69 commits

Author	SHA1	Message	Date
kub	7bf552b5fa	add/update copyright notices for substantially changed files	2024-07-02 22:55:50 +02:00
kub	c5ecd7a0bb	core, some save state fixes	2024-06-27 23:39:45 +02:00
kub	7cbd42bc54	md, minor cleanup for region code handling	2024-06-15 10:15:19 +00:00
kub	96e5982134	core vdp, reset fix	2024-05-18 22:29:56 +02:00
kub	db2b6d9966	core z80, fix cycle counting in reset state	2024-04-12 20:29:50 +02:00
kub	c7661b80ef	md, fix vdp reset handling	2024-04-12 20:08:33 +02:00
kub	51d6248b95	md, fix vdp reset handling	2024-03-28 21:39:12 +01:00
kub	ba2b97dc24	core, fix Pico horizontal irq (on irq level 5)	2024-01-20 17:15:51 +01:00
kub	724db457da	core, handle background color DMA (aka fantom bitmap)	2024-01-13 12:09:16 +01:00
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	3d7abd6905	32x, fix startup crash	2023-06-07 21:21:58 +00:00
kub	02ff025479	mcd, preparations for msu support	2023-05-26 19:36:50 +00:00
kub	133006a9d4	core, improve 68K/Z80 timing	2023-04-24 23:50:06 +02:00
kub	d515a352b3	core vdp, fix sprite rendering issues with Overdrive 1/2	2023-04-05 20:00:37 +02:00
kub	eb990fd62a	32x, reset handling and synchronization changes	2022-10-28 19:55:40 +00:00
kub	96baa875a0	core, improve save/load	2022-01-19 22:00:23 +00:00
kub	1886ac5f30	VDP DMA/CPU access timing improvements	2021-05-27 21:30:45 +02:00
hiroshica	a2f24bfa7b	adding ym2413 ... squashed commits: YM2413追加中 一通り実装したけどポートへの書き込み方が不明でまだ音が出ない 細かい修正（未テスト） resetで初期化されるのをなんとかしたい sound 初期化と終了を追加してみた SN76496を参考にYM2413のアップデート方法を変更してみた stereoフラグをアップデートサイズに変更 処理順番を整理したら音が出た stateセーブに対応してみた addition: Support for the Japanese Mark-III extended FM sound source unit	2020-07-28 22:04:32 +02:00
kub	7c1c9c7742	menu background fix for pal mode	2020-04-07 22:23:52 +02:00
kub	c55a44a88c	vdp fifo speed optimization	2020-03-14 19:52:27 +01:00
kub	17bd69adc6	revised VDP fifo implementation	2020-02-07 22:14:34 +01:00
kub	1259ac4f60	VDP timing improvements	2020-01-26 20:46:21 +01:00
kub	43e1401008	emulator timing fixes, VDP DMA fixes, improved DAC audio	2020-01-14 23:00:44 +01:00
notaz	6311a3baf5	move more globals to PicoInterface ... similar reasons as before	2017-10-22 02:13:46 +03:00
notaz	eef77d7a8b	handle 'bad' dma better	2017-10-21 00:02:38 +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	a4fa71d4da	libretro: drop sram clear ... It's done by the core. If the core is missing something, core itself needs to be fixed.	2017-10-14 00:53:09 +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	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	0c7d1ba332	some dma improvements ... no idea if anything needs this, shouldn't hurt either	2017-10-03 00:40:21 +03:00
notaz	98a2714234	eliminate texrels, part 3	2017-08-06 22:25:26 +03:00
notaz	99bdfd31b8	eliminate texrels (wip2)	2017-08-06 19:23:20 +03:00
notaz	ea38612fad	eliminate texrels (wip)	2017-08-06 18:18:29 +03:00
notaz	a6523294e2	cd: fix cycle overflow issue	2013-10-04 23:24:36 +03:00
notaz	8e4e84c215	cd: fix yet more desyncs ... state load, reset..	2013-09-23 02:11:26 +03:00
notaz	fa8fb75445	handle 32x+cd	2013-09-16 02:03:29 +03:00
notaz	a4dfdb6de1	general timing hacks	2013-09-06 02:40:37 +03:00
notaz	4fb435550b	cd: fix busreq and reset	2013-08-29 03:55:59 +03:00
notaz	ae214f1c37	new timing for main and cd	2013-08-28 01:07:26 +03:00
notaz	a76fad4129	32x: add 6btn quirk	2013-08-20 00:54:03 +03:00
notaz	531a8f3883	improve input handling	2013-08-17 03:38:47 +03:00
notaz	61801d5bc8	32x: implement more sh2 peripherals	2013-08-13 03:46:29 +03:00
notaz	12da51c27a	some new cpu debug code	2013-08-10 17:57:54 +03:00
notaz	19886062f1	rework sh2 sync, again.. ... also some new debug and poll code VF seems to be ok at least..	2013-07-27 22:23:52 +03:00
notaz	6d7979571d	drc: debug improvements	2013-07-23 01:45:21 +03:00
notaz	a8fd6e3761	32x: rework scheduling/timing ... - don't run in line quantity - decouple from 68k - some things to tune..	2013-07-09 03:30:58 +03:00
notaz	ed4402a7df	32x: start reworking sheduling	2013-07-09 01:44:56 +03:00
notaz	2446536be5	initial libretro port	2013-06-28 01:57:00 +03:00