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BITOPS.MOD
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1987-03-25
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1KB
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44 lines
IMPLEMENTATION MODULE BitOps;
(* Coptright (c) 1987 - Coronado Enterprises *)
(* The logical operations performed here are done by converting *)
(* the input CARDINAL values into type BITSET and using the *)
(* resulting properties of the BITSET type to perform the required *)
(* operations. *)
PROCEDURE LogicalAND(In1, In2 : CARDINAL) : CARDINAL;
VAR Result : BITSET;
BEGIN
Result := BITSET(In1) * BITSET(In2);
RETURN CARDINAL(Result);
END LogicalAND;
PROCEDURE LogicalOR(In1, In2 : CARDINAL) : CARDINAL;
VAR Result : BITSET;
BEGIN
Result := BITSET(In1) + BITSET(In2);
RETURN CARDINAL(Result);
END LogicalOR;
PROCEDURE LogicalXOR(In1, In2 : CARDINAL) : CARDINAL;
VAR Result : BITSET;
BEGIN
Result := BITSET(In1) / BITSET(In2);
RETURN CARDINAL(Result);
END LogicalXOR;
PROCEDURE LogicalNOT(In1 : CARDINAL) : CARDINAL;
VAR Result : BITSET;
BEGIN
Result := BITSET(In1) / BITSET(0177777B);
RETURN CARDINAL(Result);
END LogicalNOT;
END BitOps.