Max/SameBoy
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94 Commits

Author SHA1 Message Date
Lior Halphon
e268efefef Redesign and reimplement the audio API, let the frontends handle more stuff. Probably affects #161 2019-06-15 23:22:27 +03:00
Lior Halphon
9d8adbb581 This is not correct, this bug only affects the PCM registers and not actual output. Currently not emulated at all. 2019-06-07 18:37:19 +03:00
Lior Halphon
64879f5b02 Accurate emulation of (most aspects of) stop mode 2019-06-07 13:53:50 +03:00
Lior Halphon
4c34e0a6e0 Turns out the AGB inverts Channel 3’s output 2019-06-01 18:22:58 +03:00
Lior Halphon
85c43fa81f Fixed Channel 3’s first sample behavior, update analog characteristic to more realistic values. Fixes #177 2019-05-25 19:12:09 +03:00
Lior Halphon
280467ad38
Merge branch 'master' into master 2019-05-17 20:31:52 +03:00
Lior Halphon
91eeb4d9d5 Emulate AGB audio mixing 2019-05-17 00:08:34 +03:00
ISSOtm
40f83c8f25 Add APU-related debugger commands 
This change includes making one of the APU functions public
 2019-05-15 12:45:51 +02:00
Lior Halphon
ddc4e7484b Fix and restore optimization 2019-05-10 22:29:30 +03:00
Lior Halphon
06670fc970 Fix #172. Allow unroll optimizations when compiling with GCC. 2019-05-10 21:51:11 +03:00
orbea
2bded45397 Disable pragmas for gcc. 2019-05-09 10:55:31 -07:00
Lior Halphon
dde06e7cae Work around a crashing race condition, proper fix needed 2019-01-28 20:56:37 +02:00
Lior Halphon
7b36ee10a4 Merge branch 'master' into sgb 2019-01-05 19:00:22 +02:00
Lior Halphon
4051f190a5 Cache cycles_per_sample to avoid FP arithmetic 2019-01-01 00:42:40 +02:00
Lior Halphon
9d947c7ce6 Unroll some APU loops 2018-12-31 23:09:56 +02:00
Lior Halphon
2d6d1e6325 SGB boot animation 2018-11-24 13:21:00 +02:00
Lior Halphon
a39b314378 Fixed silly APU regression (Noise volume envelope ran too fast) Fixes #121 2018-11-03 14:37:19 +02:00
Lior Halphon
64922fff4b Fixed a bug where channels 1 and 2 would start playing earlier than they should have if NRx4 was written to twice. Fixes #86. 2018-10-29 00:44:43 +02:00
Lior Halphon
3035f43428 Emulation of DAC charging, Fixes #46, #85, #88 and #89 2018-10-19 23:53:01 +03:00
Lior Halphon
4276549acd Research notes TODOs 2018-10-19 01:02:27 +03:00
Lior Halphon
324201f336 Correct emulation of switching the DACs on and off. Fixes #100 and #87 2018-10-17 20:35:29 +03:00
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