439 lines
12 KiB
C
439 lines
12 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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static int opMOVSB_a16(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, SI); if (abrt) return 1;
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writememb(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { DI--; SI--; }
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else { DI++; SI++; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opMOVSB_a32(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, ESI); if (abrt) return 1;
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writememb(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { EDI--; ESI--; }
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else { EDI++; ESI++; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opMOVSW_a16(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, SI); if (abrt) return 1;
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writememw(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { DI -= 2; SI -= 2; }
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else { DI += 2; SI += 2; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opMOVSW_a32(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, ESI); if (abrt) return 1;
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writememw(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { EDI -= 2; ESI -= 2; }
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else { EDI += 2; ESI += 2; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opMOVSL_a16(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, SI); if (abrt) return 1;
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writememl(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { DI -= 4; SI -= 4; }
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else { DI += 4; SI += 4; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opMOVSL_a32(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, ESI); if (abrt) return 1;
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writememl(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) { EDI -= 4; ESI -= 4; }
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else { EDI += 4; ESI += 4; }
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opCMPSB_a16(uint32_t fetchdat)
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{
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uint8_t src = readmemb(ea_seg->base, SI);
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uint8_t dst = readmemb(es, DI); if (abrt) return 1;
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setsub8(src, dst);
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if (flags & D_FLAG) { DI--; SI--; }
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else { DI++; SI++; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opCMPSB_a32(uint32_t fetchdat)
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{
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uint8_t src = readmemb(ea_seg->base, ESI);
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uint8_t dst = readmemb(es, EDI); if (abrt) return 1;
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setsub8(src, dst);
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if (flags & D_FLAG) { EDI--; ESI--; }
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else { EDI++; ESI++; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opCMPSW_a16(uint32_t fetchdat)
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{
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uint16_t src = readmemw(ea_seg->base, SI);
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uint16_t dst = readmemw(es, DI); if (abrt) return 1;
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setsub16(src, dst);
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if (flags & D_FLAG) { DI -= 2; SI -= 2; }
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else { DI += 2; SI += 2; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opCMPSW_a32(uint32_t fetchdat)
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{
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uint16_t src = readmemw(ea_seg->base, ESI);
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uint16_t dst = readmemw(es, EDI); if (abrt) return 1;
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setsub16(src, dst);
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if (flags & D_FLAG) { EDI -= 2; ESI -= 2; }
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else { EDI += 2; ESI += 2; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opCMPSL_a16(uint32_t fetchdat)
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{
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uint32_t src = readmeml(ea_seg->base, SI);
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uint32_t dst = readmeml(es, DI); if (abrt) return 1;
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setsub32(src, dst);
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if (flags & D_FLAG) { DI -= 4; SI -= 4; }
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else { DI += 4; SI += 4; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opCMPSL_a32(uint32_t fetchdat)
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{
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uint32_t src = readmeml(ea_seg->base, ESI);
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uint32_t dst = readmeml(es, EDI); if (abrt) return 1;
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setsub32(src, dst);
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if (flags & D_FLAG) { EDI -= 4; ESI -= 4; }
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else { EDI += 4; ESI += 4; }
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CLOCK_CYCLES((is486) ? 8 : 10);
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return 0;
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}
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static int opSTOSB_a16(uint32_t fetchdat)
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{
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writememb(es, DI, AL); if (abrt) return 1;
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if (flags & D_FLAG) DI--;
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else DI++;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opSTOSB_a32(uint32_t fetchdat)
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{
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writememb(es, EDI, AL); if (abrt) return 1;
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if (flags & D_FLAG) EDI--;
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else EDI++;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opSTOSW_a16(uint32_t fetchdat)
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{
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writememw(es, DI, AX); if (abrt) return 1;
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if (flags & D_FLAG) DI -= 2;
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else DI += 2;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opSTOSW_a32(uint32_t fetchdat)
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{
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writememw(es, EDI, AX); if (abrt) return 1;
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if (flags & D_FLAG) EDI -= 2;
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else EDI += 2;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opSTOSL_a16(uint32_t fetchdat)
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{
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writememl(es, DI, EAX); if (abrt) return 1;
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if (flags & D_FLAG) DI -= 4;
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else DI += 4;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opSTOSL_a32(uint32_t fetchdat)
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{
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writememl(es, EDI, EAX); if (abrt) return 1;
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if (flags & D_FLAG) EDI -= 4;
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else EDI += 4;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opLODSB_a16(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, SI); if (abrt) return 1;
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AL = temp;
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if (flags & D_FLAG) SI--;
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else SI++;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opLODSB_a32(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, ESI); if (abrt) return 1;
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AL = temp;
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if (flags & D_FLAG) ESI--;
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else ESI++;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opLODSW_a16(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, SI); if (abrt) return 1;
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AX = temp;
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if (flags & D_FLAG) SI -= 2;
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else SI += 2;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opLODSW_a32(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, ESI); if (abrt) return 1;
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AX = temp;
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if (flags & D_FLAG) ESI -= 2;
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else ESI += 2;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opLODSL_a16(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, SI); if (abrt) return 1;
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EAX = temp;
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if (flags & D_FLAG) SI -= 4;
