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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

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Armiga Project

Here’s a cool project that I have some involvement with, the Armiga Project. This is basically an ARM-based emulation platform for the Amiga 500 that uses normal Commodore Amiga floppy disks! Pretty cool, and I...

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Amiga Floppy

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.

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Recapping a Samsung 204B monitor

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Amiga-VSC Inactive

Yay! Initial shots from the VSC!

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151 views

Amiga Floppy

thinking about cross-platform support

To make this accessible to everyone, I’d really like to add support for more than just Windows. I thought that Java would be my ticket to freedom here, but that is turning sour real fast. From what I’m able...

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Badge Computer

Still debugging the attachment of User Flash Memory to the J68….

So if I take my working UFM avalon-mm Master controller (which if you recall, connects to the Altera Flash Memory IP core), and attempt to attach it to the J68, the J68 no longer boots the ROM monitor code. Since...

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A501 Replacement Inactive

PCBs have arrived!

Just in time for Christmas, the PCBs have arrived from China. I used Seeed Studio (Fusion PCB Service) and they look pretty good. Here’s the first look at them. I’m just about to solder one up, so wish me...

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A501 Replacement Inactive

Moving from prototype on a solderless breadboard to PCB soon

So I’ve got a reasonable number of memory tests passing with the prototype solderless breadboard. There are some minor issues that are mostly related to the stability: Sometimes my memory board steps on the built...

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Amiga Floppy

bought a Saleae Logic. Another tool for my toolbox

I bought at Saleae Logic which is an inexpensive logic analyzer. See link here. It isn’t nearly as fast (only samples at 24mhz max), and it doesn’t have as advanced triggering capabilities, but it does do...

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