91 Commits

Author	SHA1	Message	Date
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	3f0e36a67c	Add symbolic constants.	2018-03-27 12:36:33 +01:00
Chris Pressey	68b46c7be7	Small edits to history.	2018-03-26 14:44:54 +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	ed917566ea	We have a for loop now.	2018-03-14 16:45:35 +00:00
Chris Pressey	7a3b52dc1e	More correct determination of tail position for purposes of goto.	2018-03-13 17:00:49 +00:00
Chris Pressey	b1e9df0d45	Add --output-format and --origin command-line options.	2018-03-13 13:33:01 +00:00
Chris Pressey	2b9c457ffc	Try to improve the description in the documentation, and notes.	2018-03-08 13:24:00 +00:00
Chris Pressey	8298ad38f9	Expand on what the range-checking includes in this version.	2018-03-06 16:04:02 +00:00
Chris Pressey	7023fb9c1d	Update notes.	2018-03-06 14:15:53 +00:00
Chris Pressey	e2d10d7d33	Documentation/notes changes for the 0.13 branch.	2018-02-16 09:51:24 +00:00
Chris Pressey	6039e59999	Small documentation sorting.	2018-02-12 16:40:53 +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	1bd765dbce	Begin using static in the demo game.	2018-02-09 16:46:53 +00:00
Chris Pressey	ca1c877a60	Support indirect refs in st, e.g. st a, [ptr] + y.	2018-02-09 11:23:18 +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	b20b664748	Implement the "union rule for trashes" when analyzing if blocks.	2018-02-08 14:04:51 +00:00
Chris Pressey	3f1f3bf16e	Set a location as touched when trashed with a trash instruction.	2018-02-08 13:43:06 +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	15e1fa51dc	Update documentation.	2018-02-07 14:48:55 +00:00
Chris Pressey	6c1c1cb153	Include final RTS when emitting trampolines for indirect calls.	2018-02-07 11:11:14 +00:00
Chris Pressey	02d703aaf1	Add typedefs to HISTORY.	2018-02-06 13:08:17 +00:00
Chris Pressey	15072eff52	The evaluator doesn't add much and keeps falling behind; remove it.	2018-02-05 13:17:23 +00:00
Chris Pressey	20c824743e	Fix table access bug where index wasn't required to be initialized.	2018-02-05 12:35:19 +00:00
Chris Pressey	7dba93ae88	Add to HISTORY	2018-02-02 17:57:57 +00:00
Chris Pressey	b29716fccf	Constraints for vector come immediately after the type expression.	2018-02-02 17:16:31 +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	f9dc730f88	copy []+y, a to indirectly read byte into the a register.	2017-12-13 16:11:02 +00:00
Chris Pressey	c7861d375c	trash indicates a value is no longer considered meaningful.	2017-12-13 15:23:06 +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	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	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	19dd089a03	Allow call and goto routines defined further down in the source.	2017-12-12 13:17:00 +00:00
Chris Pressey	073a56e091	Rename .markdown -> .md to fix broken link, and for consistency.	2017-12-12 12:26:18 +00:00