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Author	SHA1	Message	Date
Matthew Berry	0f0d2a4c20	arm data processing clear pipeline if r15=rd	2020-10-13 23:15:29 -07:00
Matthew Berry	025a0c3d5b	stub keypad to 0xFF (no keys pressed)	2020-10-13 23:14:17 -07:00
Matthew Berry	cbe206b13e	implement sbc, make data_processing use abstracted arith	2020-10-13 18:59:40 -07:00
Matthew Berry	86195d55d1	arm multiply long	2020-10-12 00:10:44 -07:00
Matthew Berry	54dcc01487	allow multiplication wrapping	2020-10-11 23:56:56 -07:00
Matthew Berry	3d0408d702	set proper flags for adc	2020-10-11 23:47:21 -07:00
Matthew Berry	ad446281fc	fix stmia register order	2020-10-11 20:07:28 -07:00
Matthew Berry	155f0a7f68	arm single data transfer respect byte quantity	2020-10-11 19:56:53 -07:00
Matthew Berry	4654d15e2a	arm fix strh, only store halfword	2020-10-11 19:44:31 -07:00
Matthew Berry	f9c8ae7668	thumb load address	2020-10-11 13:33:04 -07:00
Matthew Berry	e8de35e27e	fix large asr	2020-10-11 13:32:35 -07:00
Matthew Berry	403bd71d7e	impl bgcnt registers	2020-10-11 12:23:13 -07:00
Matthew Berry	367b578d9f	clear pipeline if rd==15 in thumb hi-reg bx, load/store imm, load/store reg	2020-10-11 10:29:22 -07:00
Matthew Berry	b52599ae2d	thumb fix conditional branch crash on wrong int type	2020-10-10 20:38:48 -07:00
Matthew Berry	9b1f73e741	thumb load/store register offset	2020-10-10 20:38:15 -07:00
Matthew Berry	dfb833a351	arm multiply, fix arm lut bit selection	2020-10-10 18:48:08 -07:00
Matthew Berry	4a2f0a6789	scheduler, ppu vcount/dispstat on scheduler, ppu io fix read/write order	2020-10-09 21:01:04 -07:00
Matthew Berry	71235e4b2a	arm fix negative branch offset	2020-10-09 20:17:51 -07:00
Matthew Berry	cf156829e5	add dispstat + reads/writes	2020-10-09 00:58:07 -07:00
Matthew Berry	705113eae2	arm block data transfer	2020-10-08 08:35:04 -07:00
Matthew Berry	e29bde0bcf	arm fix single data transfer imm offset, add mmio/interrupt writes ... this hits the fps by ~15 for some reason on tonc's m3_demo...	2020-10-07 08:19:14 -07:00
Matthew Berry	9c166aca90	thumb halfword data transfer immediate, pram read/write	2020-10-06 21:13:07 -07:00
Matthew Berry	d808070d24	custom/minimal pipeline implementation in favor of Deque ... also removed constants from Bus class, which seems to have improved performance for some reason as well	2020-10-05 00:14:19 -07:00
Matthew Berry	493d8b74f6	remove constant ranges from bus, redesign mem map lookups ... Turns out constants in Crystal are slow as _hell_. Thanks Ary for the help discovering that. Maybe one day Crystal will improve that, but for now this change over triples performance.	2020-10-04 16:10:34 -07:00
Matthew Berry	800bf36803	remove hot .to_u8 call in bus, add fps to display title	2020-10-04 00:18:23 -07:00
Matthew Berry	7795000cac	thumb fix setting reg in high reg branch exchange	2020-10-03 14:55:25 -07:00
Matthew Berry	0177822cfc	thumb load/store sign extended	2020-10-03 14:33:07 -07:00
Matthew Berry	63a57e07ab	thumb sp-relative load/store	2020-10-03 00:54:07 -07:00
Matthew Berry	f1058e3450	thumb add offset to stack pointer	2020-10-03 00:10:58 -07:00
Matthew Berry	7228a50427	loop cpu forever, make cpu tick other components	2020-10-03 00:00:00 -07:00
Matthew Berry	fc9f3d3035	very basic ppu, passing tonc first.gba	2020-10-02 23:30:14 -07:00
Matthew Berry	b25d941d0f	thumb unconditional branch	2020-10-02 23:13:59 -07:00
Matthew Berry	67c58e5f2b	vram writes	2020-10-02 00:00:21 -07:00
Matthew Berry	1d148c3ea7	thumb load/store halfword, add halfword type, add halfword write	2020-10-01 22:20:03 -07:00
Matthew Berry	b830b97687	ppu writes to dispcnt	2020-09-30 22:19:43 -07:00
Matthew Berry	843fb155df	fix thumb add not setting value, rename var in thumb multiple load/store	2020-09-30 22:03:33 -07:00
Matthew Berry	4194dfb6fd	fix word writes, fix register list in thumb push/pop, fix thumb push/pop stack pointer decrement	2020-09-30 22:01:55 -07:00
Matthew Berry	27b0a4e4ce	thumb only clear pipeline when branching	2020-09-30 00:01:36 -07:00
Matthew Berry	e4d98a3970	thumb long branch offset is signed	2020-09-30 00:00:09 -07:00
Matthew Berry	f230348f75	thumb push/pop registers	2020-09-29 00:17:46 -07:00
Matthew Berry	cf310896b1	abstract addition, set carry/overflow flags for addition	2020-09-28 23:33:38 -07:00
Matthew Berry	21ae86e2ff	thumb load/store immediate offset	2020-09-28 22:46:28 -07:00
Matthew Berry	e7664c5796	thumb high register branch	2020-09-28 22:28:46 -07:00
Matthew Berry	3ad9f6d8df	patch check_cond abstraction, now works properly with thumb and arm	2020-09-28 00:13:47 -07:00
Matthew Berry	116058472c	abstract subtraction, set carry/overflow flags for subtraction	2020-09-28 00:12:47 -07:00
Matthew Berry	15433454a4	allow writes to wram board/chip	2020-09-27 23:39:18 -07:00
Matthew Berry	d62bfecacf	thumb multiple load store	2020-09-27 23:33:13 -07:00
Matthew Berry	ac7e3bbe72	thumb alu operations	2020-09-27 23:32:14 -07:00
Matthew Berry	7820e69eb6	thumb actually check the condition...	2020-09-27 22:41:54 -07:00
Matthew Berry	0ec726cfbe	thumb add/subtract	2020-09-27 22:41:02 -07:00