78 commits

Author	SHA1	Message	Date
kub	0e2e188e1e	sound, improve ym2612 timers implementation	2023-06-30 19:12:53 +00:00
kub	c3d70d1305	sound, improve ym2612 timers implementation	2023-06-23 19:25:52 +00:02
kub	e0c4dac19c	md, improve z80/68k synchronization	2023-06-23 19:21:10 +00:02
notaz	225260ba40	sound: fix ym2612 address handling ... I already fixed this back in 2017 with 151df6adf9, but forgot about ym2612_write_local(). Fixes missing sounds in Overdrive2.	2023-06-13 11:05:19 +02:00
kub	f61d0a4534	core, testpico fixes	2023-06-09 19:22:51 +00:00
kub	02ff025479	mcd, preparations for msu support	2023-05-26 19:36:50 +00:00
kub	8eeb342641	mcd, some cleanup, fix Word-RAM in 2M mode	2023-05-10 22:20:06 +00:00
kub	133006a9d4	core, improve 68K/Z80 timing	2023-04-24 23:50:06 +02:00
kub	134092feb7	md, implement z80 cycle stealing when accessing 68k bus ... this fixes sound issues in Overdrive 2	2023-04-05 20:02:47 +02:00
kub	e2a5b098e0	core, TH input latency only if output was low	2022-10-04 21:11:26 +00:00
kub	6c6d449ec5	core, add TH pad pin latency (load state regression)	2022-10-03 16:42:41 +00:00
kub	e05680a2b9	core, add TH pad pin latency (regression after 5 min)	2022-10-03 08:42:18 +00:00
kub	66e9abff6d	core, add TH pad pin latency after switching to input	2022-10-03 07:55:25 +00:00
kub	e1e8ca17be	md, reworked cart protection handling, added some unlicensed	2022-04-30 14:07:58 +02:00
kub	1d5885dd84	core, linux+libretro, multiplayer adaptor support	2022-01-26 19:41:19 +00:00
kub	d650a7a268	core, some test code for team player and 4way play	2021-12-07 21:13:23 +01:00
kub	6890dcfafc	core, improve pad compatibility (6btn, mcd32x)	2021-11-26 20:33:26 +01:00
kub	7ed05f8463	core, some type issues	2021-11-14 09:51:51 +01:00
kub	032c76a3a2	sms, memory mapping improvements	2021-10-08 19:34:15 +02:00
kub	15caa286fc	sound, increase resolution for calculating psg sound	2021-10-02 21:31:51 +02:00
kub	86d6fb9a2f	sound, increase resolution for calculating psg sound	2021-10-02 09:34:13 +02:00
kub	eb3b1f9d72	core, fix loading and mapping for images > 4MB	2021-09-30 21:57:22 +02:00
kub	60392bf469	core, add some superfighter mappers	2021-09-21 21:52:04 +02:00
kub	5c73f9d050	mcd, fix pulldowns only there if cd attached	2021-07-01 21:26:57 +02:00
kub	57c5a5e505	add big endian platform support	2021-02-22 22:27:51 +01:00
kub	4cc0fcaf15	fixes and improvements for type issues, part 3	2021-02-06 01:14:07 +01:00
kub	59642c52e6	32x, tentative fix for pad handling	2020-12-14 21:11:37 +01:00
kub	1613ec6c30	vdp, kludge for z80 access	2020-12-12 17:27:30 +01:00
kub	e7faa8e4e1	Merge remote-tracking branch 'upstream/master'	2020-10-21 20:29:58 +02:00
notaz	1d366b1ad9	add a hack for Decap Attack ... Should delay the pull-up affect instead, but probably nothing needs this whole thing anyway.	2020-10-13 23:19:47 +03:00
kub	2e5cbf5b6a	audio, fix for speed regression after last commit	2020-07-17 19:26:27 +02:00
kub	6f7beab435	audio, fix sound issues in some intros	2020-07-16 19:29:49 +02:00
kub	70aecd15b0	audio: SN76496 fixes	2020-04-24 19:08:49 +02:00
kub	09b96f9940	audio: improve cycle accuracy of SN76496+YM2612	2020-04-22 21:49:48 +02:00
kub	84e18560bb	fix for gp2x audio regression	2020-03-30 23:54:11 +02:00
kub	7aab476859	audio fixes for overdrive demo	2020-01-26 20:12:18 +01:00
kub	43e1401008	emulator timing fixes, VDP DMA fixes, improved DAC audio	2020-01-14 23:00:44 +01:00
kub	8ac9ab7fcb	audio: added SSG-EG to YM2612, plus some timing changes for SN76496+YM2612	2020-01-08 00:49:13 +01:00
kub	78d817c370	arm asm memory access functions for m/s68k	2019-07-30 16:34:40 +02:00
notaz	48c9e01be8	improve 64bit portability ... for win64 mostly	2018-01-06 21:29:59 +02:00
notaz	6311a3baf5	move more globals to PicoInterface ... similar reasons as before	2017-10-22 02:13:46 +03:00
notaz	93f9619ed8	rearrange globals ... scripted find/replace gives slightly better code on ARM, less unnecessary asm, ~400 bytes saved	2017-10-20 12:21:09 +03:00
notaz	88fd63ad10	split memories away from Pico ... saves ~3k of code on ARM because Pico no longer crosses ldr limit	2017-10-14 00:53:08 +03:00
notaz	3162a7104c	adjust z80 timing a bit	2017-10-12 02:54:46 +03:00
notaz	ebd70cb5d9	fix various logging issues	2017-10-12 02:54:46 +03:00
notaz	e42a47e208	some more risky timing changes ... But should be closer to the real thing. Let's see what this will break...	2017-10-12 02:54:41 +03:00
notaz	d1b8bcc634	some poor timing improvement attempts	2017-10-07 01:36:59 +03:00
notaz	75b84e4b7c	slightly better z80 vdp reads	2017-10-07 01:36:59 +03:00
notaz	5d638db094	handle frequent psg updates	2017-10-07 01:36:59 +03:00
notaz	4f2cdbf551	clean up dac code a bit	2017-10-07 01:36:59 +03:00