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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Draw-a-clock/ZX-Spectrum-Basic/draw-a-clock.basic Normal file
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10 REM First we draw the clock face
20 FOR n=1 TO 12
30 PRINT AT 10-10*COS (n/6*PI),16+10*SIN (n/6*PI);n
40 NEXT n
50 DEF FN t()=INT (65536*PEEK 23674+256*PEEK 23673+PEEK 23672)/50: REM number of seconds since start
100 REM Now we start the clock
110 LET t1=FN t()
120 LET a=t1/30*PI: REM a is the angle of the second hand in radians
130 LET sx=72*SIN a: LET sy=72*COS a
140 PLOT 131,91: DRAW OVER 1;sx,sy: REM draw hand
200 LET t=FN t()
210 IF INT t<=INT t1 THEN GO TO 200: REM wait for time for next hand; the INTs were not in the original but force it to wait for the next second
220 PLOT 131,91: DRAW OVER 1;sx,sy: REM rub out old hand
230 LET t1=t: GO TO 120