2.2.1 (2) ADD (W)
ADD (ADD binary)
Add Binary
Operation
Rd + (EAs)
→
Rd
Assembly-Language Format
ADD.W
<EAs>, Rd
Operand Size
Word
Condition Code
H: Set to 1 if there is a carry at bit 11;
otherwise cleared to 0.
N: Set to 1 if the result is negative; otherwise
cleared to 0.
Z:
Set to 1 if the result is zero; otherwise
cleared to 0.
V: Set to 1 if an overflow occurs; otherwise
cleared to 0.
C: Set to 1 if there is a carry at bit 15;
otherwise cleared to 0.
I
UI
H
U
N
Z
V
C
—
—
↕
—
↕
↕
↕
↕
Description
This instruction adds the source operand to the contents of a 16-bit register Rd (destination
operand) and stores the result in the 16-bit register Rd.
Available Registers
Rd:
R0 to R7, E0 to E7
Rs:
R0 to R7, E0 to E7
Operand Format and Number of States Required for Execution
Notes
Instruction Format
1st byte
2nd byte
3rd byte
4th byte
Immediate
ADD.W
#xx:16, Rd
7
9
1
rd
IMM
4
Register direct
ADD.W
Rs, Rd
0
9
rs
rd
2
No. of
States
Addressing
Mode
Mnemonic
Operands
43