Home example 2

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

Hands-Free Debugging: Reviewing Gisler Precision’s Probe Holders

Disclaimer: While I purchased these myself at full price, Gisler did pay for shipping. This is my own opinion. If you’ve ever tried to hold multiple scope probes steady during debugging, you know how frustrating...

Add comment

Popular galleries

Latest articles

Commodore Amiga Related

On building an A500++

Commodore Amiga 500 Plus In the 1980s, Commodore made a newer version of their very popular Amiga 500, called the Amiga 500 Plus. It added a few things, namely newer versions of Kickstart and Workbench — both 2...

10,734 views

Uncategorized

Reading Amiga Kickstart ROMs with a TL866A reader

I recently bought a TL866A from ebay with a bunch of adapters for a little under $100 shipped. Seems like a decent programmer except for the fact that it doesn’t support the 27C200/27C400 mask ROMs that hold...

5,182 views

A501 Replacement Inactive

Schematics now available for A501 replacement card

Schematics now available for A501 replacement card!
Find them on the main project page, located here.

2,457 views

Amiga Floppy

how the amiga reads floppies

So I’ve forever wondered, at the hardware level, how the amiga reads floppy disks. I’ve gotten bits and pieces over the years, but I’ve never really understood the bulk of it. So there are four main...

2,438 views

Commodore Amiga Related

Expansion Systems DataFlyer Plus 2.1

Way back in about 1992, I finally had enough money (ok, well, enough credit) to finally expand my Commodore Amiga 500 to how I wanted it. I previously had an A501 memory expansion module and an external floppy drive...

2,333 views

Badge Computer

Fixed point number formats: might use 16.16

So for my fixed point number format for my 3D project, I’ve come up with a few possibilities : I think a 16.16 number format might work for me. This means I’ll represent the whole portion via one 68k word...

2,295 views

Uncategorized

$28 Gonbes GBS8200 Scandoubler for use with Commodore Amiga

While I probably would have preferred to order an Indivision ECS scan doubler, a really nice alternative is a Gonbes GBS8200 video converter off of ebay. I had bought version 2.0 sometime in 2010 or 2011, and could not...

2,267 views

Amiga Floppy

Samsung SFD-321B 3.5″ floppy drive and specifications

I plan to create a separate section for these type of documents, but I wanted to get this online for now. I purchased the Samsung (made by SEMA, the division split off of Samsung that mostly makes floppy drives) SFD...

2,127 views

Badge Computer

Watching YM2612 communication on Sega Genesis

I did buy a compatible 24-pin DIP clip to make it a little easier, and a little bit more reliable, to hook up the logic analyzer. The YM2612 sits on the Z80 Bus, and so there’s lots of communication not intended...

2,073 views

inital results on error correction

Popular stories

Hands-Free Debugging: Reviewing Gisler Precision’s Probe Holders

Popular galleries

Popular videos

Latest articles

Reading Amiga Kickstart ROMs with a TL866A reader

Schematics now available for A501 replacement card

how the amiga reads floppies

Fixed point number formats: might use 16.16

$28 Gonbes GBS8200 Scandoubler for use with Commodore Amiga

Samsung SFD-321B 3.5″ floppy drive and specifications

Watching YM2612 communication on Sega Genesis