On Wed, 27 Feb 2002, Cameron Kaiser wrote: > > As published by Richard Atkinson: > > > > set DDR as output > > set DR as one > > set DDR as input > > wait until DR is zero Well, I think Nicolas Welte and various others had some significant input into the technique too... > > However, because there are no known programs for the +4 which > > use this feature, it might be abandoned. > > OTOH, keeping this feature would be cool! *ahem* I executed the program on the plus/4 at the time the technique was discovered. It uses the only spare bit on the 7501/8501, of course. So there is at least one "program" that uses it... > What was this "feature" again? The faster it becomes zero, the hotter > the chip? Yes, I think that was it. There is a similar feature, although on a shorter timescale, in the oscillators of the SID chip. Richard Message was sent through the cbm-hackers mailing list
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