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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 213
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.55
7.55 EOR (Exclusive Or Word Data of Source Register to Data in
Memory)
Takes the logical exclusive 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
EOR 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
10011100 Rj Ri