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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.
Under Fire (Taito Corporation, 1993)
Memory Area:undrfire_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x200000-0x21FFFF131072RAM, Sharedram
0x300000-0x303FFF16384RAM, Sharedspriteram
0x400000-0x4000034Writemotor_control_w (/* gun vibration */)
0x500000-0x5000078Read/Writeundrfire_input_r, undrfire_input_w (/* eerom etc. */)
0x600000-0x6000078Read/Writeunknown_hardware_r, unknown_int_req_w (/* int request for unknown hardware */)
0x700000-0x7007FF2048RAM, Sharedsnd_shared
0x800000-0x80FFFF65536Device Read/Writetc0480scp, tc0480scp_device, long_r, long_w (/* tilemaps */)
0x830000-0x83002F48Device Read/Writetc0480scp, tc0480scp_device, ctrl_long_r, ctrl_long_w
0x900000-0x90FFFF65536Device Read/Writetc0100scn, tc0100scn_device, long_r, long_w (/* 6bpp tilemaps */)
0x920000-0x92000F16Device Read/Writetc0100scn, tc0100scn_device, ctrl_long_r, ctrl_long_w
0xA00000-0xA0FFFF65536RAM Device Write, Sharedpalette, palette_device, write, palette
0xB00000-0xB003FF1024RAM(/* single bytes, blending ??? */)
0xD00000-0xD000034Writerotate_control_w (/* perhaps port based rotate control? */)
0xF00000-0xF000078Readundrfire_lightgun_r (/* stick coords read at $11b2-bc */)
 

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:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128eeprom-undrfire.binCRC(9f7368f4)
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