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Author SHA1 Message Date
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
2a71c7e247 Add failing test for a vector being able to name itself in outputs. 2017-12-11 16:57:18 +00:00
Chris Pressey
7323927f72 Add more notes and basically small cleanups in many places. 2017-12-11 15:21:40 +00:00
Chris Pressey
4f919c1d81 Slightly frustrating, but illuminating, attempt to title screen. 2017-12-11 14:40:30 +00:00
Chris Pressey
73810827b9 "repeat forever" in the main loop, or at least as close as we can. 2017-12-11 14:21:32 +00:00
Chris Pressey
85f9d6fc95 Some notes in the README. 2017-12-11 14:18:47 +00:00
Chris Pressey
b6ae45e0cb Add a routine to clear the screen, in the demo game. Untested. 2017-12-11 14:09:55 +00:00
Chris Pressey
b395dbcfda Spiff up the demo game source a little bit. 2017-12-11 14:01:57 +00:00
Chris Pressey
b4709268bc Check in test appliance (dcc6502-adapter) that was missed. 2017-12-11 13:46:06 +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
81aeb6c3f7 Use dcc6502 to disassemble code for comparison in unit tests. 2017-12-11 11:16:27 +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
14494bcdbe Add beginnings of thing which may one day become a game. Untested. 2017-12-07 16:14:02 +00:00
Chris Pressey
0120a4e5bf Amend spec with brief description of new behaviour of add. 2017-12-07 15:34:06 +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
031e4338ad Create branch for developing version 0.9. 2017-12-07 11:18:58 +00:00
Chris Pressey
51f1a86c0d
Merge pull request #2 from catseye/develop-0.8 
Develop 0.8
 2017-12-04 13:03:09 +00:00
Chris Pressey
92f212ddfc Prep for release of 0.8. 2017-12-04 13:02:26 +00:00
Chris Pressey
8766601786 A little note on the history. 2017-12-01 17:23:09 +00:00
Chris Pressey
e9322c8f93 A tiny edit to the TODOs. 2017-12-01 16:46:14 +00:00
Chris Pressey
6afbf581f7 Deal with the inputs/outputs of buffers, in a weak way. 2017-12-01 15:10:16 +00:00
Chris Pressey
d84566a880 Write stored values, and read values, through pointers. 2017-12-01 13:52:56 +00:00
Chris Pressey
9874b11639 Update documentation. 2017-12-01 13:09:25 +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
ff5d635307 Expand on a note in the TODO. 2017-11-23 17:08:40 +00:00
Chris Pressey
b47cfc7b91 Add some notes to the TODO section of the README. 2017-11-21 12:10:31 +00:00
Chris Pressey
b638671eaf Add draft of Design Goals document. 2017-11-21 11:13:21 +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
0e9a887ac5 Update the spec re what literal integers in the code mean. 2017-11-20 16:14:17 +00:00
Chris Pressey
b2b2582e0f Add some tests for copying literal words to word memory locations. 2017-11-20 15:53:34 +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
feb5729ab9 Minor changes to docs. 2017-11-20 14:10:43 +00:00
Chris Pressey
c79bc563d3 Small edits to spec. 2017-11-20 13:25:09 +00:00