X86-assembly/Instructions/idiv
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Description
- The idiv instruction divides the contents of the 64-bit integer EDX:EAX by the specified operand value.
- The quotient result of the division is stored into EAX
- The remainder is placed in EDX.
Syntax
idiv <reg32> idiv <mem>
Examples
idiv ebx ; EDX:EAX / EBX. Quotient saved to EAX, remainder in EDX
idiv DWORD PTR [var] ; EDX:EAX / 32-bit value stored at memory location var. Quotient in EAX, remainder in EDX