8251 troubles

dwight elvey dkelvey at hotmail.com
Tue Apr 29 19:49:41 CDT 2008


Hi
 Plugged in a new 8251A and exactly the same problem.
I'm wondering if the DI instruction is not working
and it is just overflowing the interrupts. I can try swapping
the 8080. I can also try putting some dummy code in there
to see if it dies over some time.
 Still a strange problem.
Dwight
 
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