FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 151)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
Example: MULUH R2, R3
MDH
MDL
N Z V C
CCR CCR 0 0 0 0
N Z V C
0 0 0 0
R2
R3
F E D C B A 9 8
0 1 2 3 4 5 6 7
MDH
MDL
R2
R3
F E D C B A 9 8
3 2 9 6 0 B 2 8
0 1 2 3 4 5 6 7
x x x x x x x x
x x x x x x x x x x x x x x x x
Before execution After execution
Instruction bit pattern : 1011 1011 0010 0011