/*
 *  Copyright (C) 2008 Sourcefire, Inc.
 *
 *  Authors: aCaB <acab@clamav.net>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA 02110-1301, USA.
 */

#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif

#include <stdio.h>
#include <string.h>
#include <assert.h>

#include "others.h"

#include "disasmpriv.h"
#include "disasm.h"

enum ADDRS {
  ADDR_REG_EAX,
  ADDR_REG_ECX,
  ADDR_REG_EDX,
  ADDR_REG_EBX,
  ADDR_REG_ESP,
  ADDR_REG_EBP,
  ADDR_REG_ESI,
  ADDR_REG_EDI,
  ADDR_REG_ES,
  ADDR_REG_CS,
  ADDR_REG_SS,
  ADDR_REG_DS,
  ADDR_REG_FS,
  ADDR_REG_GS,
  ADDR_MRM_GEN,
  ADDR_OFFSET,
  ADDR_MRM_GEN_EG,
  ADDR_MRM_GEN_GE,
  ADDR_MRM_GEN_GM,
  ADDR_MRM_GEN_ES,
  ADDR_MRM_GEN_SE,
  ADDR_MRM_EXTRA_1A,
  ADDR_MRM_EXTRA_1A_M,
  ADDR_MRM_GEN_RC,
  ADDR_MRM_GEN_RD,
  ADDR_MRM_GEN_CR,
  ADDR_MRM_GEN_DR,
  ADDR_IMMED,
  ADDR_RELJ,
  ADDR_IMPLICIT,
  ADDR_NOADDR
};

enum ASIZE {
  SIZE_BYTE,
  SIZE_BYTEH,
  SIZE_WORD,
  SIZE_DWORD,
  SIZE_QWORD,
  SIZE_WD,
  SIZE_DF,
  SIZE_NOSIZE
};

static const uint8_t sizemap[SIZE_NOSIZE+1][2] = {
  {1,1},       /* SIZE_BYTE */
  {255,255},   /* SIZE_BYTEH */
  {2,2},       /* SIZE_WORD */
  {4,4},       /* SIZE_DWORD */
  {255,255},   /* SIZE_QWORD */
  {4,2},       /* SIZE_WD */
  {6,4},       /* SIZE_DF */
  {255,255}    /* SIZE_NOSIZE */
};

static const uint8_t regmap[SIZE_DWORD+1][ADDR_REG_GS+1] = {
  /* SIZE_BYTE */
  {REG_AL, REG_CL, REG_DL, REG_BL, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID}, 
  /* SIZE_BYTEH */
  {REG_AH, REG_CH, REG_DH, REG_BH, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID}, 
  /* SIZE_WORD */
  {REG_AX, REG_CX, REG_DX, REG_BX, REG_SP, REG_BP, REG_SI, REG_DI, REG_ES, REG_CS, REG_SS, REG_DS, REG_FS, REG_GS},
  /* SIZE_DWORD */
  {REG_EAX, REG_ECX, REG_EDX, REG_EBX, REG_ESP, REG_EBP, REG_ESI, REG_EDI, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID}
};

static const uint8_t mrm_regmap[3][8] = {
  /* SIZEB */
  {REG_AL, REG_CL, REG_DL, REG_BL, REG_AH, REG_CH, REG_DH, REG_BH},
  /* SIZEW */
  {REG_AX, REG_CX, REG_DX, REG_BX, REG_SP, REG_BP, REG_SI, REG_DI},
  /* SIZED */
  {REG_EAX, REG_ECX, REG_EDX, REG_EBX, REG_ESP, REG_EBP, REG_ESI, REG_EDI}
};

static const uint8_t mrm_sregmap[3][8] = {
  /* SIZEB */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID},
  /* SIZEW */
  {REG_ES, REG_CS, REG_SS, REG_DS, REG_FS, REG_GS, REG_INVALID, REG_INVALID},
  /* SIZED */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID}
};

static const uint8_t mrm_cregmap[3][8] = {
  /* SIZEB */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID},
  /* SIZEW */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID},
  /* SIZED */
  {REG_CR0, REG_INVALID, REG_CR2, REG_CR3, REG_CR4, REG_INVALID, REG_INVALID, REG_INVALID}
};

static const uint8_t mrm_dregmap[3][8] = {
  /* SIZEB */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID},
  /* SIZEW */
  {REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID, REG_INVALID},
  /* SIZED */
  {REG_DR0, REG_DR1, REG_DR2, REG_DR3, REG_INVALID, REG_INVALID, REG_DR6, REG_DR7}
};

static const struct {
  enum X86REGS r1;
  enum X86REGS r2;
} mrm_regmapw[8] = {
  {REG_BX, REG_SI}, {REG_BX, REG_DI}, {REG_BP, REG_SI}, {REG_BP, REG_DI}, {REG_SI, REG_INVALID}, {REG_DI, REG_INVALID}, {REG_BP, REG_INVALID}, {REG_BX, REG_INVALID}
};  

static const struct {
  enum X86OPS op;
  enum DIS_SIZE size;
} x87_mrm[8][8] = {
  /* D8 */
  {{OP_FADD,SIZED},{OP_FMUL,SIZED},{OP_FCOM,SIZED},{OP_FCOMP,SIZED},{OP_FSUB,SIZED},{OP_FSUBR,SIZED},{OP_FDIV,SIZED},{OP_FDIVR,SIZED}},
  /* D9 */
  {{OP_FLD,SIZED},{OP_INVALID,SIZED},{OP_FST,SIZED},{OP_FSTP,SIZED},{OP_FLDENV,SIZEPTR},{OP_FLDCW,SIZEW},{OP_FSTENV,SIZEPTR},{OP_FSTCW,SIZEW}},
  /* DA */
  {{OP_FIADD,SIZED},{OP_FIMUL,SIZED},{OP_FICOM,SIZED},{OP_FICOMP,SIZED},{OP_FISUB,SIZED},{OP_FISUBR,SIZED},{OP_FIDIV,SIZED},{OP_FIDIVR,SIZED}},
  /* DB */
  {{OP_FILD,SIZED},{OP_FISTTP,SIZED},{OP_FIST,SIZED},{OP_FISTP,SIZED},{OP_INVALID,SIZED},{OP_FLD,SIZET},{OP_INVALID,SIZED},{OP_FSTP,SIZET} },
  /* DC */
  {{OP_FADD,SIZEQ},{OP_FMUL,SIZEQ},{OP_FCOM,SIZEQ},{OP_FCOMP,SIZEQ},{OP_FSUB,SIZEQ},{OP_FSUBR,SIZEQ},{OP_FDIV,SIZEQ},{OP_FDIVR,SIZEQ}},
  /* DD */
  {{OP_FLD,SIZEQ},{OP_FISTTP,SIZEQ},{OP_FST,SIZEQ},{OP_FSTP,SIZEQ},{OP_FRSTOR,SIZEPTR},{OP_INVALID,SIZED},{OP_FSAVE,SIZEPTR},{OP_FSTSW,SIZEW}},
  /* DE */
  {{OP_FIADD,SIZEW},{OP_FIMUL,SIZEW},{OP_FICOM,SIZEW},{OP_FICOMP,SIZEW},{OP_FISUB,SIZEW},{OP_FISUBR,SIZEW},{OP_FIDIV,SIZEW},{OP_FIDIVR,SIZEW}},
  /* DF */
  {{OP_FILD,SIZEW},{OP_FISTTP,SIZEW},{OP_FIST,SIZEW},{OP_FISTP,SIZEW},{OP_FBLD,SIZET},{OP_FILD,SIZEQ},{OP_FBSTP,SIZET},{OP_FISTP,SIZEQ}}
};

static const struct {
  enum X86OPS op;
  enum { X87_NONE, X87_ONE, X87_S, X87_R } args;
} x87_st[8][64] = {
  /* D8 */
  {
    {OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},{OP_FADD,X87_S},
    {OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},{OP_FMUL,X87_S},
    {OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},{OP_FCOM,X87_S},
    {OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},{OP_FCOMP,X87_S},
    {OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},{OP_FSUB,X87_S},
    {OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},{OP_FSUBR,X87_S},
    {OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},{OP_FDIV,X87_S},
    {OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S},{OP_FDIVR,X87_S}
  },
  
