public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; cpu.of = cpu.af = cpu.cf = false; cpu.flagResult = (op1.get32() & immd); cpu.flagStatus = SZP; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; Reg op2 = cpu.regs[op2Index]; cpu.zf(cpu.zf()); cpu.cf(((op1.get16() & (1 << (op2.get16() & (16 - 1)))) != 0)); return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; cpu.of = cpu.af = cpu.cf = false; cpu.flagResult = (byte) (op1.get8() ^ op2.get8(cpu)); op1.set8((byte) cpu.flagResult); cpu.flagStatus = SZP; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; if (op2.get16(cpu) == 0) { cpu.zf(true); } else { cpu.zf(false); op1.set16(31 - StaticOpcodes.numberOfLeadingZeros(0xFFFF & op2.get16(cpu))); } return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; cpu.flagOp1 = op1.get32(); cpu.flagOp2 = op2.get32(cpu); cpu.flagResult = (cpu.flagOp1 - cpu.flagOp2); op1.set32(cpu.flagResult); cpu.flagIns = UCodes.SUB32; cpu.flagStatus = OSZAPC; return Branch.None; }
public Branch execute(Processor cpu) { Reg op2 = cpu.regs[op2Index]; int add = (cpu.cf() ? 1 : 0); cpu.flagOp1 = op1.get8(cpu); cpu.flagOp2 = op2.get8(); cpu.flagResult = (byte) (cpu.flagOp1 - (cpu.flagOp2 + add)); op1.set8(cpu, (byte) cpu.flagResult); cpu.flagIns = UCodes.SBB8; cpu.flagStatus = OSZAPC; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; Reg op2 = cpu.regs[op2Index]; cpu.flagOp1 = (byte) op1.get8(); cpu.flagOp2 = (byte) op2.get8(); cpu.flagResult = (byte) (cpu.flagOp1 + cpu.flagOp2); op1.set8((byte) cpu.flagResult); cpu.flagIns = UCodes.ADD8; cpu.flagStatus = OSZAPC; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; Reg op2 = cpu.regs[op2Index]; boolean incf = cpu.cf(); cpu.flagOp1 = op1.get8(); cpu.flagOp2 = op2.get8(); cpu.flagResult = (byte) (cpu.flagOp1 + cpu.flagOp2 + (incf ? 1 : 0)); op1.set8((byte) cpu.flagResult); cpu.flagIns = UCodes.ADC8; cpu.flagStatus = OSZAPC; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; boolean incf = Processor.getCarryFlag( cpu.flagStatus, cpu.cf, cpu.flagOp1, cpu.flagOp2, cpu.flagResult, cpu.flagIns); cpu.flagOp1 = op1.get16(); cpu.flagOp2 = immb; cpu.flagResult = (short) (cpu.flagOp1 + cpu.flagOp2 + (incf ? 1 : 0)); op1.set16((short) cpu.flagResult); cpu.flagIns = UCodes.ADC16; cpu.flagStatus = OSZAPC; return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; int iop1 = (short) op1.get16(); int iop2 = (short) cpu.r_eax.get16(); int res32 = (((int) (short) iop1) * ((short) iop2)); cpu.r_eax.set16((short) res32); cpu.r_edx.set16((short) (res32 >> 16)); cpu.setOSZAPC_Logic16(res32); if (res32 != (short) res32) { cpu.of(true); cpu.cf(true); } return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; Reg op2 = cpu.regs[op2Index]; int bit = 1 << (op2.get16() & (16 - 1)); cpu.cf = (0 != (op1.get16() & bit)); cpu.flagStatus &= NCF; op1.set16((short) (op1.get16() & ~bit)); return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; op1.set16((short) op2.get16(cpu)); return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; int tmp = op2.get32(cpu); if (!cpu.sf()) op1.set32(tmp); return Branch.None; }
public Branch execute(Processor cpu) { Reg op1 = cpu.regs[op1Index]; Segment seg = cpu.segs[segIndex]; op1.set16((short) seg.getSelector()); return Branch.None; }