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726 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 8b7922b679 Fix #144 by ignored malformed commands with 0 length 2019-06-15 03:42:53 +03:00
Lior Halphon 66b814a226 Don’t use libc’s random/rand 2019-06-14 16:49:41 +03:00
Lior Halphon 843683a492 Randomize everything! 2019-06-09 18:14:32 +03:00
Lior Halphon 49d8a5cb44 Fixed the parsing of comparison operators as well as their priorities. Fixes #155 2019-06-08 16:08:07 +03:00
Lior Halphon 0da2930109 Fix #175 2019-06-08 14:35:52 +03:00
Lior Halphon 274760746e Fix #165 2019-06-07 19:18:07 +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 2f9de4942c Increase input polling frequency in the Cocoa and SDL frontends, should make inputs look less synthetic and potentially reduce input lag 2019-06-07 18:27:25 +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 6888047102 Show flags in the registers command 2019-06-01 16:42:17 +03:00
Lior Halphon cdc36f329e Added open dialog to the SDL GUI, misc fixes 2019-06-01 14:29:46 +03:00
Lior Halphon 1de34b12ac
Merge pull request #181 from ISSOtm/master 
Fix sample lengths for CH1, 2 and 4
 2019-05-25 21:09:47 +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 3e724afb0a Basic SGB support in the SDL port 2019-05-18 18:45:31 +03:00
ISSOtm ec5d1b7b88 Fix sample lengths for CH1, 2 and 4 2019-05-18 03:01:20 +02:00
Lior Halphon 3ee2c64899 Make the apu command a bit safer 2019-05-17 22:03:23 +03:00
Lior Halphon 6648a0a84d Minor adjustments and style fixes to the new APU debug functions 2019-05-17 20:48:49 +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 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
Lior Halphon 7003e31b7e Fixed a regression with STAT blocking. 2018-06-02 04:00:10 +03:00
Lior Halphon 80c92daacd Include cleanup (#73) 2018-05-27 19:30:23 +03:00
Lior Halphon 6532aef089 Correct emulation of the DMG stat write bug 2018-05-26 18:06:40 +03:00
Lior Halphon 9693b2de6a Refined the STAT bug behavior. Still not perfect. 2018-05-26 17:06:49 +03:00
Lior Halphon 855ffb490a A HBlank interrupt cannot occur in the last M-cycle of HBlank. Correct emulation of STAT access conflicts on the CGB (Test: CPU-E, single speed only). Fixes a minor graphical glitch in Pokémon Puzzle Challenge. 2018-05-25 23:42:36 +03:00
Lior Halphon 249acb04cc Verified some timings on a DMG. Fixed palette write conflict timing (Although the fix kind of implies time traveling). Closes #65 2018-05-16 00:59:11 +03:00
Lior Halphon 562b43a7c5 Notes about the DMG wave-ram glitch 2018-05-15 23:02:07 +03:00
Lior Halphon 7df571d42f Less strict matching for `delete` and `unwatch`. Fixes #71 2018-05-13 23:17:23 +03:00
Lior Halphon 1fcde88d8a Improved accuracy of the halt bug 2018-05-12 22:13:52 +03:00
Lior Halphon 713dc02e46 A bit tacky, but T-cycle accurate emulation of LYC write conflicts on the CGB. Only single speed mode verified. Closes #54 2018-05-11 12:38:55 +03:00
Lior Halphon af3554c1d1 More accurate emulation of the LYC register and interrupt. (Still not perfect on a CGB) 2018-04-27 13:40:39 +03:00
Lior Halphon 0f8385a798 Refined line 153 behavior on a CGB. Verified on CGB-E. 2018-04-25 00:08:06 +03:00
Lior Halphon be9df4d658 Added mechanism to handle MMIO read/write conflicts. Fixes #65 2018-04-14 17:57:00 +03:00
Lior Halphon 2c6f7906c5 Make multi-byte opcodes trigger the OAM bug when they increase PC 2018-04-14 15:32:55 +03:00
Lior Halphon 84aa06aba5 Clean up OAM bug code 2018-04-14 13:35:16 +03:00
Lior Halphon d667d87bbe Refactor CPU code so handling access conflicts is possible 2018-04-14 13:25:55 +03:00
