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Signed Divide                                    Flags:  O D I T S Z A P C
Syntax:  IDIV src                                        ═════════════════
                                                         ?       ? ? ? ? ?
 
  Divides an implied destination operand by a specified source operand.
  Both operands are treated as signed numbers. If the source (divisor) is
  16 bits wide, then the implied destination (dividend) is the DX:AX
  register pair. The quotient goes into AX and the remainder into DX.
  If the source is 8 bits wide, the implied destination is AX. The
  quotient goes into AL and the remainder into AH.
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