7242ddae64
speling is difikult
2019-03-16 20:56:22 +02:00
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
9d0aadb83f
Emulate missing Vreset signal (SGB only for now) and ICD2 desyncing
2019-02-15 17:04:48 +02:00
73a54049d2
Accurate PPU access timings
2019-01-19 19:32:26 +02:00
ba5c07bed9
Correctly emulate speed switch timing
2019-01-13 01:09:41 +02:00
c74b39e712
The CPU core of the Game Boy is (most likely) called SM83
2019-01-12 00:42:16 +02:00
21eb96a2f5
Joypad multiplayer support (Cocoa)
2018-12-15 18:55:41 +02:00
b1a2e45168
Improvements to the SGB animation
2018-12-01 13:39:43 +02:00
2d6d1e6325
SGB boot animation
2018-11-24 13:21:00 +02:00
2f2b792edf
SGB save states
2018-11-16 01:53:01 +02:00
634a54c046
SGB resolution support (Cocoa only so far)
2018-11-15 00:21:21 +02:00
6ba5cfbeef
Support for multi-packet SGB commands
2018-11-13 23:45:26 +02:00
7735d638c6
Multiplayer SGB APIs/SGB detection
2018-11-12 00:37:06 +02:00
5c581651ce
Handle the SGB header commands, disable SGB functions if needed.
2018-11-11 22:50:00 +02:00
44891d5c4a
Initial code to support SGB, command “parsing”, replacement SGB boot ROM
2018-11-11 01:16:32 +02:00
c9d6a1381f
Cross emulator compatibility with RTC saves
2018-11-03 01:31:14 +02:00
2e9e3424ec
Document some revision differences
2018-07-14 21:52:54 +03:00
a7aabca618
Starting to add CGB-C support
2018-07-03 21:43:46 +03:00
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
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
f1dfa2a1bc
More sensible implementation of the STAT interrupt.
2018-06-04 02:07:38 +03:00
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
1fcde88d8a
Improved accuracy of the halt bug
2018-05-12 22:13:52 +03:00
af3554c1d1
More accurate emulation of the LYC register and interrupt. (Still not perfect on a CGB)
2018-04-27 13:40:39 +03:00
d667d87bbe
Refactor CPU code so handling access conflicts is possible
2018-04-14 13:25:55 +03:00
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
fed2556fc3
More reasonable implementation of sprite timings
2018-04-07 03:00:26 +03:00
0751eae90b
Moved the fetcher state machine to another function
2018-04-06 19:29:49 +03:00
0461fb5b2a
Simplified FIFO logic
2018-04-06 19:11:48 +03:00
9aadc80f75
Implemented some obscure PPU rendering quirks, verified some timings
2018-04-05 15:33:21 +03:00
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
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
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
2c44ffbe39
More accurate fetcher penalty emulation, fixed intr_2_mode0_timing_sprites_nops, affects #54
2018-03-30 02:53:49 +03:00
96063fb0da
Fixed Windows build, added Unicode support in Windows.
2018-03-28 21:59:27 +03:00
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
4986930511
Mostly complete emulation of the OAM bug. Passes oam_bug-2.
2018-03-27 15:46:00 +03:00
04bfc89816
Cycle accurate OAM search mode
2018-03-23 19:07:14 +03:00
3883b7d86a
Merge branch 'master' into timing
...
# Conflicts:
# Core/display.c
# Core/z80_cpu.c
2018-03-19 23:46:33 +02:00
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
c267ad00b5
Goodbye
2018-03-09 23:34:23 +02:00
9083e883fe
CGB BG rendering
2018-03-09 18:52:36 +02:00
a32f232bb1
Fixed OAM-window priority glitch, fixed OAM glitch in Prehistoric Man
2018-03-09 17:10:19 +02:00
3d1c8b50c4
OAM search and OAM timing in mode 3
2018-03-04 22:21:56 +02:00
476133abd0
The scrolled y value is cached and not recalculated
2018-03-03 20:51:38 +02:00
496c5589e6
Added window support
2018-03-03 19:36:21 +02:00
5ea33cc931
Cleanup
2018-03-03 19:05:29 +02:00
b08f02c4f3
Rewriting the PPU rendering: T-cycle accurate background rendering. DMG only, CGB completely broken
2018-03-03 15:47:36 +02:00
b702d56547
Merge branch 'master' into timing
...
# Conflicts:
# Core/display.c
# Core/z80_cpu.c
2018-03-01 21:22:33 +02:00
90a943d05a
Emulate an HDMA quirk required to properly emulate Aevilia
2018-02-25 22:32:41 +02:00
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
42ab746a66
Starting to remove the delayed interrupts hack – done for timer interrupt, broken for display interrupts
2018-02-23 15:33:44 +02:00
c48097a484
Convert div counter to the SM mechanism
2018-02-23 13:16:05 +02:00
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
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
1c61b006ba
Added rewinding support to the core and the Cocoa frontend
2018-02-10 14:42:14 +02:00
95234036bb
Added return value to GB_run API.
