CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 133
FR81 Family CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.15
7.15 ASR (Arithmetic shift to the Right Direction)Makes an arithmetic right shift of the word data in Ri by u4 bits, stores the result to Ri.
●Assembler Format
ASR #u4, Ri
●Operation
Ri >> u4 → 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: Unchanged.
C: Holds the bit value shifted last. Cleared when the shift amount is "0".
●Classification
Shift instruction, Instruction with delay slot
●Execution Cycles
1 cycle
●Instruction Format
NZVC
CC - C
MSB LSB
10111000 u4 Ri