  /* D9 */
  {
    {OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},{OP_FLD,X87_S},
    {OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},{OP_FXCH,X87_S},
    {OP_FNOP,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FCHS,X87_NONE},{OP_FABS,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_FTST,X87_NONE},{OP_FXAM,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FLD1,X87_NONE},{OP_FLDL2T,X87_NONE},{OP_FLDL2E,X87_NONE},{OP_FLDPI,X87_NONE},{OP_FLDLG2,X87_NONE},{OP_FLDLN2,X87_NONE},{OP_FLDZ,X87_S},{OP_INVALID,X87_NONE},
    {OP_F2XM1,X87_NONE},{OP_FYL2X,X87_NONE},{OP_FPTAN,X87_NONE},{OP_FPATAN,X87_NONE},{OP_FXTRACT,X87_NONE},{OP_FPREM1,X87_NONE},{OP_FDECSTP,X87_NONE},{OP_FINCSTP,X87_NONE},
    {OP_FPREM,X87_NONE},{OP_FYL2XP1,X87_NONE},{OP_FSQRT,X87_NONE},{OP_FSINCOS,X87_NONE},{OP_FRNDINT,X87_NONE},{OP_FSCALE,X87_NONE},{OP_FSIN,X87_NONE},{OP_FCOS,X87_NONE}
  },
  
  /* DA */
  {
    {OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},{OP_FCMOVB,X87_S},
    {OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},{OP_FCMOVE,X87_S},
    {OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},{OP_FCMOVBE,X87_S},
    {OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},{OP_FCMOVU,X87_S},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_FUCOMPP,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE}
  },
  
  /* DB */
  {
    {OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},{OP_FCMOVNB,X87_S},
    {OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},{OP_FCMOVNE,X87_S},
    {OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},{OP_FCMOVNBE,X87_S},
    {OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},{OP_FCMOVNU,X87_S},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_FCLEX,X87_NONE},{OP_FINIT,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},{OP_FUCOMI,X87_S},
    {OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},{OP_FCOMI,X87_S},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE}
  },
  
  /* DC */
  {
    {OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},{OP_FADD,X87_R},
    {OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},{OP_FMUL,X87_R},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},{OP_FSUBR,X87_R},
    {OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},{OP_FSUB,X87_R},
    {OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},{OP_FDIVR,X87_R},
    {OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R},{OP_FDIV,X87_R}
  },
  
  /* DD */
  {
    {OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},{OP_FFREE,X87_ONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},{OP_FST,X87_ONE},
    {OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},{OP_FSTP,X87_ONE},
    {OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},{OP_FUCOM,X87_R},
    {OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},{OP_FUCOMP,X87_R},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE}
  },
  
  /* DE */
  {
    {OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},{OP_FADDP,X87_R},
    {OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},{OP_FMULP,X87_R},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_FCOMPP,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},{OP_FSUBRP,X87_R},
    {OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},{OP_FSUBP,X87_R},
    {OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},{OP_FDIVRP,X87_R},
    {OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R},{OP_FDIVP,X87_R}
  },

  /* DF */
  {
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_INVALID,X87_NONE},{OP_FSTSW,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},
    {OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},{OP_FUCOMIP,X87_S},
    {OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},{OP_FCOMIP,X87_S},
    {OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE},{OP_INVALID,X87_NONE}
  }
};


static const char *mnemonic[] = {
  "Invalid opcode",
  "aaa",
  "aam",
  "aad",
  "aas",
  "add",
  "adc",
  "and",
  "arpl",
  "bound",
  "bsf",
  "bsr",
  "bswap",
  "bt",
  "btc",
  "btr",
  "bts",
  "call",
  "cdq",
  "cwd",
  "cwde",
  "cbw",
  "clc",
  "cld",
  "cli",
  "clts",
  "cmc",
  "cmovo",
  "cmovno",
  "cmovc",
  "cmovnc",
  "cmovz",
  "cmovnz",
  "cmovbe",
  "cmova",
  "cmovs",
  "cmovns",
  "cmovp",
  "cmovnp",
  "cmovl",
  "cmovge",
  "cmovle",
  "cmovg",
  "cmp",
  "cmpsd",
  "cmpsw",
  "cmpsb",
  "cmpxchg",
  "cmpxchg8b",
  "cpuid",
  "daa",
  "das",
  "dec",
  "div",
  "enter",
  "fwait",
  "hlt",
  "idiv",
  "imul",
  "inc",
  "in",
  "insd",
  "insw",
  "insb",
  "int",
  "int3",
  "into",
  "invd",
  "invlpg",
  "iret",
  "jo",
  "jno",
  "jc",
  "jnc",
  "jz",
  "jnz",
  "jbe",
  "ja",
  "js",
  "jns",
  "jp",
  "jnp",
  "jl",
  "jge",
  "jle",
  "jg",
  "jmp",
  "lahf",
  "lar",
  "lds",
  "les",
  "lfs",
  "lgs",
  "lea",
  "leave",
  "lgdt",
  "lidt",
  "lldt",
  "lock",
  "lodsd",
  "lodsw",
  "lodsb",
  "loop",
  "loope",
  "loopne",
  "jecxz",
  "lsl",
  "lss",
  "ltr",
  "mov",
  "movsd",
  "movsw",
  "movsb",
  "movsx",
  "movzx",
  "mul",
  "neg",
  "nop",
  "not",
  "or",
  "out",
  "outsd",
  "outsw",
  "outsb",
  "push",
  "pushad",
  "pusha",
  "pushfd",
  "pushf",
  "pop",
  "popad",
  "popfd",
  "popf",
  "rcl",
  "rcr",
  "rdmsr",
  "rdpmc",
  "rdtsc",
  "repe",
  "repne",
  "retf",
  "retn",
  "rol",
  "ror",
  "rsm",
  "sahf",
  "sar",
  "sbb",
  "scasd",
  "scasw",
  "scasb",
  "seto",
  "setno",
  "setc",
  "setnc",
  "setz",
  "setnz",
  "setbe",
  "seta",
  "sets",
  "setns",
  "setp",
  "setnp",
  "setl",
  "setge",
  "setle",
  "setg",
  "sgdt",
  "sidt",
  "shl",
  "shld",
  "shr",
  "shrd",
  "sldt",
  "stosd",
  "stosw",
  "stosb",
  "str",
  "stc",
  "std",
  "sti",
  "sub",
  "syscall",
  "sysenter",
  "sysexit",
  "sysret",
  "test",
  "ud2",
  "verr",
  "verrw",
  "wbinvd",
  "wrmsr",
  "xadd",
  "xchg",
  "xlat",
  "xor",
  "Operand Size",
  "Address Size",
  "Segment Override",
  "2byte escape",
  "FPU escape",

  "f2xm1",
  "fabs",
  "fadd",
  "faddp",
  "fbld",
  "fbstp",
  "fchs",
  "fclex",
  "fcmovb",
  "fcmovbe",
  "fcmove",
  "fcmovnb",
  "fcmovnbe",
  "fcmovne",
  "fcmovnu",
  "fcmovu",
  "fcom",
  "fcomi",
  "fcomip",
  "fcomp",
  "fcompp",
  "fcos",
  "fdecstp",
  "fdiv",
  "fdivp",
  "fdivr",
  "fdivrp",
  "ffree",
  "fiadd",
  "ficom",
  "ficomp",
  "fidiv",
  "fidivr",
  "fild",
  "fimul",
  "fincstp",
  "finit",
  "fist",
  "fistp",
  "fisttp",
  "fisub",
  "fisubr",
  "fld",
  "fld1",
  "fldcw",
  "fldenv",
  "fldl2e",
  "fldl2t",
  "fldlg2",
  "fldln2",
  "fldpi",
  "fldz",
  "fmul",
  "fmulp",
  "fnop",
  "fpatan",
  "fprem",
  "fprem1",
  "fptan",
  "frndint",
  "frstor",
  "fscale",
  "fsin",
  "fsincos",
  "fsqrt",
  "fsave",
  "fst",
  "fstcw",
  "fstenv",
  "fstp",
  "fstsw",
  "fsub",
  "fsubp",
  "fsubr",
  "fsubrp",
  "ftst",
  "fucom",
  "fucomi",
  "fucomip",
  "fucomp",
  "fucompp",
  "fxam",
  "fxch",
  "fxtract",
  "fyl2x",
  "fyl2xp1"
};

