Hello, * On Sun, Dec 11, 2011 at 09:09:17PM +0100 Gerrit Heitsch wrote: > On 12/11/2011 08:52 PM, Segher Boessenkool wrote: > >Interesting! I suspect that is an 8520 actually... Can you test that? > > It's soldered to a C64 mainboard and behaves like a 6526A as far as > the software goes. The 8520 doesn't have the RTC but a 24Bit timer > instead as far as I know, so I think you'd notice if you tried to > use a 8520 instead of a 6526. Not if you do not use any program that uses the TOD. And there are not many that do. The KERNAL does not use the TOD at all. > >Supposedly they also did an 852x that has only the low four ports (or > >the rest is not functional, anyway), i.e. the two parallel ports only; > >it was called something like 5210 (I forgot the exact name, and cannot > >find it anymore). > > 5710 if I remember right. The 5710 from the 128DCR (and 1571CR)? That's more than a stripped-down 6526, as it also contains "an equivalent" (well, or so...) of the WD1770/1772 for MFM access. Regards, Spiro. -- Spiro R. Trikaliotis http://opencbm.sf.net/ http://www.trikaliotis.net/ http://vice-emu.sf.net/ Message was sent through the cbm-hackers mailing listReceived on 2011-12-11 21:00:25
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