Lior Halphon
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3035f43428
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Emulation of DAC charging, Fixes #46, #85, #88 and #89
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2018-10-19 23:53:01 +03:00 |
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Lior Halphon
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4276549acd
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Research notes TODOs
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2018-10-19 01:02:27 +03:00 |
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Lior Halphon
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324201f336
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Correct emulation of switching the DACs on and off. Fixes #100 and #87
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2018-10-17 20:35:29 +03:00 |
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Lior Halphon
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ec0a879a93
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Correct emulation of enabling and disabling the volume envelope. Correct emulation of a glitch where the volume envelope ticks when it usually wouldn’t.
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2018-09-10 16:59:59 +03:00 |
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Lior Halphon
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3151821e6d
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Fixed minor APU regression (Channels 1 and 2 were given no delay under certain circumstances)
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2018-09-09 12:50:55 +03:00 |
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Lior Halphon
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b1cc55b786
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Turns out Left/Right audio channels were flipped
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2018-07-19 20:38:11 +03:00 |
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Lior Halphon
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c66b6fbafc
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Fixed an edge case with DAC discharge emulation
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2018-07-16 23:08:25 +03:00 |
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Lior Halphon
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2e9e3424ec
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Document some revision differences
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2018-07-14 21:52:54 +03:00 |
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Lior Halphon
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0145b790a3
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Merge branch 'v0.11.x'
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2018-07-11 20:08:33 +03:00 |
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Lior Halphon
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5f58323c01
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Attempt to improve audio quality on frontend with big audio buffers
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2018-07-10 21:33:03 +03:00 |
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Lior Halphon
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dc5cb71c22
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Emulate CGB-C’s quirky LFSR function
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2018-07-04 21:55:12 +03:00 |
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Lior Halphon
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45c73e0175
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Replaced the is_cgb bool with a more future compatible model enum. Removed the GB_init_cgb API and replaced it with an extended GB_init and GB_switch_model_and_reset APIs that now receive a model parameter. Increased the struct version.
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2018-06-16 13:59:33 +03:00 |
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Lior Halphon
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38c0cb3323
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Typo
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2018-06-09 15:12:42 +03:00 |
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Lior Halphon
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f64da1864f
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APU glitch: When turning the APU on while DIV's bit 4 (or 5 in double speed mode), the first DIV/APU event is skipped.
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2018-06-09 15:11:20 +03:00 |
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Lior Halphon
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562b43a7c5
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Notes about the DMG wave-ram glitch
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2018-05-15 23:02:07 +03:00 |
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Kyle Swanson
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7bfe5de9c7
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chmod -x
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2018-03-28 21:37:34 -07:00 |
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Lior Halphon
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0912a30bb9
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Fixed a regression in dmg_sound-2
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2018-03-27 21:04:55 +03:00 |
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Lior Halphon
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c48097a484
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Convert div counter to the SM mechanism
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2018-02-23 13:16:05 +02:00 |
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Lior Halphon
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9802ca41dd
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Components not affected by CGB’s double speed mode now operate in 8MHz mode to theoretically make advance_cycles(gb, 1) safe.
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2018-02-20 21:17:12 +02:00 |
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Lior Halphon
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f79af39ea2
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More accurate emulation of the APU’s analog characteristics
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2018-02-16 18:01:50 +02:00 |
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Lior Halphon
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fc35111ae7
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Corrected the emulated DAC’s range
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2018-02-16 01:26:37 +02:00 |
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Lior Halphon
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0c231db9e7
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This is probably not correct (and makes no sense from an hardware design perspective), but this correctly emulates my analog test cases and fixes the pops introduced by the last commit.
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2018-02-13 23:13:15 +02:00 |
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Lior Halphon
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bfb37884e1
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Inactive channels are not equivalent to channels with 0 volume.
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2018-02-11 22:50:15 +02:00 |
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Lior Halphon
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afcc66fb3c
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Added CPU under/over-clocking support in Core, add under-clocking hotkey in the Cocoa port, allow modifier keys to be configured as input keys in Cocoa.
