Quote Originally Posted by BobK View Post
Hello,

I too am not an assembly language user but shouldn't there be some sort of delay (250ms at least)after the LED is turned on and another delay (250ms) after it is turned off so you can actually see the LED changing states?

BobK
Yes - that is why I asked

Did the LED not light or did it stay on?
without the delays, if the OP's code was working the LED would appear to the eye as stuck on

I have asked twice.