147 Commits

Author	SHA1	Message	Date
Chris Pressey	94ee042a1e	Fix order of operands in word-sized cmp.	2018-11-27 13:12:55 +00:00
Chris Pressey	046e43cd66	Add another example. Even more convincing that the order is wrong.	2018-11-27 13:05:19 +00:00
Chris Pressey	2d767e9fe7	Add example program that suggests we've got the arguments backwards.	2018-11-23 23:11:06 +00:00
Chris Pressey	7680f09850	More conversion. I think that's the last of it.	2018-09-09 15:31:35 +01:00
Chris Pressey	7d32277e2c	More conversion.	2018-09-09 15:03:43 +01:00
Chris Pressey	5549b8379f	More conversion.	2018-09-09 14:01:38 +01:00
Chris Pressey	f81757fd76	Partial conversion of example programs.	2018-09-07 23:00:29 +01:00
Chris Pressey	505fcb7b92	game_state_routines pass through player_died; saves a few bytes.	2018-09-07 17:41:40 +01:00
Chris Pressey	443c3186c2	Change global instead of returning with carry set.	2018-09-07 17:38:56 +01:00
Chris Pressey	3c1564ea09	Abort loadngo apple2, if the SixtyPical program couldn't compile.	2018-09-06 12:50:47 +01:00
Chris Pressey	3e11d7122c	Add apple2 target to loadngo.sh, apple2 example program.	2018-09-05 15:20:44 +01:00
Chris Pressey	c3a1bdb4cc	Use save block (and a for loop) in the flagship demo game source.	2018-05-08 12:39:21 +01:00
Chris Pressey	2f200dc1ea	Use --output-format, not --prelude, in loadngo script.	2018-04-25 13:48:38 +01:00
Chris Pressey	350bab42d7	Rebuild Ribos 2.	2018-04-05 14:45:17 +01:00
Chris Pressey	cce278da28	Rebuild "The PETulant Cursor".	2018-04-05 14:36:38 +01:00
Chris Pressey	b63b880b8c	Update documentation.	2018-03-29 16:58:50 +01:00
Chris Pressey	fa1b0cfae1	Support branching and looping on the n flag.	2018-03-29 14:45:28 +01:00
Chris Pressey	b9fb26320c	Add some failing tests for looping on the n flag.	2018-03-29 13:33:06 +01:00
Chris Pressey	6e8dc97826	Fork the Atari 2600 Ophis example for easier comparing to 60p.	2018-03-29 12:11:38 +01:00
Chris Pressey	ebe53f540c	Fix bug when zero page address was $00.	2018-03-29 11:46:56 +01:00
Chris Pressey	9b912de17c	Accessing zero-page with ld and st generates zero-page opcodes.	2018-03-29 10:31:42 +01:00
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