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];
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];
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];
op1.set16((short) op2.get16(cpu));
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;
}