Omron CS1G/H-CPUxxH Instructions Manual page 71

Instruction Functions
Instruction Symbol/Operand
Mnemonic
Code
SIGNED BINARY
−C(412)
SUBTRACT
WITH CARRY
–C
@–C
412
Mi: Minuend word
Su: Subtrahend
word
R: Result word
DOUBLE
−CL(413)
SIGNED BINARY
WITH CARRY
–CL
@–CL
413
Mi: Minuend word
Su: Subtrahend
word
R: Result word
BCD SUBTRACT
−B(414)
WITHOUT
CARRY
–B
@–B
414
Mi: Minuend word
Su: Subtrahend
word
R: Result word
DOUBLE BCD
−BL(415)
SUBTRACT
WITHOUT
CARRY
–BL
@–BL
415
Mi: 1st minuend
word
Su: 1st
subtrahend word
R: 1st result word
BCD SUBTRACT
−BC(416)
WITH CARRY
–BC
@–BC
416
Mi: Minuend word
Su: Subtrahend
word
R: Result word
50
Subtracts 4-digit (single-word) hexadecimal data and/or constants
with the Carry Flag (CY).
Mi
Su
R
CY will turn
ON when there
is a borrow.
Subtracts 8-digit (double-word) hexadecimal data and/or constants
with the Carry Flag (CY).
Mi
Su
R
−
CY will turn
ON when
there is a
CY
borrow.
Subtracts 4-digit (single-word) BCD data and/or constants.
Mi
Su
R
CY will turn
ON when there
is a carry.
Subtracts 8-digit (double-word) BCD data and/or constants.
Mi
Su
R
CY will turn
ON when there
is a borrow.
Subtracts 4-digit (single-word) BCD data and/or constants with the
Carry Flag (CY).
Mi
Su
R
CY will turn
ON when there
is a borrow.
Function
(Signed binary)
Mi
(Signed binary)
Su
−
CY
(Signed binary)
CY R
Mi+1 Mi
Su+1 Su
CY
R+1 R
(BCD)
Mi
(BCD)
− Su
(BCD)
CY R
Mi +1 Mi
Su+1 Su
−
CY R+1 R
(BCD)
Mi
(BCD)
Su
−
CY
(BCD)
CY R
Section 2-2
Location
Execution
condition
Output
Required
Output
Required
(Signed binary)
(Signed binary)
(Signed binary)
Output
Required
Output
Required
(BCD)
(BCD)
(BCD)
Output
Required
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