Re: PET II questions (P500, B128, B256)

From: Marko Mäkelä (
Date: 2001-12-12 15:02:45

On Wed, 12 Dec 2001, Nicolas Welte wrote:

> Oh, great! This means I could make full use of the software, even if I only
> have a PC64 cable?

Yes, except that the PC64 cable is not supported on machines that do not
have a user port (264 and B series).

> And with changes to the Commodore side only, every RS232 interface
> could also be supported easily, like the 6551 ports on CBM-II and
> Plus/4 or external UART/ACIA carts for the 64/128, because the serial
> interface code on the host side would stay the same?

Yes, but you might want to develop a little simpler protocol (as the
circuit won't then have a third computer (the AT90S2313 microcontroller)  
in the middle) or alter the speed (which is currently fixed to 38400 bps).


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