[Coco] A cartridge to hack

Mark McDougall msmcdoug at iinet.net.au
Thu Sep 20 19:50:03 EDT 2012


On 21/09/2012 9:44 AM, Mark McDougall wrote:

> It's designed to take 16K/32KB via a jumper
> setting.

OK now I recall a few more details...

There's a jumper for auto-start, another for selecting 16KB/32KB ROM decode 
size. The EEPROM itself should be 27C256/512 (32/64KB) so you can have up to 
4 different 16KB images, or 2 different 32KB images on the device, 
selectable via dipswitch.

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"



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