16-bit CPU

Designing the Instruction Controller

In my last post, I walked through the planning of the Instruction Controller. Please note that while re-reading that post to work on this...

Mar 315 min read

Lookout! On 3/26, while working on the design of the Instruction Controller, I discovered an error in my logic in this post. I've pasted...

Mar 1714 min read

The CPU architecture seems pretty conventional. I couldn’t think of anything but the plainest design here. We need an ALU and registers....

Mar 142 min read

Addressing Modes Table I think my first tasks are to define my instruction set and addressing modes, i.e.; the "Instruction...

Mar 88 min read

Inspired by a Pulitzer prize-winning book, Anthony decides to embark on a journey to build a vintage computer CPU.

Mar 73 min read