> > I asume that you can turn it off?! > > Ummm.... the easiest way to do that is to remove it from the back of the > machine. We've also got a couple of other problems - programs which rely on > the R register for a random number generator, for example, won't work any > more :(
How about a switch? :) > > We're working on it - remember, this is just the protoprototype :) Sure..sure...:) > > Well, if it is undocumented you never know what the future brings. > > But my guess is that you get the result you get because the NMOS > > probably 'pulls' the databus up, whilce CMOS 'pulls' it down > > in order to make something readable. The instruction does not > > actually generate anything. > > Surely the other way around? Actually, on the Z380 that instruction takes > another operand, so you get OUT (C),n (format: ED 71 nn) Not when you (purely my theory) reset/set the data bus for each instruction in order to 'pull' up/down the bits the CPU wants to set/reset. :) > > Does Brucey know about this? > > Not yet, but then, cadging his phone number out of Chris White is like > pulling teeth without anaesthetic. Yeah, that's pretty painfull - but does that mean that you have two nurses holding you down while you'r talking to Chris White? :) -Frode
