FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 268)

244
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.127 EXTSH (Sign Extend from Byte Data to Word Data)
Extends the half-word data indicated by "Ri" to word data as a signed binary value.
■
EXTSH (Sign Extend from Byte Data to Word Data)
Assembler format: EXTSH Ri
Operation: exts (Ri)
→
Ri (half-word
→
word)
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 1 cycle
Instruction format:
Example: EXTSH R1
N Z V C
– – – –
MSB LSB
1 0 0 1 0 1 1 1 1 0 1 0 Ri
R1 0 0 0 0 A B C D R1 F F F F A B C D
Before execution After execution
Instruction bit pattern : 1001 0111 1010 0001