Posted in Floppy disc R/W project on Sep 29th, 2009 No Comments »
It seems this project has consisted of one cockup after another… – First off, I managed to swap the A and B buses on the level translator chips. The “A” bus goes to the disc drive, the “B” bus goes to the FPGA board. Get it the wrong way round, and the FPGA gets zapped [...]
Posted in Computers, Electronics, Floppy disc R/W project on Oct 13th, 2008 No Comments »
A few of you might be aware of my pet project — a floppy disc reader/writer that operates at an insanely low level (it operates on individual magnetic flux transitions). The advantage of this thing being that it’ll be able to read (and write!) just about any disc format that can be read in a [...]
Posted in Electronics, Floppy disc R/W project on Apr 9th, 2007 2 Comments »
Yes, I know, it’s been a while since I’ve posted anything here — a few days shy of two months in fact. Hopefully this little posting will make it worth the wait Over the last couple of years, there’s been something of a resurgence of interest in ‘vintage’ computer platforms – the old BBC Micro, [...]
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