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322 Commits

Author SHA1 Message Date
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
Lior Halphon eed8a06fc0 Several fixes to the help command 2017-02-04 19:00:31 +02:00
Lior Halphon 57c73c8a51 Fixed the help command for the disassemble command 2017-02-04 17:49:22 +02:00
Lior Halphon 517e72f92b Printer compression support 2017-01-20 23:00:02 +02:00
Lior Halphon 527ae01e0e Printer API, compression not supported yet 2017-01-13 22:20:11 +02:00
Lior Halphon cd382ef236 Fixed: Conditional read watchpoints crashed if the expression referred to the 'new' variable. Breakpoint and watchpoint conditions no longer trigger watchpoints. 2017-01-12 23:11:26 +02:00
Lior Halphon 8c14ec3268 An interrupt should also occur when using external clock. 2016-11-13 00:42:05 +02:00
Lior Halphon 22c34e1095 Serial API 2016-11-12 01:58:53 +02:00
Lior Halphon 388fb600de Added VRAM-debugging APIs, added VRAM viewer to Cocoa Port, fixed uninitialized VRAM, fixed memory viewer crash 2016-10-27 00:23:24 +03:00
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 1b8832a7ff Added disassemble command 2016-10-19 23:55:23 +03:00
Lior Halphon ee51dec20e Added modifier syntax to debugger: Changed watch's syntax, added format modifier to print/eval, added count option to examine command. 2016-10-19 23:48:46 +03:00
Lior Halphon edf93abff1 According to Mooneye's test ROMs, this behavior does not happen on a CGB 2016-10-18 00:31:07 +03:00
Lior Halphon 11f8c41305 Basic HUC3 support 2016-10-17 18:51:43 +03:00
Lior Halphon 9ca7540c69 Fixed dereferencing a non-banked address in the debugger 2016-10-14 01:19:39 +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 76c795a966 Whoops. 2016-10-04 04:01:06 +03:00
Lior Halphon 90b7383df7 The camera's get pixel callback must return the same value for every coordinate until a new photo is taken. 2016-10-03 23:05:47 +03:00
Lior Halphon 2d06599a85 Edge enhancement support 2016-10-03 19:39:20 +03:00
Lior Halphon 8941504863 Refinements to camera support according to AntonioND's docs 2016-10-03 18:24:15 +03:00
Lior Halphon dd23fffcc0 Proper (I believe) emulation of most GameBoy Camera registers 2016-10-03 14:22:54 +03:00
Lior Halphon 2a84d62187 Forbid reading the image while the camera is busy 2016-10-03 01:29:54 +03:00
Lior Halphon 479a64dca6 Dither using a pattern, closer to actual GameBoy Camera 2016-10-02 23:36:20 +03:00
Lior Halphon de7c15fc68 Another camera API bugfix 2016-10-02 18:33:33 +03:00
Lior Halphon 9c68ac1419 Camera API bugfix 2016-10-02 18:14:05 +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 9b71454f07 Basic HUC1 support (Emulated as MBC1) 2016-10-02 02:15:03 +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 80a1b12ae7 Added palette command to the debugger 2016-10-01 22:08:34 +03:00
Lior Halphon 4a2bec239a MBC2 RAM support was completely broken. 2016-09-30 23:34:06 +03:00
Lior Halphon 5565c096c7 Misc optimizations, especially for the tester 2016-09-30 01:09:44 +03:00
Lior Halphon 3ac3eccebb Bugfix: Multiple watchpoints did not work correctly and conflicted with breakpoints 2016-09-30 01:09:17 +03:00
Lior Halphon 258500bda3 Merge branch 'master' into rateless_apu 2016-09-23 18:53:38 +03:00
Lior Halphon 52ed2ca55e Corrected BG enable's behavior (Fixes visual glitch with Krusty's Funhouse) 2016-09-23 18:30:07 +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 0991705379 Refined HALT bug behavior, fixed Robocop 2016-09-22 01:51:09 +03:00
