Commit Graph

498 Commits

Author SHA1 Message Date
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