Commit Graph

178 Commits

Author SHA1 Message Date
Lior Halphon
337e74352d Add cheats API, with GameShark and GameGenie import 2020-04-09 22:13:09 +03:00
Lior Halphon
92d6cc6394 Use official register names 2020-04-09 02:36:27 +03:00
Lior Halphon
05403d3a56 Fix the Joypad interrupt. Fixes #237 2020-03-27 17:36:55 +03:00
Lior Halphon
4cb56dc76f Improve MBC2 emulation. Fixes #238 2020-03-27 16:35:36 +03:00
Lior Halphon
34cf0f558d It's more reasonable to do it this way 2020-03-06 18:56:51 +02:00
Lior Halphon
409ab2a6d4 Accurate emulation of tilemap advancement timings 2020-03-03 02:21:19 +02:00
Lior Halphon
9c7a8fdb1b WY is tested every cycle 2020-02-26 22:24:08 +02:00
Lior Halphon
2be58439bf Starting over – removing all window related code 2020-02-23 00:38:47 +02:00
Lior Halphon
08eb2f3d98 Correct emulation of FF6C (Turns out it controls object priority) 2020-02-15 15:32:06 +02:00
Lior Halphon
0737655753 Merge branch 'master' into JoyKit 2020-01-03 23:42:25 +02:00
Lior Halphon
31609319de Fix the set_joyp API 2019-11-09 14:45:38 +02:00
Lior Halphon
c802361800 Whoops, this function was missing 2019-11-08 16:14:16 +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
dee29c118c Added GB_set_sample_rate_by_clocks API, split SGB_NO_SFC into PAL and NTSC; now they report the correct clock rate. 2019-10-08 15:10:24 +03:00
Lior Halphon
652e52df3d Pass the SGB multiplayer tests 2019-09-14 12:31:52 +03:00
Lior Halphon
4fcc921b46 Fix SGB multiplayer, improve multiplayer accuracy 2019-09-13 17:10:58 +03:00
Lior Halphon
eaa1c1cd4a Merge bsnes’s changes 2019-08-16 17:38:43 +03:00
Lior Halphon
9ba6915c85 ICD JOYP write API 2019-07-16 21:42:57 +03:00
Lior Halphon
346e499602 ICD APIs 2019-07-15 23:02:58 +03:00
Lior Halphon
f55c254959 Fixed a regression that made ly_lyc_0_write and ly_lyc_write fail 2019-07-12 02:18:25 +03:00
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
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
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
9d0aadb83f Emulate missing Vreset signal (SGB only for now) and ICD2 desyncing 2019-02-15 17:04:48 +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
7b36ee10a4 Merge branch 'master' into sgb 2019-01-05 19:00:22 +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
7735d638c6 Multiplayer SGB APIs/SGB detection 2018-11-12 00:37:06 +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
11c148c851 Starting G/HDMA directly takes one more M-cycle (More research required) 2018-09-15 00:48:31 +03:00
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
2e9e3424ec Document some revision differences 2018-07-14 21:52:54 +03:00
Lior Halphon
a7aabca618 Starting to add CGB-C support 2018-07-03 21:43:46 +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
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
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
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
0c86ff1ee4 More CGB revision quirks 2018-04-06 04:00:37 +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
7671648fca Simplified a function 2018-03-27 19:06:36 +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
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
b702d56547 Merge branch 'master' into timing
# Conflicts:
#	Core/display.c
#	Core/z80_cpu.c
2018-03-01 21:22:33 +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
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
441781cbe9 Libretro .o files are now in the build/obj folder and are suffixed with _libretro (since they have different compilation flags). This also lets us rename gbmemory.c/h back to its original name. 2017-10-12 19:42:30 +03:00
twinaphex
a7db98c22e Memory needs to be uniquely named for Android 2017-10-09 11:36:55 -05:00
twinaphex
09f4edda57 Comment out debugger code - add HAVE_DEBUGGER ifdef 2017-10-09 11:36:53 -05:00
Lior Halphon
b9bdd6c49c Merge branch 'master' into new_apu 2017-09-10 02:33:40 +03:00
Lior Halphon
1e90400916 Reimplemented delayed/future interrupts, currently correct only for CGB. 2017-09-09 13:32:12 +03:00
Lior Halphon
ba0e66a5b7 Merge branch 'master' into new_apu 2017-09-04 18:41:13 +03:00