struct OPCODES {
  enum ADDRS dmethod;
  enum ASIZE dsize;
  enum ADDRS smethod;
  enum ASIZE ssize;
  enum X86OPS op;
};

static const struct {
  enum X86OPS op;
  enum { ADDSZ_ZERO, ADDSZ_ONE } addsz;
} extra_1a[][8] = {
  /* 8f - pop */
  {{OP_POP,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}},
  /* 80-83 - GRP1 */
  {{OP_ADD,0}, {OP_OR,0}, {OP_ADC,0}, {OP_SBB,0}, {OP_AND,0}, {OP_SUB,0}, {OP_XOR,0}, {OP_CMP,0}},
  /* c0-c1, d0-d3 - GRP2 */
  {{OP_ROL,0}, {OP_ROR,0}, {OP_RCL,0}, {OP_RCR,0}, {OP_SHL,0}, {OP_SHR,0}, {OP_INVALID,0}, {OP_SAR,0}},
  /* fe - GRP4 */
  {{OP_INC,0}, {OP_DEC,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}},
  /* ff - GRP5 */
  {{OP_INC,0}, {OP_DEC,0}, {OP_CALL,0}, {OP_CALL,1}, {OP_JMP,0}, {OP_JMP,1}, {OP_PUSH,0}, {OP_INVALID,0}},
  /* c6-c7 GRP11 */
  {{OP_MOV,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}},
  /* f6-f7 - GRP3 */
  {{OP_TEST,0}, {OP_INVALID,0}, {OP_NOT,0}, {OP_NEG,0}, {OP_MUL,0}, {OP_IMUL,0}, {OP_DIV,0}, {OP_IDIV,0}},
  /* 0f00 - GRP6 */
  {{OP_SLDT,0}, {OP_STR,0}, {OP_LLDT,0}, {OP_LTR,0}, {OP_VERR,0}, {OP_VERRW,0}, {OP_INVALID,0}, {OP_INVALID,0}},
  /* 0f90 - SETO */
  {{OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}, {OP_SETO,0}},
  /* 0f91 - SETNO */
  {{OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}},
  /* 0f92 - SETC */
  {{OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}, {OP_SETC,0}},
  /* 0f93 - SETNC */
  {{OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}, {OP_SETNC,0}},
  /* 0f94 - SETZ */
  {{OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}, {OP_SETZ,0}},
  /* 0f95 - SETNZ */
  {{OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}, {OP_SETNO,0}},
  /* 0f96 - SETNB */
  {{OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}, {OP_SETBE,0}},
  /* 0f97 - SETNA */
  {{OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}, {OP_SETA,0}},
  /* 0f98 - SETS */
  {{OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}, {OP_SETS,0}},
  /* 0f98 - SETNS */
  {{OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}, {OP_SETNS,0}},
  /* 0f9a - SETP */
  {{OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}, {OP_SETP,0}},
  /* 0f9b - SETNP */
  {{OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}, {OP_SETNP,0}},
  /* 0f9c - SETL */
  {{OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}, {OP_SETL,0}},
  /* 0f9d - SETGE */
  {{OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}, {OP_SETGE,0}},
  /* 0f9e - SETLE */
  {{OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}, {OP_SETLE,0}},
  /* 0f9f - SETG */
  {{OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}, {OP_SETG,0}},
  /* 0fba - GRP8 */
  {{OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_BT,0}, {OP_BTS,0}, {OP_BTR,0}, {OP_BTC,0}},
  /* 0fc7 - GRP9 */
  {{OP_INVALID,0}, {OP_CMPXCHG8B,2}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}},
  /* 0f01 - GRP7 */
  {{OP_SGDT,3}, {OP_SIDT,3}, {OP_LGDT,3}, {OP_LIDT,3}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVALID,0}, {OP_INVLPG,0}},
};

#define PUSHOP(a,b,c,d,e,f) {b,c,d,e,f}
#define OP_UNSUP OP_INVALID
static const struct OPCODES x86ops[2][256] = {{
  PUSHOP(0x00, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_ADD),
  PUSHOP(0x01, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_ADD),
  PUSHOP(0x02, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_ADD),
  PUSHOP(0x03, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_ADD),
  PUSHOP(0x04, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_ADD),
  PUSHOP(0x05, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_ADD),
  PUSHOP(0x06, ADDR_REG_ES, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x07, ADDR_REG_ES, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x08, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_OR),
  PUSHOP(0x09, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_OR),
  PUSHOP(0x0a, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_OR),
  PUSHOP(0x0b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_OR),
  PUSHOP(0x0c, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_OR),
  PUSHOP(0x0d, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_OR),
  PUSHOP(0x0e, ADDR_REG_CS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x0f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_2BYTE),

  PUSHOP(0x10, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_ADC),
  PUSHOP(0x11, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_ADC),
  PUSHOP(0x12, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_ADC),
  PUSHOP(0x13, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_ADC),
  PUSHOP(0x14, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_ADC),
  PUSHOP(0x15, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_ADC),
  PUSHOP(0x16, ADDR_REG_SS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x17, ADDR_REG_SS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x18, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_SBB),
  PUSHOP(0x19, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_SBB),
  PUSHOP(0x1a, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_SBB),
  PUSHOP(0x1b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_SBB),
  PUSHOP(0x1c, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_SBB),
  PUSHOP(0x1d, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_SBB),
  PUSHOP(0x1e, ADDR_REG_DS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x1f, ADDR_REG_DS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),

  PUSHOP(0x20, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_AND),
  PUSHOP(0x21, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_AND),
  PUSHOP(0x22, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_AND),
  PUSHOP(0x23, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_AND),
  PUSHOP(0x24, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_AND),
  PUSHOP(0x25, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_AND),
  PUSHOP(0x26, ADDR_REG_ES, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x27, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_DAA),
  PUSHOP(0x28, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_SUB),
  PUSHOP(0x29, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_SUB),
  PUSHOP(0x2a, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_SUB),
  PUSHOP(0x2b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_SUB),
  PUSHOP(0x2c, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_SUB),
  PUSHOP(0x2d, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_SUB),
  PUSHOP(0x2e, ADDR_REG_CS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x2f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_DAS),

  PUSHOP(0x30, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_XOR),
  PUSHOP(0x31, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_XOR),
  PUSHOP(0x32, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_XOR),
  PUSHOP(0x33, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_XOR),
  PUSHOP(0x34, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_XOR),
  PUSHOP(0x35, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_XOR),
  PUSHOP(0x36, ADDR_REG_SS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x37, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_AAA),
  PUSHOP(0x38, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_CMP),
  PUSHOP(0x39, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMP),
  PUSHOP(0x3a, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_CMP),
  PUSHOP(0x3b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMP),
  PUSHOP(0x3c, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_CMP),
  PUSHOP(0x3d, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_CMP),
  PUSHOP(0x3e, ADDR_REG_DS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x3f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_AAS),

  PUSHOP(0x40, ADDR_REG_EAX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x41, ADDR_REG_ECX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x42, ADDR_REG_EDX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x43, ADDR_REG_EBX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x44, ADDR_REG_ESP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x45, ADDR_REG_EBP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x46, ADDR_REG_ESI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x47, ADDR_REG_EDI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INC),
  PUSHOP(0x48, ADDR_REG_EAX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x49, ADDR_REG_ECX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4a, ADDR_REG_EDX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4b, ADDR_REG_EBX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4c, ADDR_REG_ESP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4d, ADDR_REG_EBP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4e, ADDR_REG_ESI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),
  PUSHOP(0x4f, ADDR_REG_EDI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_DEC),

  PUSHOP(0x50, ADDR_REG_EAX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x51, ADDR_REG_ECX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x52, ADDR_REG_EDX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x53, ADDR_REG_EBX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x54, ADDR_REG_ESP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x55, ADDR_REG_EBP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x56, ADDR_REG_ESI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x57, ADDR_REG_EDI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x58, ADDR_REG_EAX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x59, ADDR_REG_ECX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5a, ADDR_REG_EDX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5b, ADDR_REG_EBX, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5c, ADDR_REG_ESP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5d, ADDR_REG_EBP, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5e, ADDR_REG_ESI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0x5f, ADDR_REG_EDI, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),

