Table 1-3 Instructions Classified by Function (cont)
Type
Instruction
Size
*
Function
BOR
B
C
∨
(<bit-No.> of <EAd>)
→
C
ORs the carry flag with a specified bit in a general
register or memory operand and stores the result in the
carry flag.
BIOR
B
C
∨
[¬ (<bit-No.> of <EAd>)]
→
C
ORs the carry flag with the inverse of a specified bit in a
general register or memory operand and stores the
result in the carry flag.
The bit number is specified by 3-bit immediate data.
BXOR
B
C
⊕
(<bit-No.> of <EAd>)
→
C
Exclusive-ORs the carry flag with a specified bit in a
general register or memory operand and stores the
result in the carry flag.
BIXOR
B
C
⊕
[¬ (<bit-No.> of <EAd>)]
→
C
Exclusive-ORs the carry flag with the inverse of a
specified bit in a general register or memory operand
and stores the result in the carry flag.
The bit number is specified by 3-bit immediate data.
BLD
B
(<bit-No.> of <EAd>)
→
C
Transfers a specified bit in a general register or
memory operand to the carry flag.
BILD
B
¬ (<bit-No.> of <EAd>)
→
C
Transfers the inverse of a specified bit in a general
register or memory operand to the carry flag.
The bit number is specified by 3-bit immediate data.
BST
B
C
→
(<bit-No.> of <EAd>)
Transfers the carry flag value to a specified bit in a
general register or memory operand.
BIST
B
¬ C
→
(<bit-No.> of <EAd>)
Transfers the inverse of the carry flag value to a
specified bit in a general register or memory operand.
The bit number is specified by 3-bit immediate data.
Note:
*
Size refers to the operand size.
B: Byte
Bit-manipulation
instructions
23