> My original program is indeed assembly, but much more complex. I > thought a nice short BASIC program might reveal my problem more > clearly. Here's the identical program in assembly -- with the exact > same results. I have a multimeter sitting on the CA1 line, so I can > see it go high->low, and also see the lack of activity. > > *=$1000lda#<NMIH sta$94lda#>NMIH > sta$95lda#0sta$e84dlda#$82sta$e84eNOSP jsr$ffe1bneNOSP rtsNMIH > inc$8000rti Sorry, I'm typo-ing all over my emails today. The $ea4e should be $e84e. I had it right in the code I'm running though, so again-- I don't understand why my screen character does not change. Thanks again, - BoReceived on 2023-05-04 02:00:48
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