24 Commits

Author	SHA1	Message	Date
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