Commit Graph

974 Commits

Author SHA1 Message Date
Irmen de Jong
5b6569d0f9 ir: fix overwriting chunk label 2022-10-30 19:03:02 +01:00
Irmen de Jong
67a36d8d31 more robust 'return' statement checks in subroutines 2022-10-30 14:41:28 +01:00
Irmen de Jong
7cc3cc3990 ir: fix non-code chunk linkage 2022-10-30 12:55:06 +01:00
Irmen de Jong
b718b12083 ir/vm fix chunk linkage 2022-10-26 00:12:56 +02:00
Irmen de Jong
cfa7258ff4 various 2022-10-25 23:18:42 +02:00
Irmen de Jong
585009ac5c ir: fix syscall numbers and more 2022-10-24 01:57:37 +02:00
Irmen de Jong
30ee65fd14 ir: ensure that block and sub labels are also on the first chunk in said block/sub 2022-10-23 18:54:08 +02:00
Irmen de Jong
fabae6e970 ir: fix handling of labeled chunks 2022-10-16 23:53:17 +02:00
Irmen de Jong
a9f9c40d8a ir: fix handling of labeled chunks 2022-10-13 00:56:44 +02:00
Irmen de Jong
6fc89607d3 ir: moving to labeled chunks, no more IRLabel nodes 2022-10-07 00:34:56 +02:00
Irmen de Jong
2340760f53 rename 2022-10-04 22:54:14 +02:00
Irmen de Jong
e7682119e0 ir: count register uses 2022-10-02 15:56:06 +02:00
Irmen de Jong
af6be44676 ir: adding register usage inspections
fix compiler problems with untrimmed inlined asm, and when only a single return statement is present in a subroutine
2022-09-30 20:25:00 +02:00
Irmen de Jong
94f0f3e966 ir: join code chunks 2022-09-30 02:47:33 +02:00
Irmen de Jong
7c1bdfe713 ir: uninitialized vars remain empty, bss section classifier (unused for now as there are no segements yet) 2022-09-28 16:56:50 +02:00
Irmen de Jong
e7a3a89bfb fix windows issue 2022-09-27 22:41:48 +02:00
Irmen de Jong
7ea7e63f44 use require() more often 2022-09-27 18:27:55 +02:00
Irmen de Jong
1d2ce2cbeb consolidate IR line parse function 2022-09-27 18:02:57 +02:00
Irmen de Jong
06cf2e0bd7 vm: fix memory slabs (bsieve example) 2022-09-27 16:32:44 +02:00
Irmen de Jong
9d219ae4b9 refactor 2022-09-27 03:32:39 +02:00
Irmen de Jong
71f5a6c50e remove p8virt from compiler diagram 2022-09-27 02:52:29 +02:00
Irmen de Jong
90b2be2bf4 vm: new memory initialization of array vars 2022-09-27 02:43:50 +02:00
Irmen de Jong
db1aa8fcbd vm: new translation of IRProgram into vm program list 2022-09-27 01:50:00 +02:00
Irmen de Jong
11c000f764 moved codeGenVirtual module into virtualmachine module 2022-09-26 20:00:40 +02:00
Irmen de Jong
4d6dcbd173 ir: consolidate IRCodeInstruction and Instruction 2022-09-26 19:46:44 +02:00
Irmen de Jong
0da117efd2 vm: get rid of .p8virt file and cruft 2022-09-26 19:28:40 +02:00
Irmen de Jong
533c368e32 make IRFileReader's file source more general 2022-09-26 14:47:28 +02:00
Irmen de Jong
1a56743bb1 fix IR repeat loop codegen when amount is 0 2022-09-25 20:48:17 +02:00
Irmen de Jong
1d65d63bd9 ir: making sure all names are scoped properly. textelite now runs in vm 2022-09-25 18:02:35 +02:00
