MZ-80K displaying garbage chars on screen

S_U_C
Posts: 46
Joined: Sun Feb 17, 2019 6:41 pm

Re: MZ-80K displaying garbage chars on screen

Post by S_U_C »

You reported that pin 26 is low, look at the power on reset circuit.
The Z80 only needs a short low pulse to reset itself.
It must he high for the Z80 to run.
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