Commit Graph

211 Commits

Author SHA1 Message Date
Lior Halphon 2c71ca789f Fixed a regression caused by a recent optimization 2022-01-09 15:36:01 +02:00
Lior Halphon b7f03dea8d Add CGB-A support 2022-01-05 21:55:46 +02:00
Lior Halphon 79ec22b28e Clang hates this 2022-01-03 17:55:00 +02:00
Lior Halphon 5c17c0ec3b unreachable fun 2022-01-03 17:17:35 +02:00
Lior Halphon 59c315a5dd Minor free optimization 2021-12-29 16:33:04 +02:00
Lior Halphon 769aac93c0 Lazy APU, extra ~17% speed up 2021-12-29 00:48:44 +02:00
Lior Halphon c53d99dbc4 Abolished slow double use 2021-12-26 15:20:46 +02:00
Lior Halphon f866441481 Improved emulation of channel 3 wave RAM read glitch 2021-12-19 19:27:40 +02:00
Lior Halphon 18e7a3f4fa Cleanup, better symbol handling, improves LTO 2021-11-07 13:39:18 +02:00
Lior Halphon fbf1bb7f98 Save state compatibility breaking cleanup 2021-11-07 12:56:46 +02:00
Lior Halphon f237b1e9b9 CGB-0 support 2021-11-04 00:35:44 +02:00
Lior Halphon 6cd13be624 Add CGB-B support 2021-10-30 20:58:57 +03:00
Lior Halphon e6c4ceaf5a Add CGB-D support 2021-10-27 01:40:28 +03:00
Lior Halphon 18007f0e53 MGB support 2021-10-23 23:28:54 +03:00
Lior Halphon 94776fcf8c Better (But imperfect) emulation of the wave RAM address bug glitch 2021-10-19 01:53:24 +03:00
Lior Halphon 886363b398 Now this glitch makes more sense 2021-10-17 12:52:08 +03:00
Lior Halphon 7ef198ec50 More accurate channel 3 restarts 2021-10-17 02:06:33 +03:00
Lior Halphon ef053ff113 APU regression fix 2021-10-07 18:25:54 +03:00
Lior Halphon b27bd4eed7 Remove redundant condition 2021-09-04 18:15:22 +03:00
Lior Halphon e5454a39b7 Block wave RAM writes on the AGB 2021-09-04 14:18:46 +03:00
Lior Halphon 0ca1ee6a35 Minor APU clean ups 2021-09-02 01:29:38 +03:00
Lior Halphon eefaac3d04 NR32 was treated as the wrong value on APU reset 2021-08-31 23:28:05 +03:00
Lior Halphon ea97c1dc0b Fix an APU regression that caused some games in DMG mode to play in the wrong pitch 2021-03-01 21:44:54 +02:00
Lior Halphon 1fdb4f09b4 Fix a sweep regression in DMG/SGB mode and CGB-C mode 2021-02-28 03:40:58 +02:00
Lior Halphon 6ec4583aa0 Tell GCC to calm down 2021-02-25 15:52:48 +02:00
Lior Halphon 4c05ebcea6 Redo the volume envelope with better timings, locking emulation and zombie mode edge cases. Fixes #344 2021-02-25 15:43:38 +02:00
Lior Halphon 8809d8ac2f More correct emulation of manual clocking of channels 1 and 2 2021-02-22 15:27:36 +02:00
Lior Halphon 71c88323b7 Rename UNROLL to unrolled (`unrolled for`) 2021-02-22 14:45:30 +02:00
Lior Halphon 393269ae1f Emulate volume envelope locking 2021-02-22 13:48:56 +02:00
Lior Halphon d50fdc52ea Further accuracy improvements to the audio envelope 2021-02-22 01:58:43 +02:00
Lior Halphon 6d2d88648e Improved emulation of the volume envelope 2021-02-22 01:10:14 +02:00
Lior Halphon 95051d1c1c Improved emulation of the NRx2 write glitch (Zombie mode) on models prior to CGB-D 2021-02-13 23:00:20 +02:00
Lior Halphon 2d76698279 Emulation of NR43 bit 3 glitch on CGB-C and older 2021-01-31 19:17:26 +02:00
Lior Halphon d67580c964 Oops, that was reversed 2021-01-31 17:16:59 +02:00
Lior Halphon ef9671010b More NR43 obscurities 2021-01-24 20:57:46 +02:00
Lior Halphon 8e1e889ce0 Add a TODO 2021-01-16 15:31:09 +02:00
Lior Halphon 13a1e9d332 Timing fix 2021-01-16 14:43:32 +02:00
Lior Halphon 0056cc2d61 Revert "Further NR43 write glitch emulation" for now
This reverts commit e384707615.
