106 Commits

Author	SHA1	Message	Date
Chris Pressey	a7365731ca	Even if we goto another routine, we can't trash an output.	2018-02-08 16:37:40 +00:00
Chris Pressey	105534de5b	Trim the type of game_state_routine, but run into something odd.	2018-02-08 16:03:22 +00:00
Chris Pressey	1116229867	Clean up example programs a little bit.	2018-02-08 15:05:37 +00:00
Chris Pressey	3bee722900	The "union rule" lets us clean up some of these redundant trashes.	2018-02-08 14:20:17 +00:00
Chris Pressey	f92e1f15bf	Tired: copy [ptr]+y, a. Wired: ld a, [ptr]+y.	2018-02-08 11:58:24 +00:00
Chris Pressey	6fc3ce27cc	Finally, vector table for actor logic in demo game works.	2018-02-07 13:58:10 +00:00
Chris Pressey	7c8f113c07	Properly store address (not contents) of routine into vector table.	2018-02-07 13:56:17 +00:00
Chris Pressey	1ee60095db	Fairly minimal example that exhibits the problem.	2018-02-07 13:43:41 +00:00
Chris Pressey	4099c9cc1b	Attempting to debug this vector table stuff.	2018-02-06 16:45:35 +00:00
Chris Pressey	43b3a088b0	Use a vector table in the demo game.	2018-02-06 15:03:59 +00:00
Chris Pressey	043872584b	Add another typedef in the demo game.	2018-02-06 11:41:32 +00:00
Chris Pressey	fa5f32b2d2	Update syntax of demo game.	2018-02-06 11:36:11 +00:00
Chris Pressey	f78460a37b	Finally, use typedefs in example game.	2018-02-06 10:41:21 +00:00
Chris Pressey	afd083052e	Update syntax in proto-game.	2018-02-05 18:14:44 +00:00
Chris Pressey	b7abdea733	Revert changes to example game.	2018-02-05 11:19:59 +00:00
Chris Pressey	169cc1b109	Bring proto-game up to date with new syntax.	2018-02-02 17:19:35 +00:00
Chris Pressey	548905dce4	Initialized byte tables need not have all 256 bytes initialized.	2018-02-02 16:31:23 +00:00
Chris Pressey	7a9b7d0719	Reverse delta of obstacles in a more conventional way upon bounce.	2018-01-08 12:10:59 +00:00
Chris Pressey	439b827e92	Almost make the bouncing obstacles happen. It's... interesting.	2017-12-14 12:05:44 +00:00
Chris Pressey	e2f61faeae	Fix bug in game.	2017-12-14 11:59:09 +00:00
Chris Pressey	be3591ae44	If player perishes, set a flag that game state will use to change.	2017-12-14 11:04:19 +00:00
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	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	42c7e3006d	Calculate new position instead of updating to it immediately.	2017-12-13 14:29:24 +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	4854077cce	Correctly analyze repeat { ... } forever loops.	2017-12-12 15:18:59 +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	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	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	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	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	84ca6c4e96	Break the ground where we need to implement word table read/write.	2017-12-08 15:53:18 +00:00
Chris Pressey	ad8e0647a4	Use right endianness when copying literal word into storage.	2017-12-07 16:49:43 +00:00
Chris Pressey	14494bcdbe	Add beginnings of thing which may one day become a game. Untested.	2017-12-07 16:14:02 +00:00
Chris Pressey	92525fd482	Adding a constant word to a memory location.	2017-12-07 12:48:56 +00:00