Program received signal SIGSEGV, Segmentation fault.
0x006c48cd in jangou_gfx_nibble (machine=0xad31efc, niboffset=65535)
    at src/mame/drivers/jangou.c:127
127                     return (blit_rom[(niboffset>>1)&0xffff] & 0xf0)>>4;
(gdb) bt full
#0  0x006c48cd in jangou_gfx_nibble (machine=0xad31efc, niboffset=65535)
    at src/mame/drivers/jangou.c:127
        blit_rom = (
    UINT8 *) 0x12511ffc "??? ??? ?   ??? ??? ? ???? ??   ??? ??? ?   ??? ??? ?  
 ?  ???????? ??? ??? ?????  ???  ? ? ??? ??? ??? ? ? ??  ?   ??? ??? ??  ??? ???
 ?   ??? ??? ??? ?   ??? ??? ?   ?  ???????? ? ? ??? ?????  ???? "...
#1  0x006c4ac3 in blitter_process_w (space=0x12921750, offset=5, data=255 ' ')
    at src/mame/drivers/jangou.c:181
        drawy = 0
        dat = 16 '0'
        cur_pen_hi = 72 'H'
        cur_pen_lo = 93 ']'
        drawx = 0
        count = 0
        xcount = 0
        ycount = 0
        src = 65535
        x = 0
        y = 0
        h = 256
        w = 256
        flipx = 0
#2  0x009b4c3f in write_byte_generic (space=0x12921750, byteaddress=23,
    data=255 ' ') at src/emu/memory.c:491
        handler = (const handler_data *) 0x12961db0
        byteoffset = 5
        entry = 73
#3  0x009b6410 in memory_write_byte_8le (space=0x12921750, address=65303,
    data=255 ' ') at src/emu/memory.c:3792
No locals.
#4  0x00c15a26 in op_d3 (z80=0x12d61734) at src/emu/cpu/z80/z80.c:3195
        n = 65303
#5  0x00c18994 in cpu_execute_z80 (device=0xad91f7c, cycles=2600)
    at src/emu/cpu/z80/z80.c:3527
        op = 211
        z80 = (z80_state *) 0x12d61734
#6  0x009d9e71 in cpu_execute (device=0xad91f7c, cycles=2600)
    at src/emu/cpuintrf.h:557
        classheader = (cpu_class_header *) 0x12d62fd8
#7  0x009d95a7 in cpuexec_timeslice (machine=0xad31efc)
    at src/emu/cpuexec.c:276
        delta = {seconds = 0, attoseconds = 1041666666666656}
        classdata = (cpu_class_data *) 0x12d617a8
        call_debugger = 0
        global = (cpuexec_private *) 0x129b1efc
        target = {seconds = 0, attoseconds = 1041666666666656}
        base = {seconds = 0, attoseconds = 0}
        cpu = (const device_config *) 0xad91f7c
        ran = 181608188
#8  0x009c765d in mame_execute (options=0x8041e58) at src/emu/mame.c:360
        settingsloaded = 0
        driver = (const game_driver *) 0x1ab2af0
        machine = (running_machine *) 0xad31efc
        mame = (mame_private *) 0xad41f68
        cb = (callback_item *) 0x8041e58
        gamename = (astring *) 0xad31f00
        exit_pending = 0
        error = 0
        firstgame = 0
        firstrun = 0
#9  0x00bdb66c in cli_execute (argc=5, argv=0x7fb1fec, osd_options=0x21ae990)
    at src/emu/clifront.c:171
        options = (core_options *) 0x8041e58
        gamename = (astring *) 0x8021f00
        exename = (astring *) 0x8031f00
        gamename_option = 0x8071f08 "cntrygrl"
        driver = (const game_driver *) 0x1ab2af0
        result = -1
#10 0x009618b8 in utf8_main (argc=5, argv=0x7fb1fec)
    at src/osd/windows/winmain.c:257
        ext = 0x28e86b8 ".map"
#11 0x0123f599 in main (argc=5, a_argv=0x64527f0) at src/osd/windows/main.c:72
        i = 5
        rc = 2293624
        utf8_argv = (char **) 0x7fb1fec
        argv = (TCHAR **) 0x6452860
        wenviron = (WCHAR **) 0x6455080
        startupinfo = -1