  PUSHOP(0x60, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSHAD),
  PUSHOP(0x61, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POPAD),
  PUSHOP(0x62, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BOUND),
  PUSHOP(0x63, ADDR_MRM_GEN_EG, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_ARPL),
  PUSHOP(0x64, ADDR_REG_FS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x65, ADDR_REG_GS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_SEGMENT),
  PUSHOP(0x66, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_OPSIZE),
  PUSHOP(0x67, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_ADDRSIZE),
  PUSHOP(0x68, ADDR_IMMED, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x69, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_IMUL),
  PUSHOP(0x6a, ADDR_IMMED, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0x6b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_IMMED, SIZE_BYTE, OP_IMUL),
  PUSHOP(0x6c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INSB),
  PUSHOP(0x6d, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_INSD),
  PUSHOP(0x6e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_OUTSB),
  PUSHOP(0x6f, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_OUTSD),

  PUSHOP(0x70, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JO),
  PUSHOP(0x71, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JNO),
  PUSHOP(0x72, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JC),
  PUSHOP(0x73, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JNC),
  PUSHOP(0x74, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JZ),
  PUSHOP(0x75, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JNZ),
  PUSHOP(0x76, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JBE),
  PUSHOP(0x77, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JA),
  PUSHOP(0x78, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JS),
  PUSHOP(0x79, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JNS),
  PUSHOP(0x7a, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JP),
  PUSHOP(0x7b, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JNP),
  PUSHOP(0x7c, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JL),
  PUSHOP(0x7d, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JGE),
  PUSHOP(0x7e, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JLE),
  PUSHOP(0x7f, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JG),

  PUSHOP(0x80, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, 1),
  PUSHOP(0x81, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_WD, 1),
  PUSHOP(0x82, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, 1),
  PUSHOP(0x83, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_BYTE, 1),
  PUSHOP(0x84, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_TEST),
  PUSHOP(0x85, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_TEST),
  PUSHOP(0x86, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_XCHG),
  PUSHOP(0x87, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_XCHG),
  PUSHOP(0x88, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x89, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x8a, ADDR_MRM_GEN_GE, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x8b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x8c, ADDR_MRM_GEN_ES, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x8d, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LEA),
  PUSHOP(0x8e, ADDR_MRM_GEN_SE, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x8f, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, 0),

  PUSHOP(0x90, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_NOP),
  PUSHOP(0x91, ADDR_REG_ECX, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x92, ADDR_REG_EDX, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x93, ADDR_REG_EBX, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x94, ADDR_REG_ESP, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x95, ADDR_REG_EBP, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x96, ADDR_REG_ESI, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x97, ADDR_REG_EDI, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_XCHG),
  PUSHOP(0x98, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CWDE),
  PUSHOP(0x99, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CDQ),
  PUSHOP(0x9a, ADDR_IMMED, SIZE_DF, ADDR_NOADDR, SIZE_NOSIZE, OP_CALL),
  PUSHOP(0x9b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FWAIT),
  PUSHOP(0x9c, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSHFD),
  PUSHOP(0x9d, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_POPFD),
  PUSHOP(0x9e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SAHF),
  PUSHOP(0x9f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_LAHF),

  PUSHOP(0xa0, ADDR_REG_EAX, SIZE_BYTE, ADDR_OFFSET, SIZE_BYTE, OP_MOV),
  PUSHOP(0xa1, ADDR_REG_EAX, SIZE_WD, ADDR_OFFSET, SIZE_WD, OP_MOV),
  PUSHOP(0xa2, ADDR_OFFSET, SIZE_BYTE, ADDR_REG_EAX, SIZE_BYTE, OP_MOV),
  PUSHOP(0xa3, ADDR_OFFSET, SIZE_WD, ADDR_REG_EAX, SIZE_WD, OP_MOV),
  PUSHOP(0xa4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVSB),
  PUSHOP(0xa5, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVSD),
  PUSHOP(0xa6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CMPSB),
  PUSHOP(0xa7, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMPSD),
  PUSHOP(0xa8, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_TEST),
  PUSHOP(0xa9, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_TEST),
  PUSHOP(0xaa, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_STOSB),
  PUSHOP(0xab, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_STOSD),
  PUSHOP(0xac, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_LODSB),
  PUSHOP(0xad, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LODSD),
  PUSHOP(0xae, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SCASB),
  PUSHOP(0xaf, ADDR_NOADDR, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_SCASD),

  PUSHOP(0xb0, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb1, ADDR_REG_ECX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb2, ADDR_REG_EDX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb3, ADDR_REG_EBX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb4, ADDR_REG_EAX, SIZE_BYTEH, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb5, ADDR_REG_ECX, SIZE_BYTEH, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb6, ADDR_REG_EDX, SIZE_BYTEH, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb7, ADDR_REG_EBX, SIZE_BYTEH, ADDR_IMMED, SIZE_BYTE, OP_MOV),
  PUSHOP(0xb8, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xb9, ADDR_REG_ECX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xba, ADDR_REG_EDX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xbb, ADDR_REG_EBX, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xbc, ADDR_REG_ESP, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xbd, ADDR_REG_EBP, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xbe, ADDR_REG_ESI, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),
  PUSHOP(0xbf, ADDR_REG_EDI, SIZE_WD, ADDR_IMMED, SIZE_WD, OP_MOV),

  PUSHOP(0xc0, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, 2),
  PUSHOP(0xc1, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_BYTE, 2),
  PUSHOP(0xc2, ADDR_IMMED, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_RETN),
  PUSHOP(0xc3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RETN),
  PUSHOP(0xc4, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LES), /* FIXME: mem size is F/D */
  PUSHOP(0xc5, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LDS), /* FIXME: mem size is F/D */
  PUSHOP(0xc6, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, 5),
  PUSHOP(0xc7, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_WD, 5),
  PUSHOP(0xc8, ADDR_IMMED, SIZE_WORD, ADDR_IMMED, SIZE_BYTE, OP_ENTER),
  PUSHOP(0xc9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_LEAVE),
  PUSHOP(0xca, ADDR_IMMED, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_RETF),
  PUSHOP(0xcb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RETF),
  PUSHOP(0xcc, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INT3),
  PUSHOP(0xcd, ADDR_IMMED, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_INT),
  PUSHOP(0xce, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INTO),
  PUSHOP(0xcf, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_IRET),

  PUSHOP(0xd0, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMPLICIT, 1, 2),
  PUSHOP(0xd1, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMPLICIT, 1, 2),
  PUSHOP(0xd2, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_REG_ECX, SIZE_BYTE, 2),
  PUSHOP(0xd3, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_REG_ECX, SIZE_BYTE, 2),
  PUSHOP(0xd4, ADDR_IMMED, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_AAM),
  PUSHOP(0xd5, ADDR_IMMED, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_AAD),
  PUSHOP(0xd6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0xd7, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_XLAT),
  PUSHOP(0xd8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xd9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xda, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xdb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xdc, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xdd, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xde, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),
  PUSHOP(0xdf, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_FPU),

  PUSHOP(0xe0, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_LOOPNE),
  PUSHOP(0xe1, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_LOOPE),
  PUSHOP(0xe2, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_LOOP),
  PUSHOP(0xe3, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JECXZ),
  PUSHOP(0xe4, ADDR_REG_EAX, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, OP_IN),
  PUSHOP(0xe5, ADDR_REG_EAX, SIZE_WD, ADDR_IMMED, SIZE_BYTE, OP_IN),
  PUSHOP(0xe6, ADDR_IMMED, SIZE_BYTE, ADDR_REG_EAX, SIZE_BYTE, OP_OUT),
  PUSHOP(0xe7, ADDR_IMMED, SIZE_BYTE, ADDR_REG_EAX, SIZE_WD, OP_OUT),
  PUSHOP(0xe8, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CALL),
  PUSHOP(0xe9, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JMP),
  PUSHOP(0xea, ADDR_IMMED, SIZE_DF, ADDR_NOADDR, SIZE_NOSIZE, OP_JMP),
  PUSHOP(0xeb, ADDR_RELJ, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_JMP),
  PUSHOP(0xec, ADDR_REG_EAX, SIZE_BYTE, ADDR_REG_EDX, SIZE_WORD, OP_IN),
  PUSHOP(0xed, ADDR_REG_EAX, SIZE_WD, ADDR_REG_EDX, SIZE_WORD, OP_IN),
  PUSHOP(0xee, ADDR_REG_EDX, SIZE_WORD, ADDR_REG_EAX, SIZE_BYTE, OP_OUT),
  PUSHOP(0xef, ADDR_REG_EDX, SIZE_WORD, ADDR_REG_EAX, SIZE_WD, OP_OUT),

