541 Commits

Author	SHA1	Message	Date
ds22x	7de0f0b6cd	Merge branch 'ekeeke:master' into master	2024-09-19 00:13:10 +02:00
ekeeke	a6002bb254	[Core/CD] improved robustness of CDD seeking delay emulation (fixes Krikzz's mcd-verificator CDC INIT endless loop following dd619513a4)	2024-09-01 14:39:09 +02:00
ekeeke	7717557cb8	[Core/CDD] fixed compilation error introduced in 3b95fdf328	2024-09-01 14:20:52 +02:00
ekeeke	69b36abfa0	Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX	2024-09-01 11:37:31 +02:00
ekeeke	3b95fdf328	[Core/CD] improved GFX processing robustness in case of word-RAM address overflow (fixes potential emulator crash in Flink level 20)	2024-09-01 11:36:32 +02:00
techmetx11	15bb7aca8f	Add support for Shi San Zhang Ma Jiang: Zhong Guo Mei Nv Pian copy protection (#570) ... * Add support for Shi San Zhang Ma Jiang: Zhong Guo Mei Nv Pian copy protection * Move the entry closer to the Taiwanese unlicensed games that have the same mapper, and use the most similar set of values/address to the other games with the same mapper	2024-08-10 20:44:21 +02:00
LibretroAdmin	5355eae2e1	Revert "Update VFS implementation to current libretro-common (#354)" (#356) ... This reverts commit 89d2c907eb.	2024-06-28 18:35:26 -07:00
Alberto Fustinoni	89d2c907eb	Update VFS implementation to current libretro-common (#354) ... * Update VFS implementation to current libretro-common * Updated libretro-common	2024-06-28 15:46:42 -07:00
sonninnos	cb156de42e	libchdr buildfix attempt	2024-05-15 01:52:53 +03:00
sonninnos	f00b1d1e3e	libchdr update + precache option	2024-05-14 22:27:51 +03:00
sonninnos	a1b8039c35	Remove warning in blip_buf.c	2024-05-14 20:32:12 +03:00
ds22x	b47cda3f73	Merge branch 'ekeeke:master' into master	2024-05-02 20:16:40 +02:00
ekeeke	f9f16d7a55	[Core/MD] added emulation of 68k delay during Z80 acccess to 68k bus (fixes graphical glitch on Rick Dangerous II title screen introduced after adding emulation of 68k bus refresh delays)	2024-05-01 18:44:46 +02:00
ds22x	cbacea7236	Merge branch 'ekeeke:master' into master	2024-04-21 01:29:44 +02:00
feos	0c45a8a8ab	use UNLIKELY() macro (#554)	2024-04-20 20:16:54 +02:00
ekeeke	dbdb18eb50	Merge branch 'master' of https://github.com/ekeeke/Genesis-Plus-GX	2024-04-20 18:49:35 +02:00
ekeeke	dd619513a4	[Core/CD] fixed CDD seeking start delay (fixes Radical Rex incorrect PRG-RAM & Word-RAM initialization, causing missing sprites during intro)	2024-04-20 18:48:25 +02:00
ekeeke	351d052e84	[Core/MD] fixed regression in some unlicensed games mapper emulation (introduced by 7316507339)	2024-04-20 18:26:32 +02:00
Eugene Kulabuhov	25a90c634d	Fix SDL2 build on MacOS (#544) ... * Fix SDL2 build on MacOS * Fixing compilation error	2024-03-24 08:11:17 +01:00
ds22x	541229daa9	Merge branch 'ekeeke:master' into master	2024-03-09 03:17:14 +01:00
ekeeke	6972a5b0d6	[Core/VDP] improved FIFO emulation (fixes lockup in Shin Souseiki Ragnacenty (Japan) and other potential lockup when switching between H32 & H40 mode during active display)	2024-03-06 09:18:43 +01:00
ds22x	d434ad9ee4	Merge branch 'ekeeke:master' into master	2024-03-02 11:19:52 +01:00
ekeeke	8c72ba0d45	[Core/VDP] improved DMA fill timing accuracy (again)	2024-03-02 08:42:03 +01:00
ekeeke	5af254cd23	[Core/VDP] reverted stupid DMA fill timing modification introduced in 9a0a1c2922 (fixes DMA fill regression)	2024-03-02 08:12:00 +01:00
ds22	dc4d9ab552	Merge branch 'ekeeke:master' into master	2024-02-28 22:57:03 +01:00
ekeeke	302fe82fcc	[Core/MD] improved invalid SRAM header info detection (fixes crashes with some unlicensed hacks/translations)	2024-02-27 01:47:21 +01:00
