Re: VIC-20 Mega-Cart

From: Marko Mäkelä (
Date: 2007-08-29 20:59:53

On Wed, Aug 29, 2007 at 04:03:35PM +0200, Anders Carlsson wrote:
> Marko Mäkelä wrote:
>> Can you post a link, or a summary of the hardware?
> I believe this web page is fairly up to date, but it doesn't say anything 
> about the hardware:
> No slot for a memory card unfortunately. I proposed one in the early stages 
> and got flamed (!) for doing so.

Oh, it is simple bank-switching hardware: "Ability to run up to
254 - 8K ROM based Vic-20 Cartridge games or utilities".  This smells to
me that nothing is compressed, and a 4-kilobyte cartridge will use up
8 kilobytes of ROM.  The total ROM capacity seems to be 2 MB.

The 4 MB flash on the cartridge I built can hold pretty much all Vic-20
software and cartridges.  Everything is packed tightly: there's no
wasted space on the flash.

Ah, I should finally grab myself by the horns and finish that image
generator.  I already had a working one, before I decided to implement
subdirectories in the menu firmware.  Like Jim Brain wrote, kids are a
factor too, and mine will soon need some good Vic-20 games to play with. :-)


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