The system design of these moving map displays is surprisingly compact. It is a streamlined 68000 system with a CRT display. It reminded me of those early Z80 computers.Continue reading “Argus 3000/5000/7000 (Monochrome) Hacking – 1”
Greetings to all the
Meh… a detailed description of this little project will be covered in a future article (If I actually would do). Basically, I’m trying to make a portable music player / midi synth based around YM2608. I expect this project to take forever to complete…
Let’s get our hands dirty quick!Continue reading “[OPNA] An Analysis of The P.M.D. Music Data Format (Mostly the “Rhythm” Section)”
Part2. Bit What?
This article is about the “bit-serial” design scheme employed in HP35’s digital design.
In this section, we will have a brief look at the ISA of the HP35, the first look into the system.
This part is the prelude to a series of articles on the internal design of the first pocket scientific calculator: HP35.