Commit Graph

988 Commits

Author SHA1 Message Date
Irmen de Jong
7fff4f249d optimize msb(cx16.r0) -> cx16.r0H, lsb(cx16.r0) -> cx16.r0L 2022-07-02 21:38:22 +02:00
Irmen de Jong
7a3745f642 psg tweaks 2022-07-02 20:33:40 +02:00
Irmen de Jong
f8658f6afa precalc vera freq to not use floating point math anymore 2022-07-02 19:40:18 +02:00
Irmen de Jong
223b725a10 psg abstraction and attack/release envelope 2022-07-02 18:47:12 +02:00
Irmen de Jong
25aad8d7be improve const-evaluation of builtin expressions 2022-07-02 16:29:01 +02:00
Irmen de Jong
b2c9b7635d revert restriction on certain associative operator reshuffling
it caused larger generated code
2022-07-02 13:59:24 +02:00
Irmen de Jong
24d13dd120 fix problematic optimizations to logical expressions 2022-07-02 00:56:24 +02:00
Irmen de Jong
965340ff90 logical and/or/xor/not all replaced by bitwise &,|,^,~ (ast, codegens)
this also fixed some invalid outcomes of logical expressions!
2022-07-02 00:38:17 +02:00
Irmen de Jong
8e36fe6bef temporary workaround for code problem around 'not' 2022-07-01 01:01:15 +02:00
Irmen de Jong
2eb41a8caf temporary workaround for code problem around 'not' 2022-07-01 00:38:19 +02:00
Irmen de Jong
fb989ae62f cx16: reset rom/ram/monitor banks at program exit to sane values. 2022-07-01 00:14:38 +02:00
Irmen de Jong
7901ec2a64 "not" no longer in LogicalOperators because it makes assembler generate invalid code somehow 2022-06-30 22:49:27 +02:00
Irmen de Jong
f675dbc726 vm var allocator now also recognises the memory-mapped variables. no longer crashes 2022-06-30 22:09:49 +02:00
Irmen de Jong
97cb0cbd08 tweak "not" removal/rewriting 2022-06-30 02:16:30 +02:00
Irmen de Jong
4ca0805de1 bump version 2022-06-29 01:35:14 +02:00
Irmen de Jong
4b358abbb7 "not" operator removed from ast and codegen (it's been replaced with x==0 as equivalent) 2022-06-29 01:13:08 +02:00
Irmen de Jong
dc82a0fc16 better not(x) replacement by x==0 2022-06-28 23:50:23 +02:00
Irmen de Jong
435d6f6f3f vm: and/or/xor/not are all bitwise operations again 2022-06-28 03:17:51 +02:00
Irmen de Jong
ef92451d1a fix logical expressions on arbitrary values, for now with boolean() around the operands 2022-06-28 01:18:36 +02:00
Irmen de Jong
06184bdcb1 get rid of failed mccarthy shortcut evaluation 2022-06-27 21:44:52 +02:00
Irmen de Jong
af98d01053 failed attempt at McCarthy shortcut evaluation 2022-06-27 21:40:48 +02:00
Irmen de Jong
bb1cda0916 fix: boolean values of terms in logical expressions are now properly evaluated 2022-06-26 23:55:34 +02:00
Irmen de Jong
0fcd57192b cx16diskio.f_read() now correctly deals with banked ram boundary 2022-06-26 21:42:56 +02:00
Irmen de Jong
eea09f4de5 fix invalid asm label sometimes generated for multiple loops in same subroutine 2022-06-24 02:26:45 +02:00
Irmen de Jong
5656ec11d3 fix missing abs(byte) routine 2022-06-24 01:51:54 +02:00
Irmen de Jong
eb53e44cb0 zsound stream test 2022-06-24 01:51:33 +02:00
Irmen de Jong
69f3106062 first vm peephole optimizer 2022-06-22 00:21:06 +02:00
Irmen de Jong
53a3c59a91 language for sphinx 2022-06-15 22:38:00 +02:00
Irmen de Jong
bda016bb3b optimized 6502 codegen for logical expressions 2022-06-15 22:17:15 +02:00
Irmen de Jong
cc174b7b85 added boolean() builtin function and use it to get rid of !=0 comparisons 2022-06-14 23:34:45 +02:00
Irmen de Jong
bf9d120081 logical operators now always return a boolean byte result, instead of sometimes word type as well
(preparing for codegen simplifications for these)
2022-06-13 01:37:16 +02:00
Irmen de Jong
775c85fc18 don't swap operands that would change function evaluation order + vm: fix label casing error 2022-06-13 00:25:45 +02:00
Irmen de Jong
5a756aaed9 Pipe expression "|>" removed from the language 2022-06-12 18:41:42 +02:00
Irmen de Jong
8f9a0a244a trying to add zsound pcm player example as well 2022-06-10 23:35:37 +02:00
Irmen de Jong
f537793b0b added zsound demo player example (cx16) 2022-06-08 23:57:01 +02:00
Irmen de Jong
f7183e38ee tweak trivial subroutine inlining 2022-06-08 21:05:03 +02:00
Irmen de Jong
3075578245 optimized codegen for assigning value or variable to indexed pointer. (6502) 2022-06-06 18:30:19 +02:00
Irmen de Jong
b042b7705e fix invalid removal of repeated assignments. 2022-06-06 17:27:06 +02:00
Irmen de Jong
d56eb397f9 fix codegen for rol/ror on pointer indexed 2022-06-06 16:07:45 +02:00
Irmen de Jong
3054a1d32d api change: removed swap() builtin function (too complex in codegen for little used function) 2022-06-06 16:01:11 +02:00
Irmen de Jong
0a3cd652b0 vm: fix codegen for storing to pointer indexed 2022-06-06 14:18:12 +02:00
Irmen de Jong
f70b914779 fix optimized codegen for 2 arg functions, sometimes was passing wrong arg value due to register overwriting 2022-06-06 13:21:45 +02:00
Irmen de Jong
46ca0ac10d properly optimize X - -1 and X + -1, this also fixes type change of ubyte - 2 + 10 2022-06-05 15:35:29 +02:00
Irmen de Jong
9e3e2ff81a fix assembly generation error when pipe character is part of string literal 2022-06-04 22:25:51 +02:00
Irmen de Jong
a9fe6472d9 remove old screencode syntax from docs 2022-06-04 22:07:31 +02:00
Irmen de Jong
a862a81480 added unit test for name shadowing warning 2022-06-04 21:35:48 +02:00
Irmen de Jong
dbb92881a1 fixed X register corruption in some cases of rol() and ror() 2022-06-04 21:10:48 +02:00
Irmen de Jong
10bf7f5d07 fix: again gives proper name redefinition errors in same scope 2022-06-04 20:15:46 +02:00
Irmen de Jong
1e61d84fd1 vm: fix expression codegen for pointer indexing 2022-06-04 19:32:35 +02:00
Irmen de Jong
3c8c44155d vm: loadix instruction added for indirect addressing via pointer 2022-06-04 18:07:57 +02:00