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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 181
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.39
7.39 DIV4S (Correction Answer for Signed Division)
This is a step division instruction used for signed division.
● Assembler Format
DIV4S
● Operation
if (D1==1) {
0 - MDL → MDL
}
● Flag Change
N, Z, V, C: Unchanged.
● Classification
Multiply/Divide Instruction
● Execution Cycles
1 cycle
● Instruction Format
NZVC
----
MSB LSB
1001111101110000