142 Commits

Author	SHA1	Message	Date
Irmen de Jong	4644c9b621	got rid of GoSub ast node and codegen complexity related to that. ... sometimes programs get smaller, sometimes bigger.	2022-08-07 03:24:20 +02:00
Irmen de Jong	00b717cde8	tweak	2022-08-04 18:35:10 +02:00
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