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Microprocessors & Microcontrollers8085 Interrupts

The 8085 instruction DI is used to?

  • ADisable maskable interrupts
  • BDisable TRAP permanently
  • CDecrease the accumulator
  • DDisable the address bus
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Correct Answer: A. Disable maskable interrupts
Explanation: DI disables maskable interrupts; it does not disable the non-maskable TRAP input.
Reference: Standard microprocessors and microcontrollers: 8085 interrupts
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