Omron CP1E CPU UNIT SOFTWARE - Page 374

Appendices
A-20
CP1E CPU Unit Software User’s Manual(W480)
SIGNED
BINARY SUB-
TRACT WITH
CARRY
− C @ Subtracts 4-digit (single-word) hexadecimal data and/or constants
with the Carry Flag (CY).
DOUBLE
SIGNED
BINARY WITH
CARRY
− CL @ Subtracts 8-digit (double-word) hexadecimal data and/or con-
stants with the Carry Flag (CY).
BCD SUB-
TRACT WITH-
OUT CARRY
− B @ Subtracts 4-digit (single-word) BCD data and/or constants.
DOUBLE BCD
SUBTRACT
WITHOUT
CARRY
− BL @ Subtracts 8-digit (double-word) BCD data and/or constants.
BCD SUB-
TRACT WITH
CARRY
− BC @ Subtracts 4-digit (single-word) BCD data and/or constants with the
Carry Flag (CY).
DOUBLE BCD
SUBTRACT
WITH CARRY
− BCL @ Subtracts 8-digit (double-word) BCD data and/or constants with
the Carry Flag (CY).
Instruction Mnemonic Variations Symbol/Operand Function
−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.
−
−CL(413)
Mi
Su
R
Mi: Minuend word
Su: Subtrahend word
R: Result word
Mi+1
Su+1
R+1
CY
Mi
Su
RCY
(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)
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)
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.
−
−BCL(417)
Mi
Su
R
Mi: 1st minuend word
Su: 1st subtrahend word
R: 1st result word
Mi +1
Su+1
R+1
CY
Mi
Su
RCY
(BCD)
(BCD)
(BCD)
CY will turn
ON when
there is a
borrow.
−