30 Commits

Author	SHA1	Message	Date
ekeeke	c718b1f3f2	[Core/CD] fixed CD communication registers state on peripheral reset (fixes SUB-CPU side initialization in MSU-MD sample demo and some Mode 1 patched games using MSU-MD driver)	2020-09-08 01:57:44 +02:00
ekeeke	fbb3448cea	[Core/CD] fixed word access to CDD control register (fixes spurious audio track playback on startup with Mode 1 patched games using MSU-MD driver)	2020-09-04 02:37:01 +02:00
ekeeke	e66b7bc83d	[Core/CD] improved Timer interrupt timings and CDD interrupt accuracy (fixes audio stutters during Popful Mail FMV)	2020-04-14 15:51:38 +02:00
ekeeke	364d186789	[Core/CD] optimized accesses to CDC RAM on little-endian platforms	2019-11-25 17:25:34 +01:00
ekeeke	b1ccc1aaba	[Core/CD] improved CD hardware reset timing accuracy on software reset	2019-03-23 14:01:43 +01:00
ekeeke	cae62cd675	[Core/CD] fixed Main-CPU/Sub-CPU synchronization edge case	2019-03-23 13:55:44 +01:00
ekeeke	0b75d4ba74	[Core/CD] improved accuracy of Word-RAM byte writes (verified on schematic)	2019-01-09 00:54:59 +01:00
ekeeke	d539061d99	[Core/CD] added support for Wondermega & Wondermega M2/X'Eye specific fader hardware (fixes CD-DA issues and freeze when using Wondermega, Wondermega M2 or X'Eye BIOS)	2018-08-30 18:37:12 +02:00
EkeEke	60bb5edb17	[Core/CD] fixed access to Sub-CPU "read-only" communication registers (fixes Round 5 Boss freeze in Streets of Rage / Sega Classics Arcade Collection)	2016-09-07 23:01:40 +02:00
EkeEke	36da8a2453	[Core/CD] CD timings should be initialized during CD hardware initialization (fixes broken Mode 1 support)	2016-07-06 23:09:15 +02:00
EkeEke	ece23d007e	[Core/CD] improved PAL Mega CD timing accuracy	2016-06-22 01:15:15 +02:00
EkeEke	e347ef2713	[Core/CD] minor optimization	2015-07-09 23:49:41 +02:00
EkeEke	bbdb551faf	[Core/CD] improved PCM chip & Gate-Array area mirroring	2015-05-31 20:39:53 +02:00
EkeEke	a07f7a3d24	[Core/CD] added CD-AUDIO & CD+G support	2015-05-31 18:21:35 +02:00
EkeEke	4a41e0cca7	[Core/MCD] fixed PRG-RAM access from MAIN-CPU side on system reset	2015-04-26 18:25:21 +02:00
EkeEke	5a3d4655ba	[Core/SCD] improved emulation accuracy of mirrored memory areas	2015-02-08 13:53:47 +01:00
EkeEke	c478c6026a	[Core/SCD] disable access to mirrored areas of PRG-RAM as well when SUB-CPU is not halted (continuing fix for Dungeon Explorer USA)	2015-01-31 18:05:44 +01:00
EkeEke	e9e56c56b0	[Core/CD] disabled 68k & Z80 access to PRG-RAM when SUB-CPU is running (proper fix for Dungeon Explorer USA version)	2015-01-28 00:32:44 +01:00
EkeEke	d11e0166fa	[Core/MCD] disabled Z80 write access to PRG-RAM (fixes Dungeon Explorer USA version)	2015-01-26 01:05:25 +01:00
EkeEke	8392d93fcb	[Core/SCD] improved savestate	2014-12-14 17:10:45 +01:00
EkeEke	aabd7f8c2b	[Core/MCD] fixed state loading bug when SUB-CPU interrupt is pending	2014-10-23 23:37:50 +02:00
EkeEke	07677550fe	[Core/MCD] fixed incorrect masking of Level 3 (GFX) interrupts (spurious freeze during Japanese BIOS intro)	2014-10-23 23:22:10 +02:00
EkeEke	c6bcd315fb	[Core/MCD] fixed H-INT vector handling when using Mode 1	2013-12-17 17:06:13 +01:00
EkeEke	aef1b342fb	[Core/MCD] removed redundant checking on CPU sync	2013-10-30 00:37:10 +01:00
EkeEke	e6774eed1b	[Core/MCD] disabled CD hardware reset on Soft-Reset (verified on real hardware)	2013-10-21 00:27:10 +02:00
EkeEke	f6a3903032	[Core/MCD] fixed access to "write-only" communication flags from Main-CPU & SUB-CPU (verified on real hardware by Notaz)	2013-10-21 00:25:08 +02:00
EkeEke	14d4074f11	[Core/MCD] fixed pending level 1 interrupts when GFX interrupt is disabled (fixes random freezes out of "Batman Returns" option menu)	2013-10-21 00:19:23 +02:00
EkeEke	400fd5be16	[Core/MCD] added CDC & GFX register polling detection / synchronization	2013-10-21 00:14:44 +02:00
EkeEke	2236072ce9	[Core/MCD] improved Main-CPU & Sub-CPU idle loop detection (fixes "Super League CD")	2013-10-21 00:09:50 +02:00
EkeEke	aede1b9299	rearranged core & back-end specific code (part 2)	2013-06-17 22:31:31 +02:00