Lior Halphon f1ec42d4ba H/GDMA was 4 times faster than it should have been. Made it also more accurate. Fixes #56 2018-04-13 14:41:39 +03:00
orbea 10dc12c502 Core: Fix libretro builds 2018-04-11 14:21:46 -07:00
Lior Halphon 89094950f8 Correct emulation of mapping both button sets. Fixes #60 2018-04-07 16:45:31 +03:00
Lior Halphon 5be2b3db29 It appears that OAM DMA blocks PPU access to OAM 2018-04-07 13:59:36 +03:00
Lior Halphon 0725b008be Further simplifications 2018-04-07 13:02:53 +03:00
Lior Halphon 097b768127 Update comments 2018-04-07 03:36:47 +03:00
Lior Halphon 9ce028056a Cleanup 2018-04-07 03:26:10 +03:00
Lior Halphon fed2556fc3 More reasonable implementation of sprite timings 2018-04-07 03:00:26 +03:00
Lior Halphon 0751eae90b Moved the fetcher state machine to another function 2018-04-06 19:29:49 +03:00
Lior Halphon 0461fb5b2a Simplified FIFO logic 2018-04-06 19:11:48 +03:00
Lior Halphon cb01259073 Fixed #61 2018-04-06 11:37:49 +03:00
Lior Halphon 0c86ff1ee4 More CGB revision quirks 2018-04-06 04:00:37 +03:00
Lior Halphon a6ed2029b7 New information about PPU changes between CGB-B and CGB-E 2018-04-06 03:19:47 +03:00
Lior Halphon cc95c89d3c Surprise! The CGB has a 16-bit VRAM data bus 2018-04-05 16:15:51 +03:00
Lior Halphon 9aadc80f75 Implemented some obscure PPU rendering quirks, verified some timings 2018-04-05 15:33:21 +03:00
Lior Halphon d785e45308 More accurate emulation of LCDC.0 2018-04-05 12:27:01 +03:00
Lior Halphon d8e0683c35 Fixed a bug where skipping a sprite by modifying LCDC flags mid-scanline will disable sprites for the rest of the scalene. 2018-04-05 00:51:37 +03:00
Lior Halphon 5d63892949 T-cycle accurate timing of the extra OAM interrupt. Fixes vblank_stat_intr-GS, related to #54 2018-04-03 01:43:24 +03:00
Lior Halphon ba07e7ba85 Fixed a bug where 0:$dxxx reads/writes from the wrong bank in CGB mode. Made sure symbols are reset after reloading a sym file. 2018-04-02 19:57:39 +03:00
Lior Halphon e163026ca9 The STAT bug does not occur during the glitched mode 0 2018-04-02 01:05:32 +03:00
Lior Halphon 9339a6027f Slight refinement to the last fix 2018-04-01 22:20:26 +03:00
Lior Halphon ec64c041ab The OAM interrupt is internally implemented differently from the other 3. Fixed the stat_write_if tests, relates to #54 2018-04-01 21:45:56 +03:00
Lior Halphon 0d0d9ccdae Fixed a timer regression, fixes timer_if in DMG mode. Relates to #54 2018-03-31 15:52:31 +03:00
Lior Halphon 73dc3560a5 Mode 0 interrupts do not occur in the glitched mode 0 of the first line 0. The extra OAM interrupt bug also affects DMG. 2018-03-31 13:18:02 +03:00
Lior Halphon 0a2d6e6dcb Fixed DMG timing regression 2018-03-31 12:21:34 +03:00
Lior Halphon 9811dceca1 Emulate another OAM timing quirk; a sprite at x = 0 has extra penalty if SCX is not 0. Fixes intr_2_mode0_timing_sprites_scx*_nops, affects #54 2018-03-30 17:06:27 +03:00
Lior Halphon 2c44ffbe39 More accurate fetcher penalty emulation, fixed intr_2_mode0_timing_sprites_nops, affects #54 2018-03-30 02:53:49 +03:00
Lior Halphon c7ca786e77 Attempt to fix building using MINGW. Affects #55 2018-03-29 21:27:19 +03:00
Lior Halphon a9fbbd3894 Merge branch 'master' of https://github.com/LIJI32/SameBoy 2018-03-29 21:07:04 +03:00
Lior Halphon e380a00b67 Fixed another timing regression with the CB opcodes 2018-03-29 21:06:53 +03:00
Kyle Swanson 7ffe132e79 fix typo 2018-03-28 21:38:48 -07:00
Kyle Swanson 7bfe5de9c7 chmod -x 2018-03-28 21:37:34 -07:00
Lior Halphon 96063fb0da Fixed Windows build, added Unicode support in Windows. 2018-03-28 21:59:27 +03:00
