2.2.14 BLD
BLD (Bit LoaD)
Bit Load
Operation
(<Bit No.> of <EAd>)
→
C
Assembly-Language Format
BLD
#xx:3, <EAd>
Operand Size
Byte
Condition Code
H: Previous value remains unchanged.
N: Previous value remains unchanged.
Z:
Previous value remains unchanged.
V: Previous value remains unchanged.
C: Loaded from the specified bit.
I
UI
H
U
N
Z
V
C
—
—
—
—
—
—
—
↕
Description
This instruction loads a specified bit from the destination operand into the carry bit. The bit
number is specified by 3-bit immediate data. The destination operand contents remain unchanged.
Available Registers
Rd:
R0L to R7L, R0H to R7H
ERd: ER0 to ER7
Operand Format and Number of States Required for Execution
Note:
*
The addressing mode is the addressing mode of the destination operand <EAd>.
Notes
For the @aa:8 access range, refer to the relevant microcontroller hardware manual.
Specified by #xx:3
C
0
7
Bit No.
<EAd>
Instruction Format
1st byte
2nd byte
3rd byte
4th byte
Register direct
BLD
#xx:3,Rd
7
7
0 IMM
rd
2
Register indirect
BLD
#xx:3,@ERd
7
C
0 erd
0
7
7
0 IMM
0
6
Absolute address
BLD
#xx:3,@aa:8
7
E
abs
7
7
0 IMM
0
6
No. of
States
Addressing
Mode
*
Mnemonic
Operands
61