21 lines
258 B
QBasic
21 lines
258 B
QBasic
SUB MAIN
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DIM CX, CY, R AS INTEGER
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GRAPHICS
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CY=SCREENHEIGHT()/2
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CX=SCREENWIDTH()/2
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IF (CX < CY) THEN
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R=CX/2
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ELSE
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R=CY/2
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END IF
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SETCOLOR 0,0,0
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CLS
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SETCOLOR 255,255,255
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FILLCIRCLE CX,CY,R
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REPAINT
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SLEEP 5000
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END SUB
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