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64'er Special 6
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64er_Magazin_Sonderheft_06_86-06_1986_Markt__Technik_de_Disk_1_of_3_Side_A.d64
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Commodore BASIC
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2022-10-26
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424b
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21 lines
0 rem graph
10 (NULL)1:(NULL)1:(NULL)1
20 (NULL):(NULL)1:(NULL)7,0
30 (NULL):poke53280,0
40 :
50 def fna(x)=cos(x)-cos(2*x)+cos(4*x)-cos(8*x)
60 mx=160:my=100
70 (NULL)my:(NULL)mx
80 fori=0tomystep20:(NULL)mx,my-i:(NULL)mx,my+i:next
90 fori=0tomxstep20:(NULL)mx-i,my:(NULL)mx+i,my:next
100 pa=0:ya=my-(20*fna(-mx/20))
110 forp=1to319
120 x=(p-mx)/20:y=fna(x)
130 yy=my-(y*20)
140 ifyy<0oryy>199then160
150 (NULL)pa,ya,p,yy
160 pa=p:ya=yy
170 next
180 (NULL)0,190:print""spc(255)spc(255)spc(255)" please press 'shift'!";
190 wait653,1:(NULL)