SCREEN 1
    i% = 70
    FOR b% = 1 TO 10 STEP 1
        SCREEN 1: COLOR 15
        WINDOW (-160 / i%, -100 / i%)-(160 / i%, 100 / i%)
        CIRCLE (0, 0), 1
    SCREEN 0: COLOR 27: PRINT "hi"
    NEXT b%