ds22x	b38cdca903	Merge branch 'ekeeke:master' into master	2024-02-23 18:04:13 +01:00
ekeeke	ed7988f8ca	[Core/MD] added emulation of Z80 halt when accessing 68k bus during DMA from 68k bus	2024-02-23 15:40:42 +01:00
ekeeke	9a0a1c2922	[Core/VDP] improved accuracy of DMA to CRAM/VSRAM (verified on real hardware by Mask of Destiny) and DMA Fill timings	2024-02-23 14:48:00 +01:00
ekeeke	5f2f0ce89f	[Core/VDP] improved VINT timing accuracy in H32 mode (verified on real hardware by Nemesis)	2024-02-23 14:08:57 +01:00
ekeeke	0ca78b897e	|Core/VDP] fixed inverted H32 & H40 modes HBLANK flag timings	2024-02-23 13:48:19 +01:00
ekeeke	4c4a762588	[Core/MD] improved accuracy of 68k access to Z80 bus delays	2024-02-23 11:23:13 +01:00
ekeeke	c04a9426b7	[Core/VDP] reverted FIFO access timings hack when using invalid write code value	2024-02-23 11:19:43 +01:00
ekeeke	49a289df89	[Core/CD] fixed byte access to word-only registers (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-02-22 14:14:27 +01:00
ekeeke	f09c97336e	[Core/CD] added clear of CDC decoder interrupt pending flag when decoding is disabled (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-02-21 20:25:04 +01:00
ekeeke	47761b9b8f	[Core/MD] added basic emulation of 68k bus access refresh delays (fixes Super Airwolf graphical glitch during intro & some Krikzz's mcd-verificator timing tests)	2024-02-21 19:50:08 +01:00
ekeeke	405c54555e	[Core/CPU] improved 68k auto-vectored interrupts acknowledge cycle timing accuracy (fixes Pacman 2 - New Adventures crashes during Pac-Jr minigame levels transitions)	2024-02-20 18:54:00 +01:00
ekeeke	6b1dfa1cef	[Core/CPU] improved 68k MOVEM instruction accuracy (implements extra read cycle from memory as verified on real hardware, cf https://gendev.spritesmind.net/forum/viewtopic.php?t=2010)	2024-02-20 15:01:34 +01:00
ekeeke	771452f7a1	[Core/CD] improved SUB-CPU synchronization with graphics processing when polling end of graphics operation	2024-02-20 13:59:36 +01:00
ekeeke	30dfba4966	[Core/CD] fixed potential edge case with CDC DMA halting	2024-02-19 21:47:32 +01:00
ekeeke	3397941b60	[Core/CD] fixed regression in SUB-CPU synchronization with CDC DMA introduced by da8e4e547a (fixes freezes in Ultraverse Prime and probably other games)	2024-02-19 20:27:54 +01:00
ds22x	ecb956d914	Merge branch 'ekeeke:master' into master	2024-02-06 12:30:33 +01:00
ekeeke	e8a6086c89	[Core/CD] improved accuracy of CDC decoder processing (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-02-06 00:37:42 +01:00
ekeeke	904613f51c	[Core/CD] added CDC decoder processing when disc is not playing (fixes MCD-verificator CDC Flags Test 0x30)	2024-02-06 00:27:25 +01:00
ekeeke	90c9c730f0	[Core/CD] improved accuracy of CDC interrupt processing (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-02-05 23:53:57 +01:00
ekeeke	79bd0e7582	[Core/CD] improved Main-CPU & Sub-CPU idle loop detection (fixes cases where ADDQ instruction is used in tight counter incrementing loop)	2024-02-05 23:28:18 +01:00
ds22x	9a9eec1ee2	Merge branch 'ekeeke:master' into master	2024-01-26 20:59:40 +01:00
ekeeke	64d3e08e7d	[Core/CD] improved accuracy of CDC data transfer to Main-CPU and Sub-CPU when writing to CDC data register (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-01-22 01:02:42 +01:00
ekeeke	2c1a2d0def	[Core/CD] improved accuracy of CDC DMA to PRG-RAM write-protected area (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-01-22 00:34:24 +01:00
ekeeke	da8e4e547a	[Core/CD] improved accuracy of CDC DMA processing (verified on real hardware, cf. Krikzz's mcd-verificator)	2024-01-22 00:22:52 +01:00