Commit Graph

139 Commits

Author SHA1 Message Date
Irmen de Jong
a0deb463c9 optimized codegen for some equality comparison expressions and some logical expressions 2022-07-31 15:25:54 +02:00
Irmen de Jong
046dceb5c2 added optimized case for signed division by 2 2022-07-24 13:59:35 +02:00
Irmen de Jong
dcc1f00048 fix rounding errors in signed divide by power-of-two
The optimized bit-shifting division is removed (for now)
2022-07-24 12:34:55 +02:00
Irmen de Jong
5189eaca36 move the vm unit tests to codeGenVirtual module and remove virtualmachine dependency in the compiler module 2022-07-17 12:56:22 +02:00
Irmen de Jong
f690f58bd4 callfar() now accepts a variable as address, so it can be used to indirect JSR to a subroutine whose address is not fixed. ('goto' already could indirect JMP to a variable address.) 2022-07-14 19:29:59 +02:00
Irmen de Jong
2d600da8b6 fix codegen crash on certain nested typecast 2022-07-13 22:24:31 +02:00
Irmen de Jong
7a26646e1b tweak bool type handling 2022-07-11 02:08:12 +02:00
Irmen de Jong
1163543a98 fix bool param lookup problem 2022-07-07 22:23:56 +02:00
Irmen de Jong
65daf29acd fix compiler crash related to word types in certain comparison expressions 2022-07-07 22:23:56 +02:00
Irmen de Jong
298b25cf7d fix compiler crash on certain typecasting assignment 2022-07-07 22:23:56 +02:00
Irmen de Jong
41f4e22a17 introduce BOOL type 2022-07-07 22:23:56 +02:00
Irmen de Jong
288c57c144 ack to allow user to override the following two with command line redefinition: 2022-07-07 22:16:08 +02:00
Irmen de Jong
b41779bd02 added -D command line option to define symbols in the assembly file 2022-07-06 23:40:36 +02:00
Irmen de Jong
e1c77ce236 fix pop() name scoping 2022-07-02 23:27:08 +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
fb989ae62f cx16: reset rom/ram/monitor banks at program exit to sane values. 2022-07-01 00:14:38 +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
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
bb1cda0916 fix: boolean values of terms in logical expressions are now properly evaluated 2022-06-26 23:55:34 +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
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
c6e92ecac4 some code cleanup 2022-06-12 16:15:08 +02:00
Irmen de Jong
710f27afa9 bump library versions 2022-06-09 22:44:17 +02:00
Irmen de Jong
0a65dfdd10 optimized codegen for some more simple expressions with +/- 2022-06-07 22:30:08 +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
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
9e3e2ff81a fix assembly generation error when pipe character is part of string literal 2022-06-04 22:25:51 +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
8618ba1b60 fix 6502 expression codegen for pointer indexing 2022-06-04 18:46:16 +02:00
Irmen de Jong
3c8c44155d vm: loadix instruction added for indirect addressing via pointer 2022-06-04 18:07:57 +02:00
Irmen de Jong
2002412026 optimized codegen for pointer indexing (read expressions) 2022-06-04 17:20:17 +02:00
Irmen de Jong
73a3a61729 swap() checks for unsupported code gen 2022-06-03 23:41:24 +02:00
Irmen de Jong
5fe6aa2800 fix swap() code for pointervars 2022-06-03 23:13:35 +02:00
Irmen de Jong
ba614801ee cleanup 2022-05-22 23:11:22 +02:00
Irmen de Jong
0bf00d1ca4 c64/c128 targets: perform cleanup at program exit such as re-enabling run-stop key and character set switching. 2022-05-15 16:44:26 +02:00
Irmen de Jong
7c121bfc01 first steps to support multiple args in pipe expressions 2022-05-07 19:00:47 +02:00
Irmen de Jong
da01a5b4dc vm: implement float to integer cast, any, all, reverse 2022-05-04 22:08:21 +02:00
Irmen de Jong
0f9e87d7bb fixed compiler crash when casting float to integer, fixed float to int cast value error on cx16 2022-05-03 23:43:38 +02:00
Irmen de Jong
b32641db87 remove syscall() builtin functions
vm code can do this via inline assembly
2022-05-01 00:41:30 +02:00
Irmen de Jong
7844ace934 vm: implementing floating-point 2022-04-29 22:27:02 +02:00
Irmen de Jong
cf50e4f6ec vm: printing of numbers now via conv module.
assigning strings now converted to strcopy function call in the compiler ast.
2022-04-23 02:15:51 +02:00
Irmen de Jong
7eea97d741 - floats: remove all floating point builtin functions and move them to the floats module instead 2022-04-22 00:45:54 +02:00