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) {
op1.set8(cpu, (byte) ~op1.get8(cpu));
return Branch.None;
}