2021-01-16 14:42:13 +02:00
Lior Halphon e384707615 Further NR43 write glitch emulation 2021-01-10 17:20:25 +02:00
Lior Halphon 07e76a4ecf Oh boy, looks like my CGB-B is unique 2021-01-09 23:28:30 +02:00
Lior Halphon 1b3f52e8c0 Improved emulation of NR43 writes on different revisions 2021-01-09 21:21:22 +02:00
Lior Halphon 2aa171e0ea Better sample alignment on pre-CGB-D models 2021-01-09 16:26:56 +02:00
Lior Halphon c0582fd994 More accurate emulation of NR10 writes 2021-01-09 00:31:16 +02:00
Lior Halphon f9b13c66b1 Emulation of a newly discovered revision specific APU quirk 2021-01-03 13:49:36 +02:00
Lior Halphon ecace40fb0 Minor APU bug fix 2021-01-02 18:27:21 +02:00
Lior Halphon a9c337264e Fix the last remaining APU test 2021-01-02 16:23:34 +02:00
Lior Halphon b54a72d9b9 Fixing a bug where where zero-shift sweep wouldn't tick 2021-01-02 14:56:45 +02:00
Lior Halphon 5c854dbdca Interference emulation 2020-12-31 00:07:04 +02:00
Lior Halphon 555835549a More accurate pausing behavior, including revision differences 2020-12-12 20:35:18 +02:00
Lior Halphon dffc12331b Emulate the delayed NR44 write on the DMG 2020-12-12 18:11:35 +02:00
Lior Halphon 7de6194e28 Redo channel 4's timing accurately, emulate NR43 write quirks 2020-12-12 16:02:25 +02:00
Lior Halphon 1baa0446a9 More sweep improvements 2020-12-01 22:37:13 +02:00
Lior Halphon 13bc8679f9 Correct preservation of NRx1's state on pre-CGB models 2020-12-01 14:18:19 +02:00
Lior Halphon 74cf452a48 Further accuracy improvements to sweep; passes Blargg's APU tests again, this time for real 2020-12-01 14:17:35 +02:00
Lior Halphon 0485124076 Redo channel 1 sweep based on DMG schematics; emulates two newly discovered behaviors and also fixes #309 2020-11-28 19:31:25 +02:00
Lior Halphon cd2310f0a7 Wave RAM reads 0xFF while active on AGBs 2020-11-20 19:39:54 +02:00
Lior Halphon 3cba3e8e27 Emulate CGB-C PCM read glitch, fix a potential noise volume envelope bug 2020-05-10 00:37:52 +03:00
Lior Halphon 6448a692e2 Add smart rumble to games without a rumblepak 2020-04-29 16:06:11 +03:00
Lior Halphon 0cf168f32b Fixing inconsistent style 2020-04-24 20:37:57 +03:00
Lior Halphon a6567d9ee1 Update old coding style 2020-04-09 14:32:52 +03:00
Jakub Kądziołka 67d5a53503
Spell "length" properly 2020-02-27 18:11:10 +01:00
Lior Halphon b806ae4e82 Fix #228 2020-02-01 23:36:16 +02:00
Lior Halphon 143e1f88a8 There’s not reason it must be an integer 2019-11-03 22:02:33 +02:00
Lior Halphon dee29c118c Added GB_set_sample_rate_by_clocks API, split SGB_NO_SFC into PAL and NTSC; now they report the correct clock rate. 2019-10-08 15:10:24 +03:00
Lior Halphon ca370eee7e A bit more accurate AGB audio rendering 2019-10-01 18:50:59 +03:00
Lior Halphon ac418b9de1 Pass channel_1_freq_change_timing 2019-09-30 00:09:25 +03:00
Lior Halphon 4541efe86a Fixed a bug that prevented writing to the wave RAM, as well as a bug where the wave RAM was treated as zeros despite not being zero’d out 2019-06-29 14:03:42 +03:00
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