int __fastcall merit_cmd06(void *ctx, struct ta_params *params)
{
  int v2; // r0
  int v3; // r0

  v2 = *((_DWORD *)ctx + 4);
  if ( (unsigned int)(v2 - 1) > 0x3F )
    return 259;
  v3 = 257 * v2;
  if ( *((_BYTE *)off_401CE0 + v3) == 0 )
    return 259;
  if ( *((_BYTE *)off_401CE0 + v3) == 1 )
    merit_lib_zero_fill_bytes(dst: (char *)off_401CE0 + v3, len: 0x101u);
  return 0;
}