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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 219
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.58
7.58 EORH (Exclusive Or Halfword Data of Source Register to
Data in Memory)
Takes the logical exclusive OR of the half-word data at memory address Ri and the half-
word data in Rj, stores the results to the memory address corresponding to Ri.
● Assembler Format
EORH Rj,@Ri
● Operation
(Ri) ^ Rj → (Ri)
● Flag Change
N: Set when the MSB(bit15) 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
10011101 Rj Ri