126 Commits

Author	SHA1	Message	Date
Chris Pressey	1f992f8dbd	Support of NOP opcode.	2018-03-28 14:52:16 +01:00
Chris Pressey	0093c7b7d9	First cut at support for targetting the Atari 2600.	2018-03-28 14:20:53 +01:00
Chris Pressey	c707105cd3	Describe the behaviour just implemented.	2018-03-27 16:49:20 +01:00
Chris Pressey	6744ad29a9	Beginnings of modularity.	2018-03-27 16:23:22 +01:00
Chris Pressey	877f55b6cd	VIC-20 example and rewrite docs.	2018-03-26 13:43:33 +01:00
Chris Pressey	766de6a455	Reformat READMEs.	2018-03-26 13:33:07 +01:00
Chris Pressey	a8a53e2ca9	Save a few bytes in the demo game by using a for loop.	2018-03-26 13:23:36 +01:00
Chris Pressey	7f38d04536	Documentation updates.	2018-03-26 13:16:53 +01:00
Chris Pressey	42864bf125	Add SixtyPical translations of Ribos and "The PETulant Cursor".	2018-03-15 10:56:09 +00:00
Chris Pressey	689670a69e	Small bugfixes and changes.	2018-03-13 09:25:06 +00:00
Chris Pressey	af09bd8875	Add screenshot.	2018-03-08 13:36:30 +00:00
Chris Pressey	95fb2bb8f6	Make loadngo.sh able to handle both C64 (x64) and VIC-20 (xvic).	2018-03-07 13:27:57 +00:00
Chris Pressey	1d1612761b	Make the demo game compilable again.	2018-03-06 15:52:21 +00:00
Chris Pressey	e44c802314	Syntax errors have line numbers in them now.	2018-03-06 12:23:57 +00:00
Chris Pressey	2fdba72959	Re-organize the example programs.	2018-03-06 10:32:52 +00:00
Chris Pressey	f6fa1ec7d2	Remove need for forward keyword in forward reference in copy.	2018-02-12 15:59:20 +00:00
Chris Pressey	08ec0e46a3	Remove the need for parens in vector (routine ...) table type.	2018-02-12 14:53:49 +00:00
Chris Pressey	79d7c8d198	button_down is local to check_button.	2018-02-09 16:59:01 +00:00
Chris Pressey	e9d9c717bb	More statics in demo game.	2018-02-09 16:57:49 +00:00
Chris Pressey	1bd765dbce	Begin using static in the demo game.	2018-02-09 16:46:53 +00:00
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