參數(shù)資料
型號: μPD703008
廠商: NEC Corp.
英文描述: 16/32 Bit RISC Microcontrollers(16/32位RISC微控制器)
中文描述: 16/32位RISC微控制器(16/32位的RISC微控制器)
文件頁數(shù): 56/141頁
文件大?。?/td> 374K
代理商: ΜPD703008
CHAPTER 5 INSTRUCTION
44
DI
Disable Interrupt
Instruction format
DI
Operation
PSW.ID
1 (Disables maskable interrupt)
Format
Format X
Op code
15
0 31
16
0000011111100000 0000000101100000
Flag
CY
OV
S
Z
SAT
ID
1
Instruction
DI Disable Interrupt
Explanation
Sets the ID flag of the PSW to 1 to disable the acknowledgement of maskable interrupts during
executing this instruction.
Remark
Interrupts are not sampled during execution of this instruction. The ID flag actually becomes
valid at the start of the next instruction. But because interrupts are not sampled during
instruction execution, interrupts are immediately disabled. Non-maskable interrupts are not
affected by this instruction.
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