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:master_map
Address RangeLengthFunctionDescription
0x0000-0x6FFF28672RAM
0x7000-0x7FFF4096RAM, Sharedspriteram
0x8000-0x80FF256RAM, Sharedscroll_ram
0xA000-0xAFFF4096RAM, Sharedshare1
0xB000-0xB0012Read PortP1_P2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 1Active Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000Start 2Active Low
0xB002-0xB0032Read PortDSW
0x0001Mode 1Active High
0x0000Mode 2Active High
0x0006Coin_AActive High
0x00005C_1CActive High
0x00023C_1CActive High
0x00042C_1CActive High
0x00061C_1CActive High
0x0018Coin_BActive High
0x00181C_2CActive High
0x00101C_3CActive High
0x00081C_5CActive High
0x00001C_6CActive High
0x0000Free_PlayActive High
0x001eCoinageActive High
0x00184C_1CActive High
0x001a3C_1CActive High
0x001c2C_1CActive High
0x001e1C_1CActive High
0x0000Free_PlayActive High
0x0020NormalActive High
0x0000X 2Active High
0x0040CabinetActive High
0x0040UprightActive High
0x0000CocktailActive High
0x0080Flip_ScreenActive High
0x0080OffActive High
0x0000OnActive High
0x0300UnusedActive High
0x0c00Bonus_LifeActive High
0x0c0080K 100K+Active High
0x0800100K 100K+Active High
0x0400120K 100K+Active High
0x0000120K 120K+Active High
0x3000DifficultyActive High
0x3000NormalActive High
0x2000EasyActive High
0x1000HardActive High
0x0000HardestActive High
0x4000Allow_ContinueActive High
0x0000OffActive High
0x4000OnActive High
0x8000Demo_SoundsActive High
0x0000OffActive High
0x8000OnActive High
0xB004-0xB0052Write NOP
0xB006-0xB0072Writecontrol_w
0xC000-0xC7FF2048RAM Write, Sharedtext_w, videoram
0xD000-0xD00D14Device Read/Writeseibu_sound, seibu_sound_device, main_word_r, main_word_w
0xA0000-0xFFFFF393216ROM
Memory Area:sei80bu_encrypted_full_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM, Regionaudiocpu, 0
0x8000-0xFFFF32768ROM Bankseibu_bank1
Memory Area:slave_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576RAM
0x6000-0x67FF2048RAM Write, Sharedbackground_w, back_data
0x6800-0x6FFF2048RAM Write, Sharedforeground_w, fore_data
0x7000-0x7FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x8000-0x8FFF4096RAM, Sharedshare1
0xA000-0xA0012Writegfxbank_w
0xC000-0xC0012Write NOP
0xC0000-0xFFFFF262144ROM
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536Device Readsei80bu, sei80bu_device, data_r
0x2000-0x27FF2048RAM
0x40001Device Writeseibu_sound, seibu_sound_device, pending_w
0x40011Device Writeseibu_sound, seibu_sound_device, irq_clear_w
0x40021Device Writeseibu_sound, seibu_sound_device, rst10_ack_w
0x40031Device Writeseibu_sound, seibu_sound_device, rst18_ack_w
0x40071Device Writeseibu_sound, seibu_sound_device, bank_w
0x4008-0x40092Device Read/Writeseibu_sound, seibu_sound_device, ym_r, ym_w
0x4010-0x40112Device Readseibu_sound, seibu_sound_device, soundlatch_r
0x40121Device Readseibu_sound, seibu_sound_device, main_data_pending_r
