88 Commits

Author	SHA1	Message	Date
Chris Pressey	49d07cee5f	Attempt to analyze goto. Looks like it'll need some rewriting.	2015-10-21 11:41:52 +01:00
Chris Pressey	6e0ca3838e	Recast Evaluator as an object. Handle goto inside it.	2015-10-20 14:39:32 +01:00
Chris Pressey	be76b9a00d	Syntax for goto.	2015-10-20 14:10:33 +01:00
Chris Pressey	16649042cb	I kind of forgot that indirect JSR needs a trampoline first :/	2015-10-20 13:15:21 +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	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	04de73d04d	Solve this by defining an Offset emittable.	2015-10-19 08:55:47 +01:00
Chris Pressey	645079f03a	Implement 'with interrupts off'.	2015-10-18 23:15:40 +01:00
Chris Pressey	8b30a232fa	Analyze copy, but... we now need more sophisticated context. :/	2015-10-18 20:16:14 +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	a9bd8a3714	Indexed access, + x / + y, at least for LDA and STA. ... --HG-- rename : eg/screen.60p => eg/screen1.60p	2015-10-18 18:32:20 +01:00
Chris Pressey	5a5953ca4c	A little awkward, but analyze byte table access correctly.	2015-10-18 18:12:47 +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	c5998ed240	Compile repeat loops.	2015-10-18 13:55:40 +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
Chris Pressey	b794d8d273	Get serialization of relative labels correct.	2015-10-17 18:11:23 +01:00
Chris Pressey	b6bb64528f	Implement compiling if, but we need relative addressing first.	2015-10-17 16:34:02 +01:00
Chris Pressey	479b484313	Compile the rest of the instructions.	2015-10-17 16:17:35 +01:00
Chris Pressey	e62fd85ccf	Compile access of defined memory locations.	2015-10-17 15:46:28 +01:00
Chris Pressey	a3160a5166	Call defined routines.	2015-10-17 15:23:00 +01:00
Chris Pressey	643a48a2c5	Compiler object, labels, compile 'call'... It prints 'A'!	2015-10-17 15:06:50 +01:00
Chris Pressey	2ffff3bbdb	Make extern routines survive analysis.	2015-10-17 14:54:28 +01:00
Chris Pressey	49d90dfae0	Add syntax for extern routines, add syntax tests.	2015-10-17 13:50:21 +01:00
Chris Pressey	d0e3dfbf84	Add tests for compilation, BASIC header, load-n-go script.	2015-10-17 12:28:39 +01:00
Chris Pressey	22c58ba556	Improve evaluator internals. Finish test suite for analysis.	2015-10-16 19:32:18 +01:00
Chris Pressey	4d61f439bc	Fix up spec, split off to 6502 opcodes doc, add some tests.	2015-10-16 19:15:01 +01:00
Chris Pressey	c3a0659058	Write sufficient tests (I think) for analysis of ifs.	2015-10-16 14:01:45 +01:00
Chris Pressey	6192a6a7f8	Add specific error for uninit outputs. Sketch if analysis.	2015-10-16 09:38:38 +01:00
Chris Pressey	f92056d640	REBOOT the entire language & implementation as version 0.2-PRE.	2015-10-16 09:30:24 +01:00