Commit Graph

4096 Commits

Author SHA1 Message Date
Irmen de Jong
b500a0d477 c64: added a couple of routines that calculate the correct memory locations for video ram and sprite pointers etc. based on current VIC-II memory setup.
the examples with sprites, now use it.
2023-09-08 21:27:38 +02:00
Irmen de Jong
dd2463a440 proper fix for the previous commit. + fix for i/o channel reset in diskio.f_seek()
it wasn't the adressing mode, it was that it assumed the pointer variable was always in zeropage (which might not be)
2023-09-07 22:17:46 +02:00
Irmen de Jong
23a8bebd9e fix invalid addressing mode on 6502 cpu for bytevalue +/- bytearray[i] 2023-09-07 21:40:07 +02:00
Irmen de Jong
3caf9108ad finalizing 9.4.1 release 2023-09-06 21:18:01 +02:00
Irmen de Jong
bde4be8231 fix VM indexed instructions to only use lsb part of the index 2023-09-06 02:44:04 +02:00
Irmen de Jong
0bbbb12ed2 fix bench8 examples 2023-09-05 23:40:54 +02:00
Irmen de Jong
b570bdaed7 fix codegen for array[i] += float expression 2023-09-05 22:38:52 +02:00
Irmen de Jong
8c0843cc87 fix an invalid 6502 instruction on c64 in certain float assignment 2023-09-05 21:54:52 +02:00
Irmen de Jong
31458ffd81 examples cleanup and improving c64 graphics module (shift bitmap to higher ram area) 2023-09-05 20:39:12 +02:00
Irmen de Jong
c15c10a94e fixed 'unroll CONSTANTEXPR' compiler errors 2023-09-05 01:03:35 +02:00
Irmen de Jong
9fca978725 optimized plasma examples even more 2023-09-05 00:23:50 +02:00
Irmen de Jong
b125901717 added cx16 plasma example 2023-09-04 23:54:13 +02:00
Irmen de Jong
eb018ae660 code optimization for bytearray[x] +/- bytearray[y]
use adc array,y or sbc array,y instead of tempvar
2023-09-04 23:01:53 +02:00
Irmen de Jong
7e5a9474fe improve plasma example 2023-09-04 20:35:43 +02:00
Irmen de Jong
525a9b5036 prepare parser to allow chained array indexing later 2023-09-03 19:06:47 +02:00
Irmen de Jong
c3fbdf34ca fixed c64 float problem 2023-09-03 16:40:10 +02:00
Irmen de Jong
48bd51e1a5 c64 float problem 2023-09-03 16:29:01 +02:00
Irmen de Jong
10d0b03a90 use less tempvars 2023-09-03 01:32:47 +02:00
Irmen de Jong
e1b3582f08 fix wordvar -= @(memory) 2023-09-03 01:12:26 +02:00
Irmen de Jong
95be1c9e22 fix optimized swapped in-place byte comparisons 2023-09-03 00:47:55 +02:00
Irmen de Jong
1ce8fe06d5 fix in-place <= for bytes 2023-09-03 00:01:11 +02:00
Irmen de Jong
15c649024e float problems on c64 2023-09-02 23:09:55 +02:00
Irmen de Jong
e97303c226 fix word multiplication to not clobber r0 and r1 anymore
This was causing corruption in certain programs such as the cx16/amiga example.
The problem was introduced in 9.4 with the new multiply_words routine
2023-09-02 20:52:16 +02:00
Irmen de Jong
3b786c819d avoid using temp var even more 2023-09-01 23:47:01 +02:00
Irmen de Jong
04959dbd8b optimize asm: don't use temp var for some additions 2023-09-01 22:24:17 +02:00
Irmen de Jong
5cd4b874ea tweak sprites module 2023-09-01 21:25:19 +02:00
Irmen de Jong
f14ea1b3de micro optimization to save 2 cycles: change some pha+pla into tax+txa 2023-09-01 20:37:24 +02:00
Irmen de Jong
9cc0cda0fb added sprites library module (cx16 only) 2023-09-01 17:35:07 +02:00
Irmen de Jong
09a7a4bbe5 optimize comparison against zero 2023-09-01 02:28:11 +02:00
Irmen de Jong
cfea8b3745 save a cycle 2023-09-01 00:50:24 +02:00
Irmen de Jong
28bf0b61ce added math.log2() and math.log2w() 2023-09-01 00:42:15 +02:00
Irmen de Jong
2dc2429735 tweaks to the cx16 sprite example 2023-08-31 23:24:46 +02:00
Irmen de Jong
83d4592526 tweaks to the cx16 sprite example 2023-08-31 22:33:49 +02:00
Irmen de Jong
2d528c26ae added cx16 sprite demo 2023-08-31 16:56:52 +02:00
Irmen de Jong
66b3dce794 doc tweak 2023-08-30 13:16:39 +02:00
Irmen de Jong
93f77a1045 version 9.4 2023-08-29 12:27:09 +02:00
Irmen de Jong
aa4d23a3d5 fix register stack saving on certain expression code that was broken on 6502 but not on 65c02 2023-08-29 11:50:35 +02:00
Irmen de Jong
2d7ebff8e9 fix shadowing warnings in asm and library code 2023-08-29 11:00:53 +02:00
Irmen de Jong
bad9dd3b3b mention shadowing warnings from assembler 2023-08-28 16:55:28 +02:00
Irmen de Jong
2f4e517857 update to Kotlin 1.9.10 2023-08-28 16:45:59 +02:00
Irmen de Jong
ff35ba3696 added warnshadow cli option to enable assembler warnings about symbol shadowing 2023-08-28 16:41:46 +02:00
Irmen de Jong
72768e7fad todo 2023-08-28 16:10:02 +02:00
Irmen de Jong
77f3852cdc added floats.parse_f() 2023-08-16 14:47:20 +02:00
Irmen de Jong
66857ca477 prepare parser to be more flexible with array indexed expressions 2023-08-15 13:07:01 +02:00
Irmen de Jong
75514fc7af fix some invalid instructions on 6502 (instead of 65c02) target for bit shifts 2023-08-14 21:58:26 +02:00
Irmen de Jong
be06d871b6 fix code for bitwise shifts by zero 2023-08-14 21:49:13 +02:00
Irmen de Jong
f98ee326b4 error when doing txt.print('@') where "@" was intended (byte for string parameter) 2023-08-14 19:25:31 +02:00
Irmen de Jong
bc8126eb16 2x faster word multiplication routine 2023-08-14 18:11:30 +02:00
Irmen de Jong
4c8beefdcb slightly faster integer bytes multiplication routine 2023-08-14 17:00:16 +02:00
Irmen de Jong
bbb6c53457 slightly faster sqrt() routine for integers 2023-08-14 17:00:02 +02:00