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) {
Segment seg = cpu.segs[segIndex];
if (cpu.checkIOPermissions8(cpu.r_dx.get16() & 0xffff)) StaticOpcodes.rep_outsb_a32(cpu, seg);
else throw ProcessorException.GENERAL_PROTECTION_0;
return Branch.None;
}
public Branch execute(Processor cpu) {
StaticOpcodes.rep_stosd_a32(cpu);
return Branch.None;
}
public Branch execute(Processor cpu) {
Segment seg = cpu.segs[segIndex];
StaticOpcodes.cmpsb_a32(cpu, seg);
return Branch.None;
}