Omron CS1G/H-CPUxxH Instructions Manual page 70

Instruction Functions
Instruction Symbol/Operand
Mnemonic
Code
DOUBLE BCD
+BL(405)
ADD WITHOUT
CARRY
+BL
@+BL
405
Au: 1st augend
word
Ad: 1st addend
word
R: 1st result word
BCD ADD WITH
+BC(406)
CARRY
+BC
@+BC
406
Au: Augend word
Ad: Addend word
R: Result word
DOUBLE BCD
+BCL(407)
ADD WITH
CARRY
+BCL
@+BCL
407
Au: 1st augend
word
Ad: 1st addend
word
R: 1st result word
SIGNED BINARY
−(410)
SUBTRACT
WITHOUT
CARRY
–
@–
410
Mi: Minuend word
Su: Subtrahend
word
R: Result word
DOUBLE
−L(411)
SIGNED BINARY
SUBTRACT
WITHOUT
CARRY
–L
@–L
411
Mi: Minuend word
Su: Subtrahend
word
R: Result word
Adds 8-digit (double-word) BCD data and/or constants.
Au
Ad
R
CY will turn
ON when there
is a carry.
Adds 4-digit (single-word) BCD data and/or constants with the Carry
Flag (CY).
Au
Ad
R
CY will turn
ON when there
is a carry.
Adds 8-digit (double-word) BCD data and/or constants with the Carry
Flag (CY).
Au
Ad
R
CY will turn
CY
ON when there
is a carry.
Subtracts 4-digit (single-word) hexadecimal data and/or constants.
Mi
Su
R
CY will turn ON
when there is a
borrow.
Subtracts 8-digit (double-word) hexadecimal data and/or constants.
Mi
Su
−
R
CY will turn
ON when
CY
there is a
borrow.
Function
Au +1 Au
Ad+1 Ad
+
CY R+1 R
(BCD)
Au
(BCD)
Ad
CY
+
(BCD)
CY R
Au+1 Au
Ad+1 Ad
CY
+
R+1 R
(Signed binary)
Mi
−
(Signed binary)
Su
(Signed binary)
CY R
Mi+1 Mi
Su+1 Su
R+1 R
Section 2-2
Location
Execution
condition
Output
Required
(BCD)
(BCD)
(BCD)
Output
Required
Output
Required
(BCD)
(BCD)
(BCD)
Output
Required
Output
Required
(Signed binary)
(Signed binary)
(Signed binary)
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