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_map
Address RangeLengthFunctionDescription
0x0000-0x2FFF12288ROM
0x8000-0xBFFF16384RAM Write, Sharedvideoram_w, videoram
0xF800-0xF8012Device Writeaysnd, ay8910_device, address_data_w
0xF8011Device Readaysnd, ay8910_device, data_r
0xFC00-0xFFFF1024RAM
Memory Area:port_map
Address RangeLengthFunctionDescription
0x00001Read Port, Device WriteIN0, watchdog, watchdog_timer_device, reset_w
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008UnknownActive High
0x0010Coin 1Active High
0x0020TiltActive High
0x0040UnknownActive High
0x0080UnknownActive High
0x00011Read/Writecontrols_r, pix_data_w
0x00021Read/Writepix_data_r, pix_shift_w
0x00031Read Port, Write NOPIN1,
0x0001Coin 2Active High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008UnknownActive High
0x0010Button 1Active High
0x0020UnknownActive High
0x0040Start 1Active High
0x0080Start 2Active High
0x00041Read Port, WriteDSW0, system_w
0x000fCoin_AActive High
0x000f9C_1CActive High
0x000e8C_1CActive High
0x000d7C_1CActive High
0x000c6C_1CActive High
0x000b5C_1CActive High
0x000a4C_1CActive High
0x00093C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00f0Coin_BActive High
0x00f09C_1CActive High
0x00e08C_1CActive High
0x00d07C_1CActive High
0x00c06C_1CActive High
0x00b05C_1CActive High
0x00a04C_1CActive High
0x00903C_1CActive High
0x00802C_1CActive High
0x00001C_1CActive High
0x00101C_2CActive High
0x00201C_3CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0x00051Read Port, WriteDSW1, graph_control_w
0x0001CabinetActive High
0x0001UprightActive High
0x0000CocktailActive High
0x0004OffActive High
0x0000OnActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048kb05.9kCRC(4b4d9569) (Fluke: 6CAB)
0x0800-0x0FFF2048kb06.7kCRC(d89ba78b) (Fluke: 7456)
0x1000-0x17FF2048kb07.6kCRC(9fb5db1a) (Fluke: C0DD)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096kb01.6hCRC(dd5d411a) (Fluke: B407)
0x1000-0x1FFF4096kb02.5hCRC(75d3c45f) (Fluke: 5B9C)
0x2000-0x2FFF4096kb03.3hCRC(955fbfb8) (Fluke: 6250)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024kb08.7mCRC(e949e441) (Fluke: F23C)
0x0400-0x07FF1024kb09.6mCRC(e29191a6) (Fluke: 49AC)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096kb04.10kCRC(1c27adc1) (Fluke: 6651)
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