NEC 78K/0 Series 用户手册
68
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Multiply Unsigned
MULU
Unsigned Multiplication of Data
[Instruction format]
MULU src
[Operation]
AX
← A × src
[Operand]
Mnemonic
Operand(src)
MULU
X
[Flag]
Z
AC
CY
[Description]
•
The A register contents and the source operand (src) data are multiplied as unsigned data and the result
is stored in the AX register.
[Description example]
MULU X;
The A register contents and the X register contents are multiplied and the result is stored in the AX
register.