Re: Strange 8255 behavior

Mia Magnusson wrote:

> I assume the intention is to replace the 8255 and the 6526 with two
> 6522's.

No, the 6522 has two I/O ports and you need three on the  8088 side.
That's why a 6525 was used originally and why we chose 8255 to replace
it. You would need TWO 6522's to replace one 8255 in this situation,
that looks like an overkill.

Regards,
Michau.