Thomas Harte
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cd2ab70a58
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Moves the LFSR to the LowFrequencyOscillator.
Possibly I should come up with a better name for that?
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2020-04-25 22:21:42 -04:00 |
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Thomas Harte
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65a3783dd2
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Attempts the tom tom.
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2020-04-25 19:21:55 -04:00 |
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Thomas Harte
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b9b5c2a3bc
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Takes a first run at proper slot mixing and the bass drum.
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2020-04-25 18:01:05 -04:00 |
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Thomas Harte
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b3979e2fda
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Looking towards rhythm mode, and in search of bugs: factors out ADSR.
Further factorings to come.
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2020-04-24 18:48:32 -04:00 |
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Thomas Harte
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983c32bf75
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Adds vibrato.
This would complete melodic output, subject to bug fixes.
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2020-04-24 18:02:41 -04:00 |
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Thomas Harte
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9e3614066a
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Adds tremolo support, switches to global timer for ADSR stages other than attack.
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2020-04-23 23:55:49 -04:00 |
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Thomas Harte
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c7ad6b1b50
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Minor layout and commenting improvements.
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2020-04-21 23:35:48 -04:00 |
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Thomas Harte
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676dcf7fbb
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Calculates the proper key scale rate, though ADSR itself is still lacking that precision.
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2020-04-21 22:57:56 -04:00 |
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Thomas Harte
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50d725330c
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Adds missing header.
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2020-04-21 22:48:52 -04:00 |
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Thomas Harte
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2886dd1dae
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Collapses key-level scaling to a single 2d table.
I dare imagine I can do better; the columns in particular look like arithmetic progressions.
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2020-04-21 20:19:02 -04:00 |
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Thomas Harte
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40424ac38b
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Re-enables key-level scaling, with 3db and 1.5db the correct way around.
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2020-04-21 20:10:40 -04:00 |
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Thomas Harte
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a4d3865394
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Decreases sustain level attenuation; disables key-level scaling for now.
The latter was definitely wrong, I also think I don't need the big four tables.
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2020-04-21 19:58:40 -04:00 |
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Thomas Harte
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bdce1c464a
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Takes a shot at key-level scaling. Testing to come.
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2020-04-21 00:09:42 -04:00 |
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Thomas Harte
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475d75c16a
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Preserves fractional part of modulator phase.
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2020-04-20 23:35:37 -04:00 |
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Thomas Harte
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32fd1897d0
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Via a unit test, confirms and fixes relative volumes of OPLL channels.
Also rejigs responsibility for scaling to emulator-standard volume.
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2020-04-20 23:17:29 -04:00 |
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Thomas Harte
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100fddcee1
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Corrects divider, takes another whack at ADSR.
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2020-04-20 18:58:10 -04:00 |
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Thomas Harte
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99fa86a67e
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Adds a test for lookup sine. And fixes lookup sine.
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2020-04-20 18:40:47 -04:00 |
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Thomas Harte
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6568c29c54
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Improves commentary.
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2020-04-19 22:42:25 -04:00 |
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Thomas Harte
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c54bbc5a04
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Rename Table.h; LogSin -> LogSign and make it a bit more typer.
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2020-04-19 13:33:17 -04:00 |
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Thomas Harte
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92d0c466c2
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Moves complete phase -> output calculation inside Operator.
Reasoning being: otherwise I wasn't currently enforcing non-sine waveforms.
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2020-04-19 13:27:24 -04:00 |
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Thomas Harte
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020c760976
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Simplifies the phase counter.
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2020-04-19 00:30:14 -04:00 |
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Thomas Harte
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cdfd7de221
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Minor: enables all melodic channels when rhythm mode is disabled; supports non-modulated channels.
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2020-04-18 17:48:29 -04:00 |
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Thomas Harte
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3da2e91acf
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Adjusts range of output, makes declaration of level full owner of type information.
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2020-04-17 23:29:09 -04:00 |
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Thomas Harte
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3948304172
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Attempts to use table-based maths.
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2020-04-17 23:23:16 -04:00 |
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Thomas Harte
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4a295cd95e
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Wraps log_sin in an access function to enshrine sign and mask rules; switches both functions to non-math.h clashing names.
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2020-04-17 23:22:42 -04:00 |
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Thomas Harte
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6f7c8b35c5
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Applies an ahead-of-time transformation to the exp table, and wraps it in a helper function.
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2020-04-17 22:33:13 -04:00 |
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Thomas Harte
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e58ba27c00
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Clarifies meaning of scaling. Though it isn't yet applied.
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2020-04-17 22:30:10 -04:00 |
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Thomas Harte
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0aceddd088
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Starts tidying up the OPL2.
This is as a precursor to switching to using the proper table lookups, which I hope will automatically fix my range issues.
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2020-04-15 22:10:50 -04:00 |
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