piclist 2002\10\12\003650a >
Thread: "Mirror image" a byte
face BY : Wagner Lipnharski email (remove spam text)

M. Adam Davis wrote:
> Just be aware of timing issues.
> IIRC, port reads are done at an early cycle, while writes are done at
> the end.
> Depending on the speed you may need a nop in there.
> -Adam
> Jan-Erik Soderholm wrote:

So you mean that Microchip probably invented the "time machine"?
You can read in the port output echoed much before you actually put data


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