0x40131Read PortCOIN
0x4018-0x40192Device Writeseibu_sound, seibu_sound_device, main_data_w
0x401B1Device Writeseibu_sound, seibu_sound_device, coin_w
0x60001Device Read/Writeoki, okim6295_device, read, write
 

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
0x0000-0x7FFF327688.w8CRC(3c29480b) (Fluke: FED0)
0x0000-0x7FFF327688.w8CRC(3c29480b) (Fluke: FED0)
0x0000-0x7FFF327688.w8CRC(3c29480b) (Fluke: FED0)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF163849.5kCRC(f2bc9af4),chars (Fluke: 40DA)
0x0000-0x3FFF163849.5kCRC(f2bc9af4),chars (Fluke: 40DA)
0x0000-0x3FFF163849.5kCRC(f2bc9af4),chars (Fluke: 40DA)
0x10000-0x13FFF1638410.34kCRC(c2a9f19b) (Fluke: C8D4)
0x10000-0x13FFF1638410.34kCRC(c2a9f19b) (Fluke: C8D4)
0x10000-0x13FFF1638410.34kCRC(c2a9f19b) (Fluke: C8D4)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144dd.a2CRC(598f343f),background (Fluke: 13AD)
0x0000-0x3FFFF262144dd.a2CRC(598f343f),background (Fluke: 13AD)
0x0000-0x3FFFF262144dd.a2CRC(598f343f),background (Fluke: 13AD)
0x40000-0x7FFFF262144dd.b2CRC(41a9088d) (Fluke: 75CB)
0x40000-0x7FFFF262144dd.b2CRC(41a9088d) (Fluke: 75CB)
0x40000-0x7FFFF262144dd.b2CRC(41a9088d) (Fluke: 75CB)
0x80000-0xBFFFF262144dd.c2CRC(cc341b42) (Fluke: 8A1B)
0x80000-0xBFFFF262144dd.c2CRC(cc341b42) (Fluke: 8A1B)
0x80000-0xBFFFF262144dd.c2CRC(cc341b42) (Fluke: 8A1B)
0xC0000-0xFFFFF262144dd.d2CRC(4752b4d7) (Fluke: 1D35)
0xC0000-0xFFFFF262144dd.d2CRC(4752b4d7) (Fluke: 1D35)
0xC0000-0xFFFFF262144dd.d2CRC(4752b4d7) (Fluke: 1D35)
0x100000-0x13FFFF262144dd.de3CRC(44a4cb62) (Fluke: FE7F)
0x100000-0x13FFFF262144dd.de3CRC(44a4cb62) (Fluke: FE7F)
0x100000-0x13FFFF262144dd.de3CRC(44a4cb62) (Fluke: FE7F)
0x140000-0x17FFFF262144dd.ef3CRC(aa8aee1a) (Fluke: 8244)
0x140000-0x17FFFF262144dd.ef3CRC(aa8aee1a) (Fluke: 8244)
0x140000-0x17FFFF262144dd.ef3CRC(aa8aee1a) (Fluke: 8244)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144dd.mn3CRC(2ee0ca98),foreground (Fluke: B5DB)
0x0000-0x3FFFF262144dd.mn3CRC(2ee0ca98),foreground (Fluke: B5DB)
0x0000-0x3FFFF262144dd.mn3CRC(2ee0ca98),foreground (Fluke: B5DB)
0x40000-0x7FFFF262144dd.mn4CRC(6c71e2df) (Fluke: 9AF7)
0x40000-0x7FFFF262144dd.mn4CRC(6c71e2df) (Fluke: 9AF7)
0x40000-0x7FFFF262144dd.mn4CRC(6c71e2df) (Fluke: 9AF7)
0x80000-0xBFFFF262144dd.n45CRC(85d918e1) (Fluke: 2141)
0x80000-0xBFFFF262144dd.n45CRC(85d918e1) (Fluke: 2141)
0x80000-0xBFFFF262144dd.n45CRC(85d918e1) (Fluke: 2141)
0xC0000-0xFFFFF262144dd.mn5CRC(e71e34df) (Fluke: 71E3)
0xC0000-0xFFFFF262144dd.mn5CRC(e71e34df) (Fluke: 71E3)
0xC0000-0xFFFFF262144dd.mn5CRC(e71e34df) (Fluke: 71E3)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF655367.x10CRC(9cbc7b41) (Fluke: 78B8)
0x0000-0xFFFF655367.x10CRC(9cbc7b41) (Fluke: 78B8)
0x0000-0xFFFF655367.x10CRC(9cbc7b41) (Fluke: 78B8)
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