So tonight, just for the fun of it, I decided to sand, by hand, a 556 timer IC. I just bought an extremely inexpensive microscope and was very interested to see what pictures I could get from it. Unfortunately, for me...
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FPGA eval board
One of these arrived today. Very cool. I’ve only done minor things with it so far — but I’m learning. I’ve got FPGAs by Example for Verilog coming within a couple days. Looks like a good book...
redone transfer routine
So my transfer routine has been a little flaky lately. I’m not sure exactly why but I think it’s related to the number of processes I’m running. While it’s a P4 2.4, I think USB scheduling is...
logic analyzer on Amiga 500 Paula chip
So I’ve attached my Intronix LA1034 to the Paula chip, the 16-bit wide data bus, and the DMA Request line. I triggered the logic analyzer on 0x4489, of course. Here’s the results: (click for a full size...
sleep inversely proportional to the AFP and no more tokens
So I have figured one thing out. The more I work on the AFP, the less I sleep. At least that’s how it’s been over the last two nights. Two nights ago it was 3am, last night it was after 2am. Ideas come and...
redesign of read routine
After skimming the patent I referenced in the earlier post, I’m starting to come to the realization that in order to have an effective floppy controller, I need to implement a decent PLL which can better track the...
