The data bus on the Z80 processor is 8 bits wide. Data bus wires carrying information within the chip itself…
After reading excellent Ken Shirriff’s blog on reverse-engineering parts of the Z80 CPU, I decided to learn how to decipher…
In my previous post, I described an Arduino dongle and the software that can be used to clock a Z80…
In this blog, I will show you how to interface an Atari-style joystick to the Altera DE1 FPGA board running…
In the last article, I presented a different way of architecturally modeling a Zilog Z80 processor. It is time to…
I got hold of an old Sinclair ZX81 in apparently good and working condition! ZX81 was the first personal computer…
If you want to find out exactly what a venerable Z80 is doing on its bus while executing instructions, in…
