techtravels.org
Amiga Floppy

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...

keith
4 comments

Latest articles

Amiga Floppy

AFP 0.2 WIP SX code

I’ve put some work into cleaning up the SX code tonight. I’ve removed some code sections no longer needed, and added documentation where it was lacking. Code should be commented pretty good. I’ve also...

109 views
Badge Computer

Launch of HOPE Badge Computer project

This is the first post of many in this category. We have a project page giving the general goals of the project, but most of the hands-on action will happen here in the blog posts. For the latest status, reading these...

108 views
Amiga Floppy

Interesting article and comments

Someone on sci.electronics.design mentioned the following article: This is a Floppy Disk Data Separator Design Guide for DP8473 which is a floppy disk controller like the infamous NEC 765 controller.  It’s a...

106 views
Amiga Floppy

good data vs bad

So you’ve seen me talk about good data and bad data.  But what’s the difference? Good data looks like the picture I posted awhile back here. Note the very even spread of 4—4—8.  Every pattern is...

106 views
Amiga Floppy

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...

106 views
Amiga Floppy

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...

106 views
Amiga Floppy

further development on the AFP

I’m about to bring a new member of my family into this world.  As a new proud parent, I’m completely unsure about what this means in terms of time, dedication, and so on.  I’m sure I’ll have less...

106 views