  PUSHOP(0xf0, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_LOCK),
  PUSHOP(0xf1, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0xf2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_REPNE),
  PUSHOP(0xf3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_PREFIX_REPE),
  PUSHOP(0xf4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_HLT),
  PUSHOP(0xf5, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CMC),
  PUSHOP(0xf6, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_IMMED, SIZE_BYTE, 6),
  PUSHOP(0xf7, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_WD, 6),
  PUSHOP(0xf8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CLC),
  PUSHOP(0xf9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_STC),
  PUSHOP(0xfa, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CLI),
  PUSHOP(0xfb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_STI),
  PUSHOP(0xfc, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CLD),
  PUSHOP(0xfd, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_STD),
  PUSHOP(0xfe, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 3),
  PUSHOP(0xff, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, 4),
},{ /* 222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222 */
  PUSHOP(0x00, ADDR_MRM_EXTRA_1A, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, 7),
  PUSHOP(0x01, ADDR_MRM_EXTRA_1A_M, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 26), /* FIXME: SMSW/LMSW Mw/R[vw] (0f0120,0f0130,660f0120,660f0130,0f01e0,0f01f0,660f01e0,660f01f0) not handled */
  PUSHOP(0x02, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LAR), /* FIXME: ssize is always W */
  PUSHOP(0x03, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LSL), /* FIXME: ssize is always W */
  PUSHOP(0x04, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x05, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SYSCALL),
  PUSHOP(0x06, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CLTS),
  PUSHOP(0x07, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SYSRET),
  PUSHOP(0x08, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVD),
  PUSHOP(0x09, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_WBINVD),
  PUSHOP(0x0a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x0b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UD2),
  PUSHOP(0x0c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x0d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x0e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x0f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),

  PUSHOP(0x10, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x11, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x12, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x13, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x14, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x15, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x16, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x17, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x18, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x19, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x1f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),

  PUSHOP(0x20, ADDR_MRM_GEN_RC, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x21, ADDR_MRM_GEN_RD, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x22, ADDR_MRM_GEN_CR, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x23, ADDR_MRM_GEN_DR, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOV),
  PUSHOP(0x24, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x25, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x26, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x27, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x28, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x29, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x2f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),

  PUSHOP(0x30, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_WRMSR),
  PUSHOP(0x31, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RDTSC),
  PUSHOP(0x32, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RDMSR),
  PUSHOP(0x33, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RDPMC),
  PUSHOP(0x34, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SYSENTER),
  PUSHOP(0x35, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_SYSEXIT),
  PUSHOP(0x36, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x37, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x38, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP), /* 3byte escape */
  PUSHOP(0x39, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x3a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP), /* 3byte escape */
  PUSHOP(0x3b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x3c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x3d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x3e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x3f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),

  PUSHOP(0x40, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVO),
  PUSHOP(0x41, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVNO),
  PUSHOP(0x42, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVC),
  PUSHOP(0x43, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVNC),
  PUSHOP(0x44, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVZ),
  PUSHOP(0x45, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVNZ),
  PUSHOP(0x46, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVBE),
  PUSHOP(0x47, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVA),
  PUSHOP(0x48, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVS),
  PUSHOP(0x49, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVNS),
  PUSHOP(0x4a, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVP),
  PUSHOP(0x4b, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVNP),
  PUSHOP(0x4c, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVL),
  PUSHOP(0x4d, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVGE),
  PUSHOP(0x4e, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVLE),
  PUSHOP(0x4f, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMOVG),

  PUSHOP(0x50, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x51, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x52, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x53, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x54, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x55, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x56, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x57, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x58, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x59, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x5f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  
  PUSHOP(0x60, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x61, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x62, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x63, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x64, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x65, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x66, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x67, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x68, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x69, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x6f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),

  PUSHOP(0x70, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x71, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x72, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x73, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x74, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x75, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x76, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x77, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x78, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x79, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x7a, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x7b, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0x7c, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x7d, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x7e, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0x7f, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),

  PUSHOP(0x80, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JO),
  PUSHOP(0x81, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JNO),
  PUSHOP(0x82, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JC),
  PUSHOP(0x83, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JNC),
  PUSHOP(0x84, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JZ),
  PUSHOP(0x85, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JNZ),
  PUSHOP(0x86, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JBE),
  PUSHOP(0x87, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JA),
  PUSHOP(0x88, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JS),
  PUSHOP(0x89, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JNS),
  PUSHOP(0x8a, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JP),
  PUSHOP(0x8b, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JNP),
  PUSHOP(0x8c, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JL),
  PUSHOP(0x8d, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JGE),
  PUSHOP(0x8e, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JLE),
  PUSHOP(0x8f, ADDR_RELJ, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_JG),

  PUSHOP(0x90, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 8),
  PUSHOP(0x91, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 9),
  PUSHOP(0x92, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 10),
  PUSHOP(0x93, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 11),
  PUSHOP(0x94, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 12),
  PUSHOP(0x95, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 13),
  PUSHOP(0x96, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 14),
  PUSHOP(0x97, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 15),
  PUSHOP(0x98, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 16),
  PUSHOP(0x99, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 17),
  PUSHOP(0x9a, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 18),
  PUSHOP(0x9b, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 19),
  PUSHOP(0x9c, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 20),
  PUSHOP(0x9d, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 21),
  PUSHOP(0x9e, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 22),
  PUSHOP(0x9f, ADDR_MRM_EXTRA_1A, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, 23),
  
  PUSHOP(0xa0, ADDR_REG_FS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0xa1, ADDR_REG_FS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0xa2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_CPUID),
  PUSHOP(0xa3, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BT),
  PUSHOP(0xa4, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_IMMED, SIZE_BYTE, OP_SHLD),
  PUSHOP(0xa5, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_REG_ECX, SIZE_BYTE, OP_SHLD),
  PUSHOP(0xa6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0xa7, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0xa8, ADDR_REG_GS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_PUSH),
  PUSHOP(0xa9, ADDR_REG_GS, SIZE_WORD, ADDR_NOADDR, SIZE_NOSIZE, OP_POP),
  PUSHOP(0xaa, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_RSM),
  PUSHOP(0xab, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BTS),
  PUSHOP(0xac, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_IMMED, SIZE_BYTE, OP_SHRD),
  PUSHOP(0xad, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_REG_ECX, SIZE_BYTE, OP_SHRD),
  PUSHOP(0xae, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xaf, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_IMUL),

  PUSHOP(0xb0, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_CMPXCHG),
  PUSHOP(0xb1, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_CMPXCHG),
  PUSHOP(0xb2, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LSS), /* FIXME: mem size is F/D */
  PUSHOP(0xb3, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BTR),
  PUSHOP(0xb4, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LFS), /* FIXME: mem size is F/D */
  PUSHOP(0xb5, ADDR_MRM_GEN_GM, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_LGS), /* FIXME: mem size is F/D */
  PUSHOP(0xb6, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVZX),
  PUSHOP(0xb7, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVZX),
  PUSHOP(0xb8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),
  PUSHOP(0xb9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xba, ADDR_MRM_EXTRA_1A, SIZE_WD, ADDR_IMMED, SIZE_BYTE, 24),
  PUSHOP(0xbb, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BTC),
  PUSHOP(0xbc, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSF),
  PUSHOP(0xbd, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSR),
  PUSHOP(0xbe, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVSX),
  PUSHOP(0xbf, ADDR_MRM_GEN_GE, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_MOVSX),

