28 Commits

Author	SHA1	Message	Date
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
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	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	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	3cf83e7557	[Core/MD] improved MD+ audio track loopback transitions	2021-09-28 20:26:13 +02:00
ekeeke	dfe3672878	[Core/MD] added support for MegaSD CD hardware overlay (MD+ hacks) and extended SSF2 / ROM write mappers	2021-09-13 19:32:52 +02:00
EkeEke	d0aa36acc3	[Core/CPU] improved 68K/Z80 synchronization	2018-01-07 16:24:28 +01:00
EkeEke	f6f4556533	[Core/Sound] fixed 3-Band EQ implementation	2017-09-19 15:26:50 +02:00
EkeEke	41285e1131	[Core/Sound] optimized Blip Buffer implementation for stereo streams (thanks to David Knight for original idea)	2016-12-18 23:09:16 +01:00
EkeEke	1f169d76e5	[Core/VDP] fixed first frame VINT occurrence	2016-10-15 14:07:50 +02:00
EkeEke	446d9aa61f	[Core/CPU] fixed Z80 interrupt duration (fixes music running too fast in Bomb on Basic City homebrew)	2016-08-16 00:02:33 +02:00
EkeEke	ff6bd36593	[Core/CD] fixes last commit broken PCM clock initialization when VSYNC is enabled	2016-07-15 20:07:23 +02:00
EkeEke	373b4ff214	[Core/VDP] disabled sprite rendering during border when borders are not disabled (fixes wrong sprite collision detection in Racer homebrew game when borders are disabled)	2016-05-29 18:53:57 +02:00
EkeEke	d8ebe96491	[Core/VDP] fixed Mode 4 sprite Y wrapping in various screen height modes (fixes VDP Test ROM / Fantastic Dizzy)	2016-05-08 17:09:31 +02:00
EkeEke	9365ac2b55	[Core/VDP] improved VDP status timing accuracy	2016-05-01 20:21:45 +02:00
EkeEke	381a9d114f	[Core/VDP] fixed issues caused by screen width change during active display (Golden Axe 3 intro, Ultraverse Prime)	2016-05-01 20:10:37 +02:00
EkeEke	2749f1dec0	[Core/IO] added TH pin direction switching latency emulation (verified on real hardware), fixes control issues in Decap Attack	2016-01-17 17:17:28 +01:00
EkeEke	c18e5d9825	[Core/misc] code cleanup (continued)	2015-10-19 18:48:26 +02:00
EkeEke	406ee5e6bc	[Core/Misc] code cleanup	2015-10-17 19:12:32 +02:00
EkeEke	ec554b4b70	[Core/General] rewrote frame emulation timing, now starts with vertical blanking to reduce input lag by one more frame (warning: this breaks compatibility with previous savestates)	2014-12-14 17:10:15 +01:00
EkeEke	bf184b9440	[Gamecube/Wii] improved A/V Sync: when VSYNC is enabled, audio resampler output rate is now adjusted (+/-0,1 %) to always keep audio & video synchronized and input lag is reduced by one frame.	2014-10-10 18:34:33 +02:00
EkeEke	10e5a924df	[Core/MS] improved Z80 address decoding on Japanese Master System I/O chip (315-5297) ... [Core/GG] modified VDP register 10 state on reset (fixes Terminator 2: Judgment Day) [Core/SG] added support for SG-1000 II clone hardware (2KB RAM + integrated VDP/PSG chip 315-5066)	2014-03-02 16:07:08 +01:00
EkeEke	65a8ce44a5	[Core/SG] restored SG-1000 Pause button support	2013-10-30 00:38:41 +01:00
EkeEke	5d67b14cea	[Core/VDP] fixed V28/V30 mode switching during active display (verified on real hardware)	2013-10-20 23:40:00 +02:00
EkeEke	42ea79cf73	[Core/VDP] improved Mode 5 sprites rendering (fixes "Overdrive" demo)	2013-10-20 20:53:33 +02:00
EkeEke	cbf8f4ed2a	[Core/VDP] improved FIFO timings accuracy (fixes "Overdrive" Demo)	2013-10-20 20:41:44 +02:00
EkeEke	6635ab7ebf	updated headers of modified files	2013-06-17 22:42:05 +02:00
EkeEke	aede1b9299	rearranged core & back-end specific code (part 2)	2013-06-17 22:31:31 +02:00