Lior Halphon
67f1566b5e
Minor refinement to sweep
2017-09-23 00:23:02 +03:00
Lior Halphon
e0a6edac35
Setting sweep period to 0 cancels pending calculate event
2017-09-22 14:53:24 +03:00
Lior Halphon
2ffce49e16
Minor bugfixes related to sweeping
2017-09-22 14:39:39 +03:00
Lior Halphon
75db33559a
Current sample index (Channel 1 and 2) is only reset after turning the APU off
2017-09-22 02:25:06 +03:00
Lior Halphon
8f4cd5c412
Corrected behavior for channel 1 and 2 restart
2017-09-22 02:04:29 +03:00
Lior Halphon
882b141478
Fixed dmg_sound-1
2017-09-21 18:32:21 +03:00
Lior Halphon
2ca550273a
Fixed dmg_sound-5
2017-09-21 18:18:10 +03:00
Lior Halphon
d3c15ef6ca
Fixing APU bugs, one at a time: Blargg’s dmg_sound 8.2
2017-09-21 14:52:09 +03:00
Lior Halphon
02ac609f3c
Merge branch 'master' into new_apu
2017-09-20 16:16:05 +03:00
Lior Halphon
be038dc8e7
Refinement to the last fix
2017-09-20 03:08:54 +03:00
Lior Halphon
57e7782ac4
Interrupt servicing is now more accurate. Fixes mooneye-gb’s ie_push (all models) and Pinball Deluxe (!!!) for CGB mode
2017-09-20 02:49:45 +03:00
Lior Halphon
09b7e2fff4
Fixed a bug in scx_delay’s calculation
2017-09-11 23:56:35 +03:00
Lior Halphon
b9bdd6c49c
Merge branch 'master' into new_apu
2017-09-10 02:33:40 +03:00
Lior Halphon
14f267b4fa
Another whoops
2017-09-09 19:31:05 +03:00
Lior Halphon
02841ddde6
Whoops
2017-09-09 16:55:55 +03:00
Lior Halphon
026baddbab
Implemented delayed/future interrupts for DMG hblank interrupt. Restores vblank_stat_intr-GS support.
2017-09-09 13:45:01 +03:00
Lior Halphon
1e90400916
Reimplemented delayed/future interrupts, currently correct only for CGB.
2017-09-09 13:32:12 +03:00
Lior Halphon
742c9e95d3
Updated previous timing improvements to correctly implement double speed behavior
2017-09-08 23:46:38 +03:00
Lior Halphon
e5d354e896
Refined SCX’s effects on PPU timing
2017-09-08 23:02:24 +03:00
Lior Halphon
0f1fa3176f
Refinements to LCD timing (breaks vblank_stat_intr-GS for now)
2017-09-08 12:59:57 +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
a1a13c61bf
On CGB, the VBlank and STAT interrupts are “delayed” by one T-cycle (relative to IF) since they’re not aligned to a T-Cycle
2017-09-03 00:41:52 +03:00
Lior Halphon
0532d2a159
A test ROM I wrote seems to contradicts some of AntonioND’s findings regrading PPU timing in CGB mode. CGB mode now behaves like DMG mode until I figure out what caused the difference.
2017-09-02 23:51:02 +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
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
62878fdc7a
More accurate div-event handling
2017-08-15 22:27:15 +03:00
Lior Halphon
8d011ca4b9
Accuracy improvements (Sweep)
2017-08-15 22:05:20 +03:00
Lior Halphon
d04aaddcbd
Added highpass filter
2017-08-15 21:59:11 +03:00
Lior Halphon
ca59aca4a6
Fixed a bug where writing to NR52 affected channels 1 and 2’s duty pattern in DMG mode. Fixed NR43 being written to NR44 as well.
2017-08-13 20:26:35 +03:00
Lior Halphon
36943866e2
Better click prevention
2017-08-12 23:35:18 +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
dba7370d6d
Turns out APU signal is inverted. This fixes Perfect Dark’s audio.
2017-08-12 20:47:55 +03:00
Lior Halphon
688991f57f
The volume envelopes and length controls are handled in different phases of the div-divider
2017-08-12 20:17:20 +03:00
Lior Halphon
4b8be255ce
Fixed some channel 4 delays, documented a not currently emulated timing quirk.
2017-08-12 19:50:39 +03:00
Lior Halphon
066efab985
In DMG mode, the length registers are not affected by turning the APU on and off. Why? Why not!
2017-08-11 22:23:03 +03:00
Lior Halphon
0e22ad8eb1
Noise channel support
2017-08-11 17:57:08 +03:00
Lior Halphon
1a8bcd314d
Accuracy improvements to sweeping (Still not complete though, more research needed)
2017-08-10 19:42:23 +03:00
Lior Halphon
ab5611119a
Accuracy improvements, especially to the length control
2017-08-02 21:14:23 +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
2936f7fa57
Fixed channel 3 counter behavior, verified with new tests. The DIV register ticks the APU at 512Hz.
