[Coco] [Color Computer] Original Multi-Pak

[Kevin Diggs]

Hi,

jdaggett at gate.net wrote:
> Mike 
> 
> Yes the PAL chip, 16L4, needs replacing. The COCO 1/2 uses 
> address $FF9F to write to software control slot selection. On the 
> Coco3 this address is the Horzontal OFfset register in the GIME 
> chip. The software control of the slot selection has been moved to 
> $FF7F on the Coco3.
> 

	Wasn't there also some kind of irq routing thing? Or was that optional?

					kevin