Lior Halphon bc3cab7dfa Forbid pressing two opposing direction keys. Fixes Pocket Bomberman (U). 2016-09-21 02:15:02 +03:00
Lior Halphon 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
Lior Halphon c40b86d4a4 Merge branch 'master' into rateless_apu 2016-09-21 00:23:59 +03:00
Lior Halphon 6f2b36cacb The HALT bug also happens on CGBs, regardless of DMG mode. 2016-09-20 22:59:25 +03:00
Lior Halphon f88c9d299b Merge branch 'master' into rateless_apu 2016-09-20 20:05:03 +03:00
Lior Halphon f46414b7b1 Updated struct version :( 2016-09-20 20:04:38 +03:00
Lior Halphon 37e895352f Volumes no longer doubles 2016-09-20 19:58:30 +03:00
Lior Halphon f049284324 Emulate the HALT bug on a DMG 2016-09-20 01:22:21 +03:00
Lior Halphon 1a3a96762b CPU cleanup 2016-09-18 23:50:04 +03:00
Lior Halphon ed31358934 Forgot to emulate LCDC bit 0! 2016-09-18 21:00:05 +03:00
Lior Halphon fe51805ed7 Incorrect constant name 2016-09-16 18:24:38 +03:00
Lior Halphon f4c5cf20bc Cleanup of ret_cc 2016-09-16 13:27:32 +03:00
Lior Halphon 71d4ba21f2 Added a tick-counting debugger command 2016-09-16 11:58:31 +03:00
Lior Halphon 4beb946468 Slight APU optimization 2016-09-14 22:49:35 +03:00
Lior Halphon f274cbc2ec Read wave form while playing 2016-09-13 17:40:10 +03:00
Lior Halphon 594aea2d5a APU is now being run lazily 2016-09-13 17:33:48 +03:00
Lior Halphon eefc998e43 Removed for loop in APU 2016-09-13 17:06:35 +03:00
Lior Halphon ff7b8a6854 Removed doubles, reorganized code a bit 2016-09-13 16:57:16 +03:00
Lior Halphon b95860c034 Making the APU independent of sample rate 2016-09-13 16:55:26 +03:00
Lior Halphon 43be91f032 Slightly more readable code. 2016-09-13 01:20:18 +03:00
Lior Halphon 95cfb114a2 Properly setting MBC RAM 2016-09-10 13:25:18 +03:00
Lior Halphon 6d836b9f48 Fixed APU bug that prevented some games from working 2016-09-10 02:20:44 +03:00
Lior Halphon 62ecadeb57 Fixed another reset-while-debugging deadlock in Cocoa 2016-09-07 00:37:11 +03:00
Lior Halphon 01fc137256 Fixed an APU issue that might occur when having more than one GB_gameboy_t object 2016-09-06 22:36:16 +03:00
Lior Halphon 603b8969ab Correct (disconnected) serial emulation. 2016-09-06 13:13:14 +03:00
Lior Halphon 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
Lior Halphon a2d77b1754 Warn about unsupported cartridges/MBCs 2016-09-03 04:00:37 +03:00
Lior Halphon a746c726ee Added basic automatic ROM tester 2016-09-03 03:39:32 +03:00
Lior Halphon ee4907949b Support for RTC latching. Fixes #4. 2016-08-21 22:33:57 +03:00
Lior Halphon e7626535a8 Initial Windows support 2016-08-20 17:51:17 +03:00
Lior Halphon 0734e990b3 Memory viewer now has a Goto command, different memory space modes, and allows viewing/editing specific banks 2016-08-19 14:54:54 +03:00
Lior Halphon f9236d12bf Improvements to the help command and general debugger usability. 2016-08-13 22:52:41 +03:00
Lior Halphon 806d0775a4 Added backtrace command to debugger 2016-08-09 22:48:53 +03:00
Lior Halphon bebb5c7a41 Correctly emulating the unused OAM memory in DMG mode 2016-08-06 18:58:44 +03:00
Lior Halphon cc8664b0a8 Correctly emulating a disconnected serial cable 2016-08-06 18:57:33 +03:00
Lior Halphon af10e07ed7 Initing OBP0/1 correctly 2016-08-06 18:57:13 +03:00
Lior Halphon e95d2c4abe Fixed DI instruction on CGB 2016-08-06 17:16:38 +03:00
Lior Halphon d03a1fbd16 Fixed TMA writing while reloading. 2016-08-06 14:36:33 +03:00
Lior Halphon 85a33ed8ef Emulating DMA delay correctly 2016-08-06 14:24:43 +03:00
Lior Halphon 4a50000e83 Corrected timing for many instructions 2016-08-06 14:00:35 +03:00