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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.
Gun Fight (Dave Nutting Associates / Midway, 1975)
Memory Area:gunfight_io_map
Address RangeLengthFunctionDescription
0x0000-0x00078Writegunfight_io_w
0x00001Mirror, Read Port0x04, IN0
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0070Positional VActive High
0x0080Button 1Active High
0x00011Mirror, Read Port0x04, IN1
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0070Positional VActive High
0x0080Button 1Active High
0x00021Mirror, Read Port0x04, IN2
0x000fCoinageActive High
0x00034C_1CActive High
0x00023C_1CActive High
0x00074C_2CActive High
0x00012C_1CActive High
0x00063C_2CActive High
0x000b4C_3CActive High
0x000f4C_4CActive High
0x000a3C_3CActive High
0x00052C_2CActive High
0x00001C_1CActive High
0x000e3C_4CActive High
0x00092C_3CActive High
0x000d2C_4CActive High
0x00041C_2CActive High
0x00081C_3CActive High
0x000c1C_4CActive High
0x0030Game_TimeActive High
0x000060 secondsActive High
0x001070 secondsActive High
0x002080 secondsActive High
0x003090 secondsActive High
0x0040Coin 1Active High
0x0080Start 1Active High
0x00031Mirror, Device Read0x04, mb14241, mb14241_device, shift_result_r
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM, Write NOP
0x2000-0x3FFF8192Mirror, RAM, Shared0x4000, , main_ram
0x4000-0x5FFF8192ROM, Write NOP
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF10247609h.binCRC(0b117d73) (Fluke: CB81)
0x0400-0x07FF10247609g.binCRC(57bc3159) (Fluke: 0997)
0x0800-0x0BFF10247609f.binCRC(8049a6bd) (Fluke: 6395)
0x0C00-0x0FFF10247609e.binCRC(773264e2) (Fluke: 3016)
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