Irmen de Jong
dda19c29fe vm: fix symbols to be case sensitive properly in p8virt assembler 2022-09-25 15:51:50 +02:00
Irmen de Jong
ca41669f4f vm: fix scoped name in address-of inside array 2022-09-24 18:26:35 +02:00
Irmen de Jong
0e1886e6bd vm: fix nested label prefixing 2022-09-24 16:00:25 +02:00
Irmen de Jong
c26e116f0e vm: fix crashes when array contains pointers/strings 2022-09-24 14:42:07 +02:00
Irmen de Jong
5c9c7f2c5e adding more complex vm examples 2022-09-23 14:56:06 +02:00
Irmen de Jong
ca2fb6cef3 IR no longer depends on VM syscalls but has its own syscall list for the few builtin functions that still require it 2022-09-23 14:27:51 +02:00
Irmen de Jong
46dac909ef vm/math.p8: complete the sin and cos routines 2022-09-22 15:49:19 +02:00
Irmen de Jong
b1e4347e10 fix compiler crash sometimes when casting byte to word 2022-09-22 13:00:47 +02:00
Irmen de Jong
97aa91c75e removed 16 bits sin/cos routines from math library (sin16, sin16r etc) 2022-09-22 12:55:00 +02:00
Irmen de Jong
4f8fb32136 some docs about compiler internal architecture 2022-09-21 17:34:52 +02:00
Irmen de Jong
e0fbce0087 few more unittests for IR 2022-09-21 02:59:36 +02:00
Irmen de Jong
fb22f78fb3 added '-keepIR' option to save the IR file if it's generated. 2022-09-20 12:30:22 +02:00
Irmen de Jong
5167fdb3f0 docs 2022-09-20 04:10:49 +02:00
Irmen de Jong
b4352ad38b refactor IR codegen into separate module 2022-09-19 19:24:24 +02:00
Irmen de Jong
d07d00fa41 Join codeAst and codeCore modules 2022-09-19 17:28:18 +02:00
Irmen de Jong
11d87e4725 VM: support cpu registers 2022-09-19 17:13:46 +02:00
Irmen de Jong
627ed51a1b IR: mem mapped vars and memory slabs 2022-09-19 15:20:40 +02:00
Irmen de Jong
c8f3bfa726 vm assembler now understands simple indexed addresses (symbol+number) 2022-09-18 02:17:42 +02:00
Irmen de Jong
3091e3a1c8 IR support for instructions operating on cpu regs 2022-09-18 01:51:04 +02:00
Irmen de Jong
2f3e7d1c27 IR support for storing incbins and romsubs 2022-09-17 16:07:41 +02:00
Irmen de Jong
0e831d4b92 fix superfluous usage of addressOf() 2022-09-16 00:31:04 +02:00
Irmen de Jong
7294ec9a3c working on address-of 2022-09-15 22:44:33 +02:00
Irmen de Jong
e34bab9585 change syntax of address-of in p8virt code to &X, instead of {X} 2022-09-13 23:28:52 +02:00
Irmen de Jong
6886b61186 also output inline asm chunks 2022-09-13 23:06:05 +02:00
Irmen de Jong
502a665ffc getting address-of into IR without allocations 2022-09-13 23:06:05 +02:00
Irmen de Jong
c6c5ff2089 added joystick controls to cx16 tehtriz 2022-08-23 18:11:35 +02:00
Irmen de Jong
176ec8ac7d fix 6502 codegen bug: complex comparison expression is evaluated wrong.
Fixed by reintroducing splitting of comparison expression in if statements by using a temporary variable and/or register to precompute left/right values.
