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Author	SHA1	Message	Date
Chris Pressey	0452d5f2c8	Add game_state_game_over. Needs a bit of work, though.	2017-12-14 10:47:57 +00:00
Chris Pressey	cfb094513f	Set up obstacles in game.	2017-12-14 10:13:47 +00:00
Chris Pressey	1d8f1af964	Fix bug in copy []+y, a. "Hero" no longer leaves a trail.	2017-12-13 17:00:21 +00:00
Chris Pressey	c84473224b	Some TODO notes.	2017-12-13 16:23:28 +00:00
Chris Pressey	b477c5e786	Don't trash a in copy if a is the dest of the copy, for now.	2017-12-13 16:18:36 +00:00
Chris Pressey	f9dc730f88	copy []+y, a to indirectly read byte into the a register.	2017-12-13 16:11:02 +00:00
Chris Pressey	2e4d01edd3	Correct the implementation of check_new_position_in_bounds.	2017-12-13 16:05:18 +00:00
Chris Pressey	7593da7b18	Implement check_new_position_in_bounds.	2017-12-13 15:53:43 +00:00
Chris Pressey	7c3e1ae62c	Use trash to avoid writing code that's only to please the analyzer!	2017-12-13 15:30:20 +00:00
Chris Pressey	c7861d375c	trash indicates a value is no longer considered meaningful.	2017-12-13 15:23:06 +00:00
Chris Pressey	42c7e3006d	Calculate new position instead of updating to it immediately.	2017-12-13 14:29:24 +00:00
Chris Pressey	5f535c963e	Subtract word (constant or memory location) from word memory location.	2017-12-13 14:07:59 +00:00
Chris Pressey	1478db0fb4	Use word tables, in game, to store the actors' positions and deltas.	2017-12-13 13:14:10 +00:00
Chris Pressey	d9c9dab9e7	Clear the screen when starting the game.	2017-12-13 12:32:24 +00:00
Chris Pressey	9c7082db6e	Display message on-screen at start of game.	2017-12-13 12:24:11 +00:00
Chris Pressey	75cc1f6b25	Factor out utility method for selecting addressing mode.	2017-12-13 12:14:26 +00:00
Chris Pressey	f87bcf5ee4	Initial work on initialized byte tables.	2017-12-12 16:41:49 +00:00
Chris Pressey	50390b0787	Can copy a literal word to a word table.	2017-12-12 16:04:59 +00:00
Chris Pressey	63f75a26b4	Initialized word type memory locations.	2017-12-12 15:34:51 +00:00
Chris Pressey	4854077cce	Correctly analyze repeat { ... } forever loops.	2017-12-12 15:18:59 +00:00
Chris Pressey	0145c6d34f	I guess we can note that, even though not 100% sure why it was.	2017-12-12 14:59:20 +00:00
Chris Pressey	3417fd96c7	Apparently this hack was only needed previously due to a bug?	2017-12-12 14:55:57 +00:00
Chris Pressey	7d11273c6c	Slightly less of a hack. Not very much. But more illustrative.	2017-12-12 14:40:32 +00:00
Chris Pressey	0194d37bbd	forward modifier on location expression, instead of assign.	2017-12-12 14:23:34 +00:00
Chris Pressey	b7b28830d7	Introducing a new pseudo-opcode is rarely an elegant solution.	2017-12-12 14:09:17 +00:00
Chris Pressey	dbbd99ffe5	Change how backpatching instructions is implemented.	2017-12-12 13:54:35 +00:00
Chris Pressey	19dd089a03	Allow call and goto routines defined further down in the source.	2017-12-12 13:17:00 +00:00
Chris Pressey	45bc4bd0a0	Tighten assumption when comparing LocationRefs.	2017-12-12 12:54:16 +00:00
Chris Pressey	60df162625	Refactor: common method to backpatch labels.	2017-12-12 12:51:19 +00:00
Chris Pressey	8dc44673fa	LocationRefs are equal if names/type are; this needed __str__ tho.	2017-12-12 12:45:47 +00:00
Chris Pressey	de6c96fef8	Prep for developing version 0.10.	2017-12-12 12:27:29 +00:00
Chris Pressey	073a56e091	Rename .markdown -> .md to fix broken link, and for consistency.	2017-12-12 12:26:18 +00:00
Chris Pressey	53074bc224	Merge pull request #3 from catseye/develop-0.9 ... Develop 0.9	2017-12-12 11:14:51 +00:00
Chris Pressey	22c336dfe9	Prep for release of version 0.9.	2017-12-12 11:14:09 +00:00
Chris Pressey	5e8f41307d	Give the "game" a "title screen" of sorts; click to begin.	2017-12-12 10:58:59 +00:00
Chris Pressey	b3d2d0bfcf	Clearing up a little mystery I had here.	2017-12-12 10:10:58 +00:00
Chris Pressey	e46c6f6c6e	Improve error messaging yet more. Game kind of has game states now.	2017-12-12 09:59:43 +00:00
Chris Pressey	82e33ab476	Improve error messaging when constraints are exceeded.	2017-12-12 09:42:16 +00:00
Chris Pressey	ec2e051518	Constraint sets may only contain labels, which are resolved late.	2017-12-11 17:49:02 +00:00
Chris Pressey	2a71c7e247	Add failing test for a vector being able to name itself in outputs.	2017-12-11 16:57:18 +00:00
Chris Pressey	7323927f72	Add more notes and basically small cleanups in many places.	2017-12-11 15:21:40 +00:00
Chris Pressey	4f919c1d81	Slightly frustrating, but illuminating, attempt to title screen.	2017-12-11 14:40:30 +00:00
Chris Pressey	73810827b9	"repeat forever" in the main loop, or at least as close as we can.	2017-12-11 14:21:32 +00:00
Chris Pressey	85f9d6fc95	Some notes in the README.	2017-12-11 14:18:47 +00:00
Chris Pressey	b6ae45e0cb	Add a routine to clear the screen, in the demo game. Untested.	2017-12-11 14:09:55 +00:00
Chris Pressey	b395dbcfda	Spiff up the demo game source a little bit.	2017-12-11 14:01:57 +00:00
Chris Pressey	b4709268bc	Check in test appliance (dcc6502-adapter) that was missed.	2017-12-11 13:46:06 +00:00
Chris Pressey	2216fcec17	copy from word storage to word table and back, indexed by x or y.	2017-12-11 12:02:48 +00:00
Chris Pressey	b86e7491d5	Copy word to word table.	2017-12-11 11:43:53 +00:00
Chris Pressey	81aeb6c3f7	Use dcc6502 to disassemble code for comparison in unit tests.	2017-12-11 11:16:27 +00:00