55 Commits

Author	SHA1	Message	Date
Chris Pressey	b829836cdc	Ability to parse static definitions and look them up.	2018-02-09 12:33:45 +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	34daad0e56	Make ld parse to a IndexedRef or IndirectRef (latter still todo.)	2018-02-08 11:04:11 +00:00
Chris Pressey	9778e083c1	Move test, add test, add assertion.	2018-02-06 11:52:50 +00:00
Chris Pressey	70ecd52e8a	Retain some syntax compatibility: make table a postfix operator.	2018-02-06 11:34:21 +00:00
Chris Pressey	612ae588f7	Add some tests, fix some bugs, show that one bug remains.	2018-02-06 10:05:56 +00:00
Chris Pressey	74f8675761	Start of typedef support.	2018-02-05 18:12:48 +00:00
Chris Pressey	0be721667a	Kind-of not-pretty syntax refactor to support adding typedefs.	2018-02-05 17:01:25 +00:00
Chris Pressey	bbd3a84c00	Retain silly 'name inside the type' syntax (a la C) for now.	2018-02-05 11:18:35 +00:00
Chris Pressey	eb1974eb8a	Vector tables can be parsed.	2018-02-02 17:18:25 +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	c7861d375c	trash indicates a value is no longer considered meaningful.	2017-12-13 15:23:06 +00:00
Chris Pressey	f87bcf5ee4	Initial work on initialized byte tables.	2017-12-12 16:41:49 +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	dbbd99ffe5	Change how backpatching instructions is implemented.	2017-12-12 13:54:35 +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	60df162625	Refactor: common method to backpatch labels.	2017-12-12 12:51:19 +00:00
Chris Pressey	ec2e051518	Constraint sets may only contain labels, which are resolved late.	2017-12-11 17:49:02 +00:00
Chris Pressey	689ed37f2e	Beginnings of implementing word tables. One test still fails.	2017-12-08 13:41:48 +00:00
Chris Pressey	32389e4422	Require that the program does ^buf to get at the address of buf.	2017-12-01 12:36:58 +00:00
Chris Pressey	a95cbb0f47	Introduce IndirectRef and use it instead of adhoc 'copy[]+y' opcode.	2017-12-01 11:44:40 +00:00
Chris Pressey	c91574186b	First pass of buffer, pointer, copy b, [p] + y, indirect indexed.	2017-11-24 12:35:36 +00:00
Chris Pressey	42438dd97f	Beginning of: buffers and pointers.	2017-11-24 11:30:20 +00:00
Chris Pressey	22cc7bfc11	Support copy'ing a word constant to a word location. Joystick eg.	2017-11-20 15:18:21 +00:00
Chris Pressey	563aaeba47	Remove low/high byte operators until I've thought about it more.	2017-11-17 15:54:50 +00:00
Chris Pressey	9d6ca0b2b4	Low and high address operators, parsing and execution thereof.	2016-06-16 11:10:43 -05:00
Chris Pressey	fc8c85e670	word types, with syntax and analysis thereof	2016-06-16 11:08:57 -05:00
Chris Pressey	007c81acad	Split scanner off from parser module, into own module.	2016-06-16 11:04:03 -05:00
Chris Pressey	7b1ee60a73	Initial value for locations: changed syntax, executes, compiles.	2016-06-16 11:03:31 -05:00
Chris Pressey	be76b9a00d	Syntax for goto.	2015-10-20 14:10:33 +01:00
Chris Pressey	b4e0756d7e	Unbreak evaluator, but break compiler b/c change in parser.	2015-10-20 10:07:28 +01:00
Chris Pressey	2dc4dd988e	Parse indirect calls, but break evaluator.	2015-10-20 09:33:30 +01:00
Chris Pressey	7d56705530	Check that the constraints on a routine match those of vector.	2015-10-19 19:17:27 +01:00
Chris Pressey	3010435add	Inputs/outputs/trashes are now part of the type information only.	2015-10-19 18:44:20 +01:00
Chris Pressey	98524e931a	Vector and routine types are constructors with constraints now.	2015-10-19 18:18:06 +01:00
Chris Pressey	f0b8942aa1	Allow vectors to be decorated with inputs/outputs/trashes; test.	2015-10-19 13:04:08 +01:00
Chris Pressey	a12a44eadb	Re-enable disabled test and fix it and add a few related tests.	2015-10-19 12:22:44 +01:00
Chris Pressey	645079f03a	Implement 'with interrupts off'.	2015-10-18 23:15:40 +01:00
Chris Pressey	c98e446583	Spec and syntax for vectors and copy instruction.	2015-10-18 19:41:26 +01:00
Chris Pressey	9235c6eacc	Support line comments.	2015-10-18 18:54:28 +01:00
Chris Pressey	a933c81768	Well, that's a hack. But it works.	2015-10-18 18:47:47 +01:00
Chris Pressey	4287bf81c1	Parse byte table declarations and indexing modifiers.	2015-10-18 17:40:53 +01:00
Chris Pressey	41432b5cb3	Syntax is syntax, test it there. Register built-ins as symbols.	2015-10-18 17:32:12 +01:00
Chris Pressey	e1cf162a5b	Refs have types.	2015-10-18 17:23:01 +01:00
Chris Pressey	522c771208	Add explicitly-addressed memory locations.	2015-10-18 16:22:36 +01:00
Chris Pressey	49e42af953	Implement if not and repeat forever.	2015-10-18 15:32:28 +01:00
Chris Pressey	f7eb0d48a8	Spec, parse, evaluate, and analyze repeat blocks.	2015-10-18 13:37:35 +01:00
Chris Pressey	070ffacf69	Don't generate code for empty else blocks.	2015-10-17 18:25:54 +01:00