2022-08-23 00:05:57 +02:00
Irmen de Jong
dcdd4b3255 found bug in comparison expr codegen 2022-08-22 23:16:56 +02:00
Irmen de Jong
bb5ffb24a8 add IDEA antlr parser build info to documentation 2022-08-21 13:32:31 +02:00
Irmen de Jong
6454bf8ec4 added mouse cursor to amiga example
slightly sped up text rendering in gfx2 highres mode
2022-08-16 04:25:59 +02:00
Irmen de Jong
f37a822725 move 2022-08-14 13:17:03 +02:00
Irmen de Jong
f249ccd414 added asm optimization for same pointer index 2022-08-14 12:50:46 +02:00
Irmen de Jong
7ef4ddf0f3 fixed operator precedence: bitwise must come before comparisons 2022-08-14 12:34:00 +02:00
Irmen de Jong
d8e18df3a1 added c64 starfield example 2022-08-14 12:02:23 +02:00
Irmen de Jong
0aa0ec5abd fix c64 zeropage locations of cx16 virtual registers 2022-08-13 00:14:19 +02:00
Irmen de Jong
b6eef3612f added some ported bench8 test programs 2022-08-12 22:08:27 +02:00
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
ac1bd2fb7b virtual: properly output "memmapped" variables too
still as regular variables though
2022-08-08 20:42:17 +02:00
Irmen de Jong
e560e2ab3f vm instructions now contain info on input/output registers 2022-08-07 18:49:16 +02:00
Irmen de Jong
1e441c2ddf tweak vm codegen 2022-08-07 13:45:03 +02:00
Irmen de Jong
93ce74eeb1 removed problematic expression "simplifications" (that introduced arbitrary r9 temp register usage) 2022-08-07 12:26:11 +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
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
34aa917ca4 allow bool return type (and arguments) for asmsub / romsub 2022-08-02 23:07:42 +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
90ddec2ad8 avoid multiple change events in watch mode
added bsieve example
2022-07-31 11:58:27 +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
f2d27403c5 add string.endswith() to efficiently test for a suffix without copying
add string.startswith() to efficiently test for string prefix without copying
2022-07-21 00:38:30 +02:00
Irmen de Jong
aeabf0f324 nicer colors 2022-07-17 21:37:15 +02:00
Irmen de Jong
80ab552ad8 fix wrong code for signed word >= 0 2022-07-17 19:02:56 +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
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
cfb31377fc c64 zeropage: added a few more locations to Kernalsafe free list that should be safe
this makes $02-$21 inclusive, available for use later (x16 virtual registers are placed here on x16...)
2022-07-17 12:12:47 +02:00
Irmen de Jong
a07c52e112 conv.any2uword / conf.hex2uword can now deal with iso lower and upper case letters as well. 2022-07-17 02:39:40 +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
350dc731f1 cx16: sys.reset_system() now resets vera fully as well (such as PSG sound), kernal didn't seem to do that 2022-07-14 23:44:53 +02:00
Irmen de Jong
4bc65e9ef7 fix stack crash in cx16.push_vera_context() 2022-07-14 16:33:09 +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
f46e131f18 todo 2022-07-12 19:41:51 +02:00
Irmen de Jong
feb5c8be95 vm: some more peephole optimizations 2022-07-12 19:04:19 +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
840331347b added a few more vm optimizations and unit tests 2022-07-12 12:42:37 +02:00
Irmen de Jong
6181b12ab8 added -esa option to override the evalstack location, and shift cx16.r0-r15 accordingly 2022-07-11 19:29:04 +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
92eb3b0bf6 bool logical testcase 2022-07-09 22:29:38 +02:00
Irmen de Jong
97f90d9684 Merge branch 'master' into bool_type 2022-07-09 22:09:49 +02:00
Irmen de Jong
f91786367f added maze example 2022-07-09 22:00:46 +02:00
Irmen de Jong
9633c0b07a added bool to syntax files 2022-07-07 23:30:41 +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
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
beea6bc794 about bool 2022-07-04 20:26:03 +02:00
Irmen de Jong
fee58e98c5 tiny optimization 2022-07-03 13:05:30 +02:00
Irmen de Jong
ea2812f50f add max volume to psg envelope 2022-07-03 11:26:56 +02:00
Irmen de Jong
3ec05709d5 convert the sounds in cx16 tehtriz to use the psg module instead 2022-07-03 01:40:29 +02:00
Irmen de Jong
4b336b1853 if passing a subroutine or label name as an uword argument, without &, add the addressof automatically 2022-07-02 23:55:32 +02:00
Irmen de Jong
e1c77ce236 fix pop() name scoping 2022-07-02 23:27:08 +02:00
Irmen de Jong
