[Coco] MPI help needed

Bill Nobel b_nobel at hotmail.com
Tue Jun 10 23:37:37 EDT 2014


Yes, now I remember Gene.  It was only read at power up, then it was physical switch/power cycle or the poke/exec.

Bill Nobel

On Jun 10, 2014, at 9:25 PM, Gene Heskett <gheskett at wdtv.com> wrote:

> On Tuesday 10 June 2014 22:59:12 Bill Nobel did opine
> And Gene did reply:
>> That would suggest the switch itself to me, as the slot doesn’t seem to
>> switch.
>> 
>> Bill Nobel
> 
> Bill, Tony;
> 
> I have been under the impression, could well be wrong, that the switch is 
> read only at power up. What happens if the switch is moved and the power 
> is cycled?  Otherwise you have to poke $FF7F, with $00 for slot 1, $11 for 
> slot 2, $22 for slot 3, and $33 for slot 4.  IIRC you should be able to 
> read back what you wrote to $FF7F.
> 
> In that unmodified one, it will also ghost to $FF9F, which is in the GIME 
> image of a coco3.  Near instant crash. :(
>> 
>> On Jun 10, 2014, at 8:47 PM, tonym <tonym at compusource.net> wrote:
>>> OK gents...
>>> 
>>> Need an assist... Pulled out an old grey -3024 (not yet modified) out
>>> of the mothballs. Plugged it in, into a coco3. Can't get anything
>>> but slot 1 to work, no matter WHAT slot the switch is on.
>>> 
>>> Using a rompak, tried all 4 slot, using their respective switch
>>> position, only slot 1 worked.
>>> 
>>> Putting switch on slot 2, pak works in slot 1, same thing for switch
>>> to slot 3, slot 1 works, same with switch set to slot 4, slot 1
>>> works.
>>> 
>>> Any ideas?
>>> 
>>> Tony
>>> tonym at compusource.net
> 
> 
> Cheers, Gene Heskett
> -- 
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