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⟦79b457e82⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Com_Cl35_2, seg_0515ac

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

with Port_Serie_68k;
with Text_Io;

package body Com_Cl35_2 is

    package Ps is new Port_Serie_68k;
    package Gd renames General_Defs;

    Port : constant Ps.Port := Ps.Port_A;  
    Debut_Trame : constant Gd.Byte := 16#01#;
    Fin_Trame_1 : constant Gd.Byte := 16#F1#;
    Fin_Trame_2 : constant Gd.Byte := 16#F2#;  
    Taille_Max_Bstring : constant Natural := 250;

    procedure Emission (B : General_Defs.Byte) is
    begin
        Ps.Ecrire_Donnee (Port_Serie => Port, Donnee => B);
    end Emission;

    procedure Ecriture (Bs : General_Defs.Byte_String) is
    begin
        Emission (Debut_Trame);
        for I in Bs'Range loop  
            Emission (Bs (I));
        end loop;  
        Emission (Fin_Trame_1);
        Emission (Fin_Trame_2);
    end Ecriture;


    function Lecture return General_Defs.Byte_String is
        use Gd;
        Bs : Gd.Byte_String (1 .. Taille_Max_Bstring);
        F1, F2 : Gd.Byte;  
        I : Natural := Bs'First - 1;
    begin
        if Ps.Lire_Donnee (Port_Serie => Port) = Debut_Trame then
            F1 := Ps.Lire_Donnee (Port_Serie => Port);
            F2 := Ps.Lire_Donnee (Port_Serie => Port);
            while (F1 /= Fin_Trame_1) and (F2 /= Fin_Trame_2) loop
                I := I + 1;
                if I > Taille_Max_Bstring then
                    raise Com_Cl35_Error;
                end if;
                Bs (I) := F1;
                F1 := F2;
                F2 := Ps.Lire_Donnee (Port_Serie => Port);
            end loop;
        else
            raise Com_Cl35_Error;
        end if;
        return Bs (Bs'First .. I);
    end Lecture;

begin
    Ps.Pos_Stop_Bits (Port_Serie => Port, Val_Stop_Bits => 2);
    Ps.Emission_Reception (Port_Serie => Port, Mode => Ps.E_R);
end Com_Cl35_2;

    nblk1=4
    nid=2
    hdr6=4
        [0x00] rec0=24 rec1=00 rec2=01 rec3=012
        [0x01] rec0=18 rec1=00 rec2=03 rec3=000
        [0x02] rec0=1e rec1=00 rec2=02 rec3=014
        [0x03] rec0=03 rec1=00 rec2=03 rec3=000
    tail 0x2154b4108879a58b28216 0x42a00088462060003
Free Block Chain:
  0x2: 0000  00 04 03 fc 80 0b 6e 5f 54 72 61 6d 65 5f 32 29  ┆      n_Trame_2)┆
  0x4: 0000  00 00 01 1c 80 38 54 65 78 74 5f 49 6f 2e 50 75  ┆     8Text_Io.Pu┆