Chris Pressey
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bda0202dee
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Confirm that AND clips the range and INC/DEC invalidate it.
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2018-03-06 15:42:12 +00:00 |
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Chris Pressey
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1eaec602e3
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The exception object now contains an AST node, renders name.
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2018-03-06 14:39:47 +00:00 |
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Chris Pressey
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42cbd73a20
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Show line numbers in static analysis errors (clumsily.)
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2018-03-06 13:13:18 +00:00 |
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Chris Pressey
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9ad34ed34f
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Refine the AST classes even more.
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2018-03-06 10:43:23 +00:00 |
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Chris Pressey
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0a83d90515
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Tighten structure of AST more.
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2018-03-05 12:13:15 +00:00 |
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Chris Pressey
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42c4bed36e
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Make tests pass.
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2018-02-16 15:46:55 +00:00 |
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Chris Pressey
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0e0a3d552a
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Implement Context.copy_range(), ranges for constants. Progress!
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2018-02-14 16:35:19 +00:00 |
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Chris Pressey
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0687da80d5
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Some headway on context.assert_in_range().
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2018-02-14 15:54:57 +00:00 |
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Chris Pressey
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2897a04718
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Get and set top of range of a location. Make AND do this to A reg.
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2018-02-14 15:13:35 +00:00 |
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Chris Pressey
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ab33331924
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Associate a range with each meaningful storage location in context.
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2018-02-14 13:31:03 +00:00 |
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Chris Pressey
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e9d9c717bb
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More statics in demo game.
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2018-02-09 16:57:49 +00:00 |
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Chris Pressey
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55331e9c54
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Statics are always writeable. Statics are always meaningful.
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2018-02-09 13:35:59 +00:00 |
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Chris Pressey
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ca1c877a60
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Support indirect refs in st, e.g. st a, [ptr] + y.
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2018-02-09 11:23:18 +00:00 |
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Chris Pressey
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a7365731ca
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Even if we goto another routine, we can't trash an output.
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2018-02-08 16:37:40 +00:00 |
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Chris Pressey
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b20b664748
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Implement the "union rule for trashes" when analyzing if blocks.
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2018-02-08 14:04:51 +00:00 |
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Chris Pressey
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3f1f3bf16e
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Set a location as touched when trashed with a trash instruction.
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2018-02-08 13:43:06 +00:00 |
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Chris Pressey
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f92e1f15bf
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Tired: copy [ptr]+y, a. Wired: ld a, [ptr]+y.
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2018-02-08 11:58:24 +00:00 |
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Chris Pressey
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34daad0e56
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Make ld parse to a IndexedRef or IndirectRef (latter still todo.)
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2018-02-08 11:04:11 +00:00 |
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Chris Pressey
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ed1ed3eb5d
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Always analyze before compiling.
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2018-02-06 16:14:44 +00:00 |
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Chris Pressey
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43b3a088b0
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Use a vector table in the demo game.
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2018-02-06 15:03:59 +00:00 |
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Chris Pressey
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c12a76e106
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Make assertions more robust, in hopes of hunting down bugs.
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2018-02-06 09:52:01 +00:00 |
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Chris Pressey
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0be721667a
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Kind-of not-pretty syntax refactor to support adding typedefs.
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2018-02-05 17:01:25 +00:00 |
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Chris Pressey
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20c824743e
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Fix table access bug where index wasn't required to be initialized.
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2018-02-05 12:35:19 +00:00 |
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Chris Pressey
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11d6c08369
|
In fact the 'src' should never (I think?) be 'touched'.
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2018-02-05 12:08:33 +00:00 |
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Chris Pressey
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7dfd2cfe0c
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Allow copying a routine directly into a vector table.
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2018-02-05 12:04:28 +00:00 |
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Chris Pressey
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13e6654088
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Executable types are compatible with other executable types.
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2018-02-02 17:48:57 +00:00 |
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Chris Pressey
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0fff8e4f0a
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Begin to implement vector tables, stuck at a type equality problem.
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2018-02-02 17:45:07 +00:00 |
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Chris Pressey
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4abedc0442
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Centralize helper, use it elsewhere.
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2018-02-02 17:05:15 +00:00 |
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Chris Pressey
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548905dce4
|
Initialized byte tables need not have all 256 bytes initialized.
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2018-02-02 16:31:23 +00:00 |
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Chris Pressey
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d69766afbe
|
Marginally more informative error message.
|
2017-12-14 11:54:39 +00:00 |
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Chris Pressey
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1d8f1af964
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Fix bug in copy []+y, a. "Hero" no longer leaves a trail.
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2017-12-13 17:00:21 +00:00 |
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Chris Pressey
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b477c5e786
|
Don't trash a in copy if a is the dest of the copy, for now.
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2017-12-13 16:18:36 +00:00 |
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Chris Pressey
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c7861d375c
|
trash indicates a value is no longer considered meaningful.
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2017-12-13 15:23:06 +00:00 |
|
Chris Pressey
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5f535c963e
|
Subtract word (constant or memory location) from word memory location.
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2017-12-13 14:07:59 +00:00 |
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Chris Pressey
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50390b0787
|
Can copy a literal word to a word table.
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2017-12-12 16:04:59 +00:00 |
|
Chris Pressey
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4854077cce
|
Correctly analyze repeat { ... } forever loops.
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2017-12-12 15:18:59 +00:00 |
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Chris Pressey
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8dc44673fa
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LocationRefs are equal if names/type are; this needed __str__ tho.
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2017-12-12 12:45:47 +00:00 |
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Chris Pressey
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e46c6f6c6e
|
Improve error messaging yet more. Game kind of has game states now.
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2017-12-12 09:59:43 +00:00 |
|
Chris Pressey
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82e33ab476
|
Improve error messaging when constraints are exceeded.
|
2017-12-12 09:42:16 +00:00 |
|
Chris Pressey
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aa5e4119da
|
Copy indexed location to location. All tests pass again.
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2017-12-08 15:07:15 +00:00 |
|
Chris Pressey
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689ed37f2e
|
Beginnings of implementing word tables. One test still fails.
|
2017-12-08 13:41:48 +00:00 |
|
Chris Pressey
|
75cf18d3a2
|
Add word (constant or memory loc) to pointer (unchecked for now).
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2017-12-07 14:14:43 +00:00 |
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Chris Pressey
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cf679b293a
|
Ability to --debug analysis. Make 16-bit addition test pass.
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2017-12-07 11:49:15 +00:00 |
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Chris Pressey
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97d00637d2
|
Initial work on adding 16-bit constants to a 16-bit location.
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2017-12-07 11:31:46 +00:00 |
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Chris Pressey
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d84566a880
|
Write stored values, and read values, through pointers.
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2017-12-01 13:52:56 +00:00 |
|
Chris Pressey
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32389e4422
|
Require that the program does ^buf to get at the address of buf.
|
2017-12-01 12:36:58 +00:00 |
|
Chris Pressey
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a95cbb0f47
|
Introduce IndirectRef and use it instead of adhoc 'copy[]+y' opcode.
|
2017-12-01 11:44:40 +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
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c33e6ef0e9
|
Assert that the loop variable is meaningful in repeat. Unit test.
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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 |
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