NEC 78K/0S Series User Manual page 75

ADDW
[Instruction format]
[Operation]
[Operand]
Mnemonic
ADDW AX, #word
[Flag]
Z AC
× ×
[Description]
•
The destination operand (dst) specified with the 1st operand is added to the source operand (src) specified
with the 2nd operand and the result is stored in the destination operand (dst).
•
If the addition result shows that dst is 0, the Z flag is set (1). In all other cases, the Z flag is cleared (0).
•
If the addition generates a carry from bit 15, the CY flag is set (1). In all other cases, the CY flag is cleared
(0).
•
As a result of addition, the AC flag becomes undefined.
[Description example]
ADDW AX, #0ABCDH; ABCDH is added to the AX register and the result is stored in the AX register.
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
ADDW dst, src
dst, CY ← dst + src
Operand (dst, src)
CY
×
User's Manual U11047EJ3V0UM00
Add Word
Word Data Addition
75