64 Commits

Author	SHA1	Message	Date
Greg Hewgill	8827db4f6a	command line options: --rom, --ram, --quiet	2011-08-15 22:47:16 +12:00
James Tauber	b9033a459a	moved speaker buffer playing into the Speaker class	2011-08-15 02:30:28 -04:00
James Tauber	4dd414dea8	implemented speaker; not a bad hack :-)	2011-08-15 02:22:58 -04:00
James Tauber	be91422317	refactored memory access so cycle can be passed in	2011-08-15 00:21:20 -04:00
James Tauber	a92dcfecd3	implemented cycle calculation (except for page boundary crossing)	2011-08-14 23:50:34 -04:00
James Tauber	fcb1d585a0	added test_run to run CPU over a fragment of memory with no UI event handling (for automated testings)	2011-08-14 17:21:03 -04:00
James Tauber	bdc7b3a1e2	improved coloured for better whites	2011-08-14 03:52:56 -04:00
James Tauber	96ad7be994	fixed missing self	2011-08-13 09:49:14 -04:00
James Tauber	f3e0cef441	refactored memory so RAM just subclasses ROM, adding write_byte	2011-08-13 09:47:18 -04:00
James Tauber	6b163f1c2d	whitespace nits	2011-08-13 09:43:55 -04:00
James Tauber	4c333ec125	added load_file to RAM	2011-08-13 09:41:45 -04:00
James Tauber	1be14989ca	implemented HIRES colour	2011-08-13 09:11:46 -04:00
Greg Hewgill	5a8bf9a516	use pregenerated character bitmaps for text mode	2011-08-14 00:16:42 +12:00
James Tauber	e37c4dcbcd	added HIRES graphics support based on code from ghewgill: 5aa8ca2caa	2011-08-13 07:52:17 -04:00
James Tauber	8f3b640393	always draw the spaces between scanlines	2011-08-13 07:24:23 -04:00
James Tauber	2f71ca9029	in mixed mode, assume monitor is colour	2011-08-13 07:22:10 -04:00
James Tauber	38736cf243	refactored update_text and update_lores into a single method	2011-08-13 07:06:11 -04:00
James Tauber	9e92bbba97	display full width of characters	2011-08-13 06:37:47 -04:00
James Tauber	588f913eb2	character heights are really 8 not 9	2011-08-13 06:36:21 -04:00
James Tauber	7cc9e8bdad	implemented LORES graphics	2011-08-13 06:33:12 -04:00
James Tauber	4267732d7f	make display optional (for testing)	2011-08-13 04:02:43 -04:00
James Tauber	d11aff5416	Merge branch 'master' into pygame	2011-08-13 04:00:56 -04:00
James Tauber	2e34927e7c	got tests working again after memory refactor	2011-08-13 04:00:40 -04:00
James Tauber	9220ec85db	ported to pygame and added bit-accurate characters	2011-08-13 03:52:07 -04:00
James Tauber	02714dff55	if writing to text screen row group 3 just skip instead of throwing exception	2011-08-07 07:03:50 -04:00
James Tauber	6525a27511	don't treat indices as signed in indexed addressing modes (ht: ghewgill)	2011-08-07 06:42:47 -04:00
James Tauber	4177ae0b25	consistent whitespace	2011-08-07 06:29:15 -04:00
James Tauber	772cdad470	Merge pull request #4 from ghewgill/master ... add disassembler	2011-08-07 03:22:40 -07:00
James Tauber	c42c5044fc	split memory handling into separate classes for RAM, ROM and Soft Switches	2011-08-07 06:19:49 -04:00
Greg Hewgill	267d0c8e06	add disassembler, enable for dump mode	2011-08-07 21:52:26 +12:00
Greg Hewgill	56e82f7cb6	don't allow writes to ROM area (this caused the ][+ ROM to hang on boot)	2011-08-07 21:31:01 +12:00
Greg Hewgill	c9dcee2f08	fix typos for zero_page_y_mode in instruction dispatch table	2011-08-07 20:30:44 +12:00
Greg Hewgill	1925846c3c	fix dump() function so it works (when uncommented)	2011-08-07 19:32:39 +12:00
Greg Hewgill	dde4a83f85	fix typo in instruction table	2011-08-07 19:10:30 +12:00
Greg Hewgill	e961d7e00d	simplify calculating signed values in adc and sbc	2011-08-07 18:33:42 +12:00
Greg Hewgill	5a8b25b771	only need to allocate 64k of memory	2011-08-07 18:17:24 +12:00
James Tauber	ce179a470f	if curses can't write a character to the screen, just skip it; fixes #1	2011-08-07 01:34:10 -04:00
James Tauber	44099ae4f2	improved implementation of indirect bug across page boundaries including indexed indirects as well	2011-08-07 01:22:48 -04:00
James Tauber	c101868549	fixed error in BVS	2011-08-07 00:39:17 -04:00
James Tauber	36355def33	whitespace nit	2011-08-07 00:37:49 -04:00
James Tauber	f521fba883	properly use 0 and 1 not False and True for flags	2011-08-07 00:30:12 -04:00
James Tauber	777266f8e1	implemented non-accumulator version of ROR	2011-08-07 00:24:25 -04:00
James Tauber	8f10724a7f	fixed inverse use of carry in SBC	2011-08-06 23:53:47 -04:00
James Tauber	6e709fcc4c	turns out PLA DOES affect NZ after all	2011-08-06 23:36:04 -04:00
James Tauber	b413e9ac64	renamed load to load_file, added a load to load memory from byte list and refactored loading code	2011-08-06 23:11:52 -04:00
James Tauber	309f8277e1	emulate indirect mode bug in 6502	2011-08-06 23:02:52 -04:00
James Tauber	84bdef67cd	reimplemented CMP, CPX and CPY based on 2006/2007 code	2011-08-06 22:39:11 -04:00
James Tauber	6fb2d79cda	reimplemented ADC and SBC based on 2006/2007 code	2011-08-06 22:35:45 -04:00
James Tauber	32120dffef	apparently PLA does not affect NZ flags	2011-08-06 22:12:11 -04:00
James Tauber	3a20c009d9	little BIT of simplication	2011-08-06 22:05:15 -04:00