Program received signal SIGSEGV, Segmentation fault.
0x01e235bc in thedeep_protection_w (space=0x251d885c, offset=0, data=89 'Y')
    at src/mame/drivers/thedeep.c:121
121 state->m_protection_data = space->machie().region("cpu3")->base() 0x185+state->m_protection_index++];

#0 0x01e235bc in thedeep_protection_w (space=0x251d885c, offset=0,
    data=89 'Y') at src/mame/drivers/thedeep.c:121
#1 0x0264dc46 in handler_entry_write::write_stub_legacy (this=0x2523cbfc,
    space=..., offset=0, data=89 'Y', mask=255 ' ') at src/emu/memory.c:5871
#2 0x03149d82 in delegate_base<void, address_space&, unsigned int, unsigned chr, unsigned char, _noparam>::operator() (this=0x2523cca4, p1=..., p2=0, p3=89 'Y', p4=255 ' ') at src/emu/delegate.h:602
#3 0x03156be1 in handler_entry_write::write8 (this=0x2523cbfc, space=...,
    offset=0, data=89 'Y', mask=255 ' ') at src/emu/memory.c:699
#4 0x030ca112 in address_space_specific<unsigned char, (endianness_t)0, false>:write_native (this=0x251d885c, offset=0, data=89 'Y')
    at src/emu/memory.c:1346
#5 0x030c8f1e in address_space_specific<unsigned char, (endianness_t)0, false>:write_byte (this=0x251d885c, address=57344, data=89 'Y')
    at src/emu/memory.c:1618
#6 0x01f65ede in op_32 (z80=0x23df1f70) at src/emu/cpu/z80/z80.c:2993
#7 0x01f6b178 in cpu_execute_z80 (device=0x267a84)
    at src/emu/cpu/z80/z80.c:3636
#8 0x029bda89 in legacy_cpu_device::execute_run (this=0x267a84)
    at src/emu/devcpu.c:260
#9 0x030e92f4 in device_execute_interface::run (this=0x267bec)
    at src/emu/diexec.h:207
#10 0x0262f339 in device_scheduler::timeslice (this=0x22f2f0)
    at src/emu/schedule.c:487
#11 0x026334fc in running_machine::run (this=0x22ee68, firstrun=true)
    at src/emu/machine.c:415
#12 0x026155f4 in mame_execute (options=..., osd=...) at src/emu/mame.c:176
#13 0x0299eb2a in cli_frontend::execute (this=0x22fe98, argc=4, argv=0x3f4ac8)
    at src/emu/clifront.c:249
#14 0x01ed219d in utf8_main (argc=4, argv=0x3f4ac8)
    at src/osd/windows/winmain.c:482
#15 0x02bdecf2 in wmain (argc=4, argv=0x3f44d0) at src/osd/windows/main.c:82
#16 0x00401422 in __tmainCRTStartup () at ../mingw-w64-crt/crt/crtexe.c:282
#17 0x7c817077 in RegisterWaitForInputIdle ()
   from C:\WINDOWS\system32\kernel32.dll