56 Commits

Author	SHA1	Message	Date
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	70ecd52e8a	Retain some syntax compatibility: make table a postfix operator.	2018-02-06 11:34:21 +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	a082aee001	NOt 100% sure it's correct, but it seems close.	2018-02-02 17:56:50 +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	f9dc730f88	copy []+y, a to indirectly read byte into the a register.	2017-12-13 16:11:02 +00:00
Chris Pressey	c7861d375c	trash indicates a value is no longer considered meaningful.	2017-12-13 15:23:06 +00:00
Chris Pressey	5f535c963e	Subtract word (constant or memory location) from word memory location.	2017-12-13 14:07:59 +00:00
Chris Pressey	f87bcf5ee4	Initial work on initialized byte tables.	2017-12-12 16:41:49 +00:00
Chris Pressey	50390b0787	Can copy a literal word to a word table.	2017-12-12 16:04:59 +00:00
Chris Pressey	63f75a26b4	Initialized word type memory locations.	2017-12-12 15:34:51 +00:00
Chris Pressey	4854077cce	Correctly analyze repeat { ... } forever loops.	2017-12-12 15:18:59 +00:00
Chris Pressey	b4709268bc	Check in test appliance (dcc6502-adapter) that was missed.	2017-12-11 13:46:06 +00:00
Chris Pressey	2216fcec17	copy from word storage to word table and back, indexed by x or y.	2017-12-11 12:02:48 +00:00
Chris Pressey	b86e7491d5	Copy word to word table.	2017-12-11 11:43:53 +00:00
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	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	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	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	e2daa33dc5	Compile copy byte to byte and word to word.	2016-06-16 11:10:03 -05:00
Chris Pressey	7b1ee60a73	Initial value for locations: changed syntax, executes, compiles.	2016-06-16 11:03:31 -05:00
Chris Pressey	33d72c0692	Fix tests.	2015-10-22 17:21:01 +01:00
Chris Pressey	16450e06d5	Compile goto's.	2015-10-21 15:51:52 +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	04de73d04d	Solve this by defining an Offset emittable.	2015-10-19 08:55:47 +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	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	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