223 Commits

Author	SHA1	Message	Date
Chris Pressey	81aeb6c3f7	Use dcc6502 to disassemble code for comparison in unit tests.	2017-12-11 11:16:27 +00:00
Chris Pressey	404f8c72a3	We really need to review how storage location labels are emitted.	2017-12-08 16:59:31 +00:00
Chris Pressey	84ca6c4e96	Break the ground where we need to implement word table read/write.	2017-12-08 15:53:18 +00:00
Chris Pressey	689ed37f2e	Beginnings of implementing word tables. One test still fails.	2017-12-08 13:41:48 +00:00
Chris Pressey	ad8e0647a4	Use right endianness when copying literal word into storage.	2017-12-07 16:49:43 +00:00
Chris Pressey	75cf18d3a2	Add word (constant or memory loc) to pointer (unchecked for now).	2017-12-07 14:14:43 +00:00
Chris Pressey	a4fd0e590b	Adding a word memory location to another word memory location.	2017-12-07 13:15:21 +00:00
Chris Pressey	92525fd482	Adding a constant word to a memory location.	2017-12-07 12:48:56 +00:00
Chris Pressey	cf679b293a	Ability to --debug analysis. Make 16-bit addition test pass.	2017-12-07 11:49:15 +00:00
Chris Pressey	97d00637d2	Initial work on adding 16-bit constants to a 16-bit location.	2017-12-07 11:31:46 +00:00
Chris Pressey	6afbf581f7	Deal with the inputs/outputs of buffers, in a weak way.	2017-12-01 15:10:16 +00:00
Chris Pressey	d84566a880	Write stored values, and read values, through pointers.	2017-12-01 13:52:56 +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	19a196f765	Compile copy[]+y.	2017-11-24 16:56:55 +00:00
Chris Pressey	c8c69a2a7d	Fix problem with test case, and with serializing as zero page.	2017-11-24 13:42:14 +00:00
Chris Pressey	e41dd1aa01	Attempt to add Zero Page addressing; the emitter may need rethink.	2017-11-24 13:09:10 +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	c33e6ef0e9	Assert that the loop variable is meaningful in repeat. Unit test.	2017-11-20 16:39:39 +00:00
Chris Pressey	b2b2582e0f	Add some tests for copying literal words to word memory locations.	2017-11-20 15:53:34 +00:00
Chris Pressey	feb5729ab9	Minor changes to docs.	2017-11-20 14:10:43 +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	e2daa33dc5	Compile copy byte to byte and word to word.	2016-06-16 11:10:03 -05:00
Chris Pressey	fc8c85e670	word types, with syntax and analysis thereof	2016-06-16 11:08:57 -05:00
Chris Pressey	7b1ee60a73	Initial value for locations: changed syntax, executes, compiles.	2016-06-16 11:03:31 -05:00
Chris Pressey	6cf8b5fe1e	Spec and tests for initial values of locations.	2016-06-16 11:02:13 -05:00
Chris Pressey	b5763e84b4	Constants (such as routines) cannot be given in call-constraints.	2015-10-22 20:01:02 +01:00
Chris Pressey	33d72c0692	Fix tests.	2015-10-22 17:21:01 +01:00
Chris Pressey	cb2bda6afd	Fix my own confusion, and with it, the unit test.	2015-10-22 09:54:11 +01:00
Chris Pressey	0361016e4c	Bring the rest of the tests up to date with the new names.	2015-10-22 09:48:26 +01:00
Chris Pressey	cc433e9c64	Try to improve error messages, thus breaking many unit tests.	2015-10-21 19:43:44 +01:00
Chris Pressey	45310b8f9c	It's getting a little chaotic. Needs better error messages!	2015-10-21 17:05:49 +01:00
Chris Pressey	16450e06d5	Compile goto's.	2015-10-21 15:51:52 +01:00
Chris Pressey	bb6ad5d3cf	Refactor Analyzer. Get analysis tests passing once again.	2015-10-21 15:45:14 +01:00
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