46 commits

Author	SHA1	Message	Date
Colby	4ccb749957	fixed incorrect behavior of mbc1 ram access ... gameboy will simply not write to memory if memory is not enabled.	2016-08-08 22:06:10 +10:00
Colby	e729181763	fix input not working correctly	2016-08-08 21:16:43 +10:00
Colby	aeab98baaf	add support for the joypad	2016-08-02 23:44:46 +10:00
Colby	84c90c4665	re-enable drawing sprites and windows	2016-08-01 20:21:06 +10:00
Colby	03de70423b	fix bad offset for ECHO ram, emulate Input and other MMU fixes	2016-08-01 20:05:53 +10:00
Colby	abefb6da56	set STAT register on skip boot	2016-07-31 22:13:28 +10:00
Colby	ba6073aba0	fix screen enable/disable	2016-07-31 22:13:06 +10:00
Colby	bf785c7d54	tiny refactor of update lylc	2016-07-31 22:11:16 +10:00
Colby	322cbffc3c	more cleanup	2016-07-31 14:13:28 +10:00
Colby	d632b015c1	rename line gpu line methods	2016-07-31 13:54:59 +10:00
Colby	15005532e3	removing junk	2016-07-31 13:51:45 +10:00
Colby	5faa2f2a81	extraced GPU modes into methods	2016-07-31 13:32:42 +10:00
Colby	f962e68c73	add ppu spec, moved vblank into method and accessor mode + modeclock	2016-07-31 13:24:00 +10:00
Colby	d466c46056	rename gpu time to cycles	2016-07-31 13:16:34 +10:00
Colby	0e13707487	removed SCREEN_HEIGHT and WIDTH defintion from GPU	2016-07-31 13:13:45 +10:00
Colby	8b727f1bde	fix incorrect framebuffer size	2016-07-31 13:12:13 +10:00
Colby	5a71e8de00	fix incorrect setting of GPU modeclock	2016-07-31 13:10:47 +10:00
Colby	f9be999699	LCD Stat interrupt	2016-07-26 22:38:36 +10:00
Colby	ba2d81a89b	fix instruction timing	2016-07-26 20:19:26 +10:00
Colby	a10a2794d1	handle HALT instruction	2016-07-24 11:02:07 +10:00
Colby	faf994fb89	interrupt Vblank	2016-07-24 11:01:08 +10:00
Colby	db5044effa	fixes for IME instructions and time	2016-07-23 23:09:31 +10:00
Colby	2a1f3a6e30	fix breaking DAA instruction	2016-07-23 14:57:41 +10:00
Colby	94984f5db4	fix incorrect interrupt time and serving the correct interrupt	2016-07-21 18:09:41 +10:00
Colby	f7887b745e	rewrote ROM controller	2016-07-21 18:09:11 +10:00
Colby	c2357e31fd	removed unused Interrupt.serve_interrupt	2016-07-21 18:08:48 +10:00
Colby	91f3a27fe2	move timer tick outside CPU non-halt loop, must always tick	2016-07-21 18:08:34 +10:00
Colby	e72058ec37	proper MBC1 implementation	2016-07-20 21:19:04 +10:00
Colby	346b4ae443	refactor memory mapping	2016-07-20 14:21:24 +10:00
Colby	a68e9339d8	update timer to pass specs	2016-07-19 00:08:46 +10:00
Colby	f5491fb543	fix bad spelling of request_interupt method in Interrupt	2016-07-19 00:08:37 +10:00
Colby	f5c9376663	fix bug inside mmu for div reset register	2016-07-18 21:07:18 +10:00
Colby	5e6aa1391c	add dma transfer to mmu	2016-07-17 22:23:38 +10:00
Colby	7f3f8243de	fix missing forwardable in cartrdige.rb	2016-07-17 22:06:31 +10:00
Colby	4fa99873e4	move loading cartridge from MMU initialize to attr_accessor	2016-07-17 22:06:15 +10:00
Colby	196235bce3	added timer	2016-07-17 22:05:51 +10:00
Colby	9654dd09c3	fixed spelling typo of cartridge in mmu	2016-07-05 19:06:04 +10:00
Colby	932159d05f	some code cleanup and documentation	2016-07-05 19:03:49 +10:00
Colby	1aa1ccb556	fixed bug where skip_boot option was not being checkd correctly	2016-05-26 21:35:29 +10:00
Colby	a028d378b7	removed external rom from ROM MBC #initialize	2016-05-26 21:13:12 +10:00
Colby	f0e068e0c1	better variable + mehtod names in emulator	2016-05-26 21:10:58 +10:00
Colby	e316301bb7	fixed the rom filename not being passed correctly to the emulator	2016-05-26 21:09:35 +10:00
Colby	cfed45e7a1	fixed bug where cartridge was trying to read from nil object	2016-05-26 21:06:08 +10:00
Colby	9531b235c9	cartrdige documentation, added factory method for cartrdige type ... Added factory method for cartrdige to assign the correct cartridge type to @mbc	2016-05-16 16:56:57 +10:00
Colby	8005c860fb	added documentation of the bootrom	2016-05-16 11:02:08 +10:00
Colby	f6fcbba13e	init commit	2016-05-08 17:20:05 +10:00