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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42c7e3006d
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Calculate new position instead of updating to it immediately.
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2017-12-13 14:29:24 +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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1478db0fb4
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Use word tables, in game, to store the actors' positions and deltas.
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2017-12-13 13:14:10 +00:00 |
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Chris Pressey
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d9c9dab9e7
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Clear the screen when starting the game.
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2017-12-13 12:32:24 +00:00 |
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Chris Pressey
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9c7082db6e
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Display message on-screen at start of game.
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2017-12-13 12:24:11 +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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0145c6d34f
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I guess we can note that, even though not 100% sure why it was.
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2017-12-12 14:59:20 +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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7d11273c6c
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Slightly less of a hack. Not very much. But more illustrative.
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2017-12-12 14:40:32 +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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de6c96fef8
|
Prep for developing version 0.10.
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2017-12-12 12:27:29 +00:00 |
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Chris Pressey
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073a56e091
|
Rename .markdown -> .md to fix broken link, and for consistency.
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2017-12-12 12:26:18 +00:00 |
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Chris Pressey
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53074bc224
|
Merge pull request #3 from catseye/develop-0.9
Develop 0.9
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2017-12-12 11:14:51 +00:00 |
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Chris Pressey
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22c336dfe9
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Prep for release of version 0.9.
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2017-12-12 11:14:09 +00:00 |
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Chris Pressey
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5e8f41307d
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Give the "game" a "title screen" of sorts; click to begin.
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2017-12-12 10:58:59 +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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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
|
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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7323927f72
|
Add more notes and basically small cleanups in many places.
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2017-12-11 15:21:40 +00:00 |
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Chris Pressey
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4f919c1d81
|
Slightly frustrating, but illuminating, attempt to title screen.
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2017-12-11 14:40:30 +00:00 |
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Chris Pressey
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73810827b9
|
"repeat forever" in the main loop, or at least as close as we can.
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2017-12-11 14:21:32 +00:00 |
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Chris Pressey
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85f9d6fc95
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Some notes in the README.
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2017-12-11 14:18:47 +00:00 |
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Chris Pressey
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b6ae45e0cb
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Add a routine to clear the screen, in the demo game. Untested.
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2017-12-11 14:09:55 +00:00 |
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Chris Pressey
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b395dbcfda
|
Spiff up the demo game source a little bit.
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2017-12-11 14:01:57 +00:00 |
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Chris Pressey
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b4709268bc
|
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
|
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 |
|
Chris Pressey
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b86e7491d5
|
Copy word to word table.
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2017-12-11 11:43:53 +00:00 |
|
Chris Pressey
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81aeb6c3f7
|
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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bef1aba8ce
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Do not assume every label refers to a word-sized chunk of memory.
|
2017-12-11 10:42:42 +00:00 |
|
Chris Pressey
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404f8c72a3
|
We really need to review how storage location labels are emitted.
|
2017-12-08 16:59:31 +00:00 |
|
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
|
Beginnings of implementing word tables. One test still fails.
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2017-12-08 13:41:48 +00:00 |
|
Chris Pressey
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ad8e0647a4
|
Use right endianness when copying literal word into storage.
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2017-12-07 16:49:43 +00:00 |
|
Chris Pressey
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14494bcdbe
|
Add beginnings of thing which may one day become a game. Untested.
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2017-12-07 16:14:02 +00:00 |
|
Chris Pressey
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0120a4e5bf
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Amend spec with brief description of new behaviour of add.
|
2017-12-07 15:34:06 +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).
|
2017-12-07 14:14:43 +00:00 |
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