Max/SameBoy
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38 Commits

Author SHA1 Message Date
Lior Halphon
4051f190a5 Cache cycles_per_sample to avoid FP arithmetic 2019-01-01 00:42:40 +02:00
Lior Halphon
94136f5741 Adjust DAC attributes to fix LADX’s crackling audio (Fixes #125) while keeping Cannon Fodder’s buzzing reasonable (Proper audio measurements still required) 2018-11-10 19:14:18 +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
324201f336 Correct emulation of switching the DACs on and off. Fixes #100 and #87 2018-10-17 20:35:29 +03:00
Lior Halphon
dc5cb71c22 Emulate CGB-C’s quirky LFSR function 2018-07-04 21:55:12 +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
80c92daacd Include cleanup (#73) 2018-05-27 19:30:23 +03:00
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
81f808e184 Refinements for the Wii U port 2018-02-10 15:02:22 +02:00
radius
217e9787bd change MAX_CH_AMP on WiiU 2018-02-07 15:28:30 -05:00
Lior Halphon
a1af4c59ca Fixed NR51 volume levels (They’re 1-8, not 0-7) 2018-01-06 11:58:49 +02:00
Lior Halphon
dc59fdf40e Highpass filter in SDL 2017-12-23 22:11:53 +02:00
Lior Halphon
8f4cd5c412 Corrected behavior for channel 1 and 2 restart 2017-09-22 02:04:29 +03:00
Lior Halphon
2ca550273a Fixed dmg_sound-5 2017-09-21 18:18:10 +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
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
Lior Halphon
2936f7fa57 Fixed channel 3 counter behavior, verified with new tests. The DIV register ticks the APU at 512Hz. 2017-07-22 19:51:11 +03:00
Lior Halphon
a19ee1e5e0 2MHz audio downscaling support. Implemented NR50 and NR51. 2017-07-21 23:17:48 +03:00
Lior Halphon
baccf336d7 Complete rewrite of the APU. Channel 3 is complete and passes all the relevant tests from blargg’s suite, as well as PCM34-based tests. Actual sound output is basic and limited, though. 2017-07-21 19:06:55 +03:00
Lior Halphon
00623d4eea - Added audio supersampling support to greatly improve audio quality. 
- Fixed a bug where low sampling rate or disabled sound resulted in wrong APU behavior.
- Added API to get the current number of pending samples.
- This change broke save state compatibility with v0.8 and older
Closes #8.
 2017-05-12 17:11:55 +03:00
Lior Halphon
3feaeb153e New turbo related APIs, Quick Look no longer requires GB_INTERNAL 2017-04-19 21:55:58 +03:00
Lior Halphon
a925ef130d Stabilizing API: New joypad, debugger and reset APIs; internal APIs and direct struct access are no longer available without defining GB_INTERNAL. The SDL port uses the new “public” APIs, as well as most of the non-debug Cocoa code. 2017-04-17 20:16:17 +03:00
Lior Halphon
37e895352f Volumes no longer doubles 2016-09-20 19:58:30 +03:00
Lior Halphon
ff7b8a6854 Removed doubles, reorganized code a bit 2016-09-13 16:57:16 +03:00
Lior Halphon
b95860c034 Making the APU independent of sample rate 2016-09-13 16:55:26 +03:00
Lior Halphon
01fc137256 Fixed an APU issue that might occur when having more than one GB_gameboy_t object 2016-09-06 22:36:16 +03:00
Lior Halphon
70bd90740a Mass name and type changes. Save states are now compatible between 32- and 64-bit systems. Maybe. 2016-06-18 20:29:11 +03:00
Lior Halphon
6bc64a9902 Added stereo support. Correct some PCM register behavior. 2016-06-10 15:28:50 +03:00
Lior Halphon
f1e9623371 Initial public commit 2016-04-01 21:27:01 +03:00