NEC 78K/0 Series User Manual page 119

EI
[Instruction format]
[Operation]
[Operand]
None
[Flag]
Z AC
[Description]
• The maskable interrupt acknowledgeable status is set (by setting the interrupt enable flag (IE) to (1)).
• No interrupts are acknowledged between this instruction and the next instruction.
• If this instruction is executed, vectored interrupt acknowledgment from another source can be disabled. For
details, refer to "Interrupt Functions" in the user's manual of each product.
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
EI
IE ← 1
CY
User's Manual U12326EJ4V0UM
Enable Interrupt
Interrupt Enabled
119