Sorry about that.

Ruud:

I had looked at your website several months ago, and was certainly impressed by the dedication and the perserverance needed to built your CPU. Tip of the hat to you.

On the subject of your question, I will suggest considering an implementation based on a bit serial, or a nibble serial ...

Ed:

I appreciate you linking your code for me in your last post. I had this nice reply in the works and then I decided to click through to your code for a second look, and when I got back, my tome was lost. So I will try and reconstruct it as best I can.

Your code is very clean, and clearly ...

EE:

I've been folllowing your discussions on this thread for a while, but I've not delved into any of the code. However, in your last post/reply, I think that you've reduced the code beyond what BigEd appeared to intend. That is, the following code fragment is more in the spirit that BigEd appears ...

I'm not sure there's a significant distinction between UART and ACIA.

Companies like MOS Technology, Motorola, Intel, etc. generally moved toward a business model of providing bus-compatible I/O components in order to simplify the design of systems based on their microprocessor offerings. In the ...