?? 66_signed.vhd
字號(hào):
-- pragma label_applies_to plus
constant length: INTEGER := R'length;
begin
return plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label plus
end;
function "+"(L: UNSIGNED; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := max(L'length, R'length);
begin
return STD_LOGIC_VECTOR (unsigned_plus(CONV_UNSIGNED(L, length),
CONV_UNSIGNED(R, length))); -- pragma label plus
end;
function "+"(L: SIGNED; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := max(L'length, R'length);
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: UNSIGNED; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := max(L'length + 1, R'length);
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: SIGNED; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := max(L'length, R'length + 1);
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: UNSIGNED; R: INTEGER) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := L'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
plus( -- pragma label plus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "+"(L: INTEGER; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := R'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
plus( -- pragma label plus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "+"(L: SIGNED; R: INTEGER) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := L'length;
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: INTEGER; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := R'length;
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: UNSIGNED; R: STD_ULOGIC) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := L'length;
begin
return STD_LOGIC_VECTOR (unsigned_plus(CONV_UNSIGNED(L, length),
CONV_UNSIGNED(R, length))) ; -- pragma label plus
end;
function "+"(L: STD_ULOGIC; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := R'length;
begin
return STD_LOGIC_VECTOR (unsigned_plus(CONV_UNSIGNED(L, length),
CONV_UNSIGNED(R, length))); -- pragma label plus
end;
function "+"(L: SIGNED; R: STD_ULOGIC) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := L'length;
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "+"(L: STD_ULOGIC; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to plus
constant length: INTEGER := R'length;
begin
return STD_LOGIC_VECTOR (plus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label plus
end;
function "-"(L: UNSIGNED; R: UNSIGNED) return UNSIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length);
begin
return unsigned_minus(CONV_UNSIGNED(L, length),
CONV_UNSIGNED(R, length)); -- pragma label minus
end;
function "-"(L: SIGNED; R: SIGNED) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length);
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: SIGNED) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length + 1, R'length);
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: SIGNED; R: UNSIGNED) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length + 1);
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: INTEGER) return UNSIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := L'length + 1;
begin
return CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1);
end;
function "-"(L: INTEGER; R: UNSIGNED) return UNSIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := R'length + 1;
begin
return CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1);
end;
function "-"(L: SIGNED; R: INTEGER) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := L'length;
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: INTEGER; R: SIGNED) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := R'length;
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: STD_ULOGIC) return UNSIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := L'length + 1;
begin
return CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1);
end;
function "-"(L: STD_ULOGIC; R: UNSIGNED) return UNSIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := R'length + 1;
begin
return CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1);
end;
function "-"(L: SIGNED; R: STD_ULOGIC) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := L'length;
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: STD_ULOGIC; R: SIGNED) return SIGNED is
-- pragma label_applies_to minus
constant length: INTEGER := R'length;
begin
return minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length)); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length);
begin
return STD_LOGIC_VECTOR (unsigned_minus(CONV_UNSIGNED(L, length),
CONV_UNSIGNED(R, length))); -- pragma label minus
end;
function "-"(L: SIGNED; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length);
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length + 1, R'length);
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: SIGNED; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := max(L'length, R'length + 1);
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: INTEGER) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := L'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "-"(L: INTEGER; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := R'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "-"(L: SIGNED; R: INTEGER) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := L'length;
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: INTEGER; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := R'length;
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: UNSIGNED; R: STD_ULOGIC) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := L'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "-"(L: STD_ULOGIC; R: UNSIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := R'length + 1;
begin
return STD_LOGIC_VECTOR (CONV_UNSIGNED(
minus( -- pragma label minus
CONV_SIGNED(L, length),
CONV_SIGNED(R, length)),
length-1));
end;
function "-"(L: SIGNED; R: STD_ULOGIC) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := L'length;
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "-"(L: STD_ULOGIC; R: SIGNED) return STD_LOGIC_VECTOR is
-- pragma label_applies_to minus
constant length: INTEGER := R'length;
begin
return STD_LOGIC_VECTOR (minus(CONV_SIGNED(L, length),
CONV_SIGNED(R, length))); -- pragma label minus
end;
function "+"(L: UNSIGNED) return UNSIGNED is
begin
return L;
end;
function "+"(L: SIGNED) return SIGNED is
begin
return L;
end;
function "-"(L: SIGNED) return SIGNED is
-- pragma label_applies_to minus
begin
return 0 - L; -- pragma label minus
end;
function "ABS"(L: SIGNED) return SIGNED is
begin
if (L(L'?? 快捷鍵說明
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