  PUSHOP(0xc0, ADDR_MRM_GEN_EG, SIZE_BYTE, ADDR_NOADDR, SIZE_NOSIZE, OP_XADD),
  PUSHOP(0xc1, ADDR_MRM_GEN_EG, SIZE_WD, ADDR_NOADDR, SIZE_NOSIZE, OP_XADD),
  PUSHOP(0xc2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xc3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xc4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xc5, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xc6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xc7, ADDR_MRM_EXTRA_1A_M, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, 25),
  PUSHOP(0xc8, ADDR_REG_EAX, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xc9, ADDR_REG_ECX, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xca, ADDR_REG_EDX, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xcb, ADDR_REG_EBX, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xcc, ADDR_REG_ESP, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xcd, ADDR_REG_EBP, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xce, ADDR_REG_ESI, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),
  PUSHOP(0xcf, ADDR_REG_EDI, SIZE_DWORD, ADDR_NOADDR, SIZE_NOSIZE, OP_BSWAP),

  PUSHOP(0xd0, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd1, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd5, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd7, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xd9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xda, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xdb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xdc, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xdd, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xde, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xdf, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),

  PUSHOP(0xe0, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe1, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe5, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe7, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xe9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xea, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xeb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xec, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xed, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xee, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xef, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  
  PUSHOP(0xf0, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf1, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf2, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf3, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf4, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf5, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf6, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf7, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf8, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xf9, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xfa, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xfb, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xfc, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xfd, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xfe, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_UNSUP),
  PUSHOP(0xff, ADDR_NOADDR, SIZE_NOSIZE, ADDR_NOADDR, SIZE_NOSIZE, OP_INVALID),

}};


static const char *dis_size[] = {"byte", "word", "dword", "fword", "qword", "tword", "acab"};

static const char *x86regs[] = {
  "eax","ecx","edx","ebx","esp","ebp","esi","edi",
  "ax","cx","dx","bx","sp","bp","si","di",
  "ah","ch","dh","bh","al","cl","dl","bl",
  "es","cs","ss","ds","fs","gs",
  "cr0", "cr1 (rsvd)", "cr2", "cr3", "cr4", "cr5 (rsvd)", "cr6 (rsvd)", "cr7 (rsvd)",
  "dr0", "dr1", "dr2", "dr3", "dr4 (rsvd)", "dr5 (rsvd)", "dr6", "dr7",
  "st(0)", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
  ""
};


static void spam_x86(struct DISASMED *s, char *hr) {
  int i;
  char comma[2]={'\0','\0'};

  strcpy(hr, mnemonic[s->real_op]);
  hr += strlen(hr);

  for (i=0; i<3; i++) {
    switch(s->args[i].access) {
    case ACCESS_NOARG:
      break;
    case ACCESS_IMM:
    case ACCESS_REL:
      if (s->args[i].arg.rq >=0)
	hr += sprintf(hr, "%s %lx", comma, (long)s->args[i].arg.q);
      else
	hr += sprintf(hr, "%s -%x", comma, -(int)s->args[i].arg.rq);
      break;
    case ACCESS_REG:
      hr += sprintf(hr, "%s %s", comma, x86regs[s->args[i].reg]);
      break;
    case ACCESS_MEM: {
      const char *gotstuff="";
      hr += sprintf(hr, "%s %s ptr ", comma, dis_size[s->args[i].size]);
      if(s->segment) hr += sprintf(hr, "%s:", x86regs[s->segment]);
      *hr++ = '[';
      *hr = '\0';
      if(s->args[i].arg.marg.r1!=REG_INVALID) {
	switch(s->args[i].arg.marg.scale) {
	case 1:
	  hr += sprintf(hr, "%s", x86regs[s->args[i].arg.marg.r1]);
	  gotstuff="+";
	  break;
	case 0:
	  break;
	default:
	  hr += sprintf(hr, "%s*%d", x86regs[s->args[i].arg.marg.r1],s->args[i].arg.marg.scale);
	  gotstuff="+";
	}
      }
      if(s->args[i].arg.marg.r2!=REG_INVALID) {
	hr += sprintf(hr, "%s%s", gotstuff, x86regs[s->args[i].arg.marg.r2]);
	gotstuff="+";
      }
      if(s->args[i].arg.marg.disp) {
	if(*gotstuff=='+' && s->args[i].arg.marg.disp<0)
	  hr += sprintf(hr, "-%x", -s->args[i].arg.marg.disp);
	else
	  hr += sprintf(hr, "%s%x", gotstuff, s->args[i].arg.marg.disp);
      }
      *hr++ = ']';
      *hr = '\0';
    }
    }
    comma[0]=',';
  }
}


#define INVALIDATE {s->table_op=OP_INVALID; s->state=STATE_ERROR; goto disasm_failed;}
#define GETBYTE(X) if(len--) {X=*command; command++;} else INVALIDATE;
#define GETSIZE(X) (x86ops[table][s->table_op].X!=SIZE_WD?x86ops[table][s->table_op].X:((s->opsize)?SIZE_WORD:SIZE_DWORD))


static const uint8_t *disasm_x86(const uint8_t *command, unsigned int len, struct DISASMED *s) {
  unsigned int reversed=0, i;
  uint8_t b;
  unsigned int table = 0;
  memset(s, 0, sizeof(struct DISASMED));
  s->state = STATE_GETOP;

  while(1) {
    switch (s->state) {
    case STATE_GETOP:
      GETBYTE(s->table_op);
      s->real_op=x86ops[table][s->table_op].op;
      switch(s->real_op) {
      case OP_FPU:
	s->state = STATE_DECODEX87;
	break;
      case OP_2BYTE:
	table=1;
	break;
      case OP_PREFIX_OPSIZE:
	s->opsize=1; /* FIXME: check double prefixes */
	break;
      case OP_PREFIX_ADDRSIZE:
	s->adsize=1; /* FIXME: check double prefixes */
	break;
      case OP_PREFIX_SEGMENT:
	assert(x86ops[table][s->table_op].dmethod>=ADDR_REG_ES && x86ops[table][s->table_op].dmethod<=ADDR_REG_GS);
	s->segment = regmap[SIZE_WORD][x86ops[table][s->table_op].dmethod];
	break;
      default:
	s->state = STATE_CHECKDTYPE;
      }
      continue;

    case STATE_DECODEX87: {
      uint8_t mod;
      uint8_t rm;
      uint8_t rop;
      uint8_t scale;
      uint8_t base;
      uint8_t idx;
      
      table = s->table_op - 0xd8;
      assert(table<8);
      GETBYTE(rm);
      if (rm>=0xc0) { /* ST */
	rm&=0x3f;
	if ((s->real_op=x87_st[table][rm].op)==OP_INVALID) INVALIDATE;
	switch(x87_st[table][rm].args) {
	case X87_S:
	  reversed = 1;
	case X87_R:
	  s->args[reversed^1].access = ACCESS_REG;
	  s->args[reversed^1].reg = REG_ST0;
	case X87_ONE:
	  s->args[reversed].access = ACCESS_REG;
	  s->args[reversed].reg = REG_ST0 + (rm&7);
	  break;
	case X87_NONE:
	  break;
	default:
	  assert("Bad data in x87_st"==0);
	}
	s->state = STATE_FINALIZE;
	continue;
      }