2018-01-31 15:18:04 +02:00
27b5718b07
Merge branch 'master' into libretro_core
2017-10-12 22:50:02 +03:00
a753e00b59
Added direct_access interface to interrupt_enable/IE register
2017-10-12 22:49:39 +03:00
40e4f93637
Replaced libretro specific code with a generic API
2017-10-12 22:06:01 +03:00
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
9615ca6fa6
Merge pull request #14 from libretro/master
...
libretro core
2017-10-12 18:29:26 +03:00
65dd02cc52
Added 3 color correction profiles, added color correction setting to Cocoa GUI, improved cross-platform and cross-frontend save-state compatibility
2017-10-12 17:22:22 +03:00
a7db98c22e
Memory needs to be uniquely named for Android
2017-10-09 11:36:55 -05:00
d433cdf260
Add baked-in generated BIOS files
2017-10-09 11:36:23 -05:00
1804a5c8e6
Updated save struct version
2017-09-23 00:25:21 +03:00
b9bdd6c49c
Merge branch 'master' into new_apu
2017-09-10 02:33:40 +03:00
1e90400916
Reimplemented delayed/future interrupts, currently correct only for CGB.
2017-09-09 13:32:12 +03:00
0f643e01b7
Removing the delayed interrupt mechanism, research is not complete enough for implementation
2017-09-08 12:58:35 +03:00
ba0e66a5b7
Merge branch 'master' into new_apu
2017-09-04 18:41:13 +03:00
72d26c7046
Fixed obscure timer behavior, fixed regression in rapid_toggle.gb.
2017-09-04 18:40:43 +03:00
9bde98dede
SCY latching is now correctly emulated, rendering mode timing refined.
2017-09-04 15:45:18 +03:00
54eb51d8db
Refined timer interrupt timing
2017-09-02 22:08:20 +03:00
e7d5cdbb42
Merge branch 'master' into new_apu
2017-08-20 01:37:33 +03:00
cbbaf2ee84
Refined Window behavior once more, Fixes #12 (While not breaking Donkey Kong or 007)
2017-08-20 01:34:12 +03:00
d65c2247e5
Added channel 1 and 2, fixed accuracy issues with channel 3
2017-07-27 23:11:33 +03:00
a19ee1e5e0
2MHz audio downscaling support. Implemented NR50 and NR51.
2017-07-21 23:17:48 +03:00
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
c4ccbd5cce
Improved serial interrupt timing, fixes boot_sclk_align.
2017-06-23 17:58:04 +03:00
efbc385417
Forgot to amend the last commit, it was broken.
2017-06-21 01:07:11 +03:00
abf7efcc5a
Fixed lcdon_write_timing.
2017-06-18 21:27:07 +03:00
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
babcc0a7dc
Added API to load/save states from RAM
2017-06-14 00:23:34 +03:00
a9475fbdf4
Refined the behavior of the last fix on a DMG.
2017-06-03 20:06:52 +03:00
d72807dd67
Implemented LCD first-frame-skip behavior, fixes a visual glitch in Pokémon Pinball
2017-06-03 16:42:42 +03:00
86332d0311
Modifying WX and WY outside of VBlank is now more accurate, but still requires more research. Closes #6 .
2017-05-12 19:33:42 +03:00
00623d4eea
- Added audio supersampling support to greatly improve audio quality.
...
- Fixed a bug where low sampling rate or disabled sound resulted in wrong APU behavior.
- Added API to get the current number of pending samples.
- This change broke save state compatibility with v0.8 and older
Closes #8 .
2017-05-12 17:11:55 +03:00
b858f17425
Added the GB_run_frame API; closes #5 .
2017-04-25 00:19:10 +03:00
22d3510dde
Added LCD command to the debugger
2017-04-22 14:55:17 +03:00
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
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
3feaeb153e
New turbo related APIs, Quick Look no longer requires GB_INTERNAL
2017-04-19 21:55:58 +03:00
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
3d99773ddb
Changed how the Cocoa port initializes GB_gameboy_t
2017-02-24 15:14:00 +02:00
421d3b27f5
Correct emulation of HUC1 banks higher than 0x1F
2017-02-16 21:07:35 +02:00
527ae01e0e
Printer API, compression not supported yet
2017-01-13 22:20:11 +02:00
22c34e1095
Serial API
2016-11-12 01:58:53 +02:00
47aaf44017
Rumble API
2016-10-22 15:37:03 +03:00
2d51d13479
Various optimizations
2016-10-22 02:18:29 +03:00
11f8c41305
Basic HUC3 support
2016-10-17 18:51:43 +03:00
ab5f66795a
Gameboy Camera API
2016-10-02 17:14:58 +03:00
b3b041a151
Basic GB Camera support (Emulate only MBC, enough for the ROM to boot).
