[cc65] RS232 driver for the Plus/4

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From: Ullrich von Bassewitz (uz_at_musoftware.de)
Date: 2003-12-14 23:11:50


Good evening!

Does anybody possess a Plus/4 with a RS232 adapter? I've written a RS232
driver for the Plus/4 but I'm not able to test it, because I don't have the
necessary adapter. Most of the code is taken from the C64/C128 Swiftlink
driver which works, so chances are good that the Plus/4 driver will also work.
But of course it would be nice to prove it:-)

Or, does anybody know how to build the necessary adapter? The 6551 ACIA is
built into the machine, but the levels are not right as far as I can say from
looking at the schematics. A MAX232 or similar should be able to fix that.
Anything already finished out there, or do I have to develop my own?

Regards


        Uz


-- 
Ullrich von Bassewitz                                  uz_at_musoftware.de
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