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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.
Fire Trap (Wood Place Inc. (Data East USA license), 1986)
Memory Area:firetrap_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xCFFF4096RAM
0xD000-0xD7FF2048RAM Write, Sharedfiretrap_bg1videoram_w, bg1videoram
0xD800-0xDFFF2048RAM Write, Sharedfiretrap_bg2videoram_w, bg2videoram
0xE000-0xE7FF2048RAM Write, Sharedfiretrap_fgvideoram_w, fgvideoram
0xE800-0xE97F384RAM, Sharedspriteram
0xF0001Write NOP(/* IRQ acknowledge */)
0xF0011Writefiretrap_sound_command_w
0xF0021Writefiretrap_bankselect_w
0xF0031Writeflip_screen_w
0xF0041Writefiretrap_nmi_disable_w
0xF0051Writefiretrap_8751_w
0xF008-0xF0092Writefiretrap_bg1_scrollx_w
0xF00A-0xF00B2Writefiretrap_bg1_scrolly_w
0xF00C-0xF00D2Writefiretrap_bg2_scrollx_w
0xF00E-0xF00F2Writefiretrap_bg2_scrolly_w
0xF0101Read PortIN0
0x0001Joystickleft UpActive Low
0x0002Joystickleft DownActive Low
0x0004Joystickleft LeftActive Low
0x0008Joystickleft RightActive Low
0x0010Joystickright UpActive Low
0x0020Joystickright DownActive Low
0x0040Joystickright LeftActive Low
0x0080Joystickright RightActive Low
0xF0111Read PortIN1
0x0001Joystickleft UpActive Low
0x0002Joystickleft DownActive Low
0x0004Joystickleft LeftActive Low
0x0008Joystickleft RightActive Low
0x0010Joystickright UpActive Low
0x0020Joystickright DownActive Low
0x0040Joystickright LeftActive Low
0x0080Joystickright RightActive Low
0xF0121Read PortIN2
0x0001Button 1Active Low
0x0002Start 1Active Low
0x0004Button 1Active Low
0x0008Start 2Active Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080CustomActive High
0xF0131Read PortDSW0
0x0007Coin_AActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00031C_4CActive High
0x00041C_6CActive High
0x0018Coin_BActive High
0x00004C_1CActive High
0x00083C_1CActive High
0x00102C_1CActive High
0x00181C_1CActive High
0x0020CabinetActive High
0x0000UprightActive High
0x0020CocktailActive High
0x0040Demo_SoundsActive High
0x0000OffActive High
0x0040OnActive High
0x0080Flip_ScreenActive High
0x0080OffActive High
0x0000OnActive High
0xF0141Read PortDSW1
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000HardestActive High
0x000cLivesActive High
0x00002Active High
0x000c3Active High
0x00084Active High
0x00045Active High
0x0030Bonus_LifeActive High
0x001030k and 70kActive High
0x000050k and 100kActive High
0x003030k onlyActive High
0x002050k onlyActive High
0x0040Allow_ContinueActive High
0x0000NoActive High
0x0040YesActive High
0xF0161Readfiretrap_8751_r
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM
0x1000-0x10012Device Writeymsnd, ym3526_device, write
0x20001Writefiretrap_adpcm_data_w (/* ADPCM data for the MSM5205 chip */)
0x24001Writefiretrap_sound_2400_w
0x28001Writefiretrap_sound_bankselect_w
0x34001Device Readsoundlatch, generic_latch_8_device, read
0x4000-0x7FFF16384ROM Bankbank2
0x8000-0xFFFF32768ROM
 

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
0x8000-0xFFFF32768di-17.10jCRC(8605f6b9) (Fluke: B166)
0x8000-0xFFFF32768di-17.10jCRC(8605f6b9) (Fluke: B166)
0x10000-0x17FFF32768di-18.12jCRC(49508c93) (Fluke: 549A)
0x10000-0x17FFF32768di-18.12jCRC(49508c93) (Fluke: 549A)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192di-03.17cCRC(46721930) (Fluke: D68C)
0x0000-0x1FFF8192di-03.17cCRC(46721930) (Fluke: D68C)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192di-06.3eCRC(441d9154) (Fluke: 9828)
0x0000-0x1FFF8192di-06.3eCRC(441d9154) (Fluke: 9828)
0x4000-0x5FFF8192di-04.2eCRC(8e6e7eec) (Fluke: DB6C)
0x4000-0x5FFF8192di-04.2eCRC(8e6e7eec) (Fluke: DB6C)
0x10000-0x11FFF8192di-07.6eCRC(ef0a7e23) (Fluke: A517)
0x10000-0x11FFF8192di-07.6eCRC(ef0a7e23) (Fluke: A517)
0x14000-0x15FFF8192di-05.4eCRC(ec080082) (Fluke: E89A)
0x14000-0x15FFF8192di-05.4eCRC(ec080082) (Fluke: E89A)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192di-09.3jCRC(d11e28e8) (Fluke: 2197)
0x0000-0x1FFF8192di-09.3jCRC(d11e28e8) (Fluke: 2197)
0x4000-0x5FFF8192di-08.2jCRC(c32a21d8) (Fluke: D841)
0x4000-0x5FFF8192di-08.2jCRC(c32a21d8) (Fluke: D841)
0x10000-0x11FFF8192di-11.6jCRC(6424d5c3) (Fluke: BA97)
0x10000-0x11FFF8192di-11.6jCRC(6424d5c3) (Fluke: BA97)
0x14000-0x15FFF8192di-10.4jCRC(9b89300a) (Fluke: D1BD)
0x14000-0x15FFF8192di-10.4jCRC(9b89300a) (Fluke: D1BD)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768di-16.17hCRC(0de055d7) (Fluke: 9FD2)
0x0000-0x7FFF32768di-16.17hCRC(0de055d7) (Fluke: 9FD2)
0x8000-0xFFFF32768di-13.13hCRC(869219da) (Fluke: 7A56)
0x8000-0xFFFF32768di-13.13hCRC(869219da) (Fluke: 7A56)
0x10000-0x17FFF32768di-14.14hCRC(6b65812e) (Fluke: 90AE)
0x10000-0x17FFF32768di-14.14hCRC(6b65812e) (Fluke: 90AE)
0x18000-0x1FFFF32768di-15.15hCRC(3e27f77d) (Fluke: 5449)
0x18000-0x1FFFF32768di-15.15hCRC(3e27f77d) (Fluke: 5449)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768di-02.4aCRC(3d1e4bf7) (Fluke: A8CF)
0x0000-0x7FFF32768di-02.4aCRC(3d1e4bf7) (Fluke: A8CF)
0x10000-0x17FFF32768di-01.3aCRC(9bbae38b) (Fluke: 0BFC)
0x10000-0x17FFF32768di-01.3aCRC(9bbae38b) (Fluke: 0BFC)
0x18000-0x1FFFF32768di-00.2aCRC(d0dad7de) (Fluke: 0AE7)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096di-12.16h
0x0000-0x0FFF4096di-12.16h
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256firetrap.3bCRC(8bb45337),palette red and green component (Fluke: 0155)
0x0000-0x00FF256firetrap.3bCRC(8bb45337),palette red and green component (Fluke: 0155)
0x0100-0x01FF256firetrap.4bCRC(d5abfc64),palette blue component (Fluke: 43E5)
0x0100-0x01FF256firetrap.4bCRC(d5abfc64),palette blue component (Fluke: 43E5)
0x0200-0x02FF256firetrap.1aCRC(d67f3514)
0x0200-0x02FF256firetrap.1aCRC(d67f3514)
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