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ZROSE.BAS
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BASIC Source File
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1991-03-18
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896b
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21 lines
00010 MODE 5: REM************ NEW USR8/USR9 SIN/COS METHOD ******************
00040 FOR R=0 TO 128 STEP 2
00050 Z# = USR 9(3*R)*6.41E-3 : X1 = USR 9(R)*Z#+512 : Y1 = USR 8(R)*Z#+384
00060 B=R+42 : Z2# = USR 9(3*B)*6.41E-3
00070 X2 = USR 9(B)*Z2#+512 : Y2 = USR 8(B)*Z2#+384
00080 PLOT X1,Y1 TO X2,Y2
00090 NEXT
00100 IF INKEY$="" THEN 100
01000 REM ***************** SLOW SIN/COS METHOD **************************
01010 DEFDBL A-Z : MODE 5
01020 PI=3.1415
01030 FOR R=0 TO PI STEP PI/75 : TRON X
01040 Z=COS(3*R)*420 :X1=COS(R)*Z+512 :Y1=SIN(R)*Z+384
01050 B=R+PI/3 :Z2=COS(3*B)*420
01060 X2=COS(B)*Z2+512 :Y2=SIN(B)*Z2+384
01070 PLOT X1,Y1 TO X2,Y2
01080 NEXT
01090 IF INKEY$="" THEN 1090
02000 PRINT"NEW METHOD SIZE:";LINE 1000-LINE 10
02010 PRINT"OLD METHOD SIZE:";LINE 2000-LINE 1000