On 3/30/2012 2:37 PM, Ingo Korb wrote: [rant snipped] > > If you want to figure out what the CPU actually does I recommend adding > a few of the lowest address lines (A0-A2 should be enough, A0-A3 are a > bit more convenient) to the logic analyzer trace and possibly SYNC to > see which cycles are instruction fetches. Tracing IRQ may show if the > interrupt is accidentally cleared before it is handeled - but the only > access to $1801 in a stock rom is in the subroutine that sets $7c and I > really hope you're not experimenting with a drive with any kind of > parallel speeder in it. I'll see about adding the traces to the output. The resulting output will no doubt be too large for a screen shot, so I'll have to figure out another way to show the information. Jim Message was sent through the cbm-hackers mailing listReceived on 2012-03-31 00:00:22
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