      /* MRM */
      mod=rm>>6;
      rop=(rm>>3)&7;
      rm&=7;

      if ((s->real_op=x87_mrm[table][rop].op)==OP_INVALID) INVALIDATE;
      s->args[0].size = x87_mrm[table][rop].size;
      s->args[0].access = ACCESS_MEM;

      if(!s->adsize) {
	if (rm==4) {
	  GETBYTE(base);
	  scale=base>>6;
	  idx=(base>>3)&7;
	  base&=7;
	  
	  s->args[0].arg.marg.scale = 1<<scale;
	  if((s->args[0].arg.marg.r2=mrm_regmap[SIZED][base])==REG_EBP && mod==0) {
	    s->args[0].arg.marg.r2=REG_INVALID;
	    mod=2;
	  }
	  if((s->args[0].arg.marg.r1=mrm_regmap[SIZED][idx])==REG_ESP) {
	    s->args[0].arg.marg.r1=s->args[0].arg.marg.r2;
	    s->args[0].arg.marg.scale = (s->args[0].arg.marg.r2!=REG_INVALID);
	    s->args[0].arg.marg.r2=REG_INVALID;
	  }
	} else {
	  if (mod==0 && rm==5) {
	    mod=2;
	    s->args[0].arg.marg.r1=REG_INVALID;
	  } else {
	    s->args[0].arg.marg.scale=1;
	    s->args[0].arg.marg.r1=mrm_regmap[SIZED][rm];
	  }
	  s->args[0].arg.marg.r2=REG_INVALID;
	}
	if(mod==2) mod+=mod;
	for (i=0; i<mod; i++) {
	  GETBYTE(b);
	  s->args[0].arg.marg.disp+=b<<(i*8);
	  /* FIXME: signextend to dword */
	}
      } else {
	if (mod==0 && rm==6) {
	  s->args[0].arg.marg.r1=REG_INVALID;
	  mod=2;
	} else {
	  s->args[0].arg.marg.scale=1;
	  s->args[0].arg.marg.r1=mrm_regmapw[rm].r1;
	  s->args[0].arg.marg.r2=mrm_regmapw[rm].r2;
	}
	for (i=0; i<mod; i++) {
	  GETBYTE(b);
	  s->args[0].arg.marg.disp+=b<<(i*8);
	  /* FIXME: signextend to dword */
	}
      }
      s->state = STATE_FINALIZE;
      break;
    }

    case STATE_CHECKDTYPE:
      switch(x86ops[table][s->table_op].dmethod) {
      case ADDR_REG_FS: case ADDR_REG_GS:
	/* FIXME: does this exist? */
      case ADDR_REG_ES: case ADDR_REG_CS: case ADDR_REG_SS: case ADDR_REG_DS:
	assert(x86ops[table][s->table_op].dsize==SIZE_WORD);
      case ADDR_REG_ESP: case ADDR_REG_EBP: case ADDR_REG_ESI: case ADDR_REG_EDI:
	assert(x86ops[table][s->table_op].dsize!=SIZE_BYTE && x86ops[table][s->table_op].dsize!=SIZE_BYTEH);
      case ADDR_REG_EAX: case ADDR_REG_ECX: case ADDR_REG_EDX: case ADDR_REG_EBX:
	assert(x86ops[table][s->table_op].dsize<=SIZE_WD);
	s->args[0].access = ACCESS_REG;
	s->args[0].reg = regmap[GETSIZE(dsize)][x86ops[table][s->table_op].dmethod];
	s->state = STATE_CHECKSTYPE;
	continue;

      case ADDR_NOADDR:
	if (x86ops[table][s->table_op].dsize!=SIZE_NOSIZE) {
	  assert(x86ops[table][s->table_op].dsize==SIZE_WD);
	  s->real_op+=(s->opsize!=0);
	}
	s->args[0].access = ACCESS_NOARG;
	s->state = STATE_FINALIZE;
	continue;

      case ADDR_RELJ:
      case ADDR_IMMED: {
	uint8_t sz;
	s->args[0].access = x86ops[table][s->table_op].dmethod-ADDR_IMMED+ACCESS_IMM;
	assert(x86ops[table][s->table_op].dsize<SIZE_NOSIZE && s->opsize<2);
	sz=sizemap[x86ops[table][s->table_op].dsize][s->opsize];
	assert(sz!=255);
	s->args[0].size = sz>>1;	/* FIXME: size does matter - 6aff vs 666aff :( */
	for (i=0; i<sz; i++) {
	  GETBYTE(b);
	  s->args[0].arg.q+=(uint64_t)b<<(i*8);
	}
	/* if (x86ops[table][s->table_op].dmethod==ADDR_RELJ) { */
	  s->args[0].arg.q<<=((8-sz)*8);
	  s->args[0].arg.rq>>=((8-sz)*8);
	/* } */
	s->state = STATE_CHECKSTYPE;
	continue;
      }

      case ADDR_MRM_GEN_GE:
      case ADDR_MRM_GEN_GM:
      case ADDR_MRM_GEN_SE:
      case ADDR_MRM_GEN_CR:
      case ADDR_MRM_GEN_DR: 
	reversed = 1;

      case ADDR_MRM_GEN_EG:
      case ADDR_MRM_GEN_ES:
      case ADDR_MRM_EXTRA_1A:
      case ADDR_MRM_EXTRA_1A_M:
      case ADDR_MRM_GEN_RC:
      case ADDR_MRM_GEN_RD: {
	uint8_t mod;
	uint8_t rm;
	uint8_t rop;
	uint8_t scale;
	uint8_t base;
	uint8_t idx;
	int64_t shiftme=0;
	const uint8_t (*p)[8];

	GETBYTE(rm);
	mod=rm>>6;
	rop=(rm>>3)&7;
	rm&=7;

	switch(x86ops[table][s->table_op].dmethod) {
	case ADDR_MRM_GEN_RC:
	case ADDR_MRM_GEN_CR:
	  p = mrm_cregmap;
	  mod = 3;
	  break;
	case ADDR_MRM_GEN_RD:
	case ADDR_MRM_GEN_DR:
	  p = mrm_dregmap;
	  mod = 3;
	  break;
	case ADDR_MRM_GEN_SE:
	case ADDR_MRM_GEN_ES:
	  p = mrm_sregmap; /* FIXME: CS invalid? */
	  break;
	default:
	  p = mrm_regmap;
	}

	s->args[reversed].size = SIZEB;
	switch (x86ops[table][s->table_op].dsize) {
	case SIZE_DWORD:
	  s->args[reversed].size=SIZED;
	  break;
	case SIZE_WD:
	  s->args[reversed].size+=(s->opsize==0);
	case SIZE_WORD:
	  s->args[reversed].size++;
	case SIZE_BYTE:
	  break;
	default:
	  assert("Bad size"==0);
	}

	s->args[reversed^1].access = ACCESS_REG;
	if ((s->args[reversed^1].reg = p[s->args[reversed].size][rop]) == REG_INVALID) INVALIDATE;

	/* MOVZX size fixxup */
	if(s->real_op == OP_MOVZX || s->real_op == OP_MOVSX)
	    s->args[reversed].size = SIZEB + (s->table_op & 1);

	if(mod==3) {
	  if(x86ops[table][s->table_op].dmethod==ADDR_MRM_GEN_GM || x86ops[table][s->table_op].dmethod==ADDR_MRM_EXTRA_1A_M) INVALIDATE;
	  s->args[reversed].access = ACCESS_REG;
	  s->args[reversed].reg = mrm_regmap[s->args[reversed].size][rm];

	  if(x86ops[table][s->table_op].dmethod==ADDR_MRM_EXTRA_1A) {
	    uint8_t opcache = s->real_op;
	    assert(opcache<(sizeof(extra_1a)/sizeof(extra_1a[0][0])));
	    s->args[0].size+=extra_1a[opcache][rop].addsz;
	    if((s->real_op=extra_1a[opcache][rop].op)==OP_INVALID) INVALIDATE;
	    s->args[1].access=ACCESS_NOARG;
	    if (opcache==6 && rop!=0) {
	      /* f6-f7 - GRP3 - handle test E[bv],I[bv] vs the rest */
	      s->state = STATE_FINALIZE;
	      continue;
	    }
	  } else s->cur++;
	  s->state = STATE_CHECKSTYPE;
	  continue;
	}

	s->args[reversed].access = ACCESS_MEM;

	if(!s->adsize) {
	  if (rm==4) {
	    GETBYTE(base);
	    scale=base>>6;
	    idx=(base>>3)&7;
	    base&=7;

