Micro Instructions

A project log for Nits Processor

8-bit TTL technology processor

CedCed 11/19/2019 at 10:220 Comments

All the initial modules are now built, it is time to document the list of Micro Instructions.

Here is a map of all the available Micro Instructions assigned to each modules:

[unless specified, all actions are synchronous on the CLOCK_MAIN clock signal]

A register

B register

ALU & Flags

Instruction register

Step counter


Program counter

Memory Address Register


Output Register

Some of these signals will be connected to the Instruction Decoder, some are connected to the reset switch only.