1187 Commits

Author	SHA1	Message	Date
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
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	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	dca092fd7c	fix pipe expression when start term is constant number	2022-06-12 16:59:28 +02:00
Irmen de Jong	c6e92ecac4	some code cleanup	2022-06-12 16:15:08 +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	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	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	031f647952	allow casting negative numbers to unsigned, result = 2's complement	2022-06-05 14:21:10 +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	2002412026	optimized codegen for pointer indexing (read expressions)	2022-06-04 17:20:17 +02:00
Irmen de Jong	7f69517fd4	preparing optimizing pointer indexing	2022-06-04 16:18:27 +02:00
Irmen de Jong	c40cfaa388	preparing optimizing pointer indexing	2022-06-04 14:23:02 +02:00
Irmen de Jong	5fe6aa2800	fix swap() code for pointervars	2022-06-03 23:13:35 +02:00
Irmen de Jong	b459b09b2f	vm: fix comparison datatype error; primes.p8 works again	2022-05-24 18:26:07 +02:00
Irmen de Jong	3f5877dbcc	vm: fix array iteration	2022-05-23 21:24:36 +02:00
Irmen de Jong	e659b91c4d	vm: fix storezm/storezx instructions	2022-05-23 21:01:02 +02:00
Irmen de Jong	b646f50265	vm: implemented in-memory bit shift instructions	2022-05-23 20:15:20 +02:00
Irmen de Jong	0a48ef3030	vm: just use new register instead of trying to (ab)use reg 0	2022-05-22 23:38:46 +02:00
Irmen de Jong	ba614801ee	cleanup	2022-05-22 23:11:22 +02:00
Irmen de Jong	fd6eb47e68	added inlining certain trivial non-asm subroutine calls	2022-05-22 20:22:09 +02:00
Irmen de Jong	e69aeb8b98	added warning about shadowing variables	2022-05-22 17:34:08 +02:00
Irmen de Jong	26ea1da146	vm: add in-place bitwise or,and,xor	2022-05-20 20:50:27 +02:00
Irmen de Jong	461b6499ef	vm: add in-place add/sub	2022-05-19 22:54:50 +02:00
Irmen de Jong	c769920b6e	vm: fix signed divide	2022-05-19 22:24:57 +02:00
Irmen de Jong	181b98ef9e	vm: implemented some self-assign instructions	2022-05-18 22:15:42 +02:00
Irmen de Jong	4e1184a400	vm: added some of the sin cos tables in math.p8	2022-05-17 22:56:00 +02:00