Connecting an LCD to a Z80 with Two Glue Chips
I’ve been breadboarding a Z80 computer lately. I wanted a test bed to explore ideas and to learn how the hardware worked. I also wanted to be able to create a small, self contained Z80 machine including both input and output devices. The simplest output device to connect is probably a generic character LCD display. …. Read More
HDSP-0762: Hex Displays Made Easy
If you’re working (or playing) with digital electronics then you’ll probably want to display your data data on hex displays at some point. Normally this involves using some kind of decoder to turn your data into something that can drive a 7-segment display. Which means extra chips, extra wires and extra breadboard space. I set …. Read More