Bobbi Webber-Manners
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0bb099bdfd
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Moved ISR ZP to ISRL/ISRH ($02,$03). Fix #247.
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2023-01-04 18:44:48 -05:00 |
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Bobbi Webber-Manners
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1027179f6e
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Fixed #199 - ISR now has exclusive use of A3L/A3H.
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2022-12-21 21:04:44 -05:00 |
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Bobbi Webber-Manners
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56883335b5
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Ensoniq noise channel is now feature-complete.
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2022-11-25 23:09:40 -05:00 |
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Bobbi Webber-Manners
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ec02d0cc41
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Modified ADSR envelope, seems to work better.
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2022-11-25 21:56:55 -05:00 |
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Bobbi Webber-Manners
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943cce4f70
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ADSR envelope overflow bugfix.
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2022-11-24 16:21:36 -05:00 |
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Bobbi Webber-Manners
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3e3ada7972
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Shutdown interrupt & deregister ISR on *QUIT.
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2022-11-22 16:10:06 -05:00 |
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Bobbi Webber-Manners
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db6cf6c73c
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Supports both Ensoniq (GS) and Mockingboard (//e).
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2022-11-21 16:02:46 -05:00 |
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Bobbi Webber-Manners
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77b47d5386
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Mockingboard code complete / doesn't work yet.
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2022-11-18 23:58:53 -05:00 |
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Bobbi Webber-Manners
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ca404e2697
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Added Mockingboard frequencies table
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2022-11-18 22:43:24 -05:00 |
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Bobbi Webber-Manners
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ebee7a0844
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More Mockingboard work.
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2022-11-18 19:26:20 -05:00 |
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Bobbi Webber-Manners
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1afcae2025
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Some draft Mockingboard code - not complete.
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2022-11-17 22:26:46 -05:00 |
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Bobbi Webber-Manners
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b39ae02167
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Moved Ensoniq code to mainmem.ensq.s
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2022-11-17 19:31:29 -05:00 |
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Bobbi Webber-Manners
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d5686988d6
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Corrected audio hold flag semantics.
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2022-11-10 23:22:34 -05:00 |
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Bobbi Webber-Manners
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8b16504299
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Pitch envelope fix.
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2022-11-07 19:28:43 -05:00 |
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Bobbi Webber-Manners
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a7d00985bf
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Audio bugfix. INS and CNP must not enable IRQ!!
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2022-11-07 14:55:57 -05:00 |
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Bobbi Webber-Manners
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6c8749eb51
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Calibrated frequency and duration properly.
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2022-11-06 23:06:47 -05:00 |
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Bobbi Webber-Manners
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f5074c6de6
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Updated comments in mainmem.audio.s
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2022-11-05 17:17:33 -04:00 |
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Bobbi Webber-Manners
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2ed8f9b785
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Adjusted 100Hz timer. Added BBC BASIC tunes.
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2022-11-04 22:30:29 -04:00 |
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Bobbi Webber-Manners
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3f8465983b
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Minor tweak to audio engine 'hold' function.
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2022-11-03 23:35:17 -04:00 |
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Bobbi Webber-Manners
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634841df6d
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Implemented *BUILD.
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2022-11-02 23:56:29 -04:00 |
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Bobbi Webber-Manners
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e969d2cceb
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First attempt at calibrating frequency
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2022-10-31 21:13:13 -04:00 |
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Bobbi Webber-Manners
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76ca965adb
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Added five-byte system clock, OSWORD &01.
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2022-10-31 18:47:29 -04:00 |
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Bobbi Webber-Manners
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43e429d4df
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Implemented ADSR release 'hold' feature
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2022-10-31 17:48:52 -04:00 |
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Bobbi Webber-Manners
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7fece994bc
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Removed unnecessary PHY/PLY.
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2022-10-31 16:34:42 -04:00 |
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Bobbi Webber-Manners
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f3ee7bfef2
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If prev note hasn't decayed, use residual amplitude
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2022-10-30 17:54:22 -04:00 |
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Bobbi Webber-Manners
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c407ce0d6b
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Maintain hold nybble when releasing note
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2022-10-30 17:35:31 -04:00 |
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Bobbi Webber-Manners
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38cb7cd1b4
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Added additional envelope buffers.
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2022-10-26 03:22:03 -04:00 |
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Bobbi Webber-Manners
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1b9f7acd55
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Fixed bug in chord synchronization.
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2022-10-25 21:39:41 -04:00 |
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Bobbi Webber-Manners
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2af37adc82
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Implement ADSR release phase.
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2022-10-25 15:47:27 -04:00 |
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Bobbi Webber-Manners
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911424173b
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Bugfix for ADSR with change/step = 0
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2022-10-25 14:36:02 -04:00 |
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Bobbi Webber-Manners
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a31c9d6374
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Fixed bug in amplitude envelope handling.
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2022-10-24 20:50:37 -04:00 |
jgharston
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9d55776cb3
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Minor bugfixes
ROMINIT sets ROMID to 'unknown', allows ROMSELECT optimisation to work.
Bugfix to BUFREM in audio.s
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2022-10-19 15:38:17 +01:00 |
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Bobbi Webber-Manners
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2eb2bb82f9
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ADSR refactoring.
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2022-10-18 00:15:39 -04:00 |
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Bobbi Webber-Manners
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5c67403cb4
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More work on ADSR envelope.
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2022-10-17 01:54:49 -04:00 |
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Bobbi Webber-Manners
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135bea7d2d
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First hack at attack envelope. Seems to work.
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2022-10-16 18:10:25 -04:00 |
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Bobbi Webber-Manners
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ba828c5ad4
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Set 'no envelope' when silencing a note.
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2022-10-16 00:43:49 -04:00 |
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Bobbi Webber-Manners
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7cea322407
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Added support for repeating pitch envelopes.
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2022-10-16 00:09:15 -04:00 |
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Bobbi Webber-Manners
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9442600894
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Pitch envelope working (!)
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2022-10-15 23:20:23 -04:00 |
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Bobbi Webber-Manners
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fc05237d37
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Pitch envelope fixes.
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2022-10-15 23:04:43 -04:00 |
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Bobbi Webber-Manners
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55cca2ea25
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Bumped up date to 2022-10-15.
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2022-10-15 20:07:41 -04:00 |
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Bobbi Webber-Manners
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dec5df0707
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Some bugfix. Pitch envelope more or less complete. Untested!
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2022-10-15 03:32:39 -04:00 |
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Bobbi Webber-Manners
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dd4ac31e4c
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Partial implementation of pitch envelope.
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2022-10-15 03:18:09 -04:00 |
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Bobbi Webber-Manners
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30119703d3
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Further work on ENVELOPE data structures.
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2022-10-15 02:35:21 -04:00 |
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Bobbi Webber-Manners
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7ef3eaf70f
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Fixed mainmem.audio.s to use A1L,A1H not OSINTWS
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2022-10-15 02:22:25 -04:00 |
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Bobbi Webber-Manners
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6812429cc9
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More groundwork for ENVELOPE. Volume is now 0 to -15, like Beeb.
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2022-10-15 00:32:25 -04:00 |
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Bobbi Webber-Manners
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366b68ee1a
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Code cleanup/preparation for envelope handling.
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2022-10-14 23:25:16 -04:00 |
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Bobbi Webber-Manners
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34d28c4256
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Implemented OSWORD &08 (ENVELOPE). No back end yet.
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2022-10-14 22:33:52 -04:00 |
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Bobbi Webber-Manners
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88dd400535
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Merge code from ensoniq branch. Disabled by default.
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2022-10-14 00:22:27 -04:00 |