563 lines
14 KiB
C
563 lines
14 KiB
C
static int opMOV_AL_imm(uint32_t fetchdat)
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{
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AL = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_AH_imm(uint32_t fetchdat)
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{
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AH = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_BL_imm(uint32_t fetchdat)
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{
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BL = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_BH_imm(uint32_t fetchdat)
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{
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BH = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_CL_imm(uint32_t fetchdat)
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{
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CL = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_CH_imm(uint32_t fetchdat)
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{
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CH = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_DL_imm(uint32_t fetchdat)
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{
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DL = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_DH_imm(uint32_t fetchdat)
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{
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DH = getbytef();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_AX_imm(uint32_t fetchdat)
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{
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AX = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_BX_imm(uint32_t fetchdat)
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{
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BX = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_CX_imm(uint32_t fetchdat)
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{
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CX = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_DX_imm(uint32_t fetchdat)
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{
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DX = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_SI_imm(uint32_t fetchdat)
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{
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SI = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_DI_imm(uint32_t fetchdat)
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{
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DI = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_BP_imm(uint32_t fetchdat)
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{
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BP = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_SP_imm(uint32_t fetchdat)
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{
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SP = getwordf();
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_EAX_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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EAX = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_EBX_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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EBX = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_ECX_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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ECX = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_EDX_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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EDX = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_ESI_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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ESI = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_EDI_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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EDI = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_EBP_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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EBP = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_ESP_imm(uint32_t fetchdat)
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{
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uint32_t templ = getlong(); if (abrt) return 0;
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ESP = templ;
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_b_imm_a16(uint32_t fetchdat)
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{
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uint8_t temp;
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fetch_ea_16(fetchdat);
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temp = readmemb(cs,pc); pc++; if (abrt) return 0;
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seteab(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_b_imm_a32(uint32_t fetchdat)
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{
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uint8_t temp;
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fetch_ea_32(fetchdat);
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temp = getbyte(); if (abrt) return 0;
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seteab(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_w_imm_a16(uint32_t fetchdat)
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{
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uint16_t temp;
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fetch_ea_16(fetchdat);
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temp = getword(); if (abrt) return 0;
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seteaw(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_w_imm_a32(uint32_t fetchdat)
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{
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uint16_t temp;
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fetch_ea_32(fetchdat);
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temp = getword(); if (abrt) return 0;
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seteaw(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_l_imm_a16(uint32_t fetchdat)
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{
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uint32_t temp;
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fetch_ea_16(fetchdat);
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temp = getlong(); if (abrt) return 0;
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seteal(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_l_imm_a32(uint32_t fetchdat)
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{
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uint32_t temp;
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fetch_ea_32(fetchdat);
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temp = getlong(); if (abrt) return 0;
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seteal(temp);
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cycles -= timing_rr;
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return 0;
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}
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static int opMOV_AL_a16(uint32_t fetchdat)
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{
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uint16_t addr = getwordf();
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uint8_t temp = readmemb(ds, addr); if (abrt) return 0;
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AL = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_AL_a32(uint32_t fetchdat)
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{
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uint32_t addr = getlong();
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uint8_t temp = readmemb(ds, addr); if (abrt) return 0;
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AL = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_AX_a16(uint32_t fetchdat)
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{
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uint16_t addr = getwordf();
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uint16_t temp = readmemw(ds, addr); if (abrt) return 0;
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AX = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_AX_a32(uint32_t fetchdat)
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{
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uint32_t addr = getlong();
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uint16_t temp = readmemw(ds, addr); if (abrt) return 0;
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AX = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_EAX_a16(uint32_t fetchdat)
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{
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uint16_t addr = getwordf(); if (abrt) return 0;
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uint32_t temp = readmeml(ds, addr); if (abrt) return 0;
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EAX = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_EAX_a32(uint32_t fetchdat)
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{
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uint32_t addr = getlong(); if (abrt) return 0;
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uint32_t temp = readmeml(ds, addr); if (abrt) return 0;
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EAX = temp;
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cycles -= (is486) ? 1 : 4;
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return 0;
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}
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static int opMOV_a16_AL(uint32_t fetchdat)
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{
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uint16_t addr = getwordf();
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writememb(ds, addr, AL);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opMOV_a32_AL(uint32_t fetchdat)
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{
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uint32_t addr = getlong();
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writememb(ds, addr, AL);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opMOV_a16_AX(uint32_t fetchdat)
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{
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uint16_t addr = getwordf();
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writememw(ds, addr, AX);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opMOV_a32_AX(uint32_t fetchdat)
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{
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uint32_t addr = getlong();
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writememw(ds, addr, AX);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opMOV_a16_EAX(uint32_t fetchdat)
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{
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uint16_t addr = getwordf();
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writememl(ds, addr, EAX);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opMOV_a32_EAX(uint32_t fetchdat)
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{
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uint32_t addr = getlong();
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writememl(ds, addr, EAX);
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cycles -= (is486) ? 1 : 2;
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return 0;
