public void exec() {
UnsignedNumber pc = cpu.getReg(Reg.PC);
UnsignedNumber op = extended();
UnsignedNumber sp = cpu.getReg(Reg.SP);
sp.sub(2);
mem.write(sp, pc);
pc.setVal((op).getVal());
}
@Override
public int compareTo(UnsignedNumber other) {
int otherValue = other.intValue();
if (value > otherValue) {
return 1;
} else if (value < otherValue) {
return -1;
}
return 0;
}