15 lines
664 B
Plaintext
15 lines
664 B
Plaintext
10 REM First we draw the clock face
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20 FOR n=1 TO 12
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30 PRINT AT 10-10*COS (n/6*PI),16+10*SIN (n/6*PI);n
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40 NEXT n
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50 DEF FN t()=INT (65536*PEEK 23674+256*PEEK 23673+PEEK 23672)/50: REM number of seconds since start
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100 REM Now we start the clock
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110 LET t1=FN t()
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120 LET a=t1/30*PI: REM a is the angle of the second hand in radians
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130 LET sx=72*SIN a: LET sy=72*COS a
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140 PLOT 131,91: DRAW OVER 1;sx,sy: REM draw hand
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200 LET t=FN t()
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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
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220 PLOT 131,91: DRAW OVER 1;sx,sy: REM rub out old hand
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230 LET t1=t: GO TO 120
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