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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 173
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.35
7.35 DIV0U (Initial Setting Up for Unsigned Division)
This is a step division command. This command issued for unsigned division in which
multiplication division register (MDL) contains the dividend and the Ri the divisor, with
the quotient stored in the MDL and the remainder in multiplication division register
(MDH).
● Assembler Format
DIV0U Ri
● Operation
0 → D0
0 → D1
0 → MDH
The MDH and bits D0 and D1 from system condition code register (SCR) are cleared to "0".
● Flag Change
N, Z, V, C: Flags unchanged.
D1,D0: Cleared.
● Classification
Multiply/Divide Instruction
● Execution Cycles
1 cycle
● Instruction Format
N Z V C D1 D0
---- 0 0
MSB LSB
100101110101 Ri