7 February 2019
LM80C: PIO & RAM test
I was at a point where I couldn’t do more of these tests with what I’ve added to my little...
8-bit
6 February 2019
LM80C: first run! Testing a Z80 PIO
In one of my previous articles I wrote about how I set up an EEPROM programmer to write the code into...
6 February 2019
LM80C: clock & reset
Beyond the power lines, to work properly a CPU need some signals. The very basic ones are the reset and...
26 January 2019
LM80C: EEPROM programming
Once I chose the CPU and checked that it was OK, I started thinking about my next step. Having a...
7 January 2019
LM80C: the Zilog Z80
Once I chose the CPU, I started studying it. Altough I used 8-bits computers, at the time I was too...
6 January 2019
LM80C: the CPU choise
The first choice I had to make has been the CPU (Central Processing Unit), the computing unit and heart of...
2 January 2019
LM80C, a Zilog Z80-based 8-bit color computer
I grew up during the golden age of 8-bits computers, I lived the ’80s by typing “listings” and loading games...