Computer Hardware User's Manual

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CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Disable Interrupt
DI
Interrupt Disabled
[Instruction format] DI
[Operation] IE ← 0
[Operand]
None
[Flag]
ZACCY
[Description]
• Maskable interrupt acknowledgment by vectored interrupt is disabled (with the interrupt enable flag (IE)
cleared (0)).
• No interrupts are acknowledged between this instruction and the next instruction.
• For details of interrupt servicing, refer to “Interrupt Functions” in the user’s manual of each product.