2 ms·
The Z80 clock input could bit the unwary due to its non-TTL level thresholds. Look at the schematic for the TRS-80 on how they handled the drive.
by rpaddock 2y ago
The Z80 clock input could bit the unwary due to its non-TTL level thresholds.
Look at the schematic for the TRS-80 on how they handled the drive.