Minimalist Europe Card Bus (MECB) – 6809 or 6309 CPU Card – v2.3 Update!
Recently, while working on my 6502 CPU Card design, I became aware of a small oversight on my existing 6809 CPU Card. Nothing that has caused any issues, as I …
Recently, while working on my 6502 CPU Card design, I became aware of a small oversight on my existing 6809 CPU Card. Nothing that has caused any issues, as I …
With our 1MB ROM Expansion Card design and assembly already presented in Part 1, it’s now time to test our assembled Card, with an initial use scenario. Initially, I’m going …
As I now have a modular retro 6809 computer system, with a flexible memory map, I thought it would be fun to mimic another simple 6809 system and to also …
Following my recent 6809 system testing video, a viewer asked if the system could run at 3Mhz, or perhaps even a little higher. Join me as I initially test the …
Having finally assembled an initial 6809 based system, following the completion of my recent Motorola I/O + Sound card, we should now give the system a bit more thorough testing. …
This post follows on from my earlier Minimalist Europe Card Bus posts and videos. The 6809 CPU Card has been a long journey. First v1.0 then v2.0, and now v2.2 …
This post / video follows on from my earlier Minimalist Europe Card Bus posts and videos. My original (version 1.x) MC6809 CPU Card required an original internal clock 6809 (or …
This post follows-on from my previous post, where I presented and assembled my first prototype PCB for a 6809 CPU card, for the MECB bus. The first part concluded following …
This post follows on from my earlier Minimalist Europe Card Bus posts and videos. For MECB, to date I’ve designed and built a Backplane, a Prototype card, and a TMS9929A …
This is a quick Follow-Up to my recent post and video on my AliExpress Re-Marked Chips Frustration! You can find this here: More AliExpress Re-marked Chips Frustration Since then, I …