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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.
Toki (bootleg (Datsu), 1990)
Memory Area:tokib_audio_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xE0001Writetokib_adpcm_control_w (/* MSM5205 + ROM bank */)
0xE4001Writetokib_adpcm_data_w
0xEC00-0xEC012Mirror, Device Read/Write0x0008, ymsnd, ym3812_device, read, write
0xF000-0xF7FF2048RAM
0xF8001Device Readsoundlatch, generic_latch_8_device, read
Memory Area:tokib_map
Address RangeLengthFunctionDescription
0x0000-0x5FFFF393216ROM
0x60000-0x6DFFF57344RAM
0x6E000-0x6E7FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x6E800-0x6EFFF2048RAM Write, Sharedbackground1_videoram_w, bg1_vram
0x6F000-0x6F7FF2048RAM Write, Sharedbackground2_videoram_w, bg2_vram
0x6F800-0x6FFFF2048RAM Write, Sharedforeground_videoram_w, videoram
0x71000-0x710012Write NOP(/* sprite related? seems another scroll register */)
0x71804-0x718074Write NOP(/* sprite related, always 01be0100 */)
0x7180E-0x71E451592Write Only, Sharedspriteram
0x72000-0x720012Device Readwatchdog, watchdog_timer_device, reset16_r (/* probably */)
0x75000-0x750012Writetokib_soundcommand_w
0x75004-0x7500B8Write Only, Sharedscrollram
0xC0000-0xC00012Read PortDSW
0x00156C_1CActive High
0x00175C_1CActive High
0x00194C_1CActive High
0x001b3C_1CActive High
0x00038C_3CActive High
0x001d2C_1CActive High
0x00055C_3CActive High
0x00073C_2CActive High
0x001f1C_1CActive High
0x00092C_3CActive High
0x00131C_2CActive High
0x00111C_3CActive High
0x000f1C_4CActive High
0x000d1C_5CActive High
0x000b1C_6CActive High
0x001eA 1/1 B 1/2Active High
0x0014A 2/1 B 1/3Active High
0x000aA 3/1 B 1/5Active High
0x0000A 5/1 B 1/6Active High
0x0001Free_PlayActive High
0x00201Active High
0x00002Active High
0x0040UprightActive High
0x0000CocktailActive High
0x0080OffActive High
0x0000OnActive High
0x02002Active High
0x03003Active High
0x01005Active High
0x0000Infinite (Cheat)Active High
0x080050000 150000Active High
0x000070000 140000 210000Active High
0x0c0070000Active High
0x0400100000 200000Active High
0x2000EasyActive High
0x3000MediumActive High
0x1000HardActive High
0x0000HardestActive High
0x0000NoActive High
0x4000YesActive High
0x0000OffActive High
0x8000OnActive High
0xC0002-0xC00032Read PortINPUTS
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive High
0x0080UnknownActive High
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000UnknownActive High
0x8000UnknownActive High
0xC0004-0xC00052Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008Start 1Active Low
0x0010Start 2Active Low
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xC000E-0xC000F2Readpip_r (/* sound related, if we return 0 the code writes */)
 

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
0x0000-0xFFFF65536toki.e1CRC(2832ef75) (Fluke: D4FB)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768toki.e21CRC(bb8cacbd),chars (Fluke: BA69)
0x8000-0xFFFF32768toki.e13CRC(052ad275) (Fluke: 964E)
0x10000-0x17FFF32768toki.e22CRC(04dcdc21) (Fluke: 269C)
0x18000-0x1FFFF32768toki.e7CRC(70729106) (Fluke: 96A7)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072toki.e26CRC(a8ba71fc),sprites (Fluke: CE61)
0x20000-0x3FFFF131072toki.e28CRC(29784948) (Fluke: B772)
0x40000-0x5FFFF131072toki.e34CRC(e5f6e19b) (Fluke: ADE1)
0x60000-0x7FFFF131072toki.e36CRC(96e8db8b) (Fluke: A04C)
0x80000-0x9FFFF131072toki.e30CRC(770d2b1b) (Fluke: 3002)
0xA0000-0xBFFFF131072toki.e32CRC(c289d246) (Fluke: 480E)
0xC0000-0xDFFFF131072toki.e38CRC(87f4e7fb) (Fluke: 2626)
0xE0000-0xFFFFF131072toki.e40CRC(96e87350) (Fluke: 38C9)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536toki.e23CRC(feb13d35),tiles 1 (Fluke: FE05)
0x10000-0x1FFFF65536toki.e24CRC(5b365637) (Fluke: 7A89)
0x20000-0x2FFFF65536toki.e15CRC(617c32e6) (Fluke: 24E9)
0x30000-0x3FFFF65536toki.e16CRC(2a11c0f0) (Fluke: EE46)
0x40000-0x4FFFF65536toki.e17CRC(fbc3d456) (Fluke: 2E58)
0x50000-0x5FFFF65536toki.e18CRC(4c2a72e1) (Fluke: 0978)
0x60000-0x6FFFF65536toki.e8CRC(46a1b821) (Fluke: 296A)
0x70000-0x7FFFF65536toki.e9CRC(82ce27f6) (Fluke: 4F8B)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536toki.e25CRC(63026cad),tiles 2 (Fluke: 84E3)
0x10000-0x1FFFF65536toki.e20CRC(a7f2ce26) (Fluke: 5FD2)
0x20000-0x2FFFF65536toki.e11CRC(48989aa0) (Fluke: FE9B)
0x30000-0x3FFFF65536toki.e12CRC(c2ad9342) (Fluke: 22E5)
0x40000-0x4FFFF65536toki.e19CRC(6cd22b18) (Fluke: 964F)
0x50000-0x5FFFF65536toki.e14CRC(859e313a) (Fluke: 1A38)
0x60000-0x6FFFF65536toki.e10CRC(e15c1d0f) (Fluke: 7215)
0x70000-0x7FFFF65536toki.e6CRC(6f4b878a) (Fluke: 1FCA)
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