ruud.baltissen_at_apg.nl
Date: 2008-03-18 14:18:43
Hallo allemaal,
I found some old Z80 operated printer buffers. These are nothing more
then a Z80 CPU, some I/O to communicate with the printer(s) and the
attached computers, quite some RAM (256 KB IIRC) and the needed
glue-logic. I lately also got a CP/M box for the BBC. This is nothing
more then a 6522 and all the things mentioned above (although only 64 KB
RAM).
Attaching a 6522 (or 6526) to whatever Commodore shouldn't be a problem.
Finding a printer buffer with a Z80 could be a problem. But IMHO an old
obselete MSX or CPC-64/128 can do the trick as well. The advantage of
such a system is that during debugging messages can be displayed on the
screen.
Next step is the software of course: a BIOS for the Z80 part and a
driver (by lack of another name) for the 6502. Maybe I can take the BIOS
of the BBC-Z80 card as base.
Is there any interest in this?
And don't worry, I first finish 1541IDE :)
--
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/ __|__
/ / |_/ Groetjes, Ruud
\ \__|_\
\___| URL: Ruud.C64.org
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