140 Commits

Author	SHA1	Message	Date
Irmen de Jong	310219e5d7	make sure memory slabs block is at the bottom of the asm file to not allocate needless space in the resulting prg	2022-07-31 15:37:36 +02:00
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