Re: Commodore 8296GD

OK, after a quick look ath the ROM dump (had to download it via CBMLINK,
as my programmer does not read 2532's), I was able to play with the board.

First, the board needs to be initialized by:

SYS 36864

Then, all the standard commands from other PET/CBM-II graphics bards
work, i.e. DISPLAY, PLOT, MAP and so on.

The board has 512x256 resolution.

Regards,
Michau


Michał Pleban wrote:
> Dear all,
> 
>>From time to time I collect 8296D computers at eBay, mostly to strip
> internal drives from them for my 700's :-)
> 
> Today I repaired one 700, so I went to a 8296D which has been sitting
> idle for many months to strip the drive. Upon opening it, I saw an
> additional board attached to the motherboard, piggybacked on the CRTC
> and character ROM.
> 
>>From a short mention on Andre Fachat's website I reckon it must be the
> 8296GD cariant, with a hi-res graphics adapter. The "adapter" is
> actually just a small board with a 6545, EPROM, 8 TTL chips and 4
> DIP-switches.
> 
> There are these ROMs in this machine:
> 
> 324243-04 8296D DIN
> 324993-02 HiRes BASIC
> 324992-02 HiRes Emulator
> 824242-01 DIN8296/8296D (in the video board)
> 
> The computer powers up, emitting strange beeps from the buzzer, and
> displays standard BASIC 4.0 welcome message. The keyboard has some keys
> missing unfortunately.
> 
> I haven't been able to find any documentation on this graphics card and
> I don't know how to utilize it from the BASIC. I will dump the ROMs and
> try to look at them, but maybe someone has documentation scanned which I
> could look at?
> 
> Regards,
> Michau.
> 
> 
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> 


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