilen < remain) {
instruction->IxIxForm.Ib2 = *iptr;
ilen++;
}
else {
return(0);
}
break;
case BxImmediate_BrOff8:
if (ilen < remain) {
Bit8s temp8s = *iptr;
instruction->modRMForm.Id = temp8s;
ilen++;
}
else {
return(0);
}
break;
case BxImmediate_BrOff16:
if ((ilen+1) < remain) {
instruction->modRMForm.Id = (Bit16s) FetchWORD(iptr);
ilen += 2;
}
else {
return(0);
}
break;
case BxImmediate_BrOff32:
if ((ilen+3) < remain) {
instruction->modRMForm.Id = (Bit32s) FetchDWORD(iptr);
ilen += 4;
}
else {
return(0);
}
break;
default:
BX_INFO(("b1 was %x", b1));
BX_PANIC(("fetchdecode: imm_mode = %u", imm_mode));
}
}
#if BX_SUPPORT_3DNOW
if(b1 == 0x10f)
instruction->execute = Bx3DNowOpcodeInfo[instruction->modRMForm.Ib].ExecutePtr;
#endif
if (BX_NULL_SEG_REG(instruction->seg()))
instruction->setSeg(BX_SEG_REG_DS);
instruction->setB1(b1);
instruction->setILen(ilen);
return(1);
}
void BX_CPU_C::BxError(bxInstruction_c *i)
{
BX_DEBUG(("BxError: instruction with opcode=0x%x", i->b1()));
BX_DEBUG(("mod was %x, nnn was %u, rm was %u", i->mod(), i->nnn(), i->rm()));
BX_DEBUG(("WARNING: Encountered an unknown instruction (signalling illegal instruction)"));
BX_CPU_THIS_PTR UndefinedOpcode(i);
}