Thomas Harte
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18790a90ae
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Ensures timer 2 doesn't use timed behaviour when in pulse mode.
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2020-09-17 21:09:32 -04:00 |
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Thomas Harte
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21afc70261
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Adds formal data-sheet names.
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2020-09-17 19:00:46 -04:00 |
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Thomas Harte
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a17d0e428f
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Protects against some further uninitialised values.
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2020-09-16 18:15:57 -04:00 |
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Thomas Harte
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bb57f0bcc7
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Ensures all 6560 properties have a valid default value.
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2020-09-16 17:24:18 -04:00 |
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Thomas Harte
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fa95a17af5
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Resolves receive_bit_count-unused warnings.
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2020-07-24 21:59:27 -04:00 |
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Thomas Harte
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8aeebdbc99
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Remove redundant comment.
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2020-07-16 23:26:45 -04:00 |
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Thomas Harte
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1288369865
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Merge branch 'master' into FurtherSCC
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2020-07-11 23:54:40 -04:00 |
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Thomas Harte
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2477752fa4
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Adds further [[fallthrough]] attributes.
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2020-06-19 23:36:51 -04:00 |
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Thomas Harte
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3cb1072c29
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Adds an explicit [[fallthrough]] tag.
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2020-06-19 23:10:25 -04:00 |
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Thomas Harte
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d64b4fbc26
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Adds a Qt timer class. Precision seems to be 'acceptable'.
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2020-05-31 23:39:08 -04:00 |
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Thomas Harte
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73131735fa
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Further qmake warning corrections.
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2020-05-30 19:31:17 -04:00 |
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Thomas Harte
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48afc54af6
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Cuts down unused parameter warnings to just a few that may well indicate implementation errors.
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2020-05-30 01:06:43 -04:00 |
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Thomas Harte
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267006782f
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Starts to add Qt target; resolves many build warnings.
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2020-05-30 00:37:06 -04:00 |
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Thomas Harte
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512a52e88d
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Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
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2020-05-20 23:34:26 -04:00 |
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Thomas Harte
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66c2eb0414
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Further tightens const and constexpr usage.
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2020-05-12 22:22:21 -04:00 |
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Thomas Harte
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9458963311
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Factors out shift by 7.
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2020-05-10 13:57:50 -04:00 |
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Thomas Harte
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44690b1066
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Halves effect of vibrato.
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2020-05-10 12:05:14 -04:00 |
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Thomas Harte
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64c62c16fb
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Adjusts tremolo scale.
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2020-05-10 00:43:46 -04:00 |
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Thomas Harte
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afef4f05fe
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Adds damping and phase resets for the rhythm section.
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2020-05-10 00:10:51 -04:00 |
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Thomas Harte
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25996ce180
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Further doubles down on construction syntax for type conversions.
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2020-05-09 23:00:39 -04:00 |
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Thomas Harte
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31c6faf3c8
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Adds a bunch of consts.
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2020-05-09 21:23:52 -04:00 |
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Thomas Harte
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40b60fe5d4
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Renames folder as per intended scope.
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2020-05-09 18:04:11 -04:00 |
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Thomas Harte
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eed357abb4
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Introduces concept of 'average peak volume' in order better to normalise audio sources like the OPLL.
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2020-05-09 17:57:21 -04:00 |
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Thomas Harte
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8f541602c1
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Moves modulator updates a sample behind operator updates.
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2020-05-08 21:14:25 -04:00 |
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Thomas Harte
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668f4b77f3
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Implements feedback.
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2020-05-08 21:05:23 -04:00 |
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Thomas Harte
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303965fbb8
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Removes the crutch of my first-attempt implementation.
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2020-05-08 20:53:34 -04:00 |
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Thomas Harte
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792aed242d
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Fixes the use-sustain flag.
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2020-05-08 20:49:39 -04:00 |
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Thomas Harte
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dc5654b941
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Attempts to implement the proper attack phase.
It's sounding pretty good now, but for sustain.
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2020-05-08 18:59:05 -04:00 |
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Thomas Harte
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e51e2425cc
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Attempts to implement decay and release the right way around and with full precision.
Higher numbers = decay/release more quickly, not more slowly.
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2020-05-08 18:40:49 -04:00 |
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Thomas Harte
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95c6b9b55d
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Declare proper envelope precision.
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2020-05-08 17:58:50 -04:00 |
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Thomas Harte
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ea25ead19d
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Ensures rhythm envelope generators don't pick up should_damp state.
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2020-05-08 00:18:31 -04:00 |
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Thomas Harte
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24100ec3b0
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Switches snare and high-hat envelope generators.
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2020-05-08 00:08:14 -04:00 |
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Thomas Harte
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32437fbf8b
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Attempts to use the proper rhythm mode envelope generators.
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2020-05-07 23:56:15 -04:00 |
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Thomas Harte
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5219a86a41
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In principle fully implements rhythm mode.
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2020-05-07 23:38:51 -04:00 |
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Thomas Harte
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e12dc5d894
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Reduce the amount of time spent installing instruments.
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2020-05-06 00:15:28 -04:00 |
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Thomas Harte
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75315406bb
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Ensure all channels begin in 'release' phase, which is currently code for 'off' in conjunction with attenuation of 511.
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2020-05-06 00:13:01 -04:00 |
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Thomas Harte
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ea42fe638a
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Corrects channel attenuation and carrier sustain level settings.
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2020-05-05 23:41:15 -04:00 |
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Thomas Harte
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744211cec0
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Ensures rhythm instruments are installed.
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2020-05-05 23:13:13 -04:00 |
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Thomas Harte
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1a4321d7d0
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Attempts better to balance attenuations.
