Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 142

102
Symbol Math Instructions
Section 3-9
SIGNED BINARY
SUBTRACT
WITH CARRY
–C
@–C
412
Output
Required
DOUBLE
SIGNED BINARY
WITH CARRY
–CL
@–CL
413
Output
Required
BCD SUBTRACT
WITHOUT
CARRY
–B
@–B
414
Output
Required
DOUBLE BCD
SUBTRACT
WITHOUT
CARRY
–BL
@–BL
415
Output
Required
BCD SUBTRACT
WITH CARRY
–BC
@–BC
416
Output
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
−C(412)
Mi
Su
R
Mi: Minuend word
Su: Subtrahend
word
R: Result word
CY
Mi
Su
RCY
(Signed binary)
(Signed binary)
(Signed binary)
CY will turn ON
when there is a
borrow.
Subtracts 4-digit (single-word) hexadecimal data and/or constants
with the Carry Flag (CY).
−
−CL(413)
Mi
Su
R
Mi: Minuend word
Su: Subtrahend
word
R: Result word
Mi+1
Su+1
R+1
CY
Mi
Su
RCY
Subtracts 8-digit (double-word) hexadecimal data and/or constants
with the Carry Flag (CY).
(Signed binary)
(Signed binary)
(Signed binary)
CY will turn
ON when
there is a
borrow.
−
−B(414)
Mi
Su
R
Mi: Minuend word
Su: Subtrahend
word
R: Result word
Mi
Su
RCY
(BCD)
(BCD)
(BCD)
Subtracts 4-digit (single-word) BCD data and/or constants.
CY will turn ON
when there is a
carry.
−
−BL(415)
Mi
Su
R
Mi: 1st minuend
word
Su: 1st
subtrahend word
R: 1st result word
Mi +1
Su+1
R+1CY
Mi
Su
R
(BCD)
(BCD)
(BCD)
Subtracts 8-digit (double-word) BCD data and/or constants.
CY will turn
ON when there
is a borrow.
−
−BC(416)
Mi
Su
R
Mi: Minuend word
Su: Subtrahend
word
R: Result word
CY
Mi
Su
RCY
(BCD)
(BCD)
(BCD)
CY will turn ON
when there is a
borrow.
Subtracts 4-digit (single-word) BCD data and/or constants with the
Carry Flag (CY).
−