Fujitsu FR Family Instruction Manual page 237

Example: DMOVB @71H, @R13+
Instruction bit pattern :
0000 1110 0111 0001
R13 8 8 0 0 1 2 3 4
Memory
00000071 9 9
88001234
x x
88001235 x x
Before execution
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
R13
00000071
88001234
88001235
8 8 0 0 1 2 3 5
Memory
9 9
9 9
x x
After execution
221