Chris Pressey
|
30e839033c
|
First cut at serialization of fallthru-optimized routines.
|
2018-04-04 15:09:48 +01:00 |
|
Chris Pressey
|
e39dbf68ed
|
Call it fall_in_map.
|
2018-04-04 14:16:49 +01:00 |
|
Chris Pressey
|
448849ac4b
|
Successfully break cycle.
|
2018-04-04 14:01:17 +01:00 |
|
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
|
a0d3ea8167
|
Add a dedicated module for a dedicated FallthruAnalyzer.
|
2018-04-04 11:09:39 +01:00 |
|
Chris Pressey
|
237a8b5b39
|
Lessen dependence on the internals of ParsingContext.
|
2018-03-29 17:31:14 +01:00 |
|
Chris Pressey
|
a759f4414b
|
Make tests pass again.
|
2018-03-29 16:50:07 +01:00 |
|
Chris Pressey
|
8f1e35fb39
|
Add some tests, some failing, for expected fallthru maps.
|
2018-03-29 16:44:06 +01:00 |
|
Chris Pressey
|
b33998cddc
|
First cut at building fallthru map. Needs tests.
|
2018-03-29 15:07:44 +01:00 |
|
Chris Pressey
|
fa1b0cfae1
|
Support branching and looping on the n flag.
|
2018-03-29 14:45:28 +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
|
0093c7b7d9
|
First cut at support for targetting the Atari 2600.
|
2018-03-28 14:20:53 +01:00 |
|
Chris Pressey
|
bb0e7aa992
|
Track the gotos that we have encountered in a routine.
|
2018-03-27 17:27:09 +01:00 |
|
Chris Pressey
|
6744ad29a9
|
Beginnings of modularity.
|
2018-03-27 16:23:22 +01:00 |
|
Chris Pressey
|
d9e625db30
|
Clean up driver code, add filename to error messages.
|
2018-03-27 15:55:29 +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
|
96fbe03ce7
|
Make compilation tests pass.
|
2018-03-14 16:27:33 +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
|
9a9db83fc6
|
Analyze the range in the for loop. All unit tests pass again.
|
2018-03-13 17:44:44 +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
|
689670a69e
|
Small bugfixes and changes.
|
2018-03-13 09:25:06 +00:00 |
|
Chris Pressey
|
994449ecb0
|
Make the loop variable unwriteable in the body of the "for" loop.
|
2018-03-08 17:41:42 +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
|
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
|
42cbd73a20
|
Show line numbers in static analysis errors (clumsily.)
|
2018-03-06 13:13:18 +00:00 |
|
Chris Pressey
|
e44c802314
|
Syntax errors have line numbers in them now.
|
2018-03-06 12:23:57 +00:00 |
|
Chris Pressey
|
9ad34ed34f
|
Refine the AST classes even more.
|
2018-03-06 10:43:23 +00:00 |
|
Chris Pressey
|
8a7e3aaebb
|
Flatten more.
|
2018-03-05 15:32:08 +00:00 |
|
Chris Pressey
|
1180d2fe2a
|
Attempt to flatten the code for generating code for copy.
|
2018-03-05 15:22:47 +00:00 |
|
Chris Pressey
|
c194808e64
|
Label the various cases for compiling a copy instruction.
|
2018-03-05 13:23:09 +00:00 |
|
Chris Pressey
|
c85159a9c0
|
Start trying to clean up the code for compiling copy.
|
2018-03-05 12:34:24 +00:00 |
|
Chris Pressey
|
b579e8b2eb
|
Refs have indexes. Instructions do not.
|
2018-03-05 12:19:27 +00:00 |
|
Chris Pressey
|
0a83d90515
|
Tighten structure of AST more.
|
2018-03-05 12:13:15 +00:00 |
|
Chris Pressey
|
4b43ba734e
|
Make AST more structured (borrowed from ALPACA.)
|
2018-03-05 11:55:06 +00:00 |
|
Chris Pressey
|
b42aa8b051
|
Fix error message.
|
2018-03-05 11:28:08 +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
|
42c4bed36e
|
Make tests pass.
|
2018-02-16 15:46:55 +00:00 |
|
Chris Pressey
|
0e0a3d552a
|
Implement Context.copy_range(), ranges for constants. Progress!
|
2018-02-14 16:35:19 +00:00 |
|
Chris Pressey
|
0687da80d5
|
Some headway on context.assert_in_range().
