DataMuseum.dk Presents historical artifacts from the history of: Rational R1000/400

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⟦22705446e⟧ Ada Source

    Length: 3072 (0xc00)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, seg_018b9c

Derivation

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

SEPARATE (Transport)
FUNCTION Byte_String_To_Integer
            (Bs : Byte_Defs.Byte_String) RETURN Unix_Base_Types.Int IS

   Result        : Unix_Base_Types.Int := 0;
   Int_Length    : CONSTANT := 4;
   Negative      : Boolean := False;
   Shifter       : Integer := 0;
   Normalized_Bs : Byte_Defs.Byte_String (0 .. Int_Length - 1) :=
      (OTHERS => 0);

BEGIN
   IF Bs'Length < Int_Length THEN
      Normalized_Bs
         ((Normalized_Bs'Last - Bs'Length) + 1 .. Normalized_Bs'Last) := Bs;
   ELSE
      Normalized_Bs := Bs ((Bs'Last - Int_Length) + 1 .. Bs'Last);
   END IF;

   IF Normalized_Bs (0) > Byte_Defs.Byte (2 ** 7 - 1) THEN
      Negative := True;
   END IF;

   FOR I IN REVERSE Normalized_Bs'Range LOOP
      IF Negative THEN
         Normalized_Bs (I) := Byte_Defs.Byte'Last - Normalized_Bs (I);
      END IF;

      Result  := Result + Integer (Normalized_Bs (I)) * (2 ** Shifter);
      Shifter := Shifter + 8;
   END LOOP;

   IF Negative THEN
      RETURN -Result - 1;
   ELSE
      RETURN Result;
   END IF;
END Byte_String_To_Integer;

    nblk1=2
    nid=0
    hdr6=4
        [0x00] rec0=21 rec1=00 rec2=01 rec3=000
        [0x01] rec0=0a rec1=00 rec2=02 rec3=000
    tail 0x2151518ea8357639364cc 0x489e0066482863c01