	    s->args[reversed].arg.marg.scale = 1<<scale;
	    if((s->args[reversed].arg.marg.r2=mrm_regmap[SIZED][base])==REG_EBP && mod==0) {
	      s->args[reversed].arg.marg.r2=REG_INVALID;
	      mod=2;
	    }
	    if((s->args[reversed].arg.marg.r1=mrm_regmap[SIZED][idx])==REG_ESP) {
	      s->args[reversed].arg.marg.r1=s->args[reversed].arg.marg.r2;
	      s->args[reversed].arg.marg.scale = (s->args[reversed].arg.marg.r2!=REG_INVALID);
	      s->args[reversed].arg.marg.r2=REG_INVALID;
	    }
	  } else {
	    if (mod==0 && rm==5) {
	      mod=2;
	      s->args[reversed].arg.marg.r1=REG_INVALID;
	    } else {
	      s->args[reversed].arg.marg.scale=1;
	      s->args[reversed].arg.marg.r1=mrm_regmap[SIZED][rm];
	    }
	    s->args[reversed].arg.marg.r2=REG_INVALID;
	  }
	  if(mod==2) mod+=mod;
	  for (i=0; i<mod; i++) {
	    GETBYTE(b);
	    shiftme+=b<<(i*8);
	  }
	  if(mod) {
	      shiftme<<=((8-mod)*8);
	      s->args[reversed].arg.marg.disp=shiftme>>((8-mod)*8);
	  } else s->args[reversed].arg.marg.disp=0;
	} else {
	  if (mod==0 && rm==6) {
	    s->args[reversed].arg.marg.r1=REG_INVALID;
	    mod=2;
	  } else {
	    s->args[reversed].arg.marg.scale=1;
	    s->args[reversed].arg.marg.r1=mrm_regmapw[rm].r1;
	    s->args[reversed].arg.marg.r2=mrm_regmapw[rm].r2;
	  }
	  for (i=0; i<mod; i++) {
	    GETBYTE(b);
	    shiftme+=b<<(i*8);
	  }
	  shiftme<<=((8-mod)*8);
	  s->args[reversed].arg.marg.disp=shiftme>>((8-mod)*8);
	}
	if(x86ops[table][s->table_op].dmethod==ADDR_MRM_EXTRA_1A || x86ops[table][s->table_op].dmethod==ADDR_MRM_EXTRA_1A_M) {
	  uint8_t opcache = s->real_op;
	  assert(opcache<(sizeof(extra_1a)/sizeof(extra_1a[0][0])));
	  s->args[0].size+=extra_1a[opcache][rop].addsz;
	  if ((s->real_op=extra_1a[opcache][rop].op)==OP_INVALID) INVALIDATE;
	  s->args[1].access=ACCESS_NOARG;
	  if (opcache==6 && rop!=0) {
	    /* f6-f7 - GRP3 - handle test E[bv],I[bv] vs the rest */
	    s->state = STATE_FINALIZE;
	    continue;
	  }
	} else s->cur++;
	s->state = STATE_CHECKSTYPE;
	continue;
      }

      case ADDR_OFFSET: {
	uint8_t sz;
	s->args[0].access = ACCESS_MEM;
	assert((x86ops[table][s->table_op].dsize==SIZE_BYTE || x86ops[table][s->table_op].dsize==SIZE_WD) && s->adsize<2);
	sz=sizemap[SIZE_WD][s->adsize];
	assert(sz!=255);
	assert(s->opsize<2);
	s->args[0].size=sizemap[x86ops[table][s->table_op].dsize][s->opsize];
	assert(s->args[0].size!=255);
	s->args[0].size>>=1;
	s->args[0].arg.marg.r1=REG_INVALID;
	s->args[0].arg.marg.r2=REG_INVALID;
	for (i=0; i<sz; i++) {
	  GETBYTE(b);
	  s->args[0].arg.marg.disp+=b<<(i*8);
	}
	s->state = STATE_CHECKSTYPE;
	continue;
      }

      default:
	assert("BAD DST METHOD"==0);
      }

    
    case STATE_CHECKSTYPE:
      s->cur++;
      switch(x86ops[table][s->table_op].smethod) {
      case ADDR_NOADDR:
	s->state = STATE_FINALIZE;
	continue;

      case ADDR_IMMED: {
	uint8_t sz;
	s->args[s->cur].access = ACCESS_IMM;
	assert((x86ops[table][s->table_op].ssize==SIZE_WD || x86ops[table][s->table_op].ssize==SIZE_BYTE) && s->opsize<2);
	sz=sizemap[x86ops[table][s->table_op].ssize][s->opsize];
	s->args[s->cur].size = sz>>1;
	for (i=0; i<sz; i++) {
	  GETBYTE(b);
	  s->args[s->cur].arg.q+=b<<(i*8);
	}
	  s->args[s->cur].arg.q<<=((8-sz)*8);
	  s->args[s->cur].arg.rq>>=((8-sz)*8);
	s->state = STATE_FINALIZE;
	continue;
      }

      case ADDR_REG_EAX:
      case ADDR_REG_ECX:
      case ADDR_REG_EDX:
	assert(x86ops[table][s->table_op].ssize<=SIZE_WD);
	s->args[s->cur].access = ACCESS_REG;
	s->args[s->cur].reg = regmap[GETSIZE(ssize)][x86ops[table][s->table_op].smethod];
	s->state = STATE_FINALIZE;
	continue;

      case ADDR_IMPLICIT:
	s->args[s->cur].access = ACCESS_IMM;
	s->args[s->cur].size = 1;
	s->args[s->cur].arg.q = 1;
	s->state = STATE_FINALIZE;
	continue;	

      case ADDR_OFFSET: {
	uint8_t sz;
	s->args[1].access = ACCESS_MEM;
	assert((x86ops[table][s->table_op].ssize==SIZE_BYTE || x86ops[table][s->table_op].ssize==SIZE_WD) && s->adsize<2);
	sz=sizemap[SIZE_WD][s->adsize];
	assert(sz!=255);
	assert(s->opsize<2);
	s->args[1].size=sizemap[x86ops[table][s->table_op].ssize][s->opsize];
	assert(s->args[1].size!=255);
	s->args[1].size>>=1;
	s->args[1].arg.marg.r1=REG_INVALID;
	s->args[1].arg.marg.r2=REG_INVALID;
	for (i=0; i<sz; i++) {
	  GETBYTE(b);
	  s->args[1].arg.marg.disp+=b<<(i*8);
	}
	s->state = STATE_FINALIZE;
	continue;
      }

      default:
	assert("BAD SRC METHOD"==0);
      }

    case STATE_ERROR:
    disasm_failed:
      return NULL;

    case STATE_FINALIZE:
      if (s->real_op==OP_INVALID) INVALIDATE;
      return command;

    default:
      assert("INVALID STATE"==0);
    }
  }
}

const uint8_t* cli_disasm_one(const uint8_t* buff, unsigned int len,
			      struct DISASM_RESULT *w, int spam)
{
  struct DISASMED s;
  int i;

  memset(&w->extra[0], 0, sizeof(w->extra));
  buff = disasm_x86(buff, len, &s);
  if (!buff)
      return NULL;
  if (spam) {
      char hr[128];
      spam_x86(&s, hr);
      cli_dbgmsg("%s\n", hr);
  }
  w->real_op = le16_to_host(s.real_op);
  w->opsize = s.opsize;
  w->adsize = s.adsize;
  w->segment = s.segment;

  for (i=0; i<3; i++) {
      w->arg[i][0] = s.args[i].access;
      w->arg[i][1] = s.args[i].size;
      switch(s.args[i].access) {
      case ACCESS_MEM:
	w->arg[i][2]=s.args[i].arg.marg.r1;
	w->arg[i][3]=s.args[i].arg.marg.r2;
	w->arg[i][4]=s.args[i].arg.marg.scale;
	w->arg[i][5]=0;
	cli_writeint32(&w->arg[i][6], s.args[i].arg.marg.disp);
	break;
      case ACCESS_REG:
	w->arg[i][1] = s.args[i].reg;
      default:
	cli_writeint32(&w->arg[i][2], s.args[i].arg.q);
	cli_writeint32(&w->arg[i][6], s.args[i].arg.q>>32);
      }
  }
  return buff;
}

int disasmbuf(const uint8_t *buff, unsigned int len, int fd) {
  const uint8_t *next = buff;
  unsigned int counter=0;
  int gotsome=0;
  struct DISASM_RESULT w;
  memset(&w.extra[0], 0, sizeof(w.extra));

  while(len && counter++<200) {
    if(!(next = cli_disasm_one(next, len, &w, cli_debug_flag))) {
      /* TODO: invd opcode or buff over */
      return gotsome;
    }
    
    len -= next-buff;
    buff=next;

    cli_writen(fd, &w, sizeof(w));
    gotsome = 1;
  }
  return gotsome;
}

