Welp, I’m having trouble tweaking my existing SX code. If I modify the timing of the current code, I’m getting all garbage output — even adjusting small amounts to one side or the other, produces much...
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more SX to PC tests
Although I think I’ve long had this working good, I did some more tests just to verify. Latest numbers: Each cycle is about 15.8us, 2us per bit, 8 bits, this sounds fine. This does confirm, however, what I...
floppy.c’s mfm decoder
A couple days ago, whenever I got ahold of floppy.c, I wrote a quickie code stub that utilizes floppySectorMfmDecode from floppy.c of fellow (). Note you must use the mirrors to actually download anything…. This...
an output file from my project
DiskMonTools says it's reading 16200 bytes. My project is reading a filesize of 15892 consistently.
Here's the link to the sampled file.
Success!@#
I hestitate to jump to conclusions, but I think I just passed a crucial first step in getting this to work!@#!# After adjusting some timing on my new code on the SX, I’ve found my first 0x4489 0x4489 pattern. This...
Speed of the reading on the PC
Ok, well I’m now satisfied that the PC is fast enough to do its portion of this job, using the standard WinIo dll. I managed to redo a portion of the code so it’s faster, and the total time on the PC is 6...
