Irmen de Jong
176ec8ac7d
fix 6502 codegen bug: complex comparison expression is evaluated wrong.
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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
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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
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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
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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.
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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
5b9576df4e
added diskio.send_command()
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diskio now reuses some buffer internally for file names to save some memory
2022-08-01 22:59:27 +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
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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
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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
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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
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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
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
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