Lior Halphon
9b490396bb Fixed timing when turning the LCD display on during double speed mode 2017-09-02 23:26:45 +03:00
Lior Halphon
e7d5cdbb42 Merge branch 'master' into new_apu 2017-08-20 01:37:33 +03:00
Lior Halphon
cbbaf2ee84 Refined Window behavior once more, Fixes #12 (While not breaking Donkey Kong or 007) 2017-08-20 01:34:12 +03:00
Lior Halphon
d43daed6a6 Merge branch 'master' into new_apu 2017-08-12 21:43:09 +03:00
Lior Halphon
7df4e56454 KEY1 is only writable in CGB mode; screen should be black is LCD is on while in stop mode. 2017-08-12 21:42:47 +03:00
Lior Halphon
baccf336d7 Complete rewrite of the APU. Channel 3 is complete and passes all the relevant tests from blargg’s suite, as well as PCM34-based tests. Actual sound output is basic and limited, though. 2017-07-21 19:06:55 +03:00
Lior Halphon
c4ccbd5cce Improved serial interrupt timing, fixes boot_sclk_align. 2017-06-23 17:58:04 +03:00
Lior Halphon
c59272d46d Misc minor fixes, fixes several Mooneye-GB tests 2017-06-21 20:39:23 +03:00
Lior Halphon
abf7efcc5a Fixed lcdon_write_timing. 2017-06-18 21:27:07 +03:00
Lior Halphon
86c9f9d89d Updated SameBoy to pass Mooneye-GB’s lcdon_timing test (on a DMG), as well as refined related CBG behaviors. 2017-06-17 22:17:58 +03:00
Lior Halphon
d72807dd67 Implemented LCD first-frame-skip behavior, fixes a visual glitch in Pokémon Pinball 2017-06-03 16:42:42 +03:00
Lior Halphon
c766704267 More accurate FPS capping that tracks time correctly even when the screen is off. Should also support restarting the LCD during blank to increase FPS to 63. 2017-04-21 16:00:53 +03:00
Lior Halphon
fb55c35f87 New APIs, Document.m no longer requires GB_INTERNAL, fixed a bug where the sprite viewer showed incorrect sprites for some CGB exclusive games. 2017-04-19 23:26:39 +03:00
Lior Halphon
a925ef130d Stabilizing API: New joypad, debugger and reset APIs; internal APIs and direct struct access are no longer available without defining GB_INTERNAL. The SDL port uses the new “public” APIs, as well as most of the non-debug Cocoa code. 2017-04-17 20:16:17 +03:00
Lior Halphon
55e54d9499 Refinements to DMG STAT write interrupt bug. Fixes stat_irq_blocking on DMG. 2017-02-25 21:56:46 +02:00
Lior Halphon
dbd04f09e8 HBlank HDMA should start instantly when starting during HBlank. Fixes 3-D Ultra Pinball. 2017-02-25 15:42:59 +02:00
Lior Halphon
a420cfd798 HUC1’s RAM Enable only controls writing 2017-02-23 00:27:08 +02:00
Lior Halphon
91513ced22 Minor adjustment to LCD timing after enabling it. 2017-02-20 14:20:45 +02:00
Lior Halphon
421d3b27f5 Correct emulation of HUC1 banks higher than 0x1F 2017-02-16 21:07:35 +02:00
Lior Halphon
4b6fda0cb6 Simplified HDMA and fixed the reading of the HDMA5 register 2017-02-08 21:58:15 +02:00
Lior Halphon
d5c9a52337 Fixed: HDMA registers were not being updated during transfer 2017-02-07 00:24:26 +02:00
Lior Halphon
22c34e1095 Serial API 2016-11-12 01:58:53 +02:00
Lior Halphon
47aaf44017 Rumble API 2016-10-22 15:37:03 +03:00
Lior Halphon
2d51d13479 Various optimizations 2016-10-22 02:18:29 +03:00
Lior Halphon
11f8c41305 Basic HUC3 support 2016-10-17 18:51:43 +03:00
Lior Halphon
fa35869bc4 Implemented DMG STAT-write interrupt bug, fixed Road Rash and Zero no Densetsu (These game do not work on CGBs) 2016-10-11 13:37:43 +03:00
Lior Halphon
ab5f66795a Gameboy Camera API 2016-10-02 17:14:58 +03:00
Lior Halphon
b3b041a151 Basic GB Camera support (Emulate only MBC, enough for the ROM to boot). 2016-10-02 03:40:11 +03:00
Lior Halphon
4904277f0d Corrected behavior of palette registers in DMG mode. This affected a broken Game & Watch Gallery 2 ROM that was previously used in the automation test. 2016-10-01 22:10:44 +03:00
Lior Halphon
4a2bec239a MBC2 RAM support was completely broken. 2016-09-30 23:34:06 +03:00
Lior Halphon
258500bda3 Merge branch 'master' into rateless_apu 2016-09-23 18:53:38 +03:00
Lior Halphon
42c01a21b2 Fixed crash when accessing MBC RAM on a cartridge that "has RAM", but it's 0-sized. 2016-09-22 01:52:40 +03:00
Lior Halphon
594aea2d5a APU is now being run lazily 2016-09-13 17:33:48 +03:00