767 commits

Author	SHA1	Message	Date
notaz	0e4bde9b2d	rework sr ... note to self: h32 0x10A .. 0x127 0x1D2 .. 0x1FF 0x000 .. 0x109 pclk 30 | 46 | 266 = 342 hbset 0x126 ... 0x009 pclk 29 | 1 + 46 + 10 | 256 mclk 290 | 570 | 2560 = 3420 68kclk 41.4 81.4 365.7 ~= 488.5 h40 0x14A .. 0x16C 0x1C9 .. 0x1FF 0x000 .. 0x149 pclk 35 | 55 | 330 = 420 hbset 0x166 ... 0x00A pclk 28 | 7 + 55 + 11 | 319 mclk 28*8 | 7*8 4*8+314+10+(18+11)*8 | 319*8 = 3420 68kclk 32 92 364.5 ~= 488.5	2017-10-14 00:53:08 +03:00
notaz	22814963cc	some irq hacks ... notes to self (derived from Nemesis): H32: 0x10A .. 0x127 0x1D2 .. 0x1FF 0x000 0x001 pclk 30 46 1 |0x109 mclk 770 | 2650 = 3420 68kclk 110 378.5 ~= 488.5 H40: 0x14A .. 0x16C 0x1C9 .. 0x1FF 0x000 0x001 pclk 35 55 1 mclk 35*8 4*8+314+10+19*8 |0x149*8 788 | 2632 = 3420 68kclk 112.5 376 ~= 488.5	2017-10-14 00:53:08 +03:00
notaz	2b46e6c105	fix t574 reset	2017-10-14 00:53:08 +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	e64886365d	drop legacy save support ... the format has been changed like 10 years ago	2017-10-14 00:53:08 +03:00
notaz	4aedc59300	drop unmaintained mips code ... can always be brought back if anyone has proof it's faster	2017-10-12 02:56:11 +03:00
notaz	334f00e24e	vdp timing hacks	2017-10-12 02:56:09 +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	8f80007bcc	fix underalloc	2017-10-07 01:36:59 +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	5103774f6d	sn76496: simplify writes	2017-10-07 01:36:59 +03:00
notaz	4f2cdbf551	clean up dac code a bit	2017-10-07 01:36:59 +03:00
notaz	e23f4494fb	state: setup banks before CPUs on load	2017-10-07 01:36:59 +03:00
notaz	151df6adf9	simple ym2612 fixes	2017-10-07 01:36:59 +03:00
notaz	6d28fb5023	fix ym2612 asm, rework EG ... this should be split, but I'm lazy EG saves ~900 bytes	2017-10-07 01:36:59 +03:00
notaz	e0bcb7a90d	some support for vdp debug reg	2017-10-03 00:41:13 +03:00
notaz	1a08dec0e0	simplify tile drawing ... cuts away 1126 bytes of code on x86	2017-10-03 00:41:13 +03:00
notaz	eced019098	scroll size improvement	2017-10-03 00:41:13 +03:00
notaz	b71cbbf705	some support for 128k mode	2017-10-03 00:41:10 +03:00
notaz	b0e08dff9a	allow limited z80 vdp access ... lame and totally wrong timing	2017-10-03 00:40:37 +03:00
notaz	40d22a8e76	recognize the MED ssf2 header	2017-10-03 00:40:37 +03:00
notaz	f508065409	relax the bank check ... there is 512K padding on load	2017-10-03 00:40:37 +03:00
notaz	c6b118c0ad	fame: always update the fetch map ... should just get rid of that thing, it's annoying	2017-10-03 00:40:37 +03:00
notaz	6d8782a1f9	don't miss the sprite check ... DrawAllSprites depends on HighLnSpr, so prepare in DrawAllSprites was a bad idea as lots of things may have changed	2017-10-03 00:40:37 +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	7feeb88062	make dma honour banking ... I was sure I had it done before, turns out not.	2017-09-30 20:53:11 +03:00
notaz	6a47c2d4fb	integrate SPI EEPROM	2017-09-30 20:53:11 +03:00
notaz	8c2137f11f	import SPI EEPROM from Genesis-Plus-GX ... Author: EkeEke	2017-09-30 20:53:11 +03:00
notaz	1dd0871f20	memory: allow SRAM word writes ... Was allowing both low and high byte writes by byte, but not word, which was stupid.	2017-09-20 23:47:09 +03:00
notaz	2b15cea82e	workaround idledet breaking op test	2017-09-20 23:47:09 +03:00
notaz	a39743e315	musashi: don't generate unneeded handlers ... at least move16 was incorrectly hooked up	2017-09-20 23:47:09 +03:00
notaz	61c4e5117a	32x: skip unnecessary bios work in cd mode	2017-08-19 00:38:03 +03:00
notaz	61290a3553	drz80: drop fast_sp for compatibility ... no measurable improvement in most cases anyway	2017-08-11 02:12:57 +03:00
notaz	ae7830aae1	get some gp2x stuff out of the way for others	2017-08-06 23:22:53 +03:00
notaz	34e424aa27	remove dead code	2017-08-06 23:02:28 +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	bc38f4d24f	remove some dead code	2017-08-06 02:22:12 +03:00
notaz	c5c5dd7132	cd: fix missed null terminator	2017-08-06 01:48:25 +03:00
notaz	ad949800e4	fix a name clash with newer zlib	2017-08-04 00:36:13 +03:00
notaz	0e352905c7	fix some warnings ... warning: array subscript is above array bounds [-Warray-bounds]	2017-04-17 00:50:49 +03:00
notaz	01685eefb0	fix broken error path	2017-04-17 00:50:49 +03:00
notaz	325ee167fd	use system's zlib ... except for libretro github issue #45	2017-04-17 00:50:49 +03:00
notaz	b4c2331e79	get rid of the silly unzip_stream ... ... and just use zlib's inflate. Needed for the next commit.	2017-04-17 00:50:49 +03:00
notaz	fbba0ff6a0	make memcpy32/memset32 take void *	2015-08-29 02:37:23 +03:00