99 commits

Author	SHA1	Message	Date
kub	db1ee7a2df	core, handle background color DMA (arm asm)	2024-01-28 21:25:04 +01:00
kub	724db457da	core, handle background color DMA (aka fantom bitmap)	2024-01-13 12:09:16 +01:00
kub	c180662e07	sms, improve changing of video mode	2023-12-03 17:46:59 +01:00
kub	a5aae2c39f	sms, fix menu background scaling and position	2023-07-06 17:25:47 +00:00
kub	5864c4214a	core, regression fix for h32 scaling	2023-06-11 21:17:50 +00:00
kub	17c1401b44	32x, fix softscale enabled by 32x ... also some streamlining cleanup in the drawing code	2023-06-11 19:11:18 +00:00
kub	97232a47c9	core vdp, implement partial line blanking	2023-04-27 22:24:21 +02:00
kub	f9ed944604	core vdp, avoid rendering if no changes to RAMs/registers ... mainly benefits 32X in faster/fastest rendering mode, 0-5% saved	2023-04-27 22:18:55 +02:00
kub	0c9c8e4796	core vdp, some cleanup	2023-04-27 21:19:56 +02:00
kub	ae9a76c90d	core vdp, improve sprite rendering ... implements kabuto's phase 2, fixes rotating 3D blocks in Overdrive 2	2023-04-12 18:11:29 +00:00
kub	d515a352b3	core vdp, fix sprite rendering issues with Overdrive 1/2	2023-04-05 20:00:37 +02:00
kub	ac89144969	md vdp, fix sprite parsing (done on previous line)	2023-03-26 10:33:29 +00:00
kub	0aa63fce12	core, revisit Sega 8 bit hardware handling	2023-02-22 23:22:45 +00:00
kub	96948bdfc8	sms, add fast renderer, remove 1st column (8 px) if blanked	2022-09-25 10:03:06 +00:00
kub	52e4a905c8	32x, add support for h32 mode rendering	2021-11-22 19:18:49 +01:00
kub	ace184013b	core+gp2x+psp, fix handling mid-frame palette changes	2021-11-10 23:32:40 +01:00
kub	646be42e9d	sms, add vdp midframe cram change handling for 8bit renderer	2021-10-17 22:50:07 +02:00
kub	d2e3f475ff	core, fix rendering copy buffer overlap reported from asan	2021-10-16 10:05:04 +02:00
kub	466fa07953	sms, basic gamegear support	2021-10-14 23:08:17 +02:00
kub	0df7401c02	sms vdp, add zoomed sprites, column vscroll blocking, mode 2 graphics	2021-10-08 20:24:33 +02:00
kub	d5d1778252	sdl, complete overhaul of hardware/software scaling	2021-09-10 18:54:05 +02:00
kub	b010d7b4ca	vdp rendering, fix crash for sprites with negative x/y	2021-03-05 00:29:52 +01:00
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	1e4663e1c8	sms, fix 8bit fast renderer	2021-01-20 20:55:12 +01:00
kub	f55fb31463	vdp renderer, improvements for 8bit fast ... improved 240 lines support, add setting buffer width, structural improvements	2021-01-20 20:55:12 +01:00
kub	aa97a0a01f	32x renderer, fix for render buffers with pitch != line width, some speedup	2021-01-13 23:27:11 +01:00
kub	cdc6aac4c0	partially revived platform support for PSP (unfinished) ... just to have a platform with an unusal screen resolution - suspend/resume handling probably non-working - no scaling settings - no image generation currently no intentions to finish this.	2021-01-10 12:13:56 +01:00
kub	f821bb7011	core, structural cleanup, fixes and improvements for type issues #2	2021-01-01 12:44:02 +01:00
kub	15eed40550	core, fixes and improvements for type issues	2020-12-29 11:27:11 +01:00
kub	08bbe7f816	vdp rendering, fix handling of palettes 0-2 color 14 in sprite drawing	2020-12-12 14:59:09 +01:00
kub	207e5ba0ee	vdp, add handling of external buffers for fast renderer	2020-12-12 14:36:54 +01:00
kub	16b11d9171	rendering, fix bgr555 output mode ... NB not done for ARM asm since no target uses bgr555	2020-12-05 15:20:15 +01:00
kub	61d76999d7	Merge from libretro/master:46902e0 for repo synchronization	2020-12-05 22:39:06 +01:00
kub	33cb1ab015	more rendering fixes and optimisations	2020-10-10 09:38:59 +02:00
kub	3031ff347a	vdp rendering, fix fast-forward graphics	2020-10-07 20:08:22 +02:00
kub	7165b73c26	vdp rendering, layer drawing optimisation	2020-10-07 20:07:13 +02:00
kub	71a2e205ea	vdp rendering, cleanup and optimisation	2020-10-04 23:10:10 +02:00
kub	47677a2ab1	vdp rendering, fixes and optimisations	2020-09-30 19:32:16 +02:00
kub	47548249a0	vdp rendering, fix window with mixed prio tiles	2020-09-25 21:19:29 +02:00
kub	8e4ab3c62c	vdp rendering, fix sprite masking and interlace layer priority	2020-09-21 18:10:35 +02:00
kub	6bfa97ff78	vdp rendering, fix highlight op on shadow	2020-09-18 00:29:14 +02:00
kub	352479001c	vdp, optimisation for 8bit renderers	2020-08-04 22:24:56 +02:00
kub	7980d47767	sms mode 4, fix 8 bit renderer code	2020-07-25 23:58:57 +02:00
kub	6badfabe35	vdp rendering, bugfix for overlapping high prio sprites	2020-05-22 23:14:52 +02:00
kub	b718aa2d93	add copyright stuff to substantially changed files	2020-05-16 21:16:27 +02:00
kub	b061bc166c	vdp rendering, sprite caching optimization	2020-04-07 20:47:38 +02:00
kub	61114cd8b4	vdp rendering fixes	2020-03-27 19:26:00 +01:00
kub	6dd553c7a8	vdp rendering fixes (debug register, vscroll) for overdrive 2	2020-03-19 22:51:04 +01:00
kub	26643d27f2	vdp rendering improvements	2020-03-14 19:14:04 +01:00