Monthly Archives: September 2021

Zolatron 64 6502 homebrew – serial port part 2

It didn’t work. Not straight away, anyhow. Once I’d wired up the 6551 ACIA chip, my UART of choice to give the Zolatron 64 a serial port, I threw together some code to test it. It was pretty simple – it took my already known-good code that prints a message to the LCD and added to that a routine to… Read more »

Zolatron 64 6502 homebrew – serial port part 1

So far, the Zolatron 64 6502-based homebrew computer has output (a 16×2 LCD screen) but nothing in the way of input. I have toyed with the idea of getting it to output to, say, HDMI using a Teensy as an intermediary. And also of giving it a PS/2 keyboard input (the latter still being a possibility). But in the end… Read more »