On Tue, 3 Aug 1999, Andre Fachat wrote: > Marko Mäkelä wrote: > > The only unanswered question is: What is the DIAG pin on the PET user port > > used for? Can I safely program it as a '1' output and use it as a voltage > > source for the 74HCT74 chip? > > If you pull it low (I think) the Kernal does not init BASIC and > directly enters the monitor on startup. > This is true for all but the original PET. The original PET does not have the monitor. It has a built-in diagnostic routine which runs instead. - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tcm.hut.fi.
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