Re: UltiMax schematics

From: Anders Carlsson (anders.carlsson_at_sfks.se)
Date: 2008-11-28 13:53:54

Marko Mäkelä wrote:

> I seem to remember that some early 8k game cartridges from Commodore Japan
> are actually Ultimax cartridges.  If memory serves, these would include
> Gorf, Slalom, Jupiter Lander, and Radar Rat Race.

I believe Handic issued their own C64 edition of Radar Rat Race, which 
happens to be the UltiMAX version rather than the C64 version later sold by 
Commodore. On the other hand, just because the ROM contents equals a MAX 
game doesn't mean the cartridge electronically would work the same. 
Unfortunately I don't own neither.

Perhaps I don't understand all the finer electronical details, but if 
somebody owns a UltiMAX machine to play around with, couldn't one build your 
own cartridge as according to the memory layout? Then see what it takes to 
make it bootable: whether the CIA line should be shorted or not. I get a 
feeling genuine MAX cartridges are even less common than the machine itself.

Best regards

-- 
Anders Carlsson


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