Commit Graph

3328 Commits

Author SHA1 Message Date
Irmen de Jong
666d62dd7a fix cx16.r0 base address to be $04 on the C-64, and fix zeropage duplicate free addresses 2022-08-12 17:49:31 +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
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
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
197081f10d keyboardhandler 2022-08-04 23:04:16 +02:00
Irmen de Jong
00b717cde8 tweak 2022-08-04 18:35:10 +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
a38ddcb364 diskio use other filename buffer to avoid always having large buffer 2022-08-02 00:58:32 +02:00
Irmen de Jong
5b9576df4e added diskio.send_command()
diskio now reuses some buffer internally for file names to save some memory
2022-08-01 22:59:27 +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
90ddec2ad8 avoid multiple change events in watch mode
added bsieve example
2022-07-31 11:58:27 +02:00
Irmen de Jong
f6b03d5a78 added diskio.diskname(), improved error checking in diskio.directory() 2022-07-30 13:35:42 +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
473efbe67a tweaks 2022-07-17 22:09:56 +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
7cb9a6ba60 diskio.status() more robust (stops at newline char instead of overwriting buffer), diskio.f_open better detects error status 2022-07-15 22:21:34 +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
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
4bc65e9ef7 fix stack crash in cx16.push_vera_context() 2022-07-14 16:33:09 +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
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