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Commit Graph

115 Commits

Author SHA1 Message Date
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
Chris Pressey
612ae588f7 Add some tests, fix some bugs, show that one bug remains. 2018-02-06 10:05:56 +00:00
Chris Pressey
74f8675761 Start of typedef support. 2018-02-05 18:12:48 +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
15072eff52 The evaluator doesn't add much and keeps falling behind; remove it. 2018-02-05 13:17:23 +00:00
Chris Pressey
20c824743e Fix table access bug where index wasn't required to be initialized. 2018-02-05 12:35:19 +00:00
Chris Pressey
7dfd2cfe0c Allow copying a routine directly into a vector table. 2018-02-05 12:04:28 +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
0fff8e4f0a Begin to implement vector tables, stuck at a type equality problem. 2018-02-02 17:45:07 +00:00
Chris Pressey
eb1974eb8a Vector tables can be parsed. 2018-02-02 17:18:25 +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
3417fd96c7 Apparently this hack was only needed previously due to a bug? 2017-12-12 14:55:57 +00:00
Chris Pressey
0194d37bbd forward modifier on location expression, instead of assign. 2017-12-12 14:23:34 +00:00
Chris Pressey
b7b28830d7 Introducing a new pseudo-opcode is rarely an elegant solution. 2017-12-12 14:09:17 +00:00
Chris Pressey
19dd089a03 Allow call and goto routines defined further down in the source. 2017-12-12 13:17:00 +00:00
Chris Pressey
8dc44673fa LocationRefs are equal if names/type are; this needed __str__ tho. 2017-12-12 12:45:47 +00:00
Chris Pressey
b3d2d0bfcf Clearing up a little mystery I had here. 2017-12-12 10:10:58 +00:00
Chris Pressey
ec2e051518 Constraint sets may only contain labels, which are resolved late. 2017-12-11 17:49:02 +00:00
Chris Pressey
2a71c7e247 Add failing test for a vector being able to name itself in outputs. 2017-12-11 16:57:18 +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
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