On Aug 27, 11:36=A0am, BLuRry  wrote:
> > For sending, anything over 4 cycles won't work, so receiving is
> > probably moot. =A0(Oh, and 65C02 instructions are illegal. =A0;-)
>
> You say that a lot about 65C02, but the target in this case IS a //c
> after all. =A0:-D =A0 I think that in this one case it's a forgivable
> sin. =A0But, as you say, if 6 cycles is too slow then the serial port
> idea is a non-starter. =A0Oh well, it was worth a shot!

Given that STY,STX,STA are also 4 cycle instructions there's no need
for STZ in this case. All one has to do is ensure
one of the index registers contains a zero in critical part of the
polling loop, which is probably not a big issue.

Matt
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