2017-07-22 19:51:11 +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
nattthebear
eb7492c6c6
Fix undefined behavior (sequence point modification). GCC 4.6.4 compiles the code incorrectly without this fix.
2017-07-16 21:08:07 -04:00
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
efbc385417
Forgot to amend the last commit, it was broken.
2017-06-21 01:07:11 +03:00
Lior Halphon
aefca34b39
Improved MBC1 emulation. Fixed incorrect error messages.
2017-06-19 19:46:09 +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
144d0348dd
Loading a save state creating during the effect of the previous MBC RAM bug will now attempt to fix the (broken) save state.
2017-06-08 23:26:04 +03:00
Lior Halphon
c650337928
Fixed a bug where MBC RAM was no longer accessible after using the GB_reset functions
2017-06-08 22:48:23 +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
65b0dcb2c5
Fixed a bug where SameBoy freeze for a moment after leaving turbo mode
2017-06-03 17:02:12 +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
48acc09e91
Fixed the first item in the backtrace command
2017-06-03 16:19:39 +03:00
Lior Halphon
22ee6f6ca2
Fixed incorrect calculation in rendering timing. Fixes some of the issues in Prehistorik Man (and doesn’t break GBVideoPlayer)
2017-05-31 23:58:14 +03:00
Lior Halphon
9b89d76b3b
Todo cleanup
2017-05-27 17:30:12 +03:00
Lior Halphon
096bd8ba94
Merge branch 'sdl2'
2017-05-27 12:30:25 +03:00
Lior Halphon
a01ea29cf1
The first entry in the backtrace command is now in the same format as the rest
2017-05-26 20:21:39 +03:00
Lior Halphon
7d88ee00cc
Added side view to Cocoa debugger
2017-05-26 20:16:19 +03:00
Lior Halphon
ece1a11a23
SDL port: GUI-based error reporting, added help dialog (? on macOS, F1 on everything else)
2017-05-25 23:28:48 +03:00
Lior Halphon
4d5dc6a30e
Cleanup
2017-05-24 21:44:43 +03:00
Lior Halphon
bef89c6604
Upgraded Sameboy-SDL to SDL2, fixed Windows build, fixed save states in SDL, added reset and mute to SDL. The SDL port now renders via OpenGL.
2017-05-21 21:45:19 +03:00
Lior Halphon
6dd24e0733
Fixed hung note issue. Closes #7
2017-05-13 17:04:05 +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
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
3feaeb153e
New turbo related APIs, Quick Look no longer requires GB_INTERNAL
2017-04-19 21:55:58 +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
0b1e2784cd
Fixed saves and save states not working correctly on Windows
2017-03-24 14:39:39 +03:00
Lior Halphon
4bf391b1c8
SCX now effects Mode 3’s length. Fixes hblank_ly_scx_timing-GS
2017-02-25 23:30:31 +02:00
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
724153e5ef
Minimal attempt to be compatible with ROMs without correct headers
2017-02-24 15:14:47 +02:00
Lior Halphon
3d99773ddb
Changed how the Cocoa port initializes GB_gameboy_t
2017-02-24 15:14:00 +02:00
Lior Halphon
319857db89
Fixed window behavior
2017-02-24 00:59:07 +02:00
Lior Halphon
a420cfd798
HUC1’s RAM Enable only controls writing
2017-02-23 00:27:08 +02:00
Lior Halphon
c5ce14dad1
Prevent Hblank HDMAs when the LCD is off
2017-02-21 22:33:09 +02:00
Lior Halphon
f4a364c3db
It seems like STAT’s LYC flag should be on while the screen is off.
2017-02-21 21:31:52 +02:00
Lior Halphon
fed3b4f9cd
Symbolicate LDH instructions
2017-02-21 21:31:22 +02:00
Lior Halphon
aca7687edd
Fixed a bug where LYC would be compared to the wrong value in the first cycle of a frame
2017-02-20 22:52:34 +02:00
Lior Halphon
91513ced22
Minor adjustment to LCD timing after enabling it.
2017-02-20 14:20:45 +02:00
Lior Halphon
399e88d5fe
STAT timing and LCD interrupts rewritten, should be more accurate.
2017-02-19 02:22:50 +02:00
Lior Halphon
74d00b84b7
Treat STOP as a 2-byte instruction
2017-02-17 00:21:02 +02:00
Lior Halphon
6b1363e96e
Fixed: Writing to 3XXX in MBC5 before writing to 2XXX no longer switches to the wrong bank.
2017-02-16 23:13:55 +02:00
Lior Halphon
421d3b27f5
Correct emulation of HUC1 banks higher than 0x1F
2017-02-16 21:07:35 +02:00
Lior Halphon
10ab2b4fe0
Fixed typo in the disassembler.
2017-02-16 20:51:32 +02:00
Lior Halphon
3fbc2c5716
DI should not be delayed.
2017-02-15 19:04:53 +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
