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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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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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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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
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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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d69766afbe
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Marginally more informative error message.
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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
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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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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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75cc1f6b25
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Factor out utility method for selecting addressing mode.
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2017-12-13 12:14:26 +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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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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dbbd99ffe5
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Change how backpatching instructions is implemented.
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2017-12-12 13:54:35 +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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45bc4bd0a0
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Tighten assumption when comparing LocationRefs.
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2017-12-12 12:54:16 +00:00 |
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Chris Pressey
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60df162625
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Refactor: common method to backpatch labels.
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2017-12-12 12:51:19 +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
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Improve error messaging yet more. Game kind of has game states now.
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2017-12-12 09:59:43 +00:00 |
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Chris Pressey
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82e33ab476
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Improve error messaging when constraints are exceeded.
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2017-12-12 09:42:16 +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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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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bef1aba8ce
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Do not assume every label refers to a word-sized chunk of memory.
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2017-12-11 10:42:42 +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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aa5e4119da
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Copy indexed location to location. All tests pass again.
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2017-12-08 15:07:15 +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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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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a95cbb0f47
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Introduce IndirectRef and use it instead of adhoc 'copy[]+y' opcode.
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2017-12-01 11:44:40 +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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