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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 67/125頁
文件大小: 366K
代理商: ΜPD789014
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
50
ADD
Add
Byte Data Addition
[Instruction format]
ADD dst,src
[Operation]
dst,CY
dst + src
[Operand]
Mnemonic
Operand (dst,src)
Mnemonic
Operand (dst,src)
ADD
A,#byte
ADD
A,!addr16
saddr,#byte
A,[HL]
A,r
A,[HL + byte]
A,saddr
[Flag]
Z
AC
CY
×
×
×
[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 CY flag and the destination operand (dst).
If the addition result shows that dst is 0, the Z flag is set to (1). In all other cases, the Z flag is cleared to (0).
If the addition generates a carry out of bit 7, the CY flag is set to (1). In all other cases, the CY flag is cleared
to (0).
If the addition generates a carry for bit 4 out of bit 3, the AC flag is set to (1). In all other cases, the AC flag is
cleared to (0).
[Description example]
ADD CR10,#56H; 56H is added to the CR10 register and the result is stored in the CR10 register.
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