236 Commits

Author	SHA1	Message	Date
Chris Pressey	fd07f4bae9	More sophisticated static analysis: writeable, touched, meaningful.	2015-10-18 22:27:51 +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	f4186c5f22	AbsoluteX, AbsoluteY addressing modes in 6502-code generator.	2015-10-18 17:47:45 +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	a5c3b4725d	Pass address when serializing. Still wrong, of course.	2015-10-17 16:51:35 +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	5b429adfd9	6502 opcodes are Emittables. Can compile simple programs now!	2015-10-17 11:08:25 +01:00
Chris Pressey	c0243ee6ba	Wire up the compiler and wring out obvious bugs.	2015-10-17 10:17:44 +01:00
Chris Pressey	ba55065060	Sketch the compiler.	2015-10-16 23:12:52 +01:00
Chris Pressey	bb7fbcda6c	Add Emitter framework, and 6502 Generator (will likely change.)	2015-10-16 22:59:35 +01:00
Chris Pressey	22c58ba556	Improve evaluator internals. Finish test suite for analysis.	2015-10-16 19:32:18 +01:00
Chris Pressey	c3a0659058	Write sufficient tests (I think) for analysis of ifs.	2015-10-16 14:01:45 +01:00
Chris Pressey	d22edc52a9	Allow if analysis to pass (needs more tests.) Better styling.	2015-10-16 13:06:18 +01:00
Chris Pressey	9c201ccf07	Fix links in README. Implement Context.clone().	2015-10-16 10:54:12 +01:00
Chris Pressey	dd4c50fc50	Refactor to replace some sketchy code with code actually in use. ... --HG-- rename : src/sixtypical/objects.py => src/sixtypical/model.py	2015-10-16 10:40:38 +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