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
0x0000-0x3FFFF262144ROM
0x80000-0x80FFF4096RAM Write, Sharedfg0_videoram_w, fg0_videoram (/* FG0 Ram */)
0xC0000-0xC0FFF4096RAM Write, Sharedbg0_videoram_w, bg0_videoram (/* BG0 Ram */)
0x100000-0x1003FF1024RAM, Sharedspriteram (/* SPR Ram */)
0x140000-0x140FFF4096Device Write, Sharedpalette, palette_device, write, palette
0x180000-0x1800034Writeirqack_w
0x180000-0x1800012Read PortDSW1
0x0007Coin_AActive High
0x0038Coin_BActive High
0x0080Flip_ScreenActive High
0x0080OffActive High
0x0000OnActive High
0x180002-0x1800032Read PortDSW2
0x0003DifficultyActive High
0x0001EasyActive High
0x0003NormalActive High
0x0002HardActive High
0x0000HardestActive High
0x0004Demo_SoundsActive High
0x0000OffActive High
0x0004OnActive High
0x0008NormalActive High
0x0000HardActive High
0x0020+2:30Active High
0x0030DefaultActive High
0x0010-2:30Active High
0x0000-5:00Active High
0x0080NoActive High
0x0000YesActive High
0x180004-0x1800074Writescroll_w
0x180004-0x1800052Read PortP1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080Button A (1P VS CPU - Power UpActive Low
0x180006-0x1800072Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button C (1P/2P VS CPUActive Low
0x0080Button B (1P VS 2P - Buy-inActive Low
0x180008-0x1800092Read PortSYSTEM
0x0001SpecialActive High
0x0002Coin 1Active Low
0x0004Coin 2Active Low
0x0008Service 1Active Low
0x0010UnusedActive Low
0x0020UnusedActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x180008-0x1800092Writesound_w
0x18000A-0x18000B2Writeflipscreen_w
0x1C0000-0x1C3FFF16384RAM(/* Work Ram */)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0x8800-0x88012Device Read/Writeymsnd, ym2151_device, read, write
0x98001Device Read/Writeoki, okim6295_device, read, write
0xA0001Device Readsoundlatch, generic_latch_8_device, read
 

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
0x0000-0x7FFF3276824ab-0.12CRC(1e44f8aa) (Fluke: 6B4B)
0x0000-0x7FFF3276824ab-0.12CRC(1e44f8aa) (Fluke: 6B4B)
0x0000-0x7FFF3276824ab-0.12CRC(1e44f8aa) (Fluke: 6B4B)
0x0000-0x7FFF3276824ab-0.12CRC(1e44f8aa) (Fluke: 6B4B)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107224aa-0.58CRC(cb12ba40) (Fluke: C07D)
0x0000-0x1FFFF13107224aa-0.58CRC(cb12ba40) (Fluke: C07D)
0x0000-0x1FFFF13107224aa-0.58CRC(cb12ba40) (Fluke: C07D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288c951.114CRC(fa76d1f0) (Fluke: 7A0F)
0x0000-0x7FFFF524288c951.114CRC(fa76d1f0) (Fluke: 7A0F)
0x0000-0x7FFFF524288c951.114CRC(fa76d1f0) (Fluke: 7A0F)
0x0000-0x7FFFF524288c951.114CRC(fa76d1f0) (Fluke: 7A0F)
0x80000-0xBFFFF26214424j4-0.115CRC(c4a589a3) (Fluke: 53AA)
0x80000-0xBFFFF26214424j4-0.115CRC(c4a589a3) (Fluke: 53AA)
0x80000-0xBFFFF26214424j4-0.115CRC(c4a589a3) (Fluke: 53AA)
0x80000-0xBFFFF26214424j4-0.115CRC(c4a589a3) (Fluke: 53AA)
0xC0000-0xFFFFF26214424j5-0.116CRC(d6bca436) (Fluke: 84DE)
0xC0000-0xFFFFF26214424j5-0.116CRC(d6bca436) (Fluke: 84DE)
0xC0000-0xFFFFF26214424j5-0.116CRC(d6bca436) (Fluke: 84DE)
0xC0000-0xFFFFF26214424j5-0.116CRC(d6bca436) (Fluke: 84DE)
0x100000-0x17FFFF524288c950.117CRC(cca5703d) (Fluke: A877)
0x100000-0x17FFFF524288c950.117CRC(cca5703d) (Fluke: A877)
0x100000-0x17FFFF524288c950.117CRC(cca5703d) (Fluke: A877)
0x100000-0x17FFFF524288c950.117CRC(cca5703d) (Fluke: A877)
0x180000-0x1BFFFF26214424j2-0.118CRC(dc1b7600) (Fluke: 2E73)
0x180000-0x1BFFFF26214424j2-0.118CRC(dc1b7600) (Fluke: 2E73)
0x180000-0x1BFFFF26214424j2-0.118CRC(dc1b7600) (Fluke: 2E73)
0x180000-0x1BFFFF26214424j2-0.118CRC(dc1b7600) (Fluke: 2E73)
0x1C0000-0x1FFFFF26214424j3-0.119CRC(3ba12d43) (Fluke: 26FB)
0x1C0000-0x1FFFFF26214424j3-0.119CRC(3ba12d43) (Fluke: 26FB)
0x1C0000-0x1FFFFF26214424j3-0.119CRC(3ba12d43) (Fluke: 26FB)
0x1C0000-0x1FFFFF26214424j3-0.119CRC(3ba12d43) (Fluke: 26FB)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF26214424j7-0.113CRC(e0a1909e) (Fluke: 3434)
0x0000-0x3FFFF26214424j7-0.113CRC(e0a1909e) (Fluke: 3434)
0x0000-0x3FFFF26214424j7-0.113CRC(e0a1909e) (Fluke: 3434)
0x0000-0x3FFFF26214424j7-0.113CRC(e0a1909e) (Fluke: 3434)
0x40000-0x7FFFF26214424j6-0.112CRC(77932ef8) (Fluke: F372)
0x40000-0x7FFFF26214424j6-0.112CRC(77932ef8) (Fluke: F372)
0x40000-0x7FFFF26214424j6-0.112CRC(77932ef8) (Fluke: F372)
0x40000-0x7FFFF26214424j6-0.112CRC(77932ef8) (Fluke: F372)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107224a9-0.46CRC(703ff08f) (Fluke: 42CC)
0x0000-0x1FFFF13107224a9-0.46CRC(703ff08f) (Fluke: 42CC)
0x0000-0x1FFFF13107224a9-0.46CRC(703ff08f) (Fluke: 42CC)
0x0000-0x1FFFF13107224a9-0.46CRC(703ff08f) (Fluke: 42CC)
0x20000-0x3FFFF13107224j8-0.45CRC(61138487) (Fluke: 7DFF)
0x20000-0x3FFFF13107224j8-0.45CRC(61138487) (Fluke: 7DFF)
0x20000-0x3FFFF13107224j8-0.45CRC(61138487) (Fluke: 7DFF)
0x20000-0x3FFFF13107224j8-0.45CRC(61138487) (Fluke: 7DFF)
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