On 15/06/2018 04:52, Jim Brain wrote: > If I am reading the datasheet correctly, it can supply 100mA of power > to the !NMI line to pull it high, so I assume this circuit just > overwhelms the NMOS driver to ground. If I am correct, that does not > sound healthy to a CIA. It's obviously out of spec, but the question is whether the output FET will suffer damage. The spirit of commodore 8 bits is to ignore the assumed rules and do what works. The ESM button works & I've never seen a warning about it. Although I accept that pressing the button is a relatively rare event.Received on 2018-06-15 10:00:17
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