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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bbd3a84c00
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Retain silly 'name inside the type' syntax (a la C) for now.
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2018-02-05 11:18:35 +00:00 |
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Chris Pressey
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a082aee001
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NOt 100% sure it's correct, but it seems close.
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2018-02-02 17:56:50 +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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eb1974eb8a
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Vector tables can be parsed.
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2018-02-02 17:18:25 +00:00 |
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Chris Pressey
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b29716fccf
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Constraints for vector come immediately after the type expression.
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2018-02-02 17:16:31 +00:00 |
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Chris Pressey
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548905dce4
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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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f9dc730f88
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copy []+y, a to indirectly read byte into the a register.
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2017-12-13 16:11:02 +00:00 |
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Chris Pressey
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c7861d375c
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trash indicates a value is no longer considered meaningful.
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2017-12-13 15:23:06 +00:00 |
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Chris Pressey
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5f535c963e
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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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f87bcf5ee4
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Initial work on initialized byte tables.
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2017-12-12 16:41:49 +00:00 |
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Chris Pressey
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50390b0787
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Can copy a literal word to a word table.
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2017-12-12 16:04:59 +00:00 |
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Chris Pressey
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63f75a26b4
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Initialized word type memory locations.
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2017-12-12 15:34:51 +00:00 |
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Chris Pressey
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4854077cce
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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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3417fd96c7
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Apparently this hack was only needed previously due to a bug?
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2017-12-12 14:55:57 +00:00 |
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Chris Pressey
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0194d37bbd
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forward modifier on location expression, instead of assign.
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2017-12-12 14:23:34 +00:00 |
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Chris Pressey
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b7b28830d7
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Introducing a new pseudo-opcode is rarely an elegant solution.
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2017-12-12 14:09:17 +00:00 |
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Chris Pressey
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19dd089a03
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Allow call and goto routines defined further down in the source.
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2017-12-12 13:17:00 +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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b3d2d0bfcf
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Clearing up a little mystery I had here.
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2017-12-12 10:10:58 +00:00 |
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Chris Pressey
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ec2e051518
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Constraint sets may only contain labels, which are resolved late.
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2017-12-11 17:49:02 +00:00 |
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Chris Pressey
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2a71c7e247
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Add failing test for a vector being able to name itself in outputs.
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2017-12-11 16:57:18 +00:00 |
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Chris Pressey
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b4709268bc
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Check in test appliance (dcc6502-adapter) that was missed.
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2017-12-11 13:46:06 +00:00 |
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Chris Pressey
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2216fcec17
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copy from word storage to word table and back, indexed by x or y.
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2017-12-11 12:02:48 +00:00 |
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Chris Pressey
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b86e7491d5
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Copy word to word table.
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2017-12-11 11:43:53 +00:00 |
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Chris Pressey
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81aeb6c3f7
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Use dcc6502 to disassemble code for comparison in unit tests.
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2017-12-11 11:16:27 +00:00 |
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Chris Pressey
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404f8c72a3
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We really need to review how storage location labels are emitted.
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2017-12-08 16:59:31 +00:00 |
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Chris Pressey
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84ca6c4e96
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Break the ground where we need to implement word table read/write.
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2017-12-08 15:53:18 +00:00 |
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Chris Pressey
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689ed37f2e
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Beginnings of implementing word tables. One test still fails.
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2017-12-08 13:41:48 +00:00 |
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Chris Pressey
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ad8e0647a4
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Use right endianness when copying literal word into storage.
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2017-12-07 16:49:43 +00:00 |
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Chris Pressey
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75cf18d3a2
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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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a4fd0e590b
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Adding a word memory location to another word memory location.
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2017-12-07 13:15:21 +00:00 |
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Chris Pressey
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92525fd482
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Adding a constant word to a memory location.
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2017-12-07 12:48:56 +00:00 |
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Chris Pressey
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cf679b293a
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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
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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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6afbf581f7
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Deal with the inputs/outputs of buffers, in a weak way.
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2017-12-01 15:10:16 +00:00 |
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Chris Pressey
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d84566a880
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Write stored values, and read values, through pointers.
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2017-12-01 13:52:56 +00:00 |
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Chris Pressey
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32389e4422
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Require that the program does ^buf to get at the address of buf.
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2017-12-01 12:36:58 +00:00 |
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Chris Pressey
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19a196f765
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Compile copy[]+y.
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2017-11-24 16:56:55 +00:00 |
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Chris Pressey
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c8c69a2a7d
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Fix problem with test case, and with serializing as zero page.
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2017-11-24 13:42:14 +00:00 |
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Chris Pressey
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e41dd1aa01
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Attempt to add Zero Page addressing; the emitter may need rethink.
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2017-11-24 13:09:10 +00:00 |
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Chris Pressey
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c91574186b
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First pass of buffer, pointer, copy b, [p] + y, indirect indexed.
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2017-11-24 12:35:36 +00:00 |
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Chris Pressey
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42438dd97f
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Beginning of: buffers and pointers.
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2017-11-24 11:30:20 +00:00 |
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Chris Pressey
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c33e6ef0e9
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Assert that the loop variable is meaningful in repeat. Unit test.