Lior Halphon 4cf78139a8 Fixed a bug where SameBoy freezes for a while after leaving turbo mode 2018-03-27 23:33:31 +03:00
Lior Halphon 0e3d2770d9 Properly handle cases where an object’s X position is modified between the OAM mode and rendering mode 2018-03-27 22:13:08 +03:00
Lior Halphon 0912a30bb9 Fixed a regression in dmg_sound-2 2018-03-27 21:04:55 +03:00
Lior Halphon f5493e023d Fixed a timing regression in the CB opcodes 2018-03-27 20:21:24 +03:00
Lior Halphon 7671648fca Simplified a function 2018-03-27 19:06:36 +03:00
Lior Halphon 7543461c24 Increasing PC in OAM triggers the OAM bug 2018-03-27 16:36:39 +03:00
Lior Halphon 4cbade9a88 Function name change 2018-03-27 15:55:12 +03:00
Lior Halphon 4986930511 Mostly complete emulation of the OAM bug. Passes oam_bug-2. 2018-03-27 15:46:00 +03:00
Lior Halphon 9093f22293 More accurate emulation of the OAM bug 2018-03-24 14:46:51 +03:00
Lior Halphon 5cb74fb684 Bugfix: turning the PPU off during OAM mode made the OAM bug persist while the LCD is off 2018-03-24 02:58:37 +03:00
Lior Halphon d343152fca Basic emulation of the OAM bug 2018-03-24 00:32:19 +03:00
Lior Halphon f8c6b9e7a0 Fixed the lcd command 2018-03-23 21:26:49 +03:00
Lior Halphon 4e3928df81 Turns out the behavior differs between DMG and CGB – in DMG mode, the objects enabled bit is checked before halting the FIFOs, meaning that disabled sprites do not affect Mode 3’s length on the DMG. 2018-03-23 20:01:27 +03:00
Lior Halphon 48a8db233d Refinement to the last fix 2018-03-23 19:54:11 +03:00
Lior Halphon e9eeace995 The object enabled bit is checked only when popping from the object FIFO. Objects affect timing even when disabled. 2018-03-23 19:50:19 +03:00
Lior Halphon 04bfc89816 Cycle accurate OAM search mode 2018-03-23 19:07:14 +03:00
Lior Halphon c11af7ea26 Fix CGB timings 2018-03-23 12:58:51 +03:00
Lior Halphon 3e5e17d1a3 Fixed CB [hl] opcodes timings 2018-03-23 12:35:37 +03:00
Lior Halphon 18e32d1755 Merge branch 'master' into timing 
# Conflicts:
#	Core/gb.c
 2018-03-22 22:37:35 +02:00
Lior Halphon 577e23925b Fixed sources-dmgABCXmgbS 2018-03-22 20:09:01 +02:00
Lior Halphon e9f243a913 Fix sprite priority 2018-03-21 00:02:35 +02:00
Lior Halphon cb33a5b25a Fix Aevilla 2018-03-20 20:08:29 +02:00
Lior Halphon 3883b7d86a Merge branch 'master' into timing 
# Conflicts:
#	Core/display.c
#	Core/z80_cpu.c
 2018-03-19 23:46:33 +02:00
Lior Halphon b50c97f4a7 Prevent starting HDMA in the middle of an instruction, making both the CPU and DMA access memory at the same time. Closes #47 2018-03-19 20:01:31 +02:00
Lior Halphon 202eb2b5cc Fix stat_lyc_onoff 2018-03-18 20:32:19 +02:00
Lior Halphon 80b1275e07 Fix stat_lyc_onoff 2018-03-18 20:08:45 +02:00
Lior Halphon 0dc30f081a CGB halt interrupt timing 2018-03-17 23:21:14 +02:00
Lior Halphon 12ae5745db While fixing some rendering issues, this change was incorrect. 2018-03-17 21:04:48 +02:00
Lior Halphon 269bac4626 More CGB fixes 2018-03-17 20:34:55 +02:00
Lior Halphon 21b75494a2 More CGB fixes (currently on DMG-mode CGB is verified). Halt interrupt timing isn’t correct yet. 2018-03-11 00:17:57 +02:00
Lior Halphon 15b6c48d7c Fixed vblank_stat_intr-C 2018-03-10 15:52:22 +02:00
Lior Halphon c267ad00b5 Goodbye 2018-03-09 23:34:23 +02:00
Lior Halphon e8b107efdb In double speed mode, there are no quirks where IF and STAT don’t update together 2018-03-09 23:31:49 +02:00
Lior Halphon cb6bb0590e Starting to fix CGB timing quirks 2018-03-09 21:11:35 +02:00
Lior Halphon 9083e883fe CGB BG rendering 2018-03-09 18:52:36 +02:00
Lior Halphon a32f232bb1 Fixed OAM-window priority glitch, fixed OAM glitch in Prehistoric Man 2018-03-09 17:10:19 +02:00
