FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 198)

174
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.78 STH (Store Half-word Data in Register to Memory)
Stores the half-word data in "Ri" to memory address "(R14 + o8 × 2)".
The value "o8" is a signed calculation.
■
STH (Store Half-word Data in Register to Memory)
Assembler format: STH Ri, @(R14, disp9)
Operation: Ri
→
( R14 + o8 × 2)
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: a cycle(s)
Instruction format:
Example: STH R3, @(R14, 2)
N Z V C
– – – –
MSB LSB
0 1 0 1 Ri o8
12345678
R3 R3 0 0 0 0 4 3 2 1
4 3 2 1
12345678
1234567A 1234567A
1 2 3 4 5 6 7 8
0 0 0 0 4 3 2 1
R14 1 2 3 4 5 6 7 8 R14
Instruction bit pattern : 0101 0000 0001 0011
x x x x
Memory Memory
Before execution After execution