CHAPTER 6 DETAILED RULES FOR EXECUTION INSTRUCTIONS
6.64ORW (OR Word Data of Accumulator and Temporary Accumulator to Accumulator)
Carry out the logical OR on the word data of A and T for every bit and return the results to A.
■ORW (OR Word Data of Accumulator and Temporary Accumulator to Accumulator)
Operation
(A) ← (A) ∨ (T) (word logical OR)
Assembler format
ORW A
Condition code (CCR)
N | Z | V | C |
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+ | + | R | - |
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+: Changed by executing instruction
R: Set to 0 by executing instruction
N:Set to 1 if the MSB of A is 1 as the result of operation and set to 0 in other cases.
Z:Set to 1 if the result of operation is 0000H and set to 0 in other cases.
V:Always set to 0
C:Not changed
Number of execution cycle: 1
Byte count: 1
OP code: 73
174
