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810 Commits

Author SHA1 Message Date
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 4527d9ee39 Styling fixes, fixed bugs caused by a rebellious brace, removed debug prints 2018-05-11 13:29:58 +03:00
Lior Halphon 9a29beb189 Merge commit '8f3fc1c2ade3c1c632cd3f3998ee26d2962e4dea' 
# Conflicts:
#	SDL/main.c
 2018-05-11 13:26:30 +03:00
Lior Halphon 6b6c25635a Merge commit '240730417774174315c2f7c148393834eb3297eb' 2018-05-11 13:11:53 +03:00
Lior Halphon bfc96abf8f Make save state names consistent across the Cocoa and SDL port 2018-05-11 12:51:15 +03:00
Lior Halphon feaa0d0654 Merge commit '7fe86cec59c1143275ffb7fc07b6716ae0116033' 2018-05-11 12:50:53 +03:00
Lior Halphon f4eddf316b Merge commit '9343d8162d5e6934d7894d9eea57c55f52faa503' 2018-05-11 12:46:23 +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
Lothar Serra Mari 8f3fc1c2ad Fix check for SDL2 version 2018-04-22 16:20:11 +02:00
Lothar Serra Mari ca571c6fa5 SDL2: Update to SDL_OpenAudioDevice() 
Instead of the legacy SDL_OpenAudio() method, we now use the newer
SDL_OpenAudioDevice() functions. This fixes audio in Windows if the SDL
version is 2.0.6 or higher.

It also allows us to use 48kHz audio for Windows (96kHz somewhat works
too, but since we don't get absolutely smooth audio with it, I'd stick
with 48kHz for now until we find a solution. 44.1Khz is available as
fallback for SDL 2.0.5 and lower. Yes, the 2.0.5 to 2.0.6 transition was
quite harsh in terms of Windows audio support...
 2018-04-22 15:22:10 +02:00
Lothar Serra Mari 2407304177 SDL2: Write battery file information before issueing RESET_COMMAND 
Before performing the GB reset, we should perform a GB_save_battery.

Otherwise, resetting the emulation will kill ("kill" as in simply don't
write them into the .sav) all changes made to the battery save since
sameboy was started.
 2018-04-19 16:47:54 +02:00
Lothar Serra Mari 7fe86cec59 Fix savestates in SDL2 port 
Because SDL_SCANCODE_0 comes *after* SDL_SCANCODE_9 in the SDL keycode
table, we have to check if the keycode is between >=1 and <=0. We also
have to substract SDL_SCANCODE_1 in order to set command_parameter
properly.

Errata: Currently, the savestate created with CTRL+0 is created, but
refuses to load on Windows (working fine on Linux).
 2018-04-19 14:52:36 +02:00
Lothar Serra Mari 9343d8162d Add fullscreen mode for the SDL2 port 2018-04-18 19:22:08 +02:00
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
Lior Halphon 51e3cb7b9f
Merge pull request #64 from orbea/debugger 
Core: Fix libretro builds
 2018-04-12 00:25:38 +03:00
orbea 10dc12c502 Core: Fix libretro builds 2018-04-11 14:21:46 -07:00
Lior Halphon 417ae21dfa
Merge pull request #63 from libretro/master 
Refactor android jni makefiles (#17)
 2018-04-11 11:02:03 +03:00
webgeek1234 ebe0aa0c76 Refactor android jni makefiles (#17) 2018-04-10 21:42:04 -05:00
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 b1d65fd84f Fixed `boot_hwio-C` (for SameBoy’s boot). Closes #59 2018-04-03 20:10:11 +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 69a625af97
How did I miss this thing after over 2 years?! 2018-04-01 16:53:21 +03:00