Well, after much thought, pondering, and discussion with David, I finally implemented a working byte-sync routine to my SX software. I don’t have it fully working with the PC side software yet, because this...
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new face of the amiga floppy project
You’d think that with the lack of posts lately that I haven’t been doing anything. BUT, in fact, I’ve been quite busy. I now have the entire floppy project on one single circuit board, the SX28...
On speed optimization
The theoretical limit, assuming 300rpm drives, is 200ms per track. Or 400ms per cylinder, or 32 seconds per disk. Most attempts read slightly more than one track. I read 16,384 bytes, or 262ms worth. Right now, if I...
working cause of bit errors
I think I’ve stumbled on something. I don’t think I’m capturing enough data. 13,824 has been my magic number forever. It was larger than the 13,800 that Marco used in afr.c. But I’m beginning...
sync’ing to the 0x4489 0x4489
Well, this wasn’t as easy as I first imagined. There are some issues: 1> By the time you’ve detected the 4489 4489, it’s too late to do much about it. This is because I’m writing one bit at a...
Anatomy of a flux transition
I wanted to put up an image that displays an actual flux transition pulse coming off an amiga floppy disk whose data was encoded in MFM.
CLICK ON THE IMAGE TO DISPLAY A FULL RES VERSION.
