Schematics & code for my 74LS-based 8-bit MK1 CPU
Schematics and code for my home-made 8-bit CPU and its companion boards.
Articles about this project:
During the past month, I designed and built a programmable 8-bit CPU from scratch, out of basic series 74LS logic ICs.
This repository contains pictures, schematics, and code for this project and its companion boards.
DEMO VIDEO (YouTube)
The MK1 CPU is composed of several modules, all connected trough a common 8-bit BUS, the status of each module is shown by dedicated LEDs.
A
, B
, C
, D
) and a stack pointer
register for subroutine calls.CF
) and zero (ZF
) ALU flags.HL
and STK
address signals available in the MAR
dip-switch.