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bsnes
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556 Commits

Author SHA1 Message Date
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 82ce597573 Line breaks 2019-04-12 20:30:02 +03:00
Lior Halphon 05cd81b77c Implemented jump-to breakpoints 2019-04-12 20:29:43 +03:00
Lior Halphon 7242ddae64 speling is difikult 2019-03-16 20:56:22 +02:00
Lior Halphon c342663200 Emulate serial bit shifting, update the serial API to use bits instead of bytes, update printer emulation and libretro to use the new API 2019-03-15 14:36:10 +02:00
Lior Halphon 0b03b61564 Render the first line 0, as required for SGB emulation 2019-02-16 04:19:16 +02:00
Lior Halphon 9d0aadb83f Emulate missing Vreset signal (SGB only for now) and ICD2 desyncing 2019-02-15 17:04:48 +02:00
Lior Halphon dde06e7cae Work around a crashing race condition, proper fix needed 2019-01-28 20:56:37 +02:00
Lior Halphon b996ed9220 Writing to BGPD/OBPD while it’s blocked still increases BGPI/OBPI if needed. Fixes #145 2019-01-19 23:37:44 +02:00
Lior Halphon 73a54049d2 Accurate PPU access timings 2019-01-19 19:32:26 +02:00
Lior Halphon 4536581a6e Fixed a bug where modifying RTC data would corrupt cartridge RAM data. Fixes #136 2019-01-18 02:36:14 +02:00
Lior Halphon 312478e509 CGB palettes are not accessible during Mode 3, closes #84 2019-01-14 22:22:46 +02:00
Lior Halphon 879d3b607d Removed verified TODO 2019-01-14 20:32:52 +02:00
Lior Halphon ba5c07bed9 Correctly emulate speed switch timing 2019-01-13 01:09:41 +02:00
Lior Halphon c74b39e712 The CPU core of the Game Boy is (most likely) called SM83 2019-01-12 00:42:16 +02:00
Lior Halphon 21d2a59a5f Fixed a very rare edge case where an interrupt occurs when SP=FF11 2019-01-12 00:39:24 +02:00
Lior Halphon 4e2b5bb336 Fix the GB_run_frame API in SGB mode 2019-01-11 21:53:21 +02:00
Lior Halphon 7b36ee10a4 Merge branch 'master' into sgb 2019-01-05 19:00:22 +02:00
Lior Halphon ae959cd878 ATTR_LIN and ATTR_DIV 2019-01-05 18:59:50 +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 af0430dbc5 Unroll some loops in PPU code, more efficient timer handling 2018-12-31 22:06:20 +02:00
Lior Halphon 21eb96a2f5 Joypad multiplayer support (Cocoa) 2018-12-15 18:55:41 +02:00
Lior Halphon 612cd07fb3 Fixed emulation of echo RAM 2018-12-12 23:44:00 +02:00
Lior Halphon ea09dfc888 Fixed multiplayer SGB mode 2018-12-04 23:46:30 +02:00
Lior Halphon b1a2e45168 Improvements to the SGB animation 2018-12-01 13:39:43 +02:00
Lior Halphon 6d28e74667 Color 0 must always be shared 2018-11-24 15:53:53 +02:00
Lior Halphon 4b93f89763 Correct emulation of color masks 2018-11-24 15:42:54 +02:00
Lior Halphon 389d8ae045 Halt the CPU while the SGB animation is playing 2018-11-24 13:34:07 +02:00
Lior Halphon 2d6d1e6325 SGB boot animation 2018-11-24 13:21:00 +02:00
Lior Halphon b3166135eb Clean up that crashing mess I made 2018-11-23 19:59:15 +02:00
Lior Halphon 558f9b9bae Updated SGB border, add “2” to SGB2 2018-11-23 14:16:48 +02:00
Lior Halphon 67d52b78b6 Handling interrupted SGB commands 2018-11-17 12:26:07 +02:00
Lior Halphon af5ef50cf9 Fixing default border 2018-11-17 01:39:38 +02:00
Lior Halphon deb5e21842 More colorization commands 2018-11-17 00:44:18 +02:00
Lior Halphon b698ce5d95 Correctly emulate SGB border color 0 2018-11-17 00:44:07 +02:00
Lior Halphon e5e7ce8203 Basic colorization 2018-11-16 22:05:35 +02:00
Lior Halphon d42cbcdee2 Palette transfer functions 2018-11-16 19:11:21 +02:00
Lior Halphon 91a3091b2e Build fix 2018-11-16 17:41:23 +02:00
Lior Halphon 2710939e1e That should be an inc file 2018-11-16 17:38:53 +02:00
Lior Halphon 595907cae2 Border fade animation 2018-11-16 17:36:21 +02:00
Lior Halphon 69ac36cca1 Add default SGB border 2018-11-16 17:22:57 +02:00
Lior Halphon 398148f7ea Basic SGB border support 2018-11-16 16:04:40 +02:00
Lior Halphon 382d9f8898 MASK_EN support 2018-11-16 12:42:52 +02:00
Lior Halphon 2f2b792edf SGB save states 2018-11-16 01:53:01 +02:00