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2017-11-20 16:39:39 +00:00 |
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Chris Pressey
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b2b2582e0f
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Add some tests for copying literal words to word memory locations.
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2017-11-20 15:53:34 +00:00 |
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Chris Pressey
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feb5729ab9
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Minor changes to docs.
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2017-11-20 14:10:43 +00:00 |
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Chris Pressey
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563aaeba47
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Remove low/high byte operators until I've thought about it more.
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2017-11-17 15:54:50 +00:00 |
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Chris Pressey
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9d6ca0b2b4
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Low and high address operators, parsing and execution thereof.
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2016-06-16 11:10:43 -05:00 |
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Chris Pressey
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e2daa33dc5
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Compile copy byte to byte and word to word.
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2016-06-16 11:10:03 -05:00 |
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Chris Pressey
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fc8c85e670
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word types, with syntax and analysis thereof
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2016-06-16 11:08:57 -05:00 |
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Chris Pressey
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7b1ee60a73
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Initial value for locations: changed syntax, executes, compiles.
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2016-06-16 11:03:31 -05:00 |
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Chris Pressey
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6cf8b5fe1e
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Spec and tests for initial values of locations.
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2016-06-16 11:02:13 -05:00 |
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Chris Pressey
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b5763e84b4
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Constants (such as routines) cannot be given in call-constraints.
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2015-10-22 20:01:02 +01:00 |
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Chris Pressey
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33d72c0692
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Fix tests.
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2015-10-22 17:21:01 +01:00 |
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Chris Pressey
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cb2bda6afd
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Fix my own confusion, and with it, the unit test.
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2015-10-22 09:54:11 +01:00 |
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Chris Pressey
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0361016e4c
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Bring the rest of the tests up to date with the new names.
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2015-10-22 09:48:26 +01:00 |
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Chris Pressey
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cc433e9c64
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Try to improve error messages, thus breaking many unit tests.
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2015-10-21 19:43:44 +01:00 |
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Chris Pressey
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45310b8f9c
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It's getting a little chaotic. Needs better error messages!
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2015-10-21 17:05:49 +01:00 |
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Chris Pressey
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16450e06d5
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Compile goto's.
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2015-10-21 15:51:52 +01:00 |
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Chris Pressey
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bb6ad5d3cf
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Refactor Analyzer. Get analysis tests passing once again.
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2015-10-21 15:45:14 +01:00 |
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Chris Pressey
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49d07cee5f
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Attempt to analyze goto. Looks like it'll need some rewriting.
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2015-10-21 11:41:52 +01:00 |
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Chris Pressey
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6e0ca3838e
|
Recast Evaluator as an object. Handle goto inside it.
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2015-10-20 14:39:32 +01:00 |
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Chris Pressey
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be76b9a00d
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Syntax for goto.
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2015-10-20 14:10:33 +01:00 |
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Chris Pressey
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16649042cb
|
I kind of forgot that indirect JSR needs a trampoline first :/
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2015-10-20 13:15:21 +01:00 |
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Chris Pressey
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2dc4dd988e
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Parse indirect calls, but break evaluator.
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2015-10-20 09:33:30 +01:00 |
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Chris Pressey
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7d56705530
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Check that the constraints on a routine match those of vector.
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2015-10-19 19:17:27 +01:00 |
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Chris Pressey
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f0b8942aa1
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Allow vectors to be decorated with inputs/outputs/trashes; test.
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2015-10-19 13:04:08 +01:00 |
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Chris Pressey
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a12a44eadb
|
Re-enable disabled test and fix it and add a few related tests.
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2015-10-19 12:22:44 +01:00 |
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Chris Pressey
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04de73d04d
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Solve this by defining an Offset emittable.
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2015-10-19 08:55:47 +01:00 |
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Chris Pressey
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645079f03a
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Implement 'with interrupts off'.
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2015-10-18 23:15:40 +01:00 |
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Chris Pressey
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8b30a232fa
|
Analyze copy, but... we now need more sophisticated context. :/
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2015-10-18 20:16:14 +01:00 |
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Chris Pressey
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c98e446583
|
Spec and syntax for vectors and copy instruction.
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2015-10-18 19:41:26 +01:00 |
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Chris Pressey
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9235c6eacc
|
Support line comments.
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2015-10-18 18:54:28 +01:00 |
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Chris Pressey
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a933c81768
|
Well, that's a hack. But it works.
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2015-10-18 18:47:47 +01:00 |
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Chris Pressey
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a9bd8a3714
|
Indexed access, + x / + y, at least for LDA and STA.
--HG--
rename : eg/screen.60p => eg/screen1.60p
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2015-10-18 18:32:20 +01:00 |
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Chris Pressey
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5a5953ca4c
|
A little awkward, but analyze byte table access correctly.
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2015-10-18 18:12:47 +01:00 |
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Chris Pressey
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4287bf81c1
|
Parse byte table declarations and indexing modifiers.
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2015-10-18 17:40:53 +01:00 |
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Chris Pressey
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41432b5cb3
|
Syntax is syntax, test it there. Register built-ins as symbols.
|
2015-10-18 17:32:12 +01:00 |
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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.
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2015-10-18 15:32:28 +01:00 |
|
Chris Pressey
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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 |
|