CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.19 CLRB (Clear direct Memory Bit)
Set the contents of 1 bit (indicated by 3 lower bits (b) of mnemonic) of the direct area to 0.
■CLRB (Clear direct Memory Bit)
Operation
(dir:b) ← 0
Assembler format
CLRB dir:b
Condition code (CCR)
N | Z | V | C |
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- | - | - | - |
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+: Changed by executing instruction
N:Not changed
Z:Not changed
V:Not changed
C:Not changed
Number of execution cycles: 4
Byte count: 2
OP code: A0 to A7
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