Lior Halphon 634a54c046 SGB resolution support (Cocoa only so far) 2018-11-15 00:21:21 +02:00
Lior Halphon 6ba5cfbeef Support for multi-packet SGB commands 2018-11-13 23:45:26 +02:00
Lior Halphon 7735d638c6 Multiplayer SGB APIs/SGB detection 2018-11-12 00:37:06 +02:00
Lior Halphon 5c581651ce Handle the SGB header commands, disable SGB functions if needed. 2018-11-11 22:50:00 +02:00
Lior Halphon 44891d5c4a Initial code to support SGB, command “parsing”, replacement SGB boot ROM 2018-11-11 01:16:32 +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 a39b314378 Fixed silly APU regression (Noise volume envelope ran too fast) Fixes #121 2018-11-03 14:37:19 +02:00
Lior Halphon c9d6a1381f Cross emulator compatibility with RTC saves 2018-11-03 01:31:14 +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 e9b78b6370
Merge pull request #114 from RobLoach/patch-2 
Fix control reaches end of non-void function
 2018-10-12 17:10:11 +03:00
Rob Loach 2da7a3f7fb
Fix the return value of read_lvalue to be 0 2018-10-12 10:09:30 -04:00
Rob Loach e834d32b8e
Update switch to just return at the end instead 2018-10-12 09:41:25 -04:00
Rob Loach ec41e87cf1
Update logic behind params 2018-10-11 22:39:43 -04:00
Rob Loach b8825127fd
Fix parentheses around ‘+’ in operand of ‘&’ 
```
Core/z80_cpu.c: In function ‘add_hl_rr’:
Core/z80_cpu.c:341:31: error: suggest parentheses around ‘+’ in operand of ‘&’ [-Werror=parentheses]
     if ( ((unsigned long) hl) + ((unsigned long) rr) & 0x10000) {
          ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
```
 2018-10-11 22:37:26 -04:00
Rob Loach f4ee044347
Fix control reaches end of non-void function 
This change makes it so that there is a return value when a kind doens't match. Allows -Werror=return-type to pass.

```
Core/debugger.c: In function ‘read_lvalue’:
Core/debugger.c:239:1: error: control reaches end of non-void function [-Werror=return-type]
 }
```
 2018-10-11 22:17:16 -04:00
Lior Halphon 11c148c851 Starting G/HDMA directly takes one more M-cycle (More research required) 2018-09-15 00:48:31 +03:00
Lior Halphon dbc338a887 Compensate for prefetch in DIV’s initial value 2018-09-15 00:47:26 +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
Maximilian Mader a36dd791ec
Rewrite the DAA instruction 2018-07-22 18:37:34 +02:00
Lior Halphon f7b882f0e8 Whoops 2018-07-22 02:10:26 +03:00
Lior Halphon b7426f93c0 Randomize object palettes. Slightly more accurate emulation of FF4C. 2018-07-20 23:23:47 +03:00
Lior Halphon ce80acc818 Fixed HDMA timing )But still not verified) 2018-07-20 12:34:52 +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 f3437d7cc0 Added todo 2018-07-03 23:47:50 +03:00
Lior Halphon b7b35c9b59 CGB-C timing 2018-07-03 22:25:09 +03:00
Lior Halphon 0a78f735d3 Fetcher Y is not cached on CGB-C 2018-07-03 22:14:53 +03:00
Lior Halphon 18ae18a95c LYC bit on CGB-C 2018-07-03 21:56:32 +03:00
Lior Halphon a7aabca618 Starting to add CGB-C support 2018-07-03 21:43:46 +03:00
Lior Halphon 47a74cb6c3 Randomize initial RAM values. Closes #82 2018-06-30 16:53:28 +03:00
Lior Halphon 2791775c5d Improvements to the `lcd` debugger command 2018-06-22 18:38:54 +03:00
Lior Halphon 6a7c084177 Fixed window regression 2018-06-18 21:57:01 +03:00
Lior Halphon d81c23cb16 Fixed HDMA regression 2018-06-16 23:52:24 +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 d95ad1ca54 SWAP was incorrectly disassembled as RLC 2018-06-09 15:39:40 +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 593cb7c107 Pixel accurate emulation of Prehistorik Man on a CGB-CPU-E 2018-06-08 18:44:03 +03:00
Lior Halphon ca01ff6f79 Finally, perfect emulation of the STAT write bug. 2018-06-08 17:16:15 +03:00
Lior Halphon 127324d2d6 Fixed regression involving rendering a window with negative X position. Closes #75 2018-06-07 23:08:46 +03:00
Lior Halphon f1dfa2a1bc More sensible implementation of the STAT interrupt. 2018-06-04 02:07:38 +03:00
Lior Halphon 0481ff9af5 Whoops 2018-06-04 01:52:24 +03:00
Lior Halphon 8721a48206 Fixed incorrect double speed behavior. 2018-06-03 00:36:05 +03:00