2016-10-02 03:40:11 +03:00
9b71454f07
Basic HUC1 support (Emulated as MBC1)
2016-10-02 02:15:03 +03:00
258500bda3
Merge branch 'master' into rateless_apu
2016-09-23 18:53:38 +03:00
0991705379
Refined HALT bug behavior, fixed Robocop
2016-09-22 01:51:09 +03:00
252439c1af
Fixed a deadlocking race condition that might happen when reading APU memory in the hex viewer
2016-09-21 01:59:43 +03:00
f88c9d299b
Merge branch 'master' into rateless_apu
2016-09-20 20:05:03 +03:00
f46414b7b1
Updated struct version :(
2016-09-20 20:04:38 +03:00
71d4ba21f2
Added a tick-counting debugger command
2016-09-16 11:58:31 +03:00
b95860c034
Making the APU independent of sample rate
2016-09-13 16:55:26 +03:00
62ecadeb57
Fixed another reset-while-debugging deadlock in Cocoa
2016-09-07 00:37:11 +03:00
603b8969ab
Correct (disconnected) serial emulation.
2016-09-06 13:13:14 +03:00
a6c5a8fdaa
Fixed a bug that caused the Cocoa port to freeze sometimes if the emulator was reset while debugging.
2016-09-03 13:34:49 +03:00
a746c726ee
Added basic automatic ROM tester
2016-09-03 03:39:32 +03:00
ee4907949b
Support for RTC latching. Fixes #4 .
2016-08-21 22:33:57 +03:00
806d0775a4
Added backtrace command to debugger
2016-08-09 22:48:53 +03:00
85a33ed8ef
Emulating DMA delay correctly
2016-08-06 14:24:43 +03:00
8dd5462525
Correct DMA timing
2016-08-06 13:57:38 +03:00
0f98ac5ff9
Emulate TIMA reloading
2016-08-06 13:56:29 +03:00
55cbe5d4d0
Accuracy improvements to timers
2016-08-06 00:24:12 +03:00
d098458ee4
Major improvements to accuracy: Fixed instruction timing, DMA timing, and IO reg masking. Passes most of mooneye-gb acceptance tests.
2016-08-05 16:36:38 +03:00
47e3300b66
Improved DMA accuracy, mooneyegb test ROMs no longer crash miserably. (but still fail)
2016-08-03 23:31:10 +03:00
185e71fe12
Improvements to IR API, since timing is VERY important
2016-07-21 01:03:13 +03:00
1d35c04ab1
Infrared API
2016-07-18 22:11:18 +03:00
aa6438fa06
Async debugger commands
2016-07-18 00:46:45 +03:00
e20e81befd
Symbol support in the expression evaluator
2016-07-15 14:31:27 +03:00
65f37bccbd
Initial 25-bit debugger values support
2016-07-14 21:01:45 +03:00
d49404d248
Debugger can now read .sym files, and display them. (No expression support yet)
2016-07-13 23:00:50 +03:00
bd7f8f2555
Support for an alternative MBC1 wiring, should solve most N-in-1 carts (Issue #3 )
2016-07-09 19:25:25 +03:00
c6bafe3fc3
Rewrote MBC support
2016-07-09 17:34:55 +03:00
78a809795e
Renaming MBC constants
2016-07-09 14:45:25 +03:00
de4983099a
Added (conditional) r/w watchpoints. Fixed a bug where breakpoint condition syntax is not checked. Added != operator.
2016-07-07 00:29:25 +03:00
19aea4096b
Added condition breakpoint. Fixed a possible crash when deleting a breakpoint.
2016-07-01 18:24:21 +03:00
70bd90740a
Mass name and type changes. Save states are now compatible between 32- and 64-bit systems. Maybe.
2016-06-18 20:29:11 +03:00
8153b765a2
General cleanup. Minor fixes to LCD Controller accuracy.
2016-06-12 19:39:05 +03:00
d7d8da3fa9
More accurate emulation of the SCX register
2016-06-11 17:58:00 +03:00
b7e999b242
Modified saved data to be more future-compatible.
2016-06-11 17:49:42 +03:00
aca5873de2
More accurate STAT interrupt. This fixes Altered Space and partially fixes Pinball Deluxe. It breaks GBVideoPlayer, however.
2016-06-10 16:31:57 +03:00
6bc64a9902
Added stereo support. Correct some PCM register behavior.
2016-06-10 15:28:50 +03:00
7dc575d01e
Fixed a bug where audio channel 3 was playing silently instead of being muted.
2016-04-16 14:08:30 +03:00
8dd1b3c854
Added (experimental) stack-leak and stack-overflow detection command to the debugger.
2016-04-10 23:22:54 +03:00
1069637e45
Added support for multiple breakpoints
2016-04-07 00:25:41 +03:00
3e135a7c00
More accurate emulation of the DMG-emulation-mode registers.
2016-04-05 23:21:51 +03:00
b7555e9976
Correct OAM interrupt behavior
2016-04-02 16:29:27 +03:00
f1e9623371
Initial public commit
2016-04-01 21:27:01 +03:00
Lior Halphon