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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.
Bomb Jack (Tehkan, 1984)
Memory Area:audio_io_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeay1, ay8910_device, address_data_w
0x0010-0x00112Device Writeay2, ay8910_device, address_data_w
0x0080-0x00812Device Writeay3, ay8910_device, address_data_w
Memory Area:audio_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x4000-0x43FF1024RAM
0x60001Readbombjack_soundlatch_r
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x8FFF4096RAM
0x9000-0x93FF1024RAM Write, Sharedbombjack_videoram_w, videoram
0x9400-0x97FF1024RAM Write, Sharedbombjack_colorram_w, colorram
0x9820-0x987F96Write Only, Sharedspriteram
0x9A001Write NOP
0x9C00-0x9CFF256Device Write, Sharedpalette, palette_device, write, palette
0x9E001Writebombjack_background_w
0xB0001Read PortP1
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xB0001Writeirq_mask_w
0xB0011Read PortP2
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xB0021Read PortSYSTEM
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0004Start 1Active High
0x0008Start 2Active High
0x00f0UnknownActive Low
0xB0031Read NOP(/* watchdog reset? */)
0xB0041Read PortDSW1
0x0003Coin_AActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_6CActive High
0x000cCoin_BActive High
0x00042C_1CActive High
0x00001C_1CActive High
0x00081C_2CActive High
0x000c1C_3CActive High
0x0030LivesActive High
0x00302Active High
0x00003Active High
0x00104Active High
0x00205Active High
0x0040CabinetActive High
0x0040UprightActive High
0x0000CocktailActive High
0x0080Demo_SoundsActive High
0x0000OffActive High
0x0080OnActive High
0xB0041Writebombjack_flipscreen_w
0xB0051Read PortDSW2
0x0007Bonus_LifeActive High
0x0002Every 30kActive High
0x0001Every 100kActive High
0x000750k, 100k and 300kActive High
0x000550k and 100kActive High
0x000350k onlyActive High
0x0006100k and 300kActive High
0x0004100k onlyActive High
0x0000NoneActive High
0x0000EasyActive High
0x0008MediumActive High
0x0010HardActive High
0x0018HardestActive High
0x0020EasyActive High
0x0000MediumActive High
0x0040HardActive High
0x0060HardestActive High
0x0000EasyActive High
0x0080HardActive High
0xB8001Writebombjack_soundlatch_w
0xC000-0xDFFF8192ROM
 

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
0x0000-0x1FFF819201_h03t.binCRC(8407917d) (Fluke: 4BF3)
0x0000-0x1FFF819201_h03t.binCRC(8407917d) (Fluke: 4BF3)
Memory Area:chars
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF409603_e08t.binCRC(9f0470d5),chars (Fluke: DFD9)
0x0000-0x0FFF409603_e08t.binCRC(9f0470d5),chars (Fluke: DFD9)
0x1000-0x1FFF409604_h08t.binCRC(81ec12e6) (Fluke: 23E9)
0x1000-0x1FFF409604_h08t.binCRC(81ec12e6) (Fluke: 23E9)
0x2000-0x2FFF409605_k08t.binCRC(e87ec8b1) (Fluke: 041D)
0x2000-0x2FFF409605_k08t.binCRC(e87ec8b1) (Fluke: 041D)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF409602_p04t.binCRC(398d4a02) (Fluke: 2B66)
0x0000-0x0FFF409602_p04t.binCRC(398d4a02) (Fluke: 2B66)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819209_j01b.binCRC(c668dc30) (Fluke: D804)
0x0000-0x1FFF819209_j01b.binCRC(c668dc30) (Fluke: D804)
0x2000-0x3FFF819210_l01b.binCRC(52a1e5fb) (Fluke: 7EAF)
0x2000-0x3FFF819210_l01b.binCRC(52a1e5fb) (Fluke: 7EAF)
0x4000-0x5FFF819211_m01b.binCRC(b68a062a) (Fluke: BD20)
0x4000-0x5FFF819211_m01b.binCRC(b68a062a) (Fluke: BD20)
0x6000-0x7FFF819212_n01b.binCRC(1d3ecee5) (Fluke: 3EC6)
0x6000-0x7FFF819212_n01b.binCRC(1d3ecee5) (Fluke: 3EC6)
0xC000-0xDFFF819213.1rCRC(70e0244d) (Fluke: D08A)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819216_m07b.binCRC(94694097),sprites (Fluke: 5DBA)
0x0000-0x1FFF819216_m07b.binCRC(94694097),sprites (Fluke: 5DBA)
0x2000-0x3FFF819215_l07b.binCRC(013f58f2) (Fluke: C6CD)
0x2000-0x3FFF819215_l07b.binCRC(013f58f2) (Fluke: C6CD)
0x4000-0x5FFF819214_j07b.binCRC(101c858d) (Fluke: 5ED9)
0x4000-0x5FFF819214_j07b.binCRC(101c858d) (Fluke: 5ED9)
Memory Area:tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819206_l08t.binCRC(51eebd89),background tiles (Fluke: 0797)
0x0000-0x1FFF819206_l08t.binCRC(51eebd89),background tiles (Fluke: 0797)
0x2000-0x3FFF819207_n08t.binCRC(9dd98e9d) (Fluke: 6987)
0x2000-0x3FFF819207_n08t.binCRC(9dd98e9d) (Fluke: 6987)
0x4000-0x5FFF819208_r08t.binCRC(3155ee7d) (Fluke: 253F)
0x4000-0x5FFF819208_r08t.binCRC(3155ee7d) (Fluke: 253F)
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