1
1
Fork 0
mirror of https://github.com/QB64Official/qb64.git synced 2024-09-04 11:10:15 +00:00
qb64/programs/samples/misc/mandelb.bas
SMcNeill 6e01fc8dce Altered string compare routines (<,<=,>,>=) so they don't give false results with CHR$(0).
Added new _STRCMP and _STRICMP commands for quick string comparisons.
Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders.
Altered UCASE and LCASE routines to be faster in some situations for us.
2014-09-22 08:19:03 -04:00

15 lines
589 B
QBasic

'MANDELBROT by Antoni Gual 2003
'for Rel's 9 LINER contest at QBASICNEWS.COM 1/2003
'------------------------------------------------------------------------
'DECLARE SUB ffix
'ffix
1 IF x& = 0 THEN SCREEN 13 ELSE iter% = 0
2 x& = (x& + 123) MOD 64000
3 im2 = im * im
4 IF iter% THEN im = 2 * re * im + (CSNG(x& \ 320) / 100 - 1) ELSE im = 0
5 IF iter% THEN re = re * re - im2 + (CSNG(x& MOD 320) / 120 - 1.9) ELSE re = 0
6 iter% = iter% + 1
7 IF ABS(re) + ABS(im) > 2 OR iter% > 254 THEN PSET (x& MOD 320, x& \ 320), iter% ELSE GOTO 3
8 IF LEN(INKEY$) = 0 THEN GOTO 1