Thomas Harte
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1aebb4ea03
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Merge remote-tracking branch 'origin/master' into FasterLoading
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2016-08-24 20:52:10 -04:00 |
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Thomas Harte
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2f470843e2
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Update README.md
Extended discussion, fixed sentence structure.
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2016-08-24 09:21:01 -04:00 |
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Thomas Harte
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b3ae582c76
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Update README.md
Fixed number list.
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2016-08-24 09:19:26 -04:00 |
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Thomas Harte
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f170991c78
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Update README.md
Produced a more philosophical rewrite.
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2016-08-24 09:18:35 -04:00 |
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Thomas Harte
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5ffd9e4f0d
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This is probably how the static analyser interface will look?
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2016-08-23 21:35:59 -04:00 |
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Thomas Harte
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0d077691b0
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Resolved warning.
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2016-08-23 21:10:22 -04:00 |
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Thomas Harte
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dab3580111
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Experimental: can I afford a lower sampling rate if there's a low-pass filter in effect?
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2016-08-22 22:18:05 -04:00 |
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Thomas Harte
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f937e08c91
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Merge pull request #47 from TomHarte/PALAudioFrequency
Corrects Vic audio output (i) in PAL mode; and (ii) generally as concerns all but the highest-frequency channel
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2016-08-21 20:45:09 -04:00 |
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Thomas Harte
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1541273785
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Moved responsibility for throwing in a low-pass filter up to the Vic, appropriately.
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2016-08-21 18:13:31 -04:00 |
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Thomas Harte
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c783090980
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It turns out that the Vic has a 1.6Khz low-pass filter. So added that.
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2016-08-21 12:13:41 -04:00 |
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Thomas Harte
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8d839c5278
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I think this is correct. And have explained why.
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2016-08-20 16:54:43 -04:00 |
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Thomas Harte
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7c9455251d
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Fixed reload for the lower-frequency audio channels.
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2016-08-19 17:34:01 -04:00 |
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Thomas Harte
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99157ad6b2
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Ensured the 6560 knows its real audio clock on a PAL machine; removed some stray semicolons.
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2016-08-19 13:35:34 -04:00 |
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Thomas Harte
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e985c72ce8
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Removed a dead special case.
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2016-08-19 12:23:06 -04:00 |
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Thomas Harte
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0cf3e25dd0
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Merge pull request #46 from TomHarte/PRGTape
Adjusts non-ROM PRG loading to be via the tape interface
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2016-08-19 12:20:11 -04:00 |
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Thomas Harte
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73ce67bee8
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Added some documentation of the intention here.
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2016-08-19 11:04:59 -04:00 |
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Thomas Harte
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4edd1214f1
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This has now successfully loaded its first PRG-as-a-tape.
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2016-08-19 10:58:42 -04:00 |
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Thomas Harte
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902c0f967a
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Implements known phase pattern for PAL output.
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2016-08-17 08:09:48 -04:00 |
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Thomas Harte
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2935848f35
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Adopted header/header/data/data pattern. But still not complete joy.
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2016-08-17 08:03:34 -04:00 |
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Thomas Harte
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e5523dbbed
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This gets through loading the first(/only?) copy. I tried repeating it with a bit-flipped header, now I'm trying repeating the header with a different file type. More documentation searching to do, I guess.
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2016-08-16 22:17:08 -04:00 |
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Thomas Harte
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1bca9aa2bb
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Fixed parity: now calculated from the actual byte and works the other way around. The Vic now believes it is loading the actual program. So I guess bytes, headers and the lead-in is working.
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2016-08-16 21:41:09 -04:00 |
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Thomas Harte
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dfe9fb83ef
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This proves that bytes are being deposited properly. For the first 36 anyway, and with no announcement.
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2016-08-16 21:09:50 -04:00 |
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Thomas Harte
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12f8aff65b
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Lengths I'd taken seem to have been for dipoles, not single poles. So I just doubled the clock rate. Also I was producing each dipole as high then low, when they should probably be low then high. The Vic now at least recognises that something is happening on the tape.
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2016-08-16 19:46:53 -04:00 |
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Thomas Harte
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3a23d5d8cf
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Adjusted the check digit.
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2016-08-15 22:44:36 -04:00 |
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Thomas Harte
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dbe47f3f45
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I've obviously misunderstood something as, as far as I'm concerned, this should at least get me a 'LOADING'.
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2016-08-15 22:40:05 -04:00 |
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Thomas Harte
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7994148f55
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I'm starting to make a little headway, I think: this performs lead-ins and countdowns, though with no actual data or anything as helpful as that.