|
2018-02-14 15:54:57 +00:00 |
|
Chris Pressey
|
2897a04718
|
Get and set top of range of a location. Make AND do this to A reg.
|
2018-02-14 15:13:35 +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
|
ab33331924
|
Associate a range with each meaningful storage location in context.
|
2018-02-14 13:31:03 +00:00 |
|
Chris Pressey
|
5fa8c69bd2
|
Don't fudge the name of IndexRefs; dig in to find the ref's name.
|
2018-02-13 17:17:27 +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
|
e9d9c717bb
|
More statics in demo game.
|
2018-02-09 16:57:49 +00:00 |
|
Chris Pressey
|
7a024f3062
|
Compile static storage location access.
|
2018-02-09 16:13:09 +00:00 |
|
Chris Pressey
|
52fb1dc6b9
|
Inch toward compiling statics.
|
2018-02-09 14:44:41 +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
|
a7365731ca
|
Even if we goto another routine, we can't trash an output.
|
2018-02-08 16:37:40 +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
|
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
|
ed1ed3eb5d
|
Always analyze before compiling.
|
2018-02-06 16:14:44 +00:00 |
|
Chris Pressey
|
43b3a088b0
|
Use a vector table in the demo game.
|
2018-02-06 15:03:59 +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
|
44ee8efbef
|
When backpatching constraints, don't strip ones we've already done.
|
2018-02-06 10:28:41 +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
|
c12a76e106
|
Make assertions more robust, in hopes of hunting down bugs.
|
2018-02-06 09:52:01 +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
|
11d6c08369
|
In fact the 'src' should never (I think?) be 'touched'.
|
2018-02-05 12:08:33 +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
|
13e6654088
|
Executable types are compatible with other executable types.
|
2018-02-02 17:48:57 +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
|
4abedc0442
|
Centralize helper, use it elsewhere.
|
2018-02-02 17:05:15 +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
|
d69766afbe
|
Marginally more informative error message.
|
2017-12-14 11:54:39 +00:00 |
|
Chris Pressey
|
1d8f1af964
|
Fix bug in copy []+y, a. "Hero" no longer leaves a trail.
|
2017-12-13 17:00:21 +00:00 |
|
Chris Pressey
|
b477c5e786
|
Don't trash a in copy if a is the dest of the copy, for now.
|
2017-12-13 16:18:36 +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
|
75cc1f6b25
|
Factor out utility method for selecting addressing mode.
|
2017-12-13 12:14:26 +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
|
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
|
dbbd99ffe5
|
Change how backpatching instructions is implemented.
|
2017-12-12 13:54:35 +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
|
45bc4bd0a0
|
Tighten assumption when comparing LocationRefs.
|
2017-12-12 12:54:16 +00:00 |
|
Chris Pressey
|
60df162625
|
Refactor: common method to backpatch labels.
|
2017-12-12 12:51:19 +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
|
e46c6f6c6e
|
Improve error messaging yet more. Game kind of has game states now.
|
2017-12-12 09:59:43 +00:00 |
|
Chris Pressey
|
82e33ab476
|
Improve error messaging when constraints are exceeded.
|
2017-12-12 09:42:16 +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
|
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
|
bef1aba8ce
|
Do not assume every label refers to a word-sized chunk of memory.
|
2017-12-11 10:42:42 +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
|
aa5e4119da
|
Copy indexed location to location. All tests pass again.
|
2017-12-08 15:07:15 +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
|
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
|
a95cbb0f47
|
Introduce IndirectRef and use it instead of adhoc 'copy[]+y' opcode.
|
2017-12-01 11:44:40 +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
|
22cc7bfc11
|
Support copy'ing a word constant to a word location. Joystick eg.
|
2017-11-20 15:18:21 +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
|
007c81acad
|
Split scanner off from parser module, into own module.
|
2016-06-16 11:04:03 -05:00 |
|
Chris Pressey
|
7b1ee60a73
|
Initial value for locations: changed syntax, executes, compiles.
|
2016-06-16 11:03:31 -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
|
0d3ac8c247
|
{Low,High}AddressByte emittables to fix copy, make indirect call!
|
2015-10-22 16:20:10 +01:00 |
|
Chris Pressey
|
0b2b5d904e
|
Implement indirect JSRs with trampolines in theory; doesn't work.
|
2015-10-22 15:45:16 +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 |
|