Re: New CBM-II discoveries

From: Steve Gray <*sjgray_at_rogers.com*> Date: Tue, 26 Jun 2018 18:55:26 +0000 (UTC) Message-ID: <1596928352.2868703.1530039326926@mail.yahoo.com> · sjgray_at_rogers.com

The schematic says 6523 or 6525. Can you not replace these with the D8255 chip like was done on the 8088 card?
I agree, we should clone it first then modify.
Steve

      From: smf <smf@null.net>
 To: cbm-hackers@musoftware.de 
 Sent: Tuesday, June 26, 2018 8:01 AM
 Subject: Re: New CBM-II discoveries

On 26/06/2018 05:52, vossi wrote:
> A problem is the 6523 - Its very hard to find.
> It is only available from mos!

The EF9365 is only available from thomson.

I'd be tempted to try to build one that is 1:1 based on the schematic, 
write software for it and then if there is demand for more then just use 
a cpld/fpga containing everything.