Program received signal SIGSEGV, Segmentation fault. 0x0202fcfe in address_space_specific<unsigned short, (endianness_t)0, false>::re ad_lookup (this=0x1f3c590c, byteaddress=112) at src/emu/memory.c:841 841 UINT32 read_lookup(offs_t byteaddress) const { return _Large ? m _read.lookup_live_large(byteaddress) : m_read.lookup_live_small(byteaddress); }