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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.
Shooting Master (Sega, 1985)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048Mirror, RAM0x1800,
0xA0001Mirror, Device Write0x1fff, sn1, sn76489a_device, write
0xC0001Mirror, Device Write0x1fff, sn2, sn76489a_device, write
0xE0001Mirror, Read0x1fff, sound_data_r
Memory Area:system1_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xCFFF4096RAM, Sharedram
0xD000-0xD7FF2048RAM, Sharedspriteram
0xD800-0xDFFF2048RAM Write, Sharedsystem1_paletteram_w, palette
0xE000-0xEFFF4096Read/Writesystem1_videoram_r, system1_videoram_w
0xF000-0xF3FF1024Read/Writesystem1_mixer_collision_r, system1_mixer_collision_w
0xF400-0xF7FF1024Writesystem1_mixer_collision_reset_w
0xF800-0xFBFF1024Read/Writesystem1_sprite_collision_r, system1_sprite_collision_w
0xFC00-0xFFFF1024Writesystem1_sprite_collision_reset_w
Memory Area:system1_ppi_io_map
Address RangeLengthFunctionDescription
0x00001Mirror, Read Port0x03, P1
0x00041Mirror, Read Port0x03, P2
0x00081Mirror, Read Port0x03, SYSTEM
0x000C1Mirror, Read Port0x02, SWA (/* DIP2 */)
0x000D1Mirror, Read Port0x02, SWB (/* DIP1 some games read it from here... */)
0x00101Mirror, Read Port0x03, SWB (/* DIP1 ... and some others from here but there are games which check BOTH! */)
0x0014-0x00174Device Read/Writeppi8255, i8255_device, read, write
 

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
0x0000-0x7FFF32768epr7100.ic18CRC(45e64431) (Fluke: 5CE9)
0x10000-0x17FFF32768epr7101.ic91CRC(ebf5ff72) (Fluke: 7933)
0x18000-0x1FFFF32768epr7102.ic92CRC(c890a4ad) (Fluke: 3DA6)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096315-5159.ic74
Memory Area:palette
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256epr7113.ic20CRC(5c0e1360),palette red component (Fluke: D7F4)
0x0100-0x01FF256epr7112.ic14CRC(46fbd351),palette green component (Fluke: BAB3)
0x0200-0x02FF256epr7111.ic8CRC(8123b6b9),palette blue component - N82S129AN (Fluke: B754)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0103260315-5137.binCRC(6ffd9e6f),TI PAL16R4A-2CN Located at IC10 (Fluke: 6F84)
0x0000-0x0103260315-5155.binLocated at IC7
0x0000-0x0103260315-5155.binLocated at IC13
0x0000-0x0103260315-5155.binLocated at IC19
0x0000-0x0103260315-5155.binLocated at IC13
0x0000-0x0103260315-5155.binLocated at IC19
0x0000-0x0103260315-5155.binLocated at IC7
0x0000-0x0103260315-5139.binCK2605 located at IC50
0x0000-0x0103260315-5155.binLocated at IC7
0x0000-0x0103260315-5138.binCRC(dd223015),TI PAL16R4ACN Located at IC11 (Fluke: 3E50)
0x0000-0x0103260315-5155.binLocated at IC13
0x0000-0x0103260315-5155.binLocated at IC19
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256epr5317.ic37CRC(648350b8),N82S129AN (Fluke: 48DB)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr7043.ic126CRC(99a368ab) (Fluke: 83DF)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr7110.ic26CRC(5d1a5048) (Fluke: ABA4)
0x8000-0xFFFF32768epr7106.ic22CRC(ae7ab7a2) (Fluke: 23CE)
0x10000-0x17FFF32768epr7108.ic24CRC(816180ac) (Fluke: D495)
0x18000-0x1FFFF32768epr7104.ic20CRC(84a679c5) (Fluke: A411)
0x20000-0x27FFF32768epr7109.ic25CRC(097f7481) (Fluke: 7290)
0x28000-0x2FFFF32768epr7105.ic21CRC(13111729) (Fluke: 7DA6)
0x30000-0x37FFF32768epr7107.ic23CRC(8f50ea24) (Fluke: 1766)
Memory Area:tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr7040.ic4CRC(f30769fa) (Fluke: DCC9)
0x8000-0xFFFF32768epr7041.ic5CRC(f3e273f9) (Fluke: FCC1)
0x10000-0x17FFF32768epr7042.ic6CRC(6841c917) (Fluke: F8AD)
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