CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 221
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.59
7.59 EXTSB (Sign Extend from Byte Data to Word Data)
Extends the byte data indicated by Ri to word data as signed binary value.
● Assembler Format
EXTSB Ri
● Operation
exts(Ri[7:0]) → Ri [byte → word]
● Flag Change
N, Z, V, C: Unchanged.
● Classification
Other instructions, Instruction with delay slot
● Execution Cycles
1 cycle
● Instruction Format
NZVC
----
MSB LSB
100101111000 Ri