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791 Commits 1 Branch 122 Tags 59 MiB
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73 Commits

Author SHA1 Message Date
Lior Halphon ec0a879a93 Correct emulation of enabling and disabling the volume envelope. Correct emulation of a glitch where the volume envelope ticks when it usually wouldn’t. 2018-09-10 16:59:59 +03:00
Lior Halphon 3151821e6d Fixed minor APU regression (Channels 1 and 2 were given no delay under certain circumstances) 2018-09-09 12:50:55 +03:00
Lior Halphon b1cc55b786 Turns out Left/Right audio channels were flipped 2018-07-19 20:38:11 +03:00
Lior Halphon c66b6fbafc Fixed an edge case with DAC discharge emulation 2018-07-16 23:08:25 +03:00
Lior Halphon 2e9e3424ec Document some revision differences 2018-07-14 21:52:54 +03:00
Lior Halphon 0145b790a3 Merge branch 'v0.11.x' 2018-07-11 20:08:33 +03:00
Lior Halphon 5f58323c01 Attempt to improve audio quality on frontend with big audio buffers 2018-07-10 21:33:03 +03:00
Lior Halphon dc5cb71c22 Emulate CGB-C’s quirky LFSR function 2018-07-04 21:55:12 +03:00
Lior Halphon 45c73e0175 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. 2018-06-16 13:59:33 +03:00
Lior Halphon 38c0cb3323 Typo 2018-06-09 15:12:42 +03:00
Lior Halphon f64da1864f 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. 2018-06-09 15:11:20 +03:00
Lior Halphon 562b43a7c5 Notes about the DMG wave-ram glitch 2018-05-15 23:02:07 +03:00
Kyle Swanson 7bfe5de9c7 chmod -x 2018-03-28 21:37:34 -07:00
Lior Halphon 0912a30bb9 Fixed a regression in dmg_sound-2 2018-03-27 21:04:55 +03:00
Lior Halphon c48097a484 Convert div counter to the SM mechanism 2018-02-23 13:16:05 +02:00
Lior Halphon 9802ca41dd Components not affected by CGB’s double speed mode now operate in 8MHz mode to theoretically make advance_cycles(gb, 1) safe. 2018-02-20 21:17:12 +02:00
Lior Halphon f79af39ea2 More accurate emulation of the APU’s analog characteristics 2018-02-16 18:01:50 +02:00
Lior Halphon fc35111ae7 Corrected the emulated DAC’s range 2018-02-16 01:26:37 +02:00
Lior Halphon 0c231db9e7 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. 2018-02-13 23:13:15 +02:00
Lior Halphon bfb37884e1 Inactive channels are not equivalent to channels with 0 volume. 2018-02-11 22:50:15 +02:00
Lior Halphon afcc66fb3c 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. 2018-02-10 23:30:30 +02:00
Lior Halphon 09dd47c6de Fixed unintentional delay in NR50 and NR51’s effects 2018-01-19 19:56:39 +02:00
Lior Halphon 37906bcd1f Fixed sound pops in Super Mario Land 2. 2018-01-19 00:47:46 +02:00
Lior Halphon 0a76881eb6 Correctly emulating NRx4 effects on the sound envelop of the previously playing sound. Closes #19 2018-01-06 12:37:45 +02:00
Lior Halphon a20e8a8220 Fixed bug in NR42 write that also caused memory corruption 2018-01-06 12:17:06 +02:00
Lior Halphon a1af4c59ca Fixed NR51 volume levels (They’re 1-8, not 0-7) 2018-01-06 11:58:49 +02:00
Lior Halphon 61f9dbd95d Use SDL’s key mapping when available 2017-12-28 20:22:54 +02:00
Lior Halphon c1f27d7b27 Spacing 2017-10-02 22:59:03 +03:00
Lior Halphon d9b0576351 Emulation of NRX2-write glitches. Fixes Prehistorik Man audio. 2017-10-02 22:56:24 +03:00
Lior Halphon 67f1566b5e Minor refinement to sweep 2017-09-23 00:23:02 +03:00
Lior Halphon e0a6edac35 Setting sweep period to 0 cancels pending calculate event 2017-09-22 14:53:24 +03:00
Lior Halphon 2ffce49e16 Minor bugfixes related to sweeping 2017-09-22 14:39:39 +03:00
Lior Halphon 75db33559a Current sample index (Channel 1 and 2) is only reset after turning the APU off 2017-09-22 02:25:06 +03:00
Lior Halphon 8f4cd5c412 Corrected behavior for channel 1 and 2 restart 2017-09-22 02:04:29 +03:00
Lior Halphon 882b141478 Fixed dmg_sound-1 2017-09-21 18:32:21 +03:00
Lior Halphon 2ca550273a Fixed dmg_sound-5 2017-09-21 18:18:10 +03:00
Lior Halphon d3c15ef6ca Fixing APU bugs, one at a time: Blargg’s dmg_sound 8.2 2017-09-21 14:52:09 +03:00
Lior Halphon 62878fdc7a More accurate div-event handling 2017-08-15 22:27:15 +03:00
Lior Halphon 8d011ca4b9 Accuracy improvements (Sweep) 2017-08-15 22:05:20 +03:00
Lior Halphon d04aaddcbd Added highpass filter 2017-08-15 21:59:11 +03:00
Lior Halphon ca59aca4a6 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. 2017-08-13 20:26:35 +03:00
Lior Halphon 36943866e2 Better click prevention 2017-08-12 23:35:18 +03:00
Lior Halphon dba7370d6d Turns out APU signal is inverted. This fixes Perfect Dark’s audio. 2017-08-12 20:47:55 +03:00
Lior Halphon 688991f57f The volume envelopes and length controls are handled in different phases of the div-divider 2017-08-12 20:17:20 +03:00
Lior Halphon 4b8be255ce Fixed some channel 4 delays, documented a not currently emulated timing quirk. 2017-08-12 19:50:39 +03:00
Lior Halphon 066efab985 In DMG mode, the length registers are not affected by turning the APU on and off. Why? Why not! 2017-08-11 22:23:03 +03:00
Lior Halphon 0e22ad8eb1 Noise channel support 2017-08-11 17:57:08 +03:00
Lior Halphon 1a8bcd314d Accuracy improvements to sweeping (Still not complete though, more research needed) 2017-08-10 19:42:23 +03:00
Lior Halphon ab5611119a Accuracy improvements, especially to the length control 2017-08-02 21:14:23 +03:00
Lior Halphon d65c2247e5 Added channel 1 and 2, fixed accuracy issues with channel 3 2017-07-27 23:11:33 +03:00