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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.
Dr. Tomy (Playmark, 1993)
Memory Area:drtomy_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM(/* ROM */)
0x100000-0x100FFF4096RAM Write, Shareddrtomy_vram_fg_w, videorafg (/* Video RAM FG */)
0x101000-0x101FFF4096RAM Write, Shareddrtomy_vram_bg_w, videorabg (/* Video RAM BG */)
0x200000-0x2007FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x440000-0x440FFF4096RAM, Sharedspriteram (/* Sprite RAM */)
0x700000-0x7000012Read PortDSW1
0x000fCoin_AActive High
0x000a2C_1CActive High
0x00073C_2CActive High
0x00005 Coins/4 CreditsActive High
0x000f1C_1CActive High
0x00063C_4CActive High
0x00092C_3CActive High
0x000e1C_2CActive High
0x00082C_5CActive High
0x000d1C_3CActive High
0x000c1C_4CActive High
0x000b1C_5CActive High
0x00f0Coin_BActive High
0x00a02C_1CActive High
0x00703C_2CActive High
0x00005 Coins/4 CreditsActive High
0x00f01C_1CActive High
0x00603C_4CActive High
0x00902C_3CActive High
0x00e01C_2CActive High
0x00802C_5CActive High
0x00d01C_3CActive High
0x00c01C_4CActive High
0x00b01C_5CActive High
0x700002-0x7000032Read PortDSW2
0x0000LessActive High
0x0001MoreActive High
0x0002LessActive High
0x0000MoreActive High
0x0004UnknownActive High
0x0004OffActive High
0x0000OnActive High
0x0010Demo_SoundsActive High
0x0010OffActive High
0x0000OnActive High
0x0020LanguageActive High
0x0020EnglishActive High
0x0000ItalianActive High
0x0040Allow_ContinueActive High
0x0040NoActive High
0x0000YesActive High
0x0080UnknownActive High
0x0080OffActive High
0x0000OnActive High
0x700004-0x7000052Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick RightActive Low
0x0008Joystick LeftActive Low
0x0010Button 2Active Low
0x0020Button 1Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x700006-0x7000072Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick RightActive Low
0x0008Joystick LeftActive Low
0x0010Button 2Active Low
0x0020Button 1Active Low
0x0040Start 1Active Low
0x0080Start 2Active Low
0x70000C-0x70000D2Writedrtomy_okibank_w (/* OKI banking */)
0x70000E-0x70000F2Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff (/* OKI 6295*/)
0xFFC000-0xFFFFFF16384RAM(/* Work RAM */)
 

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
0x0000-0x3FFFF26214420.u80CRC(4d4d86ff) (Fluke: 562C)
0x100000-0x13FFFF26214419.u81CRC(49ecbfe2) (Fluke: F0E9)
0x200000-0x23FFFF26214418.u82CRC(8ee5c921) (Fluke: 15A2)
0x300000-0x33FFFF26214417.u83CRC(42044b1c) (Fluke: C5D5)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF52428814.u23CRC(479614ec) (Fluke: E12B)
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