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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 217
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.57
7.57 EORB (Exclusive Or Byte Data of Source Register to Data
in Memory)
Takes the logical exclusive OR of the byte data at memory address Ri and the byte
datain Rj, stores the results to the memory address corresponding to Ri.
● Assembler Format
EORB 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
10011110 Rj Ri