Lior Halphon
2bfe922650
Allow emulating an SGB without SFC HLE
2019-07-15 20:47:16 +03:00
Lior Halphon
9f7255cd23
Make the automation results more consistent across revisions, and making use of this change as a chance to add color correction to the automation
2019-07-13 20:29:11 +03:00
Lior Halphon
50a6a3e35c
Fix libretro SGB1 FPS, fix un/serialization memory corruptions in libretro
2019-06-19 23:49:43 +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
274760746e
Fix #165
2019-06-07 19:18:07 +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
64879f5b02
Accurate emulation of (most aspects of) stop mode
2019-06-07 13:53:50 +03:00
Lior Halphon
3e724afb0a
Basic SGB support in the SDL port
2019-05-18 18:45:31 +03:00
Lior Halphon
06670fc970
Fix #172 . Allow unroll optimizations when compiling with GCC.
2019-05-10 21:51:11 +03:00
Lior Halphon
05cd81b77c
Implemented jump-to breakpoints
2019-04-12 20:29:43 +03:00
Lior Halphon
7242ddae64
speling is difikult
2019-03-16 20:56:22 +02:00
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
73a54049d2
Accurate PPU access timings
2019-01-19 19:32:26 +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
21eb96a2f5
Joypad multiplayer support (Cocoa)
2018-12-15 18:55:41 +02:00
Lior Halphon
b1a2e45168
Improvements to the SGB animation
2018-12-01 13:39:43 +02:00
Lior Halphon
2d6d1e6325
SGB boot animation
2018-11-24 13:21:00 +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
c9d6a1381f
Cross emulator compatibility with RTC saves
2018-11-03 01:31:14 +02:00
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
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
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
Lior Halphon
f1dfa2a1bc
More sensible implementation of the STAT interrupt.
2018-06-04 02:07:38 +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
1fcde88d8a
Improved accuracy of the halt bug
2018-05-12 22:13:52 +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
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
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
9aadc80f75
Implemented some obscure PPU rendering quirks, verified some timings
2018-04-05 15:33:21 +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
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
Lior Halphon
96063fb0da
Fixed Windows build, added Unicode support in Windows.
2018-03-28 21:59:27 +03:00
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
04bfc89816
Cycle accurate OAM search mode
2018-03-23 19:07:14 +03:00
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
c267ad00b5
Goodbye
2018-03-09 23:34:23 +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
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
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
b702d56547
Merge branch 'master' into timing
...
# Conflicts:
# Core/display.c
# Core/z80_cpu.c
2018-03-01 21:22:33 +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
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
Lior Halphon
1c61b006ba
Added rewinding support to the core and the Cocoa frontend
2018-02-10 14:42:14 +02:00
Lior Halphon
95234036bb
Added return value to GB_run API.
2018-01-31 15:18:04 +02:00
Lior Halphon
27b5718b07
Merge branch 'master' into libretro_core
2017-10-12 22:50:02 +03:00
Lior Halphon
a753e00b59
Added direct_access interface to interrupt_enable/IE register
2017-10-12 22:49:39 +03:00
Lior Halphon
40e4f93637
Replaced libretro specific code with a generic API
2017-10-12 22:06:01 +03:00
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
Lior Halphon
9615ca6fa6
Merge pull request #14 from libretro/master
...
libretro core
2017-10-12 18:29:26 +03:00
Lior Halphon
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
twinaphex
a7db98c22e
Memory needs to be uniquely named for Android
2017-10-09 11:36:55 -05:00
twinaphex
d433cdf260
Add baked-in generated BIOS files
2017-10-09 11:36:23 -05:00
Lior Halphon
1804a5c8e6
Updated save struct version
2017-09-23 00:25:21 +03:00
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
0f643e01b7
Removing the delayed interrupt mechanism, research is not complete enough for implementation
2017-09-08 12:58:35 +03:00
Lior Halphon
ba0e66a5b7
Merge branch 'master' into new_apu
2017-09-04 18:41:13 +03:00
Lior Halphon
72d26c7046
Fixed obscure timer behavior, fixed regression in rapid_toggle.gb.
2017-09-04 18:40:43 +03:00
Lior Halphon
9bde98dede
SCY latching is now correctly emulated, rendering mode timing refined.
2017-09-04 15:45:18 +03:00
Lior Halphon
54eb51d8db
Refined timer interrupt timing
2017-09-02 22:08:20 +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
d65c2247e5
Added channel 1 and 2, fixed accuracy issues with channel 3
2017-07-27 23:11:33 +03:00
Lior Halphon
a19ee1e5e0
2MHz audio downscaling support. Implemented NR50 and NR51.
2017-07-21 23:17:48 +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
efbc385417
Forgot to amend the last commit, it was broken.
2017-06-21 01:07:11 +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
babcc0a7dc
Added API to load/save states from RAM
2017-06-14 00:23:34 +03:00
Lior Halphon
a9475fbdf4
Refined the behavior of the last fix on a DMG.
2017-06-03 20:06:52 +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
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
Lior Halphon
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
Lior Halphon
b858f17425
Added the GB_run_frame API; closes #5 .
2017-04-25 00:19:10 +03:00
Lior Halphon
22d3510dde
Added LCD command to the debugger
2017-04-22 14:55:17 +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
