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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.
Cook Race (bootleg, 1982)
Memory Area:audio_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024Mirror, RAM, Shared0x1c00, , audio_rambase
0x2000-0x3FFF8192Device Writeay1, ay8910_device, data_w
0x4000-0x5FFF8192Device Writeay1, ay8910_device, address_w
0x6000-0x7FFF8192Device Writeay2, ay8910_device, data_w
0x8000-0x9FFF8192Device Writeay2, ay8910_device, address_w
0xA000-0xBFFF8192Readaudio_command_r
0xC000-0xDFFF8192Writeaudio_nmi_enable_w
0xE000-0xEFFF4096Mirror, ROM0x1000,
Memory Area:btime_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharedrambase
0x0C00-0x0C0F16RAM Device Write, Sharedpalette, palette_device, write, palette
0x1000-0x13FF1024RAM, Sharedvideoram
0x1400-0x17FF1024RAM, Sharedcolorram
0x1800-0x1BFF1024Read/Writebtime_mirrorvideoram_r, btime_mirrorvideoram_w
0x1C00-0x1FFF1024Read/Writebtime_mirrorcolorram_r, btime_mirrorcolorram_w
0x40001Read Port, Write NOPP1,
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0x40011Read PortP2
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0x40021Read Port, WriteSYSTEM, btime_video_control_w
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008Start 1Active High
0x0010Start 2Active High
0x0020UnknownActive High
0x0040Coin 2Active Low
0x0080Coin 1Active Low
0x40031Read Port, WriteDSW1, audio_command_w
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0x40041Read Port, WriteDSW2, bnj_scroll1_w
0x00013Active High
0x00005Active High
0x000620000Active High
0x000430000Active High
0x000240000Active High
0x000050000Active High
0x00084Active High
0x00006Active High
0x0010NoActive High
0x0000YesActive High
0x0000OffActive High
0x0020OnActive High
0x00c0EasyActive High
0x0080NormalActive High
0x0040HardActive High
0x0000HardestActive High
0xB000-0xFFFF20480ROM
Memory Area:cookrace_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024RAM, Sharedrambase
0x0500-0x3FFF15104ROM
0xC000-0xC3FF1024RAM, Sharedvideoram
0xC400-0xC7FF1024RAM, Sharedcolorram
0xC800-0xCBFF1024Read/Writebtime_mirrorvideoram_r, btime_mirrorvideoram_w
0xCC00-0xCFFF1024Read/Writebtime_mirrorcolorram_r, btime_mirrorcolorram_w
0xD000-0xD0FF256RAM(/* background? */)
0xD100-0xD3FF768RAM(/* ? */)
0xD400-0xD7FF1024RAM, Sharedbnj_bgram
0xE0001Read Port, WriteDSW1, bnj_video_control_w
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0xE0011Read Port, WriteDSW2, audio_command_w
0x00013Active High
0x00005Active High
0x000620000Active High
0x000430000Active High
0x000240000Active High
0x000050000Active High
0x00084Active High
0x00006Active High
0x0010NoActive High
0x0000YesActive High
0x0000OffActive High
0x0020OnActive High
0x00c0EasyActive High
0x0080NormalActive High
0x0040HardActive High
0x0000HardestActive High
0xE0021Read PortP1
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xE0031Read PortP2
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0xE0041Read PortSYSTEM
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008Start 1Active High
0x0010Start 2Active High
0x0020UnknownActive High
0x0040Coin 2Active Low
0x0080Coin 1Active Low
0xE3001Read PortDSW1 (/* mirror address used on high score name entry */)
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0xFFF9-0xFFFF7ROM
 

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
0x0000-0x1FFF8192m8.7CRC(a1a0d5a6),charset #1 (Fluke: B294)
0x2000-0x3FFF8192m7.8CRC(1104f497) (Fluke: 76B7)
0x4000-0x5FFF8192m6.9CRC(d0d94477) (Fluke: EB52)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF20482f.3CRC(28609a75),garbage?? (Fluke: AC7D)
0x0800-0x0FFF20484f.4CRC(7742e771),garbage?? (Fluke: E24C)
0x1000-0x17FF20485f.5CRC(611c686f),garbage?? (Fluke: 9C2D)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81921f.1CRC(68759d32) (Fluke: 6036)
0x2000-0x3FFF81922f.2CRC(be7d72d1) (Fluke: 445C)
0xFFE0-0xFFFF322kCRC(e2553b3d),reset/interrupt vectors (Fluke: E8F5)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32f9.clrCRC(c2348c1d),palette (Fluke: 28C2)
0x0020-0x003F32b7CRC(e4268fa6),unknown (Fluke: E044)
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