A project log for Tek V2

Version 2 of PS/2 keyboard adapter for Zeddies

danjovicdanjovic 08/11/2019 at 04:000 Comments

I have completely missed that the ZX81 ULA does not provide an external signal for reading the keyboard. Same for TS1500.

It is a pity but a a decoder required for these micros... a simple 74HC32 should do the job.