RosettaCodeData/Task/Mandelbrot-set/BASIC/mandelbrot-set-8.basic
2018-06-22 20:57:24 +00:00

15 lines
312 B
Text

10 FOR I=0 TO 63
20 FOR J=43 TO 0 STEP -1
30 LET X=(I-52)/31
40 LET Y=(J-22)/31
50 LET XA=0
60 LET YA=0
70 LET ITER=0
80 LET XTEMP=XA*XA-YA*YA+X
90 LET YA=2*XA*YA+Y
100 LET XA=XTEMP
110 LET ITER=ITER+1
120 IF XA*XA+YA*YA<=4 AND ITER<200 THEN GOTO 80
130 IF ITER=200 THEN PLOT I, J
140 NEXT J
150 NEXT I