064d412ec8 added cx16.push_vera_context() and cx16.pop_vera_context() for use in irq handlers 2022-07-02 23:13:00 +02:00
Irmen de Jong
7fff4f249d optimize msb(cx16.r0) -> cx16.r0H, lsb(cx16.r0) -> cx16.r0L 2022-07-02 21:38:22 +02:00
Irmen de Jong
7a3745f642 psg tweaks 2022-07-02 20:33:40 +02:00
Irmen de Jong
f8658f6afa precalc vera freq to not use floating point math anymore 2022-07-02 19:40:18 +02:00
Irmen de Jong
25aad8d7be improve const-evaluation of builtin expressions 2022-07-02 16:29:01 +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
2eb41a8caf temporary workaround for code problem around 'not' 2022-07-01 00:38:19 +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
7901ec2a64 "not" no longer in LogicalOperators because it makes assembler generate invalid code somehow 2022-06-30 22:49:27 +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
4ca0805de1 bump version 2022-06-29 01:35:14 +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
435d6f6f3f vm: and/or/xor/not are all bitwise operations again 2022-06-28 03:17:51 +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
0fcd57192b cx16diskio.f_read() now correctly deals with banked ram boundary 2022-06-26 21:42:56 +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
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
69f3106062 first vm peephole optimizer 2022-06-22 00:21:06 +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
8f9a0a244a trying to add zsound pcm player example as well 2022-06-10 23:35:37 +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
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
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
9e3e2ff81a fix assembly generation error when pipe character is part of string literal 2022-06-04 22:25:51 +02:00
Irmen de Jong
a9fe6472d9 remove old screencode syntax from docs 2022-06-04 22:07:31 +02:00
Irmen de Jong
a862a81480 added unit test for name shadowing warning 2022-06-04 21:35:48 +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
3c8c44155d vm: loadix instruction added for indirect addressing via pointer 2022-06-04 18:07:57 +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
0349d1d57c diskio: moved cx16 optimized f_read() to cx16diskio instead
so unfortunately you have to select the faster version yourself when on cx16
2022-06-04 00:33:27 +02:00
Irmen de Jong
73a3a61729 swap() checks for unsupported code gen 2022-06-03 23:41:24 +02:00
Irmen de Jong
c7eafd7c79 cx16: fix macptr() signature and use it in diskio.f_read() for big increase in load speed 2022-06-02 00:37:18 +02:00
Irmen de Jong
c4eaa944e2 thoughts 2022-05-30 23:37:41 +02:00
Irmen de Jong
6ed5f04970 version 8.1 2022-05-25 20:00:26 +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
e659b91c4d vm: fix storezm/storezx instructions 2022-05-23 21:01:02 +02:00
Irmen de Jong
e09f054058 vm: implemented in-place bit rotate instructions 2022-05-23 20:30:25 +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
26ea1da146 vm: add in-place bitwise or,and,xor 2022-05-20 20:50:27 +02:00
Irmen de Jong
c9e8c7a290 vm: add in-place division 2022-05-19 23:38:16 +02:00
Irmen de Jong
181b98ef9e vm: implemented some self-assign instructions 2022-05-18 22:15:42 +02:00
Irmen de Jong
e52d9e3210 vm: split off assignment codegen to its own file 2022-05-17 22:38:31 +02:00
Irmen de Jong
dc6475c91b vm: fixed non-byte array indexing 2022-05-17 18:53:33 +02:00
Irmen de Jong
52f9956e92 clarify use of direct-memory in functions that modify in place such as rol/swap 2022-05-16 22:41:31 +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
4dc9b45297 vm: fixed string comparisons, added missing vm string module 2022-05-13 23:10:13 +02:00
Irmen de Jong
6e31eebfb5 vm: ifElse codegen uses proper branching instructions now 2022-05-12 21:26:17 +02:00
Irmen de Jong
a7df828932 vm: codegen uses INCM/DECM if possible 2022-05-12 19:40:31 +02:00
Irmen de Jong
517cf61d11 vm: limit int instructions to just 2 register args 2022-05-11 22:36:47 +02:00
Irmen de Jong
74c05d00a9 vm: fix comparison operator codegen for floats 2022-05-11 17:07:21 +02:00
Irmen de Jong
677613d30a vm: expressiongen: use resultRegister arg instead of allocating new leftResultReg 2022-05-11 15:58:55 +02:00
Irmen de Jong
bacba629a5 vm: use shift-one instructions in codegen 2022-05-11 15:50:51 +02:00
Irmen de Jong
14e36f1362 vm: fix assignment to array 2022-05-11 15:26:54 +02:00