DataMuseum.dk

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    Length: 2781 (0xadd)
    Types: TextFile
    Names: »B«

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 
└─⟦f64eaa120⟧ Bits:30000752 8mm tape, Rational 1000, !projects 93 02 16
    └─⟦6f12a12be⟧ »DATA« 
        └─⟦this⟧ 
└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
    └─⟦d65440be7⟧ »DATA« 
        └─⟦this⟧ 

TextFile

with Text_Io;
package body Control is
    procedure Set (The_Object : in out Object; To_Value : Integer) is  
    begin
        if To_Value < Minimum then
            case The_Object.Mode is
                when Checked =>
                    raise Underflow;
                when Constrained | Circulary =>
                    The_Object.Value := Minimum;
            end case;
        elsif To_Value > Maximum then
            case The_Object.Mode is
                when Checked =>
                    raise Overflow;
                when Constrained | Circulary =>
                    The_Object.Value := Maximum;
            end case;
        else
            The_Object.Value := To_Value;
        end if;
    end Set;


    procedure Set (The_Object : in out Object; To_Mode : Running_Modes) is
    begin
        The_Object.Mode := To_Mode;
    end Set;


    procedure Reset (The_Object : in out Object) is
    begin
        The_Object.Value := Default;
    end Reset;

    procedure Up_One (The_Object : in out Object) is
    begin
        if The_Object.Value = Maximum then
            case The_Object.Mode is
                when Checked =>
                    raise Overflow;
                when Constrained =>
                    null;
                when Circulary =>
                    The_Object.Value := Minimum;
            end case;
        else
            The_Object.Value := The_Object.Value + 1;
        end if;
    end Up_One;



    procedure Up (The_Object : in out Object; Count : Positive := 1) is
    begin
        for I in 1 .. Count loop
            Up_One (The_Object);
        end loop;
    end Up;


    procedure Down_One (The_Object : in out Object) is
    begin
        if The_Object.Value = Minimum then
            case The_Object.Mode is
                when Checked =>
                    raise Underflow;
                when Constrained =>
                    null;
                when Circulary =>
                    The_Object.Value := Maximum;
            end case;
        else
            The_Object.Value := The_Object.Value - 1;
        end if;
    end Down_One;


    procedure Down (The_Object : in out Object; Count : Positive := 1) is
    begin
        for I in 1 .. Count loop
            Down_One (The_Object);
        end loop;
    end Down;


    procedure Put (The_Object : Object) is
    begin
        Text_Io.Put_Line (Running_Modes'Image (The_Object.Mode) &
                          " counter from " & Integer'Image (Minimum) & " to " &
                          Integer'Image (Maximum) & " set to value: " &
                          Integer'Image (The_Object.Value));
    end Put;

    function Get (The_Object : Object) return Running_Modes is
    begin
        return The_Object.Mode;
    end Get;
end Control;