optable.h

DOSBox emulates a full x86 pc with sound and dos. Its main use is to run old dosgames on platforms w

/* Big ass opcode table normal,double, 66 normal, 66 double */
static OpCode OpCodeTable[1024]={
/* 0x00 - 0x07 */
{L_MODRM	,t_ADDb	,S_Eb	,M_EbGb		},{L_MODRM	,t_ADDw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_ADDb	,S_Gb	,M_GbEb		},{L_MODRM	,t_ADDw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_ADDb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_ADDw	,S_REGw	,REGI_AX	},
{L_SEG		,0		,S_PUSHw,es			},{D_POPSEGw,0		,0		,es			},
/* 0x08 - 0x0f */
{L_MODRM	,t_ORb	,S_Eb	,M_EbGb		},{L_MODRM	,t_ORw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_ORb	,S_Gb	,M_GbEb		},{L_MODRM	,t_ORw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_ORb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_ORw	,S_REGw	,REGI_AX	},
{L_SEG		,0		,S_PUSHw,cs			},{L_DOUBLE	,0		,0		,0			},

/* 0x10 - 0x17 */
{L_MODRM	,t_ADCb	,S_Eb	,M_EbGb		},{L_MODRM	,t_ADCw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_ADCb	,S_Gb	,M_GbEb		},{L_MODRM	,t_ADCw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_ADCb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_ADCw	,S_REGw	,REGI_AX	},
{L_SEG		,0		,S_PUSHw,ss			},{D_POPSEGw,0		,0		,ss			},
/* 0x18 - 0x1f */
{L_MODRM	,t_SBBb	,S_Eb	,M_EbGb		},{L_MODRM	,t_SBBw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_SBBb	,S_Gb	,M_GbEb		},{L_MODRM	,t_SBBw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_SBBb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_SBBw	,S_REGw	,REGI_AX	},
{L_SEG		,0		,S_PUSHw,ds			},{D_POPSEGw,0		,0		,ds			},

/* 0x20 - 0x27 */
{L_MODRM	,t_ANDb	,S_Eb	,M_EbGb		},{L_MODRM	,t_ANDw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_ANDb	,S_Gb	,M_GbEb		},{L_MODRM	,t_ANDw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_ANDb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_ANDw	,S_REGw	,REGI_AX	},
{L_PRESEG	,0		,0		,es			},{D_DAA	,0		,0		,0			},
/* 0x28 - 0x2f */
{L_MODRM	,t_SUBb	,S_Eb	,M_EbGb		},{L_MODRM	,t_SUBw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_SUBb	,S_Gb	,M_GbEb		},{L_MODRM	,t_SUBw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_SUBb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_SUBw	,S_REGw	,REGI_AX	},
{L_PRESEG	,0		,0		,cs			},{D_DAS	,0		,0		,0			},

/* 0x30 - 0x37 */
{L_MODRM	,t_XORb	,S_Eb	,M_EbGb		},{L_MODRM	,t_XORw	,S_Ew	,M_EwGw		},
{L_MODRM	,t_XORb	,S_Gb	,M_GbEb		},{L_MODRM	,t_XORw	,S_Gw	,M_GwEw		},
{L_REGbIb	,t_XORb	,S_REGb	,REGI_AL	},{L_REGwIw	,t_XORw	,S_REGw	,REGI_AX	},
{L_PRESEG	,0		,0		,ss			},{D_AAA	,0		,0		,0			},
/* 0x38 - 0x3f */
{L_MODRM	,t_CMPb	,0		,M_EbGb		},{L_MODRM	,t_CMPw	,0		,M_EwGw		},
{L_MODRM	,t_CMPb	,0		,M_GbEb		},{L_MODRM	,t_CMPw	,0		,M_GwEw		},
{L_REGbIb	,t_CMPb	,0		,REGI_AL	},{L_REGwIw	,t_CMPw	,0		,REGI_AX	},
{L_PRESEG	,0		,0		,ds			},{D_AAS	,0		,0		,0			},

/* 0x40 - 0x47 */
{L_REGw		,t_INCw	,S_REGw	,REGI_AX},{L_REGw	,t_INCw	,S_REGw	,REGI_CX},
{L_REGw		,t_INCw	,S_REGw	,REGI_DX},{L_REGw	,t_INCw	,S_REGw	,REGI_BX},
{L_REGw		,t_INCw	,S_REGw	,REGI_SP},{L_REGw	,t_INCw	,S_REGw	,REGI_BP},
{L_REGw		,t_INCw	,S_REGw	,REGI_SI},{L_REGw	,t_INCw	,S_REGw	,REGI_DI},
/* 0x48 - 0x4f */
{L_REGw		,t_DECw	,S_REGw	,REGI_AX},{L_REGw	,t_DECw	,S_REGw	,REGI_CX},
{L_REGw		,t_DECw	,S_REGw	,REGI_DX},{L_REGw	,t_DECw	,S_REGw	,REGI_BX},
{L_REGw		,t_DECw	,S_REGw	,REGI_SP},{L_REGw	,t_DECw	,S_REGw	,REGI_BP},
{L_REGw		,t_DECw	,S_REGw	,REGI_SI},{L_REGw	,t_DECw	,S_REGw	,REGI_DI},

