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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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sync’ing to the 0x4489 0x4489

Well, this wasn’t as easy as I first imagined. There are some issues: 1> By the time you’ve detected the 4489 4489, it’s too late to do much about it. This is because I’m writing one bit at a...

New SRAM PCB is being built

So up to two SRAMs can be installed on this tiny 2″ x 2″ board. To the right is the connector, and the SRAMs are on the left. With current SRAM sizes, you can install 32-megabit SRAMs. That’s 4...

Magiquest at Myrtle Beach

I just got back from a week in Myrtle Beach, South Carolina. Not my ideal vacation spot, but it was half business, so why not make the other half pleasure?! In a shopping area called Broadway at the Beach, there was a...

error correction using hamming distances

I’ve been thinking for quite some time about error correction.  About using the structure of the MFM to our advantage.  I’ve come up with something although I haven’t implemented the idea yet. As you...

inpout32.dll vs WinIo

From a previous post, I mentioned WinIo as a nice way of accessing the parallel port from win2k. However, it was slow. The authors said, “I should be using MapPhystoLin() anyways”, whenever I asked about...