[Coco] MPI problem or ...???

[Brian Blake]

Okay,

Had a little extra time so here's what I got from the PEEK:

126
126
64
64
126
126
126
126
126
126

I got the same results with and without the MPI plugged in. I think the power supply is the issue. Late last night I woke up and heard a 'humming' sound. After stunbling around for a few minutes, I unplugged the MPI and it went away.

Anybody know if there's a service manual for this unit? It's a 26-3024...

Again, thanks for all the help,

Brian



----- Original Message ----
From: Robert Gault <robert.gault at worldnet.att.net>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Tuesday, June 19, 2007 11:42:33 PM
Subject: Re: [Coco] MPI problem or ...???


Brian Blake wrote:
> okay, also did a PRINT &HFF90 thru 99 and got 65424 - 433 as the results with and without the MPI connected...
> 
> 
> Brian

Brian,

You don't want to print the value of $FF90 but the contents. The Basic 
commands would be
10 FOR M=&HFF90 TO &HFF99
20 PRINT PEEK(M):NEXT

That will give you the contents of the GIME I/O region. The values with 
and without an MPI need to match.

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