CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 147
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.22
7.22 BEORL (Eor 4bit Immediate Data to Lower 4bit of Byte Data
in Memory)
Takes the logical exclusive OR of the 4-bit immediate data and the lower 4 bits of byte
data at memory address Ri, stores the results to the memory address corresponding to
Ri.
● Assembler Format
BEORL #u4,@Ri
● Operation
(Ri) ^ u4 → (Ri) [Operation uses lower 4 bits only]
● Flag Change
N, Z, V, C: Unchanged.
● Classification
Bit Operation instruction, Read/Modify/Write type instruction
● Execution Cycles
1+2a cycles
● Instruction Format
NZVC
----
MSB LSB
10011000 u4 Ri