Max/SameBoy
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244 Commits

Author SHA1 Message Date
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
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
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
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
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
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
4d5dc6a30e Cleanup 2017-05-24 21:44:43 +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
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
4bf391b1c8 SCX now effects Mode 3’s length. Fixes hblank_ly_scx_timing-GS 2017-02-25 23:30:31 +02:00
Lior Halphon
319857db89 Fixed window behavior 2017-02-24 00:59:07 +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
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
399e88d5fe STAT timing and LCD interrupts rewritten, should be more accurate. 2017-02-19 02:22:50 +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
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
5565c096c7 Misc optimizations, especially for the tester 2016-09-30 01:09:44 +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
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
a746c726ee Added basic automatic ROM tester 2016-09-03 03:39:32 +03:00
Lior Halphon
e7626535a8 Initial Windows support 2016-08-20 17:51:17 +03:00
Lior Halphon
aa6438fa06 Async debugger commands 2016-07-18 00:46:45 +03:00
Lior Halphon
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
Lior Halphon
5723b82293 Fixed graphical glitches caused by the last change to LCDC emulation 2016-06-17 02:27:32 +03:00
Lior Halphon
e6c4b4d1b2 Seems like I forgot to finish implementing the stop instruction! 2016-06-14 14:12:13 +03:00
Lior Halphon
8153b765a2 General cleanup. Minor fixes to LCD Controller accuracy. 2016-06-12 19:39:05 +03:00
Lior Halphon
d7d8da3fa9 More accurate emulation of the SCX register 2016-06-11 17:58:00 +03:00
Lior Halphon
ee7e58e44b Fixed a bug introduced by the last STAT fix. This restores GBVideoPlayer support. 2016-06-10 17:29:49 +03:00
Lior Halphon
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
Lior Halphon
b7555e9976 Correct OAM interrupt behavior 2016-04-02 16:29:27 +03:00
Lior Halphon
a3dd58c92c Fixed inaccurate LCD controller behavior that caused Pokémon Pinball to freeze. 2016-04-01 21:27:16 +03:00
Lior Halphon
3344480de7 Vblank now returns a white screen if LCD is off, instead of keeping the buffer unmodified. 2016-04-01 21:27:16 +03:00
Lior Halphon
f1e9623371 Initial public commit 2016-04-01 21:27:01 +03:00