At 02:08 PM 1/16/2011, you wrote: >Hello! > >W dniu 2011-01-16 20:00, Hoffmann-Vetter, Martin pisze: > > > Have you read this: http://vintagecomputer.net/browse_thread.cfm?id=194? > >Yes, but this info is also mostly speculation :-( > > > Try it! The BASIC is the same on the low profile and the high > profile. Only different version about the used memory exists. > > The Kernal is usable an both profile versions, too. It detect the > hardware (profile version) about a externaly hard jumpered pin from the tpi. > > My last info is: You must use the correct basic roms! > >OK, I will swap all the EPROMs, it's an easy task so I shouldn't find >excuses to avoid that :-) We should eliminate all possibilities. > > > That's the best idea. Becauce we know the correct requirement for > the coprocessor board. The question is, who writes this message? > The MS-DOS loader at the 6509 side or the firmware at the 8088 side? > >As far as I can see, it is written by code inside MSDOS.SYS file on the >8088 side. Now how to extract this file for disassembling... I have the listing for the 8088/6509 interprocess communications ROM, on the card. I will post it to http://vintagecomputer.net/commodore/8088_co-processor/ ..momentarily so it will be with the schematic online. Bill Message was sent through the cbm-hackers mailing listReceived on 2011-01-16 20:00:17
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