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:audio_io_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeay1, ay8910_device, address_data_w
0x0002-0x00032Device Writeay2, ay8910_device, address_data_w
0x0004-0x00052Device Writeay3, ay8910_device, address_data_w
0x00061Readcop01_sound_command_r
Memory Area:cop01_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xCFFF4096RAM(/* c000-c7ff in cop01 */)
0xD000-0xDFFF4096RAM Write, Sharedcop01_background_w, bgvideoram
0xE000-0xE0FF256Write Only, Sharedspriteram
0xF000-0xF3FF1024Write, Sharedcop01_foreground_w, fgvideoram
Memory Area:io_map
Address RangeLengthFunctionDescription
0x00001Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x00011Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x00021Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Coin 1Active Low
0x0008Coin 2Active Low
0x0010Service 1Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x00031Read PortDSW1
0x00022C_1CActive High
0x00031C_1CActive High
0x00011C_2CActive High
0x0000Free_PlayActive High
0x00003C_1CActive High
0x00082C_3CActive High
0x000c1C_3CActive High
0x00041C_6CActive High
0x0000OffActive High
0x0020OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000UprightActive High
0x0080CocktailActive High
0x00041Read PortDSW2
0x003020k 70k 50k+Active High
0x005020k 120k 100k+Active High
0x001020k 170k 150k+Active High
0x006030k 60k 30k+Active High
0x002030k 80k 50k+Active High
0x004030k 130k 100k+Active High
0x000030k 180k 150k+Active High
0x0003EasyActive High
0x0001MediumActive High
0x0002HardActive High
0x0000HardestActive High
0x000c3Active High
0x00044Active High
0x00085Active High
0x00006Active High
0x001020000Active High
0x000030000Active High
0x006030000Active High
0x002050000Active High
0x0040100000Active High
0x0000150000Active High
0x007020k 50k 30k+Active High
0x0040-0x00434Writecop01_vreg_w
0x00441Writecop01_sound_command_w
0x00451Writecop01_irq_ack_w (/* ? */)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x80001Readcop01_sound_irq_ack_w
0xC000-0xC7FF2048RAM
 

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
0x0000-0x3FFF16384cop15.17bCRC(6a5f08fa) (Fluke: 4A48)
0x4000-0x7FFF16384cop16.18bCRC(56bf6946) (Fluke: AABE)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192cop14.15gCRC(066d1c55),chars (Fluke: DF2D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cop04.15cCRC(622d32e6),tiles (Fluke: D06D)
0x0000-0x3FFF16384cop04.15cCRC(622d32e6),tiles (Fluke: D06D)
0x4000-0x7FFF16384cop05.16cCRC(c6ac5a35) (Fluke: 589B)
0x4000-0x7FFF16384cop05.16cCRC(c6ac5a35) (Fluke: 589B)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192cop06.3gCRC(f1c1f4a5),sprites (Fluke: 769B)
0x2000-0x3FFF8192cop07.5gCRC(11db7b72) (Fluke: F8AF)
0x2000-0x3FFF8192cop07.5gCRC(11db7b72) (Fluke: F8AF)
0x4000-0x5FFF8192cop08.6gCRC(a63ddda6) (Fluke: 717B)
0x4000-0x5FFF8192cop08.6gCRC(a63ddda6) (Fluke: 717B)
0x6000-0x7FFF8192cop09.8gCRC(855a2ec3) (Fluke: E485)
0x6000-0x7FFF8192cop09.8gCRC(855a2ec3) (Fluke: E485)
0x8000-0x9FFF8192cop10.3eCRC(444cb19d) (Fluke: 8BF5)
0xA000-0xBFFF8192cop11.5eCRC(9078bc04) (Fluke: 6C80)
0xA000-0xBFFF8192cop11.5eCRC(9078bc04) (Fluke: 6C80)
0xC000-0xDFFF8192cop12.6eCRC(257a6706) (Fluke: 6053)
0xC000-0xDFFF8192cop12.6eCRC(257a6706) (Fluke: 6053)
0xE000-0xFFFF8192cop13.8eCRC(07c4ea66) (Fluke: BE39)
0xE000-0xFFFF8192cop13.8eCRC(07c4ea66) (Fluke: BE39)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cop01.2bCRC(5c2734ab) (Fluke: F887)
0x4000-0x7FFF16384cop02.4bCRC(9c7336ef) (Fluke: 8636)
0x8000-0xBFFF16384cop03.5bCRC(2566c8bf) (Fluke: 0F4A)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256copproma.13dCRC(97f68a7a),red (Fluke: FBC2)
0x0000-0x00FF256copproma.13dCRC(97f68a7a),red (Fluke: FBC2)
0x0100-0x01FF256coppromb.14dCRC(39a40b4c),green (Fluke: 9ED0)
0x0100-0x01FF256coppromb.14dCRC(39a40b4c),green (Fluke: 9ED0)
0x0200-0x02FF256coppromc.15dCRC(8181748b),blue (Fluke: B5CC)
0x0200-0x02FF256coppromc.15dCRC(8181748b),blue (Fluke: B5CC)
0x0300-0x03FF256coppromd.19dCRC(6a63dbb8),tile lookup table (Fluke: 3DE1)
0x0300-0x03FF256coppromd.19dCRC(6a63dbb8),tile lookup table (Fluke: 3DE1)
0x0400-0x04FF256copprome.2eCRC(214392fa),sprite lookup table (Fluke: A5C4)
0x0400-0x04FF256copprome.2eCRC(214392fa),sprite lookup table (Fluke: A5C4)
0x0500-0x05FF25613bstate machine data used for video signals generation (not used in emulation)
0x0500-0x05FF25613bstate machine data used for video signals generation (not used in emulation)
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