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Author SHA1 Message Date
Chris Pressey
8a613febe2 More notes. 2018-04-19 09:54:24 +01:00
Chris Pressey
9adc543cc0 Add TODO note. 2018-04-18 17:59:42 +01:00
Chris Pressey
72fed579d1 Expand on the points in the TODOs. 2018-04-18 16:46:34 +01:00
Chris Pressey
bc91ef1602 Compile byte-table add, sub, cmp, and, or, xor, shl, shr, inc, dec. 2018-04-18 16:32:12 +01:00
Chris Pressey
5fcbfa1d21 Analyze reads and updates of tables. 2018-04-18 15:45:47 +01:00
Chris Pressey
0c22944afc Able to parse, but not yet able to analyze, other table accesses. 2018-04-18 14:21:03 +01:00
Chris Pressey
e565234d28 Support for shl foo and shr foo where foo is a byte storage. 2018-04-18 12:01:53 +01:00
Chris Pressey
b451176f37 (Not possible because there are not Indirect,Y modes for LDX, STX) 2018-04-18 11:27:23 +01:00
Chris Pressey
3c7d95a724 Support for copy [ptra]+y, [ptrb]+y to indirect LDA indirect STA 2018-04-18 10:57:57 +01:00
Chris Pressey
4f28f43bde The existing analysis is actually sufficient. Document why this is. 2018-04-18 10:25:23 +01:00
Chris Pressey
f9c3b56246 Work out routine-vector type compatibility, w/ one failing test. 2018-04-18 10:13:15 +01:00
Chris Pressey
70247e0e44 Generate zero-page code for and, or, and xor, when possible. 2018-04-17 17:58:26 +01:00
Chris Pressey
9b53ed03c8
Merge pull request #11 from catseye/develop-0.15 
Develop 0.15
 2018-04-10 10:27:49 +01:00
Chris Pressey
475584769d Add more test cases. 2018-04-06 14:08:09 +01:00
Chris Pressey
5f64113484 1-line bugfix. Now the optimizer does do the expected good job. 2018-04-06 13:27:40 +01:00
Chris Pressey
a5d946734a Add more tests. Apparently our algorithm does not do a good job. 2018-04-06 13:24:04 +01:00
Chris Pressey
350bab42d7 Rebuild Ribos 2. 2018-04-05 14:45:17 +01:00
Chris Pressey
cce278da28 Rebuild "The PETulant Cursor". 2018-04-05 14:36:38 +01:00
Chris Pressey
27df0d27db Optimize away RTS and JMP when possible. Fallthru stuff done. 2018-04-05 14:10:04 +01:00
Chris Pressey
2ca843ece7 Begin hooking the fallthru analysis up to the compilation phase. 2018-04-05 10:52:14 +01:00
Chris Pressey
ac24f98dd3 Vastly simplify the fallthru analysis algorithm. 2018-04-05 09:57:14 +01:00
Chris Pressey
7fa54f53cb Serialize main first. However, this could use a fresh approach. 2018-04-04 17:55:59 +01:00
Chris Pressey
9c68b6a7e0 Serialize routines with in() sets first, and in the right order. 2018-04-04 17:49:50 +01:00
Chris Pressey
cab84b8ebe Change the serialization format to be (hopefully) clearer. 2018-04-04 17:05:48 +01:00
Chris Pressey
efe8859209 Find the longest chain of routines in R and remove it. 2018-04-04 16:54:12 +01:00
Chris Pressey
b1bcc21ffc Go slightly further with the serialization. 2018-04-04 16:22:14 +01:00
Chris Pressey
30e839033c First cut at serialization of fallthru-optimized routines. 2018-04-04 15:09:48 +01:00
Chris Pressey
aecea9b6a3 Optomize dump() abstraction. (You muss optomize, always optomize.) 2018-04-04 14:20:56 +01:00
Chris Pressey
e39dbf68ed Call it fall_in_map. 2018-04-04 14:16:49 +01:00
Chris Pressey
9c196efe25 Abstraction for dumping JSON info. 2018-04-04 14:13:53 +01:00
Chris Pressey
448849ac4b Successfully break cycle. 2018-04-04 14:01:17 +01:00
Chris Pressey
50433ac860 Find cycles in fallthru map. Try to break them; not right, yet. 2018-04-04 13:37:32 +01:00
Chris Pressey
d883816298 --optimize-fallthru and --dump-fallthru-info options. 2018-04-04 11:54:50 +01:00
Chris Pressey
a0d3ea8167 Add a dedicated module for a dedicated FallthruAnalyzer. 2018-04-04 11:09:39 +01:00
Chris Pressey
2be4406964 Flesh out and describe the fallthru optimization algorithm. 2018-04-04 10:15:06 +01:00
Chris Pressey
237a8b5b39 Lessen dependence on the internals of ParsingContext. 2018-03-29 17:31:14 +01:00
Chris Pressey
b63b880b8c Update documentation. 2018-03-29 16:58:50 +01:00
Chris Pressey
a759f4414b Make tests pass again. 2018-03-29 16:50:07 +01:00
Chris Pressey
8f1e35fb39 Add some tests, some failing, for expected fallthru maps. 2018-03-29 16:44:06 +01:00
Chris Pressey
b33998cddc First cut at building fallthru map. Needs tests. 2018-03-29 15:07:44 +01:00
Chris Pressey
fa1b0cfae1 Support branching and looping on the n flag. 2018-03-29 14:45:28 +01:00
Chris Pressey
b9fb26320c Add some failing tests for looping on the n flag. 2018-03-29 13:33:06 +01:00
Chris Pressey
6e8dc97826 Fork the Atari 2600 Ophis example for easier comparing to 60p. 2018-03-29 12:11:38 +01:00
Chris Pressey
ebe53f540c Fix bug when zero page address was $00. 2018-03-29 11:46:56 +01:00
Chris Pressey
eadf1eb4ae A byte or word table can be initialized with a list of constants. 2018-03-29 11:09:02 +01:00
Chris Pressey
2f513f7291 Initial support for initializing byte tables with list of bytes. 2018-03-29 10:45:18 +01:00
Chris Pressey
9b912de17c Accessing zero-page with ld and st generates zero-page opcodes. 2018-03-29 10:31:42 +01:00
Chris Pressey
1f992f8dbd Support of NOP opcode. 2018-03-28 14:52:16 +01:00
Chris Pressey
0093c7b7d9 First cut at support for targetting the Atari 2600. 2018-03-28 14:20:53 +01:00
Chris Pressey
bb0e7aa992 Track the gotos that we have encountered in a routine. 2018-03-27 17:27:09 +01:00