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2018-02-10 23:30:30 +02:00 |
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Lior Halphon
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09dd47c6de
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Fixed unintentional delay in NR50 and NR51’s effects
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2018-01-19 19:56:39 +02:00 |
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Lior Halphon
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37906bcd1f
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Fixed sound pops in Super Mario Land 2.
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2018-01-19 00:47:46 +02:00 |
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Lior Halphon
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0a76881eb6
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Correctly emulating NRx4 effects on the sound envelop of the previously playing sound. Closes #19
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2018-01-06 12:37:45 +02:00 |
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Lior Halphon
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a20e8a8220
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Fixed bug in NR42 write that also caused memory corruption
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2018-01-06 12:17:06 +02:00 |
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Lior Halphon
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a1af4c59ca
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Fixed NR51 volume levels (They’re 1-8, not 0-7)
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2018-01-06 11:58:49 +02:00 |
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Lior Halphon
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61f9dbd95d
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Use SDL’s key mapping when available
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2017-12-28 20:22:54 +02:00 |
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Lior Halphon
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c1f27d7b27
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Spacing
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2017-10-02 22:59:03 +03:00 |
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Lior Halphon
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d9b0576351
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Emulation of NRX2-write glitches. Fixes Prehistorik Man audio.
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2017-10-02 22:56:24 +03:00 |
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Lior Halphon
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67f1566b5e
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Minor refinement to sweep
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2017-09-23 00:23:02 +03:00 |
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Lior Halphon
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e0a6edac35
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Setting sweep period to 0 cancels pending calculate event
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2017-09-22 14:53:24 +03:00 |
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Lior Halphon
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2ffce49e16
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Minor bugfixes related to sweeping
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2017-09-22 14:39:39 +03:00 |
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Lior Halphon
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75db33559a
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Current sample index (Channel 1 and 2) is only reset after turning the APU off
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2017-09-22 02:25:06 +03:00 |
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Lior Halphon
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8f4cd5c412
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Corrected behavior for channel 1 and 2 restart
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2017-09-22 02:04:29 +03:00 |
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Lior Halphon
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882b141478
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Fixed dmg_sound-1
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2017-09-21 18:32:21 +03:00 |
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Lior Halphon
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2ca550273a
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Fixed dmg_sound-5
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2017-09-21 18:18:10 +03:00 |
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Lior Halphon
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d3c15ef6ca
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Fixing APU bugs, one at a time: Blargg’s dmg_sound 8.2
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2017-09-21 14:52:09 +03:00 |
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Lior Halphon
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62878fdc7a
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More accurate div-event handling
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2017-08-15 22:27:15 +03:00 |
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Lior Halphon
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8d011ca4b9
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Accuracy improvements (Sweep)
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2017-08-15 22:05:20 +03:00 |
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Lior Halphon
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d04aaddcbd
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Added highpass filter
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2017-08-15 21:59:11 +03:00 |
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Lior Halphon
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ca59aca4a6
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Fixed a bug where writing to NR52 affected channels 1 and 2’s duty pattern in DMG mode. Fixed NR43 being written to NR44 as well.
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2017-08-13 20:26:35 +03:00 |
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Lior Halphon
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36943866e2
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Better click prevention
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2017-08-12 23:35:18 +03:00 |
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Lior Halphon
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dba7370d6d
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Turns out APU signal is inverted. This fixes Perfect Dark’s audio.
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2017-08-12 20:47:55 +03:00 |
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Lior Halphon
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688991f57f
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The volume envelopes and length controls are handled in different phases of the div-divider
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2017-08-12 20:17:20 +03:00 |
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Lior Halphon
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4b8be255ce
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Fixed some channel 4 delays, documented a not currently emulated timing quirk.
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2017-08-12 19:50:39 +03:00 |
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Lior Halphon
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066efab985
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In DMG mode, the length registers are not affected by turning the APU on and off. Why? Why not!
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2017-08-11 22:23:03 +03:00 |
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Lior Halphon
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0e22ad8eb1
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Noise channel support
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2017-08-11 17:57:08 +03:00 |