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360 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.140
7.140 ORB (Or Byte Data of Source Register to Data in Memory)
Takes the logical OR of the byte data at memory address Ri and the byte data in Rj,
stores the results to the memory address corresponding to Ri.
● Assembler Format
ORB Rj,@Ri
● Operation
(Ri) | Rj → (Ri)
● Flag Change
N: Set when the MSB(bit7) of the operation result is "1", cleared when the MSB(bit7) 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
10010110 Rj Ri