techtravels.org

inital results on error correction

While I have yet to actually implement the full-scale error correction as I want to, I did some manual tests today. I basically took a track that I was erroring out on, and swapped in 1-bit away values for the bad bytes.  In some cases, it appeared...

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quick memory check

So on bootup, I now have the hardware do a memory check.  I basically take and write out a bunch of values to the memory, and then read them back and make sure they read back properly.  The values written are based on...

more updates

I know I’ve been bad keeping you guys updated….. This doesn’t mean I haven’t been working on it, however. I recoded the ISR completely in assembly because I was just plain sick of the damn...

recent status

Well, I’ve put a decent number of hours in on the project over the last couple weeks. I’ve mostly been “spinning my wheels” because I haven’t made much progress, but I think I’ve...

more real world tests

So tonight, I put my new FPGA implementation of the amiga floppy project to good use.  I read some more of my collection of amiga floppies. GREAT NEWS. It’s working like a champ.  As a matter of fact, I selected...

changed from rxtx to jd2xx

Okey dokey. I’ve changed from rxtx to jd2xx.  rxtx didn’t support DTR/DSR flow control, which really is an absolute must for my application.  There would have to be hardware changes that I’d be...

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...