/* 0x50 - 0x57 */
{L_REGw		,0		,S_PUSHw,REGI_AX},{L_REGw	,0		,S_PUSHw,REGI_CX},
{L_REGw		,0		,S_PUSHw,REGI_DX},{L_REGw	,0		,S_PUSHw,REGI_BX},
{L_REGw		,0		,S_PUSHw,REGI_SP},{L_REGw	,0		,S_PUSHw,REGI_BP},
{L_REGw		,0		,S_PUSHw,REGI_SI},{L_REGw	,0		,S_PUSHw,REGI_DI},
/* 0x58 - 0x5f */
{L_POPw		,0		,S_REGw	,REGI_AX},{L_POPw	,0		,S_REGw	,REGI_CX},
{L_POPw		,0		,S_REGw	,REGI_DX},{L_POPw	,0		,S_REGw	,REGI_BX},
{L_POPw		,0		,S_REGw	,REGI_SP},{L_POPw	,0		,S_REGw	,REGI_BP},
{L_POPw		,0		,S_REGw	,REGI_SI},{L_POPw	,0		,S_REGw	,REGI_DI},


/* 0x60 - 0x67 */
{D_PUSHAw	,0			,0		,0		},{D_POPAw	,0			,0		,0		},
{L_MODRM	,O_BOUNDw	,0		,M_Gw	},{L_MODRM	,O_ARPL		,S_Ew	,M_EwGw	},
{L_PRESEG	,0			,0		,fs		},{L_PRESEG	,0			,0		,gs		},
{L_PREOP	,0			,0		,0		},{L_PREADD	,0			,0		,0		},
/* 0x68 - 0x6f */
{L_Iw		,0			,S_PUSHw,0		},{L_MODRM	,O_IMULRw	,S_Gw	,M_EwxIwx},
{L_Ibx		,0			,S_PUSHw,0		},{L_MODRM	,O_IMULRw	,S_Gw	,M_EwxIbx},
{L_STRING	,R_INSB		,0		,0		},{L_STRING	,R_INSW		,0		,0		},
{L_STRING	,R_OUTSB	,0		,0		},{L_STRING	,R_OUTSW	,0		,0		},


/* 0x70 - 0x77 */
{L_Ibx		,O_C_O		,S_C_AIPw,0		},{L_Ibx	,O_C_NO		,S_C_AIPw,0		},
{L_Ibx		,O_C_B		,S_C_AIPw,0		},{L_Ibx	,O_C_NB		,S_C_AIPw,0		},
{L_Ibx		,O_C_Z		,S_C_AIPw,0		},{L_Ibx	,O_C_NZ		,S_C_AIPw,0		},
{L_Ibx		,O_C_BE		,S_C_AIPw,0		},{L_Ibx	,O_C_NBE	,S_C_AIPw,0		},
/* 0x78 - 0x7f */
{L_Ibx		,O_C_S		,S_C_AIPw,0		},{L_Ibx	,O_C_NS		,S_C_AIPw,0		},
{L_Ibx		,O_C_P		,S_C_AIPw,0		},{L_Ibx	,O_C_NP		,S_C_AIPw,0		},
{L_Ibx		,O_C_L		,S_C_AIPw,0		},{L_Ibx	,O_C_NL		,S_C_AIPw,0		},
{L_Ibx		,O_C_LE		,S_C_AIPw,0		},{L_Ibx	,O_C_NLE	,S_C_AIPw,0		},


/* 0x80 - 0x87 */
{L_MODRM	,0			,0		,M_GRP	},{L_MODRM	,1			,0		,M_GRP	},
{L_MODRM	,0			,0		,M_GRP	},{L_MODRM	,3			,0		,M_GRP	},
{L_MODRM	,t_TESTb	,0		,M_EbGb	},{L_MODRM	,t_TESTw	,0		,M_EwGw	},
{L_MODRM	,0			,S_EbGb	,M_GbEb	},{L_MODRM	,0			,S_EwGw	,M_GwEw	},
/* 0x88 - 0x8f */
{L_MODRM		,0		,S_Eb	,M_Gb	},{L_MODRM	,0			,S_Ew	,M_Gw	},
{L_MODRM		,0		,S_Gb	,M_Eb	},{L_MODRM	,0			,S_Gw	,M_Ew	},
{L_MODRM		,0		,S_Ew	,M_SEG	},{L_MODRM	,0			,S_Gw	,M_EA	},
{L_MODRM		,0		,S_SEGm	,M_Ew	},{L_POPwRM	,0			,S_Ew	,M_None	},