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2020-05-05 22:14:11 -04:00 |
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Thomas Harte
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b943441901
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Marks up more specific TODOs.
I think I'm already much happier with this factoring.
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2020-05-05 00:35:03 -04:00 |
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Thomas Harte
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0505b82384
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Restores top bit of channel period, propagates it to the envelope generator.
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2020-05-05 00:28:24 -04:00 |
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Thomas Harte
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c9fb5721cd
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Makes first attempt to reintroduce full-melodic output.
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2020-05-05 00:16:45 -04:00 |
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Thomas Harte
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386a7ca442
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Continues doing away with the attempt heavily to interleave the OPLL and OPL2, creating a new OPLL class.
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2020-05-04 21:14:51 -04:00 |
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Thomas Harte
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e929d5d819
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Ensures proper dereferencing of the std::optional.
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2020-05-03 21:57:15 -04:00 |
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Thomas Harte
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94614ae4c3
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Shifts the LFO implementation inline.
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2020-05-03 21:44:22 -04:00 |
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Thomas Harte
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1223c99e0f
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Adds waveform generation logic to the new factoring.
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2020-05-03 21:38:20 -04:00 |
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Thomas Harte
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1ff5ea0a6e
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Adds KeyLevelScaler, implements EnvelopeGenerator, adds reset to PhaseGenerator.
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2020-05-03 16:24:55 -04:00 |
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Thomas Harte
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9d2691d1d2
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Taking it as given that outstanding deficiencies are mostly due to poor design, starts breaking out the envelope and phase generators.
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2020-05-01 23:46:42 -04:00 |
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Thomas Harte
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e4ef2c68bb
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Feeds through drum volume levels.
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2020-04-30 19:35:09 -04:00 |
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Thomas Harte
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7fffafdfd4
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Wires the high-hat through, possibly incorrectly.
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2020-04-29 22:44:15 -04:00 |
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Thomas Harte
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c4135fad2b
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Attempts completely to decouple updates and audio outputs.
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2020-04-29 22:07:40 -04:00 |
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Thomas Harte
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9f0c8bcae7
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Attempts to add the missing noise generators. I think I may still be astray on volumes.
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2020-04-26 15:51:33 -04:00 |
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Thomas Harte
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2bc36a6cde
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Eliminates branch within snare output.
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2020-04-26 00:21:15 -04:00 |
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Thomas Harte
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ee10fe3d2c
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Fully separates updates and outputs in operators; takes a shot at the snare.
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2020-04-26 00:18:09 -04:00 |
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Thomas Harte
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a424e867f9
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Continues factoring this apart, albeit with a decision on whether to retain update-and-output still pending.
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2020-04-25 23:07:40 -04:00 |
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Thomas Harte
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f52b40396a
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Re-ups output level.
Though it's still quiet compared to the SN.
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2020-04-25 23:07:06 -04:00 |
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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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12c618642e
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Corrects output range.
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2020-04-25 00:07:58 -04:00 |
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Thomas Harte
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6ebc93c995
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Switches to maximum-rate multiplexing. Hopefully to eliminate the mixer as a consideration for now.
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2020-04-24 23:50:06 -04:00 |
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Thomas Harte
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6d4e29c851
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Strips mixer back to basics in search of audio issues.
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2020-04-24 23:32:02 -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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f19fd7c166
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Pulls out common melodic update calls.
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2020-04-20 18:58:31 -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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Thomas Harte
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30ff399218
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With some fixes for scale, I think possibly this is close for melodic channels.
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2020-04-15 21:27:27 -04:00 |
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Thomas Harte
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a7e63b61eb
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Just from printing numbers: corrects transition from attack to decay.
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2020-04-15 00:26:01 -04:00 |
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Thomas Harte
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b13b0d9311
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Starts towards implementing some OPL test cases.
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2020-04-14 23:51:45 -04:00 |
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Thomas Harte
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d8380dc3e2
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Tries to be a little neater in spelling out the work here.
I think I'm somewhat circling here now; I need to think of a way of getting clean comparison data.
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2020-04-14 21:55:42 -04:00 |
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Thomas Harte
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d805e9a8f0
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Actually, octave probably works this way around? Higher octaves = higher frequencies.
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2020-04-14 21:39:12 -04:00 |
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Thomas Harte
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aa45142728
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Endeavours to fix attenuation and add FM synthesis.
I now definitely think my frequency counting is wrong.
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2020-04-14 18:32:06 -04:00 |
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Thomas Harte
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09d1aed3a5
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Attempts to voice the current attenuation (and, therefore, the ADSR output), even if linearly rather than logarithmically.
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2020-04-13 22:12:55 -04:00 |
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Thomas Harte
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a1f80b5142
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Takes a stab at per-operator ADSR.
Heavy caveats apply: no KSR is applied, non-ADSR attenuation isn't applied, attenuation isn't voiced in general.
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2020-04-13 21:39:06 -04:00 |
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Thomas Harte
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d3fbdba77c
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Add missing #include.
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2020-04-12 14:20:02 -04:00 |
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Thomas Harte
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632d797c9d
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Adjusts frequency formula. This could be close.
I guess next I need to get ADSR/volume in general working, before I can go FM? Then I'll worry about using the proper log-sin/exp tables.
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2020-04-12 14:15:09 -04:00 |
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Thomas Harte
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559a2d81c1
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Baby step: starts trying to output the raw FM carrier, no modulation, no ADSR.
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2020-04-12 12:46:40 -04:00 |
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Thomas Harte
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7a5f23c0a5
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Adds accommodations for the OPLL.
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2020-04-10 22:05:22 -04:00 |
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