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213 Commits

Author SHA1 Message Date
Lior Halphon 103caa56e1 Allow displaying borders outside of SGB emulation, including borrowing SGB border. Allow not displaying SGB borders. (Todo: libretro support) 2020-02-08 13:28:46 +02:00
Lior Halphon 38ee020653 Fixed a regression bug that made the first CGB frame blank instead of repeated. 2020-01-31 01:29:59 +02:00
Lior Halphon 163a5ea20c Add DMG color palettes (Cocoa) 2020-01-29 14:19:11 +02:00
Lior Halphon 0ece21bca7 Replace the SDL-derived controller support with my own JoyKit framework. Adds rumble support, LED support, better manual and automatic configurations, analog speed controls. 2019-10-19 19:26:04 +03:00
Lior Halphon 851dbd3ccd SGB and AGB color correction 2019-09-13 17:13:21 +03:00
Lior Halphon 8c1f76a594 Fix HLE SGB 2019-07-19 20:37:58 +03:00
Lior Halphon ffb9f1b134 Fix HLE SGB 2019-07-19 20:34:26 +03:00
Lior Halphon 4f9c8e9374 Match the HLE timings to the LLE timings 2019-07-19 20:19:09 +03:00
Lior Halphon df7f7d8171 Fix silly desync inaccuracy 2019-07-18 22:55:11 +03:00
Lior Halphon 772289c545 Fix a silly bug 2019-07-18 00:53:11 +03:00
Lior Halphon ce9ce07817 Make the ICD APIs pixel based 2019-07-16 20:44:27 +03:00
Lior Halphon 346e499602 ICD APIs 2019-07-15 23:02:58 +03:00
Lior Halphon 2bfe922650 Allow emulating an SGB without SFC HLE 2019-07-15 20:47:16 +03:00
Lior Halphon 36a87f96bd Formatting 2019-06-21 16:58:56 +03:00
Lior Halphon 431f1f8199 Remove redundant calls to display_vblank on non-SGB models and in irregular FPS scenarios. Affects #161 2019-06-18 23:16:28 +03:00
Lior Halphon 0da2930109 Fix #175 2019-06-08 14:35:52 +03:00
Lior Halphon 64879f5b02 Accurate emulation of (most aspects of) stop mode 2019-06-07 13:53:50 +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 7242ddae64 speling is difikult 2019-03-16 20:56:22 +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 73a54049d2 Accurate PPU access timings 2019-01-19 19:32:26 +02:00
Lior Halphon 7b36ee10a4 Merge branch 'master' into sgb 2019-01-05 19:00:22 +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 398148f7ea Basic SGB border support 2018-11-16 16:04:40 +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 ce80acc818 Fixed HDMA timing )But still not verified) 2018-07-20 12:34:52 +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 6a7c084177 Fixed window regression 2018-06-18 21:57:01 +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 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 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 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 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 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 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 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 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
Kyle Swanson 7bfe5de9c7 chmod -x 2018-03-28 21:37:34 -07:00
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 4986930511 Mostly complete emulation of the OAM bug. Passes oam_bug-2. 2018-03-27 15:46:00 +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 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 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 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 7248403be7 Fixed several DMG regressions, fixes Pinball Deluxe again 2018-03-01 00:12:04 +02:00