Following the awesome work that was done to trace the MDFS circuit (viewtopic.php?f=3&t=9407&p=182600) I was left wondering whether anybody had ever done this for the somewhat rarer FDFS and HDFS. Anyone know of any efforts in that direction? It'd be quite pleasing in a way to build a clone of all three generations, and I guess the HDFS is particularly interesting because of its rather more complicated architecture.
If nobody has done this already then maybe I should get my camera out and figure out how to to trace PCB tracks from photos.
for bbc micro/electron hardware, peripherals & programming issues (NOT emulators!)
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