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356 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.138
7.138 OR (Or Word Data of Source Register to Data in Memory)
Takes the logical OR of the word data at memory address Ri and the word data in Rj,
stores the results to the memory address corresponding to Ri.
● Assembler Format
OR Rj,@Ri
● Operation
(Ri) | Rj → (Ri)
● Flag Change
N: Set when the MSB of the operation result is "1", cleared when the MSB is "0".
Z: Set when the operation result is zero, cleared otherwise.
V, C: Unchanged.
● Classification
Logical Calculation instruction, Read/Modify/Write type instruction
● Execution Cycles
1+2a cycles
● Instruction Format
NZV C
CC - -
MSB LSB
10010100 Rj Ri