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    {
    hereya go. I've found that these come in pretty handy. You can make
    some cool things with them too. I also have the code to detect if
    the lights are on/off also if you want it.
    }

    uses crt; Procedure TurnCapsOn;Assembler;
    ASM

        SUB    AX,AX
        MOV    ES,AX
        MOV    AL,64
        OR     ES:[417h],AL
        RET
    END;

    Procedure TurnNumOn;Assembler;
    ASM

        SUB    AX,AX
        MOV    ES,AX
        MOV    AL,32
        OR     ES:[417h],AL
        RET
    END;

    Procedure TurnScrollOn;Assembler;
    ASM

        SUB    AX,AX
        MOV    ES,AX
        MOV    AL,16
        OR     ES:[417h],AL
        RET
    END;

    Procedure TurnCapsOff;Assembler;
    ASM

        SUB   AX,AX
        MOV   ES,AX
        MOV   AL,10111111b
        AND   ES:[417h],AL
        RET
    END;

    Procedure TurnNumOff;Assembler;
    ASM

        SUB   AX,AX
        MOV   ES,AX
        MOV   AL,11011111b
        AND   ES:[417h],AL
        RET
    END;

    Procedure TurnScrollOff;Assembler;
    ASM

        SUB   AX,AX
        MOV   ES,AX
        MOV   AL,11101111b
        AND   ES:[417h],AL
        RET
    END;

    var
       x : integer;
    {Watch your lights} begin
        x:=0;
        repeat
             inc(x);
             if x mod 3 = 0 then
             Begin             TurnNumOn;TurnCapsOff;TurnScrollOff;
             End;
             If X mod 3 = 1 then
             Begin
                 TurnNumOff;TurnCapsOn;TurnScrollOff;
             End;
             If X Mod 3 = 2 then
             Begin
                 TurnNumOff;TurnCapsOff;TurnScrollOn;
             End;
             Delay(15);
        until keypressed;
    end.

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