FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 201)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.81 STB (Store Byte Data in Register to Memory)
Stores the byte data in "Ri" to memory address "(R14 + o8)".
The value "o8" is a signed calculation.
■
STB (Store Byte Data in Register to Memory)
Assembler format: STB Ri, @ (R14, disp8)
Operation: Ri
→
(R14 + o8)
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: a cycle(s)
Instruction format:
Example: STB R3, @(R14, 1)
N Z V C
– – – –
MSB LSB
0 1 1 1 Ri o8
12345678
R3 R3 0 0 0 0 0 0 2 1
2 1
12345678
12345679 12345679
1 2 3 4 5 6 7 8
0 0 0 0 0 0 2 1
R14 1 2 3 4 5 6 7 8 R14
Instruction bit pattern : 0111 0000 0001 0011
x x
Memory Memory
Before execution After execution