KiOpFetchNextByte

NTSTATUS __stdcall KiOpFetchNextByte(INT64 a1, _BYTE *a2){
  _BYTE *v2; 

  v2 = *(_BYTE **)(a1 + 16);
  if( v2 == *(_BYTE **)(a1 + 8) )
    return -1073741823;
  *a2 = *v2;
  ++*(_QWORD *)(a1 + 16);
  return 0;
}

Referenced by:

KiOpDecode
KiOpDecodeModRM
KiOpFetchBytes
KiOpLocateDecodeEntry