參數(shù)資料
型號: μPD789014
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 73/125頁
文件大?。?/td> 366K
代理商: ΜPD789014
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
56
XOR
Exclusive Or
Exclusive Logical Sum of Byte Data
[Instruction format]
XOR dst,src
[Operation]
dst
dst
src
[Operand]
Mnemonic
Operand (dst,src)
Mnemonic
Operand (dst,src)
XOR
A,#byte
XOR
A,!addr16
saddr,#byte
A,[HL]
A,r
A,[HL + byte]
A,saddr
[Flag]
Z
AC
CY
×
[Description]
Bit-wise exclusive logical sum is obtained from the destination operand (dst) specified with the 1st operand
and the source operand (src) specified with the 2nd operand and the result is stored in the destination
operand (dst).
Logical negation of all bits of the destination operand (dst) is possible by selecting #0FFH for the source
operand (src) with this instruction.
If the exclusive logical sum shows that all bits are 0, the Z flag is set to (1). In all other cases, the Z flag is
cleared to (0).
[Description example]
XOR A,L;
Bit-wise exclusive logical sum of the A and L registers is obtained and the result is stored in the A
register.
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