[Coco] CoCoNet status
operator at coco3.com
Sun Dec 7 12:55:51 EST 2008
At 05:55 AM 12/7/2008, you wrote:
>On Sat, 6 Dec 2008, Roger Taylor wrote:
> > Btw, CoCoNet was just ROM'ed 5 minutes ago. The CoCo powers up
> > CoCoNet READY! The ROM is in an EPROM Pak and no real floppy
> > controller is connected. Problem is, it's a 27128 16K EPROM, so I'm
> > not sure if this would work in a CoCo 3.
>If you need to have Super Extended Basic available on the CoCo 3, you can use
>the same approach I used for Extended ADOS-3, which resides in a 27128. When
>you need to call a ROM routine that is in the upper 8K of your
>EPROM, you switch
>to ROM mode first, and switch back to ROM/RAM mode on the return from the
>routine (to somewhere not in the upper 8K) to re-enable Super Ext. Basic.
>(Have your ROM test whether it is running on a CoCo 3 during
>do this only if a CoCo 3 is being used.)
It seems like this should work on any CoCo using the same code. Is
there a reason why I should check whether it's a CoCo 3 or not? I
can understand if I'm having to use the GIME to do internal/external
ROM switching and so forth to access the upper 16K of my ROM then
CoCo 1,2 <> 3 checking might be necessary.
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