93 commits

Author	SHA1	Message	Date
kub	ebde43de9d	core z80, bus blocking for VDP DMA	2024-05-08 00:09:18 +02:00
kub	274dd51a60	core z80, cycle counting fixes (reset, bus request)	2024-05-08 00:09:18 +02:00
kub	9f29605f55	core, floating bus read for 68k in some more places	2024-03-16 15:58:47 +01:00
kub	71f9c68f5b	core z80, improve timing for bus request/grant timing from 68k	2024-03-14 23:18:26 +01:00
kub	02d578601b	core, fix crash bug in DrZ80 (SP wrap)	2024-03-07 20:36:00 +01:00
kub	83025d7abe	core, implement ym2612 busy flag	2024-03-04 21:59:52 +01:00
kub	c066c40ba9	core z80, more timing fixes	2024-03-04 21:59:52 +01:00
kub	a17fb0210b	core z80, some timing improvements	2024-03-03 13:01:51 +01:00
kub	80f51a1d59	core, slightly increase accuracy of some hw timers	2024-03-02 10:36:49 +01:00
kub	d97d056c46	core md, assert z80 vint for complete scanline	2024-02-21 00:29:17 +01:00
kub	5038e421e9	Merge pull request #96 from 'techmetx11/master' ... * techmetx11/master: Add hack for unlicensed games that don't handle the Z80 bus properly	2023-11-01 22:39:44 +01:00
techmetx11	a67db32a4a	Add hack for unlicensed games that don't handle the Z80 bus properly	2023-08-21 16:21:25 +01:00
kub	46b4c1d322	core, optimize vcounter handling	2023-07-17 21:16:38 +02:00
kub	7021622153	core, fix z80 vcounter value	2023-07-12 22:35:33 +02:00
kub	7263343dc7	core, improve 68k timing accuracy	2023-07-11 21:18:05 +00:00
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