On Sun, Aug 07, 2016 at 02:34:16PM +0200, Gerrit Heitsch wrote: > >>It depends on what the capacitance is, and how big the leakage is. > >>You're much more likely looking at milliseconds instead of nanoseconds. > > > >For what it's worth, I made a scope plot of A15 and CLK0 on a running > >machine. You can see it here: > > > >http://i64.tinypic.com/wb786b.jpg > > > >It looks strange - sometimes A15 looks as if pulled high during VIC > >access, and someimes not. I don't know what to make of it. > > The 6703 is not a PLA as the 82S100, so in theory, MOS could make some > of the inpute bidirectional. Like use A15 as an input when the CPU has > the bus and drive it high or low when the VIC has the bus. I doubt it does though. Let's have some die pictures, some of us would love to see those anyway ;-) Segher Message was sent through the cbm-hackers mailing listReceived on 2016-08-07 18:00:50
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