Omron CP1E CPU UNIT SOFTWARE - A-1-9 Symbol Math Instructions

Appendices
A-18
CP1E CPU Unit Software User’s Manual(W480)
DOUBLE
INCREMENT
BCD
++BL @ Increments the 8-digit BCD content of the specified words by 1.
DECREMENT
BCD
− −B @ Decrements the 4-digit BCD content of the specified word by 1.
DOUBLE DEC-
REMENT BCD
− −BL @ Decrements the 8-digit BCD content of the specified words by 1.
A-1-9 Symbol Math Instructions
Instruction Mnemonic Variations Symbol/Operand Function
SIGNED
BINARY ADD
WITHOUT
CARRY
+ @ Adds 4-digit (single-word) hexadecimal data and/or constants.
DOUBLE
SIGNED
BINARY ADD
WITHOUT
CARRY
+L @ Adds 8-digit (double-word) hexadecimal data and/or constants.
SIGNED
BINARY ADD
WITH CARRY
+C @ Adds 4-digit (single-word) hexadecimal data and/or constants with
the Carry Flag (CY).
DOUBLE
SIGNED
BINARY ADD
WITH CARRY
+CL @ Adds 8-digit (double-word) hexadecimal data and/or constants
with the Carry Flag (CY).
Instruction Mnemonic Variations Symbol/Operand Function
++BL(595)
Wd
Wd: 1st word
Wd+1 Wd Wd+1 Wd
− − B(596)
Wd
Wd: Word
−1
Wd Wd
− − BL(597)
Wd
Wd: 1st word
Wd+1 Wd Wd+1 Wd
+(400)
Au
Ad
R
Au: Augend word
Ad: Addend word
R: Result word
Au
Ad
RCY
+
(Signed binary)
(Signed binary)
(Signed binary)
CY will turn
ON when
there is a
carry.
+L(401)
Au
Ad
R
Au: 1st augend word
Ad: 1st addend word
R: 1st result word
Ad+1
R+1CY
+
Au
Ad
R
Au+1
CY will
turn ON
when there
is a carry.
(Signed binary)
(Signed binary)
(Signed binary)
+C(402)
Au
Ad
R
Au: Augend word
Ad: Addend word
R: Result word
CY
+
Au
Ad
RCY
CY will turn
ON when
there is a
carry.
(Signed binary)
(Signed binary)
(Signed binary)
+CL(403)
Au
Ad
R
Au: 1st augend word
Ad: 1st addend word
R: 1st result word
Ad+1
R+1
CY
+
Au
Ad
RCY
Au+1
(Signed binary)
(Signed binary)
(Signed binary)
CY will
turn ON
when there
is a carry.