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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.
Moon Shuttle (Nichibutsu, 1981)
Memory Area:galaxian_map_base
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x43FF1024Mirror, RAM0x0400,
0x5000-0x53FF1024Mirror, RAM Write, Shared0x0400, galaxian_videoram_w, videoram
0x5800-0x58FF256Mirror, RAM Write, Shared0x0700, galaxian_objram_w, spriteram
0x60001Mirror, Read Port0x07ff, IN0
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Joystick RightActive High
0x0040UnknownActive High
0x0080UnknownActive High
0x6000-0x60012Mirror, Write0x07f8, start_lamp_w
0x60021Mirror, Write0x07f8, coin_lock_w
0x60031Mirror, Write0x07f8, coin_count_0_w
0x68001Mirror, Read Port0x07ff, IN1
0x0001Start 1Active High
0x0002Start 2Active High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Joystick RightActive High
0x0080UprightActive High
0x0000CocktailActive High
0x70001Mirror, Read Port0x07ff, IN2
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x000020000Active High
0x000430000Active High
0x00184C_1CActive High
0x00103C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00001C_1CActive High
0x00201C_2CActive High
0x00401C_3CActive High
0x00601C_4CActive High
0x0000OffActive High
0x0080OnActive High
0x70011Mirror, Write0x07f8, irq_enable_w
0x70041Mirror, Write0x07f8, galaxian_stars_enable_w
0x70061Mirror, Write0x07f8, galaxian_flip_screen_x_w
0x70071Mirror, Write0x07f8, galaxian_flip_screen_y_w
0x78001Mirror, Device Read0x07ff, watchdog, watchdog_timer_device, reset_r
Memory Area:mshuttle_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x83FF1024RAM
0x9000-0x93FF1024Mirror, RAM Write, Shared0x0400, galaxian_videoram_w, videoram
0x9800-0x98FF256Mirror, RAM Write, Shared0x0700, galaxian_objram_w, spriteram
0xA0001Read PortIN0
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Joystick RightActive High
0x0040UnknownActive High
0x0080UnknownActive High
0xA0001Writeirq_enable_w
0xA0011Writegalaxian_stars_enable_w
0xA0021Writegalaxian_flip_screen_xy_w
0xA0041Device Writecclimber_audio, cclimber_audio_device, sample_trigger_w
0xA0071Writemshuttle_ay8910_cs_w
0xA8001Device Writecclimber_audio, cclimber_audio_device, sample_rate_w
0xA8001Read PortIN1
0x0001Start 1Active High
0x0002Start 2Active High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Joystick RightActive High
0x0080UprightActive High
0x0000CocktailActive High
0xB0001Device Writecclimber_audio, cclimber_audio_device, sample_volume_w
0xB0001Read PortIN2
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x000020000Active High
0x000430000Active High
0x00184C_1CActive High
0x00103C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00001C_1CActive High
0x00201C_2CActive High
0x00401C_3CActive High
0x00601C_4CActive High
0x0000OffActive High
0x0080OnActive High
0xB8001Device Readwatchdog, watchdog_timer_device, reset_r
Memory Area:mshuttle_portmap
Address RangeLengthFunctionDescription
0x00081Writemshuttle_ay8910_control_w
0x00091Writemshuttle_ay8910_data_w
0x000C1Readmshuttle_ay8910_data_r
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096my09CRC(3601b380) (Fluke: C207)
0x0000-0x0FFF4096my09CRC(3601b380) (Fluke: C207)
0x0000-0x0FFF4096my09CRC(3601b380) (Fluke: C207)
0x0000-0x0FFF4096my09CRC(3601b380) (Fluke: C207)
0x1000-0x17FF2048my11CRC(b659e932) (Fluke: ADE8)
0x1000-0x17FF2048my11CRC(b659e932) (Fluke: ADE8)
0x1000-0x17FF2048my11CRC(b659e932) (Fluke: 44A3)
0x1000-0x17FF2048my11CRC(b659e932) (Fluke: ADE8)
0x2000-0x2FFF4096my08CRC(992b06cd) (Fluke: E2E7)
0x2000-0x2FFF4096my08CRC(992b06cd) (Fluke: E2E7)
0x2000-0x2FFF4096my08CRC(992b06cd) (Fluke: E2E7)
0x2000-0x2FFF4096my08CRC(992b06cd) (Fluke: E2E7)
0x3000-0x37FF2048my10CRC(d860e6ce) (Fluke: 44A3)
0x3000-0x37FF2048my10CRC(d860e6ce) (Fluke: 44A3)
0x3000-0x37FF2048my10CRC(d860e6ce) (Fluke: 44A3)
0x3000-0x37FF2048my10CRC(d860e6ce) (Fluke: 44A3)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096my05CRC(83574af1) (Fluke: 2EAB)
0x0000-0x0FFF4096my05CRC(83574af1) (Fluke: 2EAB)
0x1000-0x1FFF4096my04CRC(1cfae2c8) (Fluke: 6EB5)
0x1000-0x1FFF4096my04CRC(1cfae2c8) (Fluke: 6EB5)
0x2000-0x2FFF4096my03CRC(c8b8a368) (Fluke: 6E1F)
0x2000-0x2FFF4096my03CRC(c8b8a368) (Fluke: 6E1F)
0x3000-0x3FFF4096my02CRC(b6aeee6e) (Fluke: 50EC)
0x3000-0x3FFF4096my02CRC(b6aeee6e)
0x4000-0x4FFF4096my01CRC(def82adc)
0x4000-0x4FFF4096my01CRC(def82adc) (Fluke: 3333)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32mscprom1.binCRC(ea0d1af0) (Fluke: BC9E)
0x0000-0x001F32mscprom1.binCRC(ea0d1af0) (Fluke: BC9E)
0x0000-0x001F32mscprom1.binCRC(ea0d1af0) (Fluke: BC9E)
0x0000-0x001F32mscprom1.binCRC(ea0d1af0) (Fluke: BC9E)
Memory Area:samples
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096my07CRC(522a2920) (Fluke: BC4B)
0x0000-0x0FFF4096my07CRC(522a2920) (Fluke: BC4B)
0x0000-0x0FFF4096my07CRC(522a2920) (Fluke: BC4B)
0x0000-0x0FFF4096my07CRC(522a2920) (Fluke: BC4B)
0x1000-0x1FFF4096my06CRC(466415f2) (Fluke: C6EB)
0x1000-0x1FFF4096my06CRC(466415f2)
0x1000-0x1FFF4096my06CRC(466415f2)
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