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CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.21 CLRI (CLeaR Interrupt flag)
Set the I-flag to 0.
■ CLRI (CLeaR Interrupt flag)
Operation
(I) ← 0
Assembler format
CLRI
Condition code (CCR)
+: Changed by executing instruction
-: Not changed
R: Set to 0 by executing instruction
I: Set to 0
N: Not changed
Z: Not changed
V: Not changed
C: Not changed
Number of execution cycle: 1
Byte count: 1
OP code: 80
INZVC
R- ---