參數(shù)資料
型號: μPD70F3003
廠商: NEC Corp.
英文描述: 16/32 Bit Single Chip Microcontrollers(16/32 位單片微控制器)
中文描述: 16/32位單片機(jī)微控制器(16/32位單片微控制器)
文件頁數(shù): 95/141頁
文件大?。?/td> 374K
代理商: ΜPD70F3003
83
CHAPTER 5 INSTRUCTION
SUB
Subtract
Instruction format
SUB reg1, reg2
Operation
GR [reg2]
GR [reg2] – [reg1]
Format
Format I
Op code
15
0
rrrrr001101RRRRR
Flag
CY
OV
S
Z
SAT
1 if a borrow to MSB occurs; otherwise, 0.
1 if Overflow occurs; otherwise, 0.
1 if the result of an operation is negative; otherwise, 0.
1 if the result of an operation is 0; otherwise, 0.
Instruction
SUB Subtract
Explanation
Subtracts the word data of general register reg1 from the word data of general register reg2,
and stores the result to general register reg2. The data of general register reg1 is not affected.
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