Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
Memory Area:maincpu_io_map
Address RangeLengthFunctionDescription
0x0000-0x000F16Read PortINPUT1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Button 4Active Low
0x0010-0x001F16Read PortINPUT2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Button 4Active Low
0x0020-0x002F16Read PortSYSTEM
0x0001Coin 1Active Low
0x0004Start 1Active Low
0x0008Start 2Active Low
0x00f2UnusedActive Low
0x00301Readsubcpu_halt_set
0x00311Readsubcpu_halt_clear
0x00321Readsubcpu_comm_status
0x00331Readsoundcpu_status_r
0x0040-0x004F16Device Writesoundlatch, generic_latch_8_device, write
0x00501Writebank_w
0x0060-0x00612Mirror, Device Read/Write0x02, ymsnd, ym2203_device, read, write
0x0070-0x00734Device Read/Writev9938, v9938_device, read, write
Memory Area:maincpu_mem_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xC7FF2048RAM, Mirror, Shared0x1800, share1
0xE000-0xFFFF8192RAM
Memory Area:soundcpu_io_map
Address RangeLengthFunctionDescription
0x00001Device Readsoundlatch, generic_latch_8_device, read
0x00011Writemsm_data_w
0x00021Writemsm_cfg_w
0x00031Writesoundcpu_busyflag_set_w
0x00041Writesoundcpu_busyflag_reset_w
0x00051Writesoundcpu_int_clear_w
Memory Area:soundcpu_mem_map
Address RangeLengthFunctionDescription
0x0000-0xDFFF57344ROM
0xF800-0xFFFF2048RAM
Memory Area:subcpu_mem_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192Read/Writesubcpu_status_r,subcpu_status_w
0x2000-0x77FF22528RAM
0x7800-0x7FFF2048RAM, Sharedshare1 (/* upper 0x800 of 6264 is shared with main cpu */)
0x8000-0xFFFF32768ROM
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327683.7cCRC(47f97bd4) (Fluke: B530)
0x8000-0xFFFF327684.8cCRC(a98414e9) (Fluke: 7025)
0x10000-0x17FFF327685.9cCRC(e5b5d61e) (Fluke: E6D1)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327681.7aCRC(6951536a) (Fluke: 76EF)
0x8000-0xFFFF327682.8aCRC(9c535317) (Fluke: 41FE)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF327686.7fCRC(ee80fc78) (Fluke: 09B8)
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