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:main_io_map
Address RangeLengthFunctionDescription
0x00001Device Readwatchdog, watchdog_timer_device, reset_r
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(/* rom */)
0x8000-0x87FF2048RAM(/* ram */)
0x8800-0x8BFF1024RAM Write, Sharedvideoram_w, videoram (/* video ram */)
0x9000-0x97FF2048RAM Write, Sharedbg_videoram_w, bg_videoram (/* background ram */)
0x9800-0x98FF256RAM, Sharedspriteram (/* sprite ram */)
0xA0001Read PortINPUTS
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x0004Joystick DownActive High
0x0008Joystick UpActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080Button 3Active High
0xA8001Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Start 1Active High
0x0008Start 2Active High
0x0010UnknownActive High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xB0001Writenmi_enable_w (/* nmi enable */)
0xB0001Read PortDSW
0x00002C_1CActive High
0x00011C_1CActive High
0x00021C_2CActive High
0x00031C_3CActive High
0x00041C_4CActive High
0x00051C_5CActive High
0x00061C_6CActive High
0x00071C_7CActive High
0x00003Active High
0x00105Active High
0x000020,000 & 100,000Active High
0x002050,000 & 200,000Active High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0xB0031Writesound_reset_w (/* sound reset ? */)
0xB8001Device Writesoundlatch, generic_latch_8_device, write (/* sound write */)
0xB8001Read NOP(/* NMI ack? */)
0xC8001Writescroll_x_lsb_w
0xC8011Writescroll_x_msb_w
0xC8021Writescroll_y_w
0xC8031Write NOP(/* ???? bit 0 used only */)
0xC8041Write NOP(/* ???? not used */)
Memory Area:sound_io_map
Address RangeLengthFunctionDescription
0x00001Device Writesoundlatch, generic_latch_8_device, clear_w
0x008C-0x008D2Device Read/Writeay1, ay8910_device, data_r, address_data_w
0x008E-0x008F2Device Read/Writeay2, ay8910_device, data_r, address_data_w
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x3800-0x3BFF1024RAM
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096pg4.binCRC(b1cc2fe8) (Fluke: 934D)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pg8.binCRC(e8779658) (Fluke: D5B9)
0x2000-0x3FFF8192pg7.binCRC(5dcf6b6f) (Fluke: 6E89)
0x4000-0x5FFF8192pg6.binCRC(f21d2a08) (Fluke: E944)
0x6000-0x7FFF8192pg9.binCRC(052ab4ac) (Fluke: F82F)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3235.binCRC(8c5ca730) (Fluke: 4ECE)
0x0020-0x003F3248.binCRC(12dd62cd) (Fluke: 9C36)
0x0040-0x005F3257.binCRC(18455a79) (Fluke: C4F1)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pg1.binCRC(155c8f7f) (Fluke: 51C9)
0x2000-0x3FFF8192pg2.binCRC(a6ca4dfc) (Fluke: CB5B)
0x4000-0x5FFF8192pg3.binCRC(2b21c2fb) (Fluke: 58B5)
Memory Area:tiles_1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096pg11.binCRC(bd8462e4) (Fluke: 0181)
0x1000-0x1FFF4096pg10.binCRC(c4bbf0b8) (Fluke: D586)
Memory Area:tiles_2
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096pg13.binCRC(25ec45be) (Fluke: 695C)
0x1000-0x1FFF4096pg12.binCRC(c837c5f5) (Fluke: 894F)
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