Lior Halphon 1149c266cf More regression fixes, actually fix Pinball Deluxe this time 2018-03-08 23:22:03 +02:00
Lior Halphon 544ca2be4c Changing the timings of memory writes so they’re not effectively one T-cycle late. This screws up APU’s cycle accuracy for now. 2018-03-05 21:17:37 +02:00
Lior Halphon 88a11b891f Object rendering 2018-03-04 23:27:31 +02:00
Lior Halphon 3d1c8b50c4 OAM search and OAM timing in mode 3 2018-03-04 22:21:56 +02:00
Lior Halphon 476133abd0 The scrolled y value is cached and not recalculated 2018-03-03 20:51:38 +02:00
Lior Halphon 518746f664 fixed rendering off by one 2018-03-03 19:52:48 +02:00
Lior Halphon 496c5589e6 Added window support 2018-03-03 19:36:21 +02:00
Lior Halphon 5ea33cc931 Cleanup 2018-03-03 19:05:29 +02:00
Lior Halphon b08f02c4f3 Rewriting the PPU rendering: T-cycle accurate background rendering. DMG only, CGB completely broken 2018-03-03 15:47:36 +02:00
Lior Halphon a67db0595b Fixed window behavior 2018-03-01 22:03:56 +02:00
Lior Halphon b702d56547 Merge branch 'master' into timing 
# Conflicts:
#	Core/display.c
#	Core/z80_cpu.c
 2018-03-01 21:22:33 +02:00
Lior Halphon 94c6dbd281 Fixed ‘call’ instruction not being properly symbolicated. Closes #37 2018-03-01 21:12:37 +02:00
Lior Halphon 7248403be7 Fixed several DMG regressions, fixes Pinball Deluxe again 2018-03-01 00:12:04 +02:00
Lior Halphon fb03479a1f Added 16-bit dereferencing operator (`{address}`) to the debugger. Closes #38 2018-02-28 19:39:22 +02:00
Lior Halphon b02e40d5a2 Refinement to that last fix 2018-02-25 23:23:55 +02:00
Lior Halphon 90a943d05a Emulate an HDMA quirk required to properly emulate Aevilia 2018-02-25 22:32:41 +02:00
Lior Halphon ef670986c6 Rewrote PPU (currently only emulates DMG correctly) to use the new timing mechanism. Removed “future interrupts” (No longer required because SameBoy is now T-cycle based) 2018-02-25 00:48:45 +02:00
Lior Halphon 42ab746a66 Starting to remove the delayed interrupts hack – done for timer interrupt, broken for display interrupts 2018-02-23 15:33:44 +02:00
Lior Halphon c48097a484 Convert div counter to the SM mechanism 2018-02-23 13:16:05 +02:00
Lior Halphon 5974092c94 Bugfix 2018-02-20 23:04:35 +02:00
Lior Halphon 56eac9f875 Removed some dead code from display.c 2018-02-20 21:23:27 +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 0cbbaac490 Updated incorrect comment after verification 2018-02-10 19:50:42 +02:00
Lior Halphon 81f808e184 Refinements for the Wii U port 2018-02-10 15:02:22 +02:00
Lior Halphon 00c67f8842 Merge commit '217e9787bd640cbd1b8250e31c0064331ddc302f' 2018-02-10 14:49:57 +02:00
Lior Halphon 1c61b006ba Added rewinding support to the core and the Cocoa frontend 2018-02-10 14:42:14 +02:00
radius 217e9787bd change MAX_CH_AMP on WiiU 2018-02-07 15:28:30 -05:00
Lior Halphon 95234036bb Added return value to GB_run API. 2018-01-31 15:18:04 +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 2205493862 Bug fixes in the SDL port 2017-12-30 17:07:05 +02:00
Lior Halphon d3a2e49d38 Merge branch 'sdl_gui' into libretro_core 
# Conflicts:
#	Makefile
#	SDL/main.c
 2017-12-29 13:12:12 +02:00
Lior Halphon 61f9dbd95d Use SDL’s key mapping when available 2017-12-28 20:22:54 +02:00
Lior Halphon dc59fdf40e Highpass filter in SDL 2017-12-23 22:11:53 +02:00
Lior Halphon f0e772ca97 Fixed: Loading states in DMG mode results in a black screen 2017-12-22 21:58:31 +02:00
Lior Halphon 19c382c9e0 Fixed ei_sequence test 2017-12-03 21:07:34 +02:00
Lior Halphon 4b69331321 Merge branch 'master' into libretro_core 2017-10-16 20:49:33 +03:00