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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 (Tecfri licence), 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
0xB0001Writeirq_mask_w
0xB0001Read PortP1
0xB0011Read PortP2
0xB0021Read PortSYSTEM
0xB0031Read NOP(/* watchdog reset? */)
0xB0041Read PortDSW1
0xB0041Writebombjack_flipscreen_w
0xB0051Read PortDSW2
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
0x0000-0x1FFF81921.6hCRC(8407917d) (Fluke: 4BF3)
Memory Area:chars
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF409603_e08t.binCRC(9f0470d5) (Fluke: DFD9)
0x0000-0x1FFF81923.1eCRC(54e1dac1)
0x1000-0x1FFF409604_h08t.binCRC(81ec12e6) (Fluke: 23E9)
0x2000-0x3FFF81924.1hCRC(05e428ab)
0x2000-0x2FFF409605_k08t.binCRC(e87ec8b1) (Fluke: 041D)
0x4000-0x5FFF81925.1kCRC(f282f29a)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF163849.1jCRC(4b59a3bb)
0x4000-0x7FFF1638412.1nCRC(0a32506a)
0xC000-0xDFFF819213.1rCRC(964ac5c5)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819216.7mCRC(94694097),sprites (Fluke: 5DBA)
0x2000-0x3FFF819215.7kCRC(013f58f2) (Fluke: C6CD)
0x4000-0x5FFF819214.7jCRC(101c858d) (Fluke: 5ED9)
Memory Area:tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81926.1lCRC(51eebd89),background tiles (Fluke: 0797)
0x2000-0x3FFF81927.1nCRC(9dd98e9d) (Fluke: 6987)
0x4000-0x5FFF81928.1rCRC(3155ee7d) (Fluke: 253F)
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