Справочник Пользователя для Hitachi H8/3692
Rev. 1.0, 07/01, page 22 of 372
Table 2-6
Bit Manipulation Instructions (1)
Instruction
Size
*
Function
BSET
B
1
→
(<bit-No.> of <EAd>)
Sets a specified bit in a general register or memory operand to 1. The bit
number is specified by 3-bit immediate data or the lower three bits of a
general register.
number is specified by 3-bit immediate data or the lower three bits of a
general register.
BCLR
B
0
→
(<bit-No.> of <EAd>)
Clears a specified bit in a general register or memory operand to 0. The
bit number is specified by 3-bit immediate data or the lower three bits of a
general register.
bit number is specified by 3-bit immediate data or the lower three bits of a
general register.
BNOT
B
¬ (<bit-No.> of <EAd>)
→
(<bit-No.> of <EAd>)
Inverts a specified bit in a general register or memory operand. The bit
number is specified by 3-bit immediate data or the lower three bits of a
general register.
number is specified by 3-bit immediate data or the lower three bits of a
general register.
BTST
B
¬ (<bit-No.> of <EAd>)
→
Z
Tests a specified bit in a general register or memory operand and sets or
clears the Z flag accordingly. The bit number is specified by 3-bit
immediate data or the lower three bits of a general register.
clears the Z flag accordingly. The bit number is specified by 3-bit
immediate data or the lower three bits of a general register.
BAND
BIAND
B
B
C
∧
(<bit-No.> of <EAd>)
→
C
ANDs the carry flag with a specified bit in a general register or memory
operand and stores the result in the carry flag.
operand and stores the result in the carry flag.
C
∧
¬ (<bit-No.> of <EAd>)
→
C
ANDs 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.
register or memory operand and stores the result in the carry flag.
The bit number is specified by 3-bit immediate data.
BOR
BIOR
B
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.
operand and stores the result in the carry flag.
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.
or memory operand and stores the result in the carry flag.
The bit number is specified by 3-bit immediate data.
Note:
*
Refers to the operand size.
B: Byte