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2016-08-15 22:10:53 -04:00 |
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Thomas Harte
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7e2b4554ea
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This likely forms the Commodore dipoles correctly. It just stays stuck in leader tone forever is all.
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2016-08-15 20:08:50 -04:00 |
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Thomas Harte
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ca2dc6b6c4
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Ensured ROMs survive in the new memory model.
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2016-08-15 19:56:01 -04:00 |
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Thomas Harte
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38aec44d85
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Made sufficient changes for the Vic itself to believe it can recast a PRG as a tape and insert it that way. So now the ball is in the court of: how the heck are Commodore tapes encoded?
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2016-08-15 19:44:41 -04:00 |
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Thomas Harte
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3aa40212f3
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Fixed minor documentation error; admitted that this class didn't invent the idea of a pulse.
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2016-08-15 19:37:21 -04:00 |
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Thomas Harte
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e59301b416
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Merge pull request #45 from TomHarte/MemoryModels
Vic: Adds support for expanded memory and PAL region machines.
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2016-08-14 20:01:19 -04:00 |
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Thomas Harte
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547aefb696
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Slightly adjusted PRG strategy, made a note about where next.
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2016-08-14 16:36:42 -04:00 |
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Thomas Harte
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6079d30e58
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Eliminated waiting here — either the buffer can be enqueued now or it is dropped.
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2016-08-14 16:20:24 -04:00 |
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Thomas Harte
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48a00d9e05
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... which means that all files are now expected.
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2016-08-14 14:24:03 -04:00 |
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Thomas Harte
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5373f6cc57
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Completed setting of options, including mapping from country to ROM + television standard.
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2016-08-14 14:23:08 -04:00 |
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Thomas Harte
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b5af1746d5
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Added a through path to the Objective-C for setting region and memory size.
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2016-08-14 14:14:59 -04:00 |
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Thomas Harte
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f15d89239f
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Made a stab at storage and restoration of country and memory size.
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2016-08-14 14:00:08 -04:00 |
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Thomas Harte
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df77c2a20a
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Added the XIB side of wiring for region and memory size options.
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2016-08-14 13:53:14 -04:00 |
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Thomas Harte
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d9016909ed
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Added some wiring for PAL/NTSC mode switching on the Vic, making an attempt to simplify the whole loop of having different clock rates.
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2016-08-14 13:33:20 -04:00 |
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Thomas Harte
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a547b7e1d8
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Took basic steps towards supporting memory expansions.
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2016-08-13 17:21:25 -04:00 |
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Thomas Harte
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0a13dd5c5b
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Merge pull request #44 from TomHarte/6560Template
Shifted the 6560 into an idiomatic template form; switched automatic loading to optional.
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2016-08-12 20:58:34 -04:00 |
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Thomas Harte
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142774be37
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Collapsed 6560 template to a more direct loop, albeit with quite a bit still left to fix.
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2016-08-09 21:10:53 -04:00 |
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Thomas Harte
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12bad8f23f
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Turned the 6560 into an ordinary template, similar to the rest of the project, albeit right now with a fairly shonky internal implementation. Fixed a Mac-specific interface sizing issue.
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2016-08-09 20:41:05 -04:00 |
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Thomas Harte
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285a288c80
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Switched to two cycles of options loading, meaning that they get set before files are inserted. Might need some further work?
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2016-08-07 21:48:09 -04:00 |
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Thomas Harte
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be54d8040e
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Made a first stab at having automatic loading be optional. But things are currently arranged such that the machine options are communicated too late to have an effect. So work to do.
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2016-08-06 17:39:27 -04:00 |
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Thomas Harte
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3e65450a54
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Converted the 6560 fully into a template; worked on allowing the typer to run at a much faster rate where hardware has some trigger by which it can request the next key.
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2016-08-06 14:33:24 -04:00 |
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Thomas Harte
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c6e046253e
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Shunted code for the main part up into the header, in advance of turning it into a template so as to bring it inside the normal orthodoxy.
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2016-08-05 19:13:49 -04:00 |
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Thomas Harte
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9d76cd9b60
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Removed dead instance storage.
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2016-08-04 21:41:12 -04:00 |
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Thomas Harte
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b46355331c
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Merge pull request #43 from TomHarte/NonSkippingTracks
Sought to prevent a reset of angular position when changing tracks
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2016-08-04 21:39:18 -04:00 |
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Thomas Harte
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3e90b85ff8
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Made an attempt to insert proper conversions to/from rotational speed. The Time class is now really turning into a full-on quotient. Might need refactoring.
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2016-08-04 21:36:39 -04:00 |
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