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 |
|
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 |
|
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 |
|