Thomas Harte
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9af9b28baf
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Made very first attempt at closing the loop on this. But it's time for work.
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2016-08-03 08:16:23 -04:00 |
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Thomas Harte
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e15241dc3c
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Added ability to query how long since the new interval was set to the timed event loop. Discovered that LCM will returning the net effect of the common factors only. Otherwise continued iterating towards time preservation.
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2016-08-03 07:49:00 -04:00 |
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Thomas Harte
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a3a3486f54
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Okay, it's becoming more apparent where the (very mild) complexity will be here. But started moving towards retaining rotation between tracks.
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2016-08-03 07:33:26 -04:00 |
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Thomas Harte
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21f1fa37a4
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Fixed Time addition, added accumulation of distance into track into the disk drive, added a short circuit for LCM.
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2016-08-03 07:26:05 -04:00 |
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Thomas Harte
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198fbbedc7
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Reeled back all appropriate pieces of caveman debugging.
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2016-07-31 13:42:34 -04:00 |
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Thomas Harte
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2332f72875
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Formalised clock-rate multiplication within disk drives, discovered that the stepper didn't have ideal behaviour for my timed event loop and hence nailed down the semantics a ilttle more.
(obiter: the 1540 now appears to discern the correct sequence of bits. Framing is off in my test printfs but that's neither here nor there).
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2016-07-31 13:32:30 -04:00 |
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Thomas Harte
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6ee784a893
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Increased logging; discovered I was packing events together too closely. Now getting some zeros.
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2016-07-30 04:30:55 -04:00 |
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Thomas Harte
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fead524eb5
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Attempted to give the PLL a litte extra leeway, and fixed PCMTrack length test.
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2016-07-29 18:52:50 -04:00 |
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Thomas Harte
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8f62211f5e
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Wired up the 1540 as a PLL delegate. Which prima facie means it should start receiving a bit stream. Except that I clearly have something in the timing way off — either my flux transitions are far too short or I need to significantly increase the clock rate on the PLL.
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2016-07-29 12:08:18 -04:00 |
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Thomas Harte
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89a1881fef
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Started turning the 1540 into an actual disk drive.
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2016-07-29 11:03:09 -04:00 |
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Thomas Harte
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6532b3a8c8
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Filled in a calculation of clocks per bit that'll do.
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2016-07-29 07:51:07 -04:00 |
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Thomas Harte
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f984de42a3
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Took some small steps towards having a disk drive that at least can select a track and pump relevant events into a PLL.
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2016-07-29 07:31:02 -04:00 |
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Thomas Harte
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e55db0cfe8
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Made an attempt to eliminate creeping tape processing accuracy misses, which implied factoring out the GCM and LCD functions, which I then felt didn't really amount to signal processing.
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2016-07-29 05:19:01 -04:00 |
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Thomas Harte
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63f39608a6
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Added just enough to get back to a working build.
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2016-07-15 20:35:19 -04:00 |
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Thomas Harte
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165dbd9651
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Started fleshing this out a bit. Hopefully.
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2016-07-15 08:28:34 -04:00 |
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Thomas Harte
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0aa90b943b
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Switched to specifying bit length as a quotient for the purposes of a PCMSegment and verified that I had the logic for picking a Commodore time zone backwards: bigger numbers are faster, not slower.
Started sketching out a DiskDrive class.
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2016-07-15 06:51:11 -04:00 |
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