void FUN_004831c0(void)

{

  ushort *puVar1;

  ushort *puVar2;

  ushort *puVar3;

  ushort *puVar4;

  undefined1 auStack_38 [16];

  undefined1 auStack_28 [20];

  FUN_004874ec(auStack_38,FUN_004874e4,&DAT_004b7688);

  FUN_004874e4(&DAT_004b7688);

  if ((DAT_004c01a0 == 1) && (0 < DAT_004c01a4)) {

    FUN_004874ec(auStack_28,FUN_004874e4,&DAT_004b7670);

    FUN_004874e4(&DAT_004b7670);

    puVar3 = (ushort *)PTR_DAT_004b76bc;

    puVar1 = (ushort *)0x0;

    while (puVar4 = puVar1, puVar2 = puVar3, puVar2 != (ushort *)0x0) {

      puVar3 = *(ushort **)(puVar2 + 0xc);

      puVar1 = puVar2;

      if ((*puVar2 & 0x8030) == 0x30) {

        puVar1 = puVar3;

        if (puVar4 != (ushort *)0x0) {

          *(ushort **)(puVar4 + 0xc) = puVar3;

          puVar1 = (ushort *)PTR_DAT_004b76bc;

        }

        PTR_DAT_004b76bc = (undefined *)puVar1;

        puVar1 = puVar4;

        if ((*puVar2 & 0x2000) != 0) {

          FUN_004859b0();

        }

      }

    }

    FUN_004874ec(auStack_28,1);

    DAT_004c01a4 = 0;

  }

  DAT_004c01a0 = DAT_004c01a0 + -1;

  FUN_004874ec(auStack_38,1);

  return;

}