Minimalist Europe Card Bus (MECB ) – MC6809 (or HD6309) CPU Card
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 …
EPROM Programmer Compatibility with Adapter for 27C400/800/160/322 16bit EPROMs
Our EPROM Programmer Adapter was initially designed for use with the hugely popular TL866 series programmer. Initially, for the original TL866A and TL866CS models. But then also verified as fully …
Minimalist Europe Card Bus (MECB) – TMS9929A / TMS9928A VDP RGBS Video Card
Earlier, I posted an article and video on my TMS9929A Video Display Processor (VDP) rediscovery. This included designing an alternative Retro VRAM solution, which I then implemented as a breadboard …
More AliExpress Re-Marked Chips – Follow Up! (6809 / 6309 CPUs)
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 …
More AliExpress Re-marked Chips Frustration
Join me as I describe my frustration with AliExpress sourced, incorrectly re-marked / re-labelled, IC parts. This seems to be an ongoing issue, particularly with the retro chips keenly sourced …
Minimalist Europe Card Bus (MECB) – Address Decode / Glue Logic ATF16V8
As I mentioned in my earlier MECB posts, I wanted to be able to create MECB boards which implemented addressing flexibility. This is to allow any I/O board design to …
Minimalist Europe Card Bus (MECB) – Prototype Card Design
This follows on from my Backplane Design & Build for the Minimalist Europe Card Bus (MECB), where I walked-through the design of my MECB Backplane, and I then assembled my …
Minimalist Europe Card Bus (MECB) – Backplane Design
This follows on from my Introduction of the Minimalist Europe Card Bus (MECB), where I outlined my preferred design, for recreating some of my 8-bit CPU experiences from the late …
“Black & Gold Edition” – TL866 Programmer Adapter for 27C322 & 27C400/800/160 EPROMs
The popular TL866II Plus Programmer was recently offered in a special Black Edition. This special Black Edition includes a much higher quality “Aries” branded Zero Insertion Force (ZIF) socket. To …
TMS9929A VDP Rediscovery and Alternative Retro VRAM Solution
TL;DR The TMS9929A / TMS9928A / TMMS9918A are Video Display Processors produced by Texas Instruments in the Retro 8-bit era of the early 1980’s. They were used in a number …