Retro Z80 computer (9) – BLINKENLIGHTS

A small project today. I added ‘BLINKENLIGHTS’ to my Z80. This term stems from an old sign that used to hang in computer rooms: ACHTUNG!ALLES TURISTEN UND NONTEKNISCHEN LOOKENSPEEPERS!DAS KOMPUTERMASCHINE IST NICHT FÜR DER GEFINGERPOKEN UND MITTENGRABEN! ODERWISE IST EASY TO SCHNAPPEN DER SPRINGENWERK, BLOWENFUSEN UND POPPENCORKEN MIT SPITZENSPARKEN.IST NICHT… Read the rest

8 bit computer, output module, problem solved

8 bit computer, output module, problem solved Remember that annoying problem I spoke of? I solved it! It appears I had soldered two connections together by accident. Almost invisible, but still two outputs were connected, resulting in double displays on the two leftmost 7-segment displays. Fortunately I was able to… Read the rest