1223 Commits

Author	SHA1	Message	Date
Irmen de Jong	44ee4b989f	optimize code for logical expressions more if right operand is simple	2022-08-12 00:49:40 +02:00
Irmen de Jong	18790d867c	optimize conditional expression WORD & $ff00 to just msb(WORD)&$ff	2022-08-12 00:21:44 +02:00
Irmen de Jong	d6b8936376	fix mkword(@(ptr), 0) wrong asm	2022-08-11 23:01:19 +02:00
Irmen de Jong	4d840c7db8	optimized mkword(0, X)	2022-08-11 22:51:09 +02:00
Irmen de Jong	4d2b21816d	optimized uword <<8 and >>8	2022-08-11 22:25:15 +02:00
Irmen de Jong	2d34fdd28f	in a block marked option force_output, make all subroutines in asm use .block rather than .proc ... this fixes some obscure assembly issues where subroutines were omitted from the output program by 64tass	2022-08-10 21:28:40 +02:00
Irmen de Jong	68abda1219	fix a few small compiler errors (removing functioncall, removing block, assigning virtual register return value)	2022-08-09 23:38:29 +02:00
Irmen de Jong	f778f08f76	tweak	2022-08-08 21:09:49 +02:00
Irmen de Jong	ac1bd2fb7b	virtual: properly output "memmapped" variables too ... still as regular variables though	2022-08-08 20:42:17 +02:00
Irmen de Jong	4b7b1379d9	also binexpr split on and,or,xor if appropriate	2022-08-08 00:09:18 +02:00
Irmen de Jong	1e441c2ddf	tweak vm codegen	2022-08-07 13:45:03 +02:00
Irmen de Jong	f718f4251b	working on better encoding of romsub in new ast/vmtarget	2022-08-07 12:21:10 +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	f531daa872	on C64, the cx16.r0...cx16.r15 virtual regs are now in zeropage as well when using kernalsafe or full	2022-07-28 19:13:33 +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	05f935b598	simplify & fix recursion detector	2022-07-22 22:22:43 +02:00
Irmen de Jong	7d4695c5b2	cx16: graphics module y resolution corrected from 200 to 240. added 'cx16/circles' example.	2022-07-17 18:59:52 +02:00
Irmen de Jong	8e1071aa89	fix compiler crashes: txt.chrout("a"), uword[] a = ["ls", subroutine] without & before subroutine.	2022-07-15 23:17:03 +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	35af53828a	fix endless loop in optimizer, fix cx16 register clobbering in psg interrupt handler, fix crash on certain arrays, fix undefined symbol when it's in another imported module	2022-07-13 18:42:06 +02:00
Irmen de Jong	10ddd5b127	fixed missing non-boolean operand cast in logical expressions	2022-07-12 22:28:06 +02:00
Irmen de Jong	edf12bec71	improve bool params typecasting, fix compiler crash on abs(floatvar)	2022-07-12 17:52:37 +02:00
Irmen de Jong	ff1fc28287	added immediate value vm logical instructions because these are so common	2022-07-12 16:12:32 +02:00
Irmen de Jong	314398ba4c	added immediate value vm arithmetic instructions because these are so common	2022-07-12 15:21:26 +02:00
Irmen de Jong	68da661edc	optimize comparison to true/1 into comparison to zero, optimize while/until conditions	2022-07-11 16:42:52 +02:00
Irmen de Jong	88cbb6913d	tweak bool type handling	2022-07-11 14:55:50 +02:00
Irmen de Jong	7a26646e1b	tweak bool type handling	2022-07-11 02:08:12 +02:00
Irmen de Jong	211e2bb37a	improved bool type checking	2022-07-08 22:29:13 +02:00
Irmen de Jong	d2d08bf143	fix compiler error about bool vs ubyte	2022-07-08 22:03:05 +02:00
Irmen de Jong	8acb37b6c2	use bool type in examples and libraries	2022-07-08 21:50:32 +02:00
Irmen de Jong	1dfa8ee7d8	add ARRAY_BOOL array type	2022-07-07 23:07:30 +02:00
Irmen de Jong	1163543a98	fix bool param lookup problem	2022-07-07 22:23:56 +02:00
Irmen de Jong	bdb7de34be	added several compiler checks against weird boolean type use in expressions	2022-07-07 22:23:56 +02:00
Irmen de Jong	9500fc11ac	document new bool datatype and removal of boolean() conversion function	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	cc41218d37	added nicer vm example	2022-07-03 00:41:04 +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	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	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	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