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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.
Bump 'n' Jump (Data East USA, 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:bnj_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharedrambase
0x10001Read PortDSW1
0x0003Coin_AActive High
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x000cCoin_BActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0030OffActive High
0x0000Video PC Board OnlyActive High
0x0010Normal TestActive High
0x0020No EffectActive High
0x0040CabinetActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0000UprightActive High
0x0080CocktailActive High
0x0080CustomActive High
0x10011Read Port, WriteDSW2, bnj_video_control_w
0x0001LivesActive High
0x00013Active High
0x00005Active High
0x0006Bonus_LifeActive High
0x0006Every 30000Active High
0x0004Every 70000Active High
0x000220000 OnlyActive High
0x000030000 OnlyActive High
0x0008Allow_ContinueActive High
0x0008NoActive High
0x0000YesActive High
0x0010DifficultyActive High
0x0010EasyActive High
0x0000HardActive High
0x10021Read Port, WriteP1, audio_command_w
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x10031Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x10041Read PortSYSTEM
0x0001TiltActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008Start 1Active Low
0x0010Start 2Active Low
0x0020UnknownActive Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x4000-0x43FF1024RAM, Sharedvideoram
0x4400-0x47FF1024RAM, Sharedcolorram
0x4800-0x4BFF1024Read/Writebtime_mirrorvideoram_r, btime_mirrorvideoram_w
0x4C00-0x4FFF1024Read/Writebtime_mirrorcolorram_r, btime_mirrorcolorram_w
0x5000-0x51FF512RAM Write, Sharedbnj_background_w, bnj_bgram
0x5200-0x53FF512RAM
0x54001Writebnj_scroll1_w
0x58001Writebnj_scroll2_w
0x5C00-0x5C0F16RAM Device Write, Sharedpalette, palette_device, write, palette
0xA000-0xFFFF24576ROM
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 Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x40011Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x40021Read Port, WriteSYSTEM, btime_video_control_w
0x0001TiltActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008Start 1Active Low
0x0010Start 2Active Low
0x0020UnknownActive Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x40031Read Port, WriteDSW1, audio_command_w
0x0003Coin_AActive High
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x000cCoin_BActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0030OffActive High
0x0000Video PC Board OnlyActive High
0x0010Normal TestActive High
0x0020No EffectActive High
0x0040CabinetActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0000UprightActive High
0x0080CocktailActive High
0x0080CustomActive High
0x40041Read Port, WriteDSW2, bnj_scroll1_w
0x0001LivesActive High
0x00013Active High
0x00005Active High
0x0006Bonus_LifeActive High
0x0006Every 30000Active High
0x0004Every 70000Active High
0x000220000 OnlyActive High
0x000030000 OnlyActive High
0x0008Allow_ContinueActive High
0x0008NoActive High
0x0000YesActive High
0x0010DifficultyActive High
0x0010EasyActive High
0x0000HardActive High
0xB000-0xFFFF20480ROM
 

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
0xE000-0xEFFF4096ad05.6cCRC(8c02f662) (Fluke: 588F)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ad00.4eCRC(b864d082) (Fluke: 8830)
0x2000-0x3FFF8192ad01.4fCRC(6c31d77a) (Fluke: 5C6C)
0x4000-0x5FFF8192ad02.4hCRC(5824e6fb) (Fluke: CE3D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096ad03.10eCRC(f4e9eb49) (Fluke: 8D76)
0x1000-0x1FFF4096ad04.10fCRC(a9ffacb4) (Fluke: 5374)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xA000-0xBFFF8192ad08.12bCRC(8d649bd5)
0xC000-0xDFFF8192ad07.12cCRC(7a27f5f4)
0xE000-0xFFFF8192ad06.12dCRC(f855a2d2)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x002B44pb-5.10k.binCRC(dc72a65f),PAL10L8 (Fluke: B33C)
0x002C1pb-4.2d.binPAL16R4CN - same as Car Action?
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