153 Commits

Author	SHA1	Message	Date
Chris Pressey	50433ac860	Find cycles in fallthru map. Try to break them; not right, yet.	2018-04-04 13:37:32 +01:00
Chris Pressey	d883816298	--optimize-fallthru and --dump-fallthru-info options.	2018-04-04 11:54:50 +01:00
Chris Pressey	2be4406964	Flesh out and describe the fallthru optimization algorithm.	2018-04-04 10:15:06 +01:00
Chris Pressey	8f1e35fb39	Add some tests, some failing, for expected fallthru maps.	2018-03-29 16:44:06 +01:00
Chris Pressey	fa1b0cfae1	Support branching and looping on the n flag.	2018-03-29 14:45:28 +01:00
Chris Pressey	b9fb26320c	Add some failing tests for looping on the n flag.	2018-03-29 13:33:06 +01:00
Chris Pressey	ebe53f540c	Fix bug when zero page address was $00.	2018-03-29 11:46:56 +01:00
Chris Pressey	eadf1eb4ae	A byte or word table can be initialized with a list of constants.	2018-03-29 11:09:02 +01:00
Chris Pressey	2f513f7291	Initial support for initializing byte tables with list of bytes.	2018-03-29 10:45:18 +01:00
Chris Pressey	9b912de17c	Accessing zero-page with ld and st generates zero-page opcodes.	2018-03-29 10:31:42 +01:00
Chris Pressey	1f992f8dbd	Support of NOP opcode.	2018-03-28 14:52:16 +01:00
Chris Pressey	3f0e36a67c	Add symbolic constants.	2018-03-27 12:36:33 +01:00
Chris Pressey	b91c3ed2f1	Add three more tests. Ensure they pass.	2018-03-26 17:40:43 +01:00
Chris Pressey	ceaae962d5	Make tests pass. Add two more tests towards completeness of spec.	2018-03-26 12:48:57 +01:00
Chris Pressey	d88757c32b	Rudimentarily document for; add failing test cases for it.	2018-03-23 17:13:46 +00:00
Chris Pressey	adb53f7a04	Almost compile for loops correctly.	2018-03-14 15:33:11 +00:00
Chris Pressey	b79059faa4	Two seperate words looks better.	2018-03-14 09:51:24 +00:00
Chris Pressey	b073fe54a0	Tests for the downto variant too.	2018-03-13 17:49:48 +00:00
Chris Pressey	7a3b52dc1e	More correct determination of tail position for purposes of goto.	2018-03-13 17:00:49 +00:00
Chris Pressey	5f62de11c2	Add failing test for multiple gotos that are all in tail position.	2018-03-13 13:33:30 +00:00
Chris Pressey	f73a2313bd	Add some failing tests for analyzing "for".	2018-03-08 17:17:49 +00:00
Chris Pressey	d815e05e0c	Syntax for "open-faced for loop".	2018-03-08 16:54:12 +00:00
Chris Pressey	72efecbb1a	Support different preludes for different archs (c64 and vic20 now.)	2018-03-06 17:00:39 +00:00
Chris Pressey	bda0202dee	Confirm that AND clips the range and INC/DEC invalidate it.	2018-03-06 15:42:12 +00:00
Chris Pressey	1eaec602e3	The exception object now contains an AST node, renders name.	2018-03-06 14:39:47 +00:00
Chris Pressey	e44c802314	Syntax errors have line numbers in them now.	2018-03-06 12:23:57 +00:00
Chris Pressey	d24e9fa2e1	I can no longer see a reason to require that it is a power of two.	2018-03-05 10:38:20 +00:00
Chris Pressey	15fa4889e7	Add some more tests (failing currently).	2018-02-16 12:28:11 +00:00
Chris Pressey	0687da80d5	Some headway on context.assert_in_range().	2018-02-14 15:54:57 +00:00
Chris Pressey	93e2dada16	Check for table size (in parser, thus tests are for syntax.)	2018-02-14 13:53:22 +00:00
Chris Pressey	aa5b06980c	Add some initial failing tests.	2018-02-14 13:41:48 +00:00
Chris Pressey	f6fa1ec7d2	Remove need for forward keyword in forward reference in copy.	2018-02-12 15:59:20 +00:00
Chris Pressey	08ec0e46a3	Remove the need for parens in vector (routine ...) table type.	2018-02-12 14:53:49 +00:00
Chris Pressey	7a024f3062	Compile static storage location access.	2018-02-09 16:13:09 +00:00
Chris Pressey	71cded0297	Move compiler towards being able to compile access to statics.	2018-02-09 14:13:39 +00:00
Chris Pressey	55331e9c54	Statics are always writeable. Statics are always meaningful.	2018-02-09 13:35:59 +00:00
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	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	f4befb45d3	Add more tests, which show inconsistent treatment of trashes.	2018-02-08 13:34:03 +00:00
Chris Pressey	cde2824c44	Articulate the "union rule" for trashes in if, add failing tests.	2018-02-08 12:46:28 +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	34daad0e56	Make ld parse to a IndexedRef or IndirectRef (latter still todo.)	2018-02-08 11:04:11 +00:00
Chris Pressey	7c8f113c07	Properly store address (not contents) of routine into vector table.	2018-02-07 13:56:17 +00:00
Chris Pressey	6c1c1cb153	Include final RTS when emitting trampolines for indirect calls.	2018-02-07 11:11:14 +00:00
Chris Pressey	b4f5d60ad3	I think it should actually look like this!	2018-02-06 17:00:04 +00:00
Chris Pressey	ed1ed3eb5d	Always analyze before compiling.	2018-02-06 16:14:44 +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