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}
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static int opLEA_w_a16(uint32_t fetchdat)
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{
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fetch_ea_16(fetchdat);
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ILLEGAL_ON(mod == 3);
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regs[reg].w = eaaddr;
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cycles -= timing_rr;
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return 0;
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}
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static int opLEA_w_a32(uint32_t fetchdat)
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{
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fetch_ea_32(fetchdat);
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ILLEGAL_ON(mod == 3);
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regs[reg].w = eaaddr;
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cycles -= timing_rr;
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return 0;
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}
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static int opLEA_l_a16(uint32_t fetchdat)
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{
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fetch_ea_16(fetchdat);
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ILLEGAL_ON(mod == 3);
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regs[reg].l = eaaddr & 0xffff;
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cycles -= timing_rr;
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return 0;
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}
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static int opLEA_l_a32(uint32_t fetchdat)
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{
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fetch_ea_32(fetchdat);
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ILLEGAL_ON(mod == 3);
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regs[reg].l = eaaddr;
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cycles -= timing_rr;
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return 0;
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}
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int opXLAT_a16(uint32_t fetchdat)
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{
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uint32_t addr = (BX + AL)&0xFFFF;
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uint8_t temp = readmemb(ds, addr); if (abrt) return 0;
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AL = temp;
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cycles -= 5;
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return 0;
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}
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int opXLAT_a32(uint32_t fetchdat)
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{
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uint32_t addr = EBX + AL;
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uint8_t temp = readmemb(ds, addr); if (abrt) return 0;
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AL = temp;
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cycles -= 5;
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return 0;
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}
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static int opMOV_b_r_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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setr8(fetchdat & 7, getr8((fetchdat >> 3) & 7));
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_16(fetchdat);
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seteab(getr8(reg));
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_b_r_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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setr8(fetchdat & 7, getr8((fetchdat >> 3) & 7));
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_32(fetchdat);
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seteab(getr8(reg));
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_w_r_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[fetchdat & 7].w = regs[(fetchdat >> 3) & 7].w;
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_16(fetchdat);
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seteaw(regs[reg].w);
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_w_r_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[fetchdat & 7].w = regs[(fetchdat >> 3) & 7].w;
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_32(fetchdat);
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seteaw(regs[reg].w);
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_l_r_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[fetchdat & 7].l = regs[(fetchdat >> 3) & 7].l;
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_16(fetchdat);
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seteal(regs[reg].l);
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_l_r_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[fetchdat & 7].l = regs[(fetchdat >> 3) & 7].l;
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cycles -= timing_rr;
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}
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else
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{
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fetch_ea_32(fetchdat);
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seteal(regs[reg].l);
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cycles -= is486 ? 1 : 2;
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}
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return 0;
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}
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static int opMOV_r_b_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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setr8((fetchdat >> 3) & 7, getr8(fetchdat & 7));
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cycles -= timing_rr;
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}
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else
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{
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uint8_t temp;
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fetch_ea_16(fetchdat);
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temp = geteab(); if (abrt) return 0;
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setr8(reg, temp);
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cycles -= is486 ? 1 : 4;
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}
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return 0;
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}
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static int opMOV_r_b_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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setr8((fetchdat >> 3) & 7, getr8(fetchdat & 7));
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cycles -= timing_rr;
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}
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else
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{
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uint8_t temp;
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fetch_ea_32(fetchdat);
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temp = geteab(); if (abrt) return 0;
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setr8(reg, temp);
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cycles -= is486 ? 1 : 4;
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}
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return 0;
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}
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static int opMOV_r_w_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[(fetchdat >> 3) & 7].w = regs[fetchdat & 7].w;
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cycles -= timing_rr;
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}
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else
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{
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uint16_t temp;
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fetch_ea_16(fetchdat);
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temp = geteaw(); if (abrt) return 0;
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regs[reg].w = temp;
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cycles -= (is486) ? 1 : 4;
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}
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return 0;
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}
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static int opMOV_r_w_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[(fetchdat >> 3) & 7].w = regs[fetchdat & 7].w;
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cycles -= timing_rr;
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}
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else
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{
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uint16_t temp;
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fetch_ea_32(fetchdat);
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temp = geteaw(); if (abrt) return 0;
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regs[reg].w = temp;
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cycles -= (is486) ? 1 : 4;
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}
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return 0;
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}
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static int opMOV_r_l_a16(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[(fetchdat >> 3) & 7].l = regs[fetchdat & 7].l;
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cycles -= timing_rr;
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}
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else
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{
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uint32_t temp;
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fetch_ea_16(fetchdat);
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temp = geteal(); if (abrt) return 0;
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regs[reg].l = temp;
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cycles -= is486 ? 1 : 4;
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}
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return 0;
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}
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static int opMOV_r_l_a32(uint32_t fetchdat)
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{
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if ((uint8_t)fetchdat >= 0xc0)
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{
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pc++;
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regs[(fetchdat >> 3) & 7].l = regs[fetchdat & 7].l;
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cycles -= timing_rr;
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}
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else
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{
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uint32_t temp;
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fetch_ea_32(fetchdat);
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temp = geteal(); if (abrt) return 0;
|
|
regs[reg].l = temp;
|
|
cycles -= is486 ? 1 : 4;
|
|
}
|
|
return 0;
|
|
}
|