/* 0x90 - 0x97 */
{D_NOP		,0			,0		,0		},{L_REGw	,O_XCHG_AX	,S_REGw	,REGI_CX},
{L_REGw		,O_XCHG_AX	,S_REGw	,REGI_DX},{L_REGw	,O_XCHG_AX	,S_REGw	,REGI_BX},
{L_REGw		,O_XCHG_AX	,S_REGw	,REGI_SP},{L_REGw	,O_XCHG_AX	,S_REGw	,REGI_BP},
{L_REGw		,O_XCHG_AX	,S_REGw	,REGI_SI},{L_REGw	,O_XCHG_AX	,S_REGw	,REGI_DI},
/* 0x98 - 0x9f */
{D_CBW		,0			,0		,0		},{D_CWD	,0			,0		,0		},
{L_Ifw		,O_CALLFw	,0		,0		},{D_WAIT	,0			,0		,0		},
{D_PUSHF	,0			,0		,0		},{D_POPF	,0			,0		,0		},
{D_SAHF		,0			,0		,0		},{D_LAHF	,0			,0		,0		},


/* 0xa0 - 0xa7 */
{L_OP		,O_ALOP		,0		,0		},{L_OP		,O_AXOP		,0		,0		},
{L_OP		,O_OPAL		,0		,0		},{L_OP		,O_OPAX		,0		,0		},
{L_STRING	,R_MOVSB	,0		,0		},{L_STRING	,R_MOVSW	,0		,0		},
{L_STRING	,R_CMPSB	,0		,0		},{L_STRING	,R_CMPSW	,0		,0		},
/* 0xa8 - 0xaf */
{L_REGbIb	,t_TESTb	,0		,REGI_AL},{L_REGwIw	,t_TESTw	,0		,REGI_AX},
{L_STRING	,R_STOSB	,0		,0		},{L_STRING	,R_STOSW	,0		,0		},
{L_STRING	,R_LODSB	,0		,0		},{L_STRING	,R_LODSW	,0		,0		},
{L_STRING	,R_SCASB	,0		,0		},{L_STRING	,R_SCASW	,0		,0		},

/* 0xb0	- 0xb7 */
{L_Ib		,0			,S_REGb	,REGI_AL},{L_Ib	,0			,S_REGb	,REGI_CL},
{L_Ib		,0			,S_REGb	,REGI_DL},{L_Ib	,0			,S_REGb	,REGI_BL},
{L_Ib		,0			,S_REGb	,REGI_AH},{L_Ib	,0			,S_REGb	,REGI_CH},
{L_Ib		,0			,S_REGb	,REGI_DH},{L_Ib	,0			,S_REGb	,REGI_BH},
/* 0xb8 - 0xbf */
{L_Iw		,0			,S_REGw	,REGI_AX},{L_Iw	,0			,S_REGw	,REGI_CX},
{L_Iw		,0			,S_REGw	,REGI_DX},{L_Iw	,0			,S_REGw	,REGI_BX},
{L_Iw		,0			,S_REGw	,REGI_SP},{L_Iw	,0			,S_REGw	,REGI_BP},
{L_Iw		,0			,S_REGw	,REGI_SI},{L_Iw	,0			,S_REGw	,REGI_DI},

/* 0xc0 - 0xc7 */
{L_MODRM	,5			,0	,M_GRP_Ib	},{L_MODRM	,6			,0	,M_GRP_Ib	},
{L_POPw		,0			,S_IPIw	,0		},{L_POPw	,0			,S_IP	,0		},
{L_MODRM	,O_SEGES	,S_SEGGw,M_Efw	},{L_MODRM	,O_SEGDS	,S_SEGGw,M_Efw	},
{L_MODRM	,0			,S_Eb	,M_Ib	},{L_MODRM	,0			,S_Ew	,M_Iw	},
/* 0xc8 - 0xcf */
{D_ENTERw	,0			,0		,0		},{D_LEAVEw	,0			,0		,0		},
{D_RETFwIw	,0			,0		,0		},{D_RETFw	,0			,0		,0		},
{L_VAL		,O_INT		,0		,3		},{L_Ib		,O_INT		,0		,0		},
{L_INTO		,O_INT		,0		,0		},{D_IRETw	,0			,0		,0		},

