[vcf-midatlantic] VIC20 Test Cartridge

[jsalzman at gmail.com]

These are fairly cheap...

https://www.thefuturewas8bit.com/shop/cartridges-pcbs/vic-8k-16k-pcb.html

On Thu, Dec 24, 2020, 1:45 PM Richard Cini via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> First off, Happy Holidays to everyone on the list!
>
>
>
> I’m working on a VIC20 project and I know there is a Commodore-issued
> VIC20 diagnostics cartridge (I found the ROMs and instructions), but I
> haven’t found a schematic for the board, or blanks. I know Tynemouth
> Software in the UK used to make/sell them, but they no longer seem to have
> them. Does anyone have a schematic? I figure it’s probably similar to a
> RAM/ROM cartridge, but I didn’t know the addresses for the RAM. ROM I
> assume is the usual 8K blocks.
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>
>
> Thanks!
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>
>
> Rich
>
>
>
> --
>
> Rich Cini
>
> http://www.classiccmp.org/cini
>
> http://www.classiccmp.org/altair32
>
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>