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else SI += 4;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opLODSL_a32(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, ESI); if (abrt) return 1;
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EAX = temp;
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if (flags & D_FLAG) ESI -= 4;
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else ESI += 4;
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CLOCK_CYCLES(5);
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return 0;
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}
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static int opSCASB_a16(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(es, DI); if (abrt) return 1;
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setsub8(AL, temp);
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if (flags & D_FLAG) DI--;
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else DI++;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opSCASB_a32(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(es, EDI); if (abrt) return 1;
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setsub8(AL, temp);
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if (flags & D_FLAG) EDI--;
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else EDI++;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opSCASW_a16(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(es, DI); if (abrt) return 1;
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setsub16(AX, temp);
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if (flags & D_FLAG) DI -= 2;
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else DI += 2;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opSCASW_a32(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(es, EDI); if (abrt) return 1;
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setsub16(AX, temp);
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if (flags & D_FLAG) EDI -= 2;
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else EDI += 2;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opSCASL_a16(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(es, DI); if (abrt) return 1;
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setsub32(EAX, temp);
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if (flags & D_FLAG) DI -= 4;
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else DI += 4;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opSCASL_a32(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(es, EDI); if (abrt) return 1;
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setsub32(EAX, temp);
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if (flags & D_FLAG) EDI -= 4;
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else EDI += 4;
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CLOCK_CYCLES(7);
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return 0;
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}
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static int opINSB_a16(uint32_t fetchdat)
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{
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uint8_t temp;
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check_io_perm(DX);
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temp = inb(DX);
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writememb(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) DI--;
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else DI++;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opINSB_a32(uint32_t fetchdat)
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{
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uint8_t temp;
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check_io_perm(DX);
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temp = inb(DX);
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writememb(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) EDI--;
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else EDI++;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opINSW_a16(uint32_t fetchdat)
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{
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uint16_t temp;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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temp = inw(DX);
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writememw(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) DI -= 2;
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else DI += 2;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opINSW_a32(uint32_t fetchdat)
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{
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uint16_t temp;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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temp = inw(DX);
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writememw(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) EDI -= 2;
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else EDI += 2;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opINSL_a16(uint32_t fetchdat)
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{
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uint32_t temp;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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temp = inl(DX);
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writememl(es, DI, temp); if (abrt) return 1;
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if (flags & D_FLAG) DI -= 4;
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else DI += 4;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opINSL_a32(uint32_t fetchdat)
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{
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uint32_t temp;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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temp = inl(DX);
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writememl(es, EDI, temp); if (abrt) return 1;
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if (flags & D_FLAG) EDI -= 4;
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else EDI += 4;
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CLOCK_CYCLES(15);
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return 0;
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}
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static int opOUTSB_a16(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, SI); if (abrt) return 1;
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check_io_perm(DX);
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if (flags & D_FLAG) SI--;
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else SI++;
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outb(DX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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static int opOUTSB_a32(uint32_t fetchdat)
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{
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uint8_t temp = readmemb(ea_seg->base, ESI); if (abrt) return 1;
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check_io_perm(DX);
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if (flags & D_FLAG) ESI--;
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else ESI++;
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outb(DX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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static int opOUTSW_a16(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, SI); if (abrt) return 1;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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if (flags & D_FLAG) SI -= 2;
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else SI += 2;
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outw(DX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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static int opOUTSW_a32(uint32_t fetchdat)
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{
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uint16_t temp = readmemw(ea_seg->base, ESI); if (abrt) return 1;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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if (flags & D_FLAG) ESI -= 2;
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else ESI += 2;
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outw(DX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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static int opOUTSL_a16(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, SI); if (abrt) return 1;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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if (flags & D_FLAG) SI -= 4;
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else SI += 4;
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outl(EDX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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static int opOUTSL_a32(uint32_t fetchdat)
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{
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uint32_t temp = readmeml(ea_seg->base, ESI); if (abrt) return 1;
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check_io_perm(DX);
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check_io_perm(DX + 1);
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check_io_perm(DX + 2);
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check_io_perm(DX + 3);
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if (flags & D_FLAG) ESI -= 4;
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else ESI += 4;
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outl(EDX, temp);
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CLOCK_CYCLES(14);
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return 0;
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}
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