/* 0xd0 - 0xd7 */
{L_MODRM	,5			,0	,M_GRP_1	},{L_MODRM	,6			,0	,M_GRP_1	},
{L_MODRM	,5			,0	,M_GRP_CL	},{L_MODRM	,6			,0	,M_GRP_CL	},
{L_Ib		,O_AAM		,0		,0		},{L_Ib		,O_AAD		,0		,0		},
{D_SETALC	,0			,0		,0		},{D_XLAT	,0			,0		,0		},
//TODO FPU
/* 0xd8 - 0xdf */
{L_MODRM	,O_FPU		,0		,0		},{L_MODRM	,O_FPU		,1		,0		},
{L_MODRM	,O_FPU		,2		,0		},{L_MODRM	,O_FPU		,3		,0		},
{L_MODRM	,O_FPU		,4		,0		},{L_MODRM	,O_FPU		,5		,0		},
{L_MODRM	,O_FPU		,6		,0		},{L_MODRM	,O_FPU		,7		,0		},

/* 0xe0 - 0xe7 */
{L_Ibx		,O_LOOPNZ	,S_AIPw	,0		},{L_Ibx	,O_LOOPZ	,S_AIPw	,0		},
{L_Ibx		,O_LOOP		,S_AIPw	,0		},{L_Ibx	,O_JCXZ		,S_AIPw	,0		},
{L_Ib		,O_INb		,0		,0		},{L_Ib		,O_INw		,0		,0		},
{L_Ib		,O_OUTb		,0		,0		},{L_Ib		,O_OUTw		,0		,0		},
/* 0xe8 - 0xef */
{L_Iw		,O_CALLNw	,S_AIPw	,0		},{L_Iwx	,0			,S_AIPw	,0		},
{L_Ifw		,O_JMPFw	,0		,0		},{L_Ibx	,0			,S_AIPw	,0		},
{L_REGw		,O_INb		,0		,REGI_DX},{L_REGw	,O_INw		,0		,REGI_DX},
{L_REGw		,O_OUTb		,0		,REGI_DX},{L_REGw	,O_OUTw		,0		,REGI_DX},

/* 0xf0 - 0xf7 */
{D_LOCK		,0			,0		,0		},{D_ICEBP	,0			,0		,0		},
{L_PREREPNE	,0			,0		,0		},{L_PREREP	,0			,0		,0		},
{D_HLT		,0			,0		,0		},{D_CMC	,0			,0		,0		},
{L_MODRM	,8			,0		,M_GRP	},{L_MODRM	,9			,0		,M_GRP	},
/* 0xf8 - 0xff */
{D_CLC		,0			,0		,0		},{D_STC	,0			,0		,0		},
{D_CLI		,0			,0		,0		},{D_STI	,0			,0		,0		},
{D_CLD		,0			,0		,0		},{D_STD	,0			,0		,0		},
{L_MODRM	,0xb		,0		,M_GRP	},{L_MODRM	,0xc		,0		,M_GRP	},

/* 0x100 - 0x107 */
{L_MODRM	,O_GRP6w	,S_Ew	,M_Ew	},{L_MODRM	,O_GRP7w	,S_Ew	,M_Ew	},
{L_MODRM	,O_LAR		,S_Gw	,M_EwGw	},{L_MODRM	,O_LSL		,S_Gw	,M_EwGw	},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{D_CLTS		,0			,0		,0		},{0		,0			,0		,0		},
/* 0x108 - 0x10f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x110 - 0x117 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x118 - 0x11f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x120 - 0x127 */
{L_MODRM	,O_M_Rd_CRx	,S_Ed	,0		},{L_MODRM	,O_M_Rd_DRx	,S_Ed	,0		},
{L_MODRM	,O_M_CRx_Rd	,0		,M_Ed	},{L_MODRM	,O_M_DRx_Rd	,0		,M_Ed	},
{L_MODRM	,O_M_Rd_TRx	,S_Ed	,0		},{0		,0			,0		,0		},
{L_MODRM	,O_M_TRx_Rd	,0		,M_Ed	},{0		,0			,0		,0		},

/* 0x128 - 0x12f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x130 - 0x137 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x138 - 0x13f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x140 - 0x147 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x148 - 0x14f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x150 - 0x157 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x158 - 0x15f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},

/* 0x160 - 0x167 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x168 - 0x16f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},


/* 0x170 - 0x177 */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
/* 0x178 - 0x17f */
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},
{0			,0			,0		,0		},{0		,0			,0		,0		},