2 Instructions
2-160 CP1E CPU Unit Instructions Reference Manual(W483)
+C/+CL
Applicable Program Areas
Operands
Operand Specifications
Flags

Instruction Mnemonic Variations Function

code Function

SIGNED BINARY ADD WITH

CARRY +C @+C 402 Adds 4-digit (single-word) hexadecimal data

and/or constants with the Carry Flag (CY).

DOUBLE SIGNED BINARY

ADD WITH CARRY +CL @+CL 403 Adds 8-digit (double-word) hexadecimal data

and/or constants with the Carry Flag (CY).
Symbol
+C +CL
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
Operand Description Data type Size
+C +CL +C +CL
Au +C: Augend word
+CL: First augend word INT DINT 1 2
Ad +C: Addend word
+CL: First addend word INT DINT 1 2
R+C: Result word
+CL: First result word INT DINT 1 2
Area Word addresses Indirect DM addresses Constants CF Pulse bits TR bits
CIO WR HR AR T C DM @DM *DM
Au, Ad OK OK OK OK OK OK OK OK OK OK --- --- ---
R---
Name Label Operation
+C +CL
Error Flag P_ER OFF OFF
Equals Flag P_EQ •ON when the addition result is 0.
•OFF in all other cases.
•ON when the result is 0.
•OFF in all other cases.
Carry Flag P_CY •ON when the addition results in a carry.
•OFF in all other cases.
•ON when the results in a carry.
•OFF in all other cases.
Overflow Flag P_OF •ON when the addition result of adding two positive
numbers and CY is in the range 8000 to FFFF
hex.
•OFF in all other cases.
•ON when the result of adding two positive num-
bers and CY is in the range 80000000 to
FFFFFFFF hex.
•OFF in all other cases.
Underflow Flag P_UF •ON when the addition result of adding two nega-
tive numbers and CY is in the range 0000 to 7FFF
hex.
•OFF in all other cases.
•ON when the result of adding two negative num-
bers and CY is in the range 00000000 to
7FFFFFFF hex.
•OFF in all other cases.
Negative Flag P_N •ON when the leftmost bit of the result is 1.
•OFF in all other cases.
•ON when the leftmost bit of the result is 1.
•OFF in all other cases.
+C(402)
R
Au
Ad
Au: Augend word
Ad: Addend word
R: Result word
+CL(403)
Au
Ad
R
Au: 1st augend word
Ad: 1st addend word
R: 1st result word