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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 Star (Nova, 1994)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x220000-0x23FFFF131072RAM
0x240000-0x240FFF4096RAM, Sharednvram
0x300000-0x3000034Write, Sharedcontrol_w, control
0x300000-0x3000012Read Port300000
0x300002-0x3000032Read Port300002
0x300004-0x3000074Writeprotection_bit_w
0x300004-0x3000052Read Port300004
0x300006-0x3000072Read Port300006
0x300008-0x3000092Read Port300008
0x30000A-0x30000B2Read Port30000a
0x360000-0x3600012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x380000-0x3800078Device Read/Writetms, tms34010_device, host_r, host_w
Memory Area:shtstar_guncpu_io_map
Address RangeLengthFunctionDescription
0xC000-0xCFFF4096RAM
Memory Area:shtstar_guncpu_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
Memory Area:shtstar_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x200000-0x27FFFF524288RAM
0x280000-0x280FFF4096RAM, Sharednvram
0x300000-0x3000034Write, Sharedcontrol_w, control
0x340000-0x3400012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x380000-0x3800078Device Read/Writetms, tms34010_device, host_r, host_w
0x3C0000-0x3C00012Read Port3c0000
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Start 1Active High
0x0020Button 1Active High
0x0040Button 2Active High
0x0080Button 3Active High
0xff00UnusedActive Low
0x3C0002-0x3C00032Read Port3c0002
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Start 2Active High
0x0020Button 1Active High
0x0040Button 2Active High
0x0080Button 3Active High
0xff00UnusedActive Low
0x3C0004-0x3C00074Writeprotection_bit_w
0x3C0004-0x3C00052Read Port3c0004
0x0006LanguageActive High
0x0000FrenchActive High
0x0002ItalianActive High
0x0004EnglishActive High
0x0006GermanActive High
0x0018LivesActive High
0x00083Active High
0x00184Active High
0x00005Active High
0x00106Active High
0x0020Demo_SoundsActive High
0x0020OffActive High
0x0000OnActive High
0x00c0DifficultyActive High
0x00c0EasyActive High
0x0040NormalActive High
0x0080HardActive High
0x0000Very_HardActive High
0xff00UnusedActive Low
0x3C0006-0x3C00072Read Port3c0006
0x00026C_1CActive High
0x00065C_1CActive High
0x00014C_1CActive High
0x00053C_1CActive High
0x00032C_1CActive High
0x00071C_1CActive High
0x00041C_2CActive High
0x00001C_4CActive High
0x00004C_1CActive High
0x00202C_1CActive High
0x00381C_1CActive High
0x00181C_2CActive High
0x00281C_3CActive High
0x00081C_4CActive High
0x00301C_5CActive High
0x00101C_6CActive High
0x0040Free_PlayActive High
0x0040OffActive High
0x0000OnActive High
0xff00UnusedActive Low
0x3C0008-0x3C00092Read Port3c0008
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0004Coin 3Active High
0x0008Coin 4Active High
0x00f0UnknownActive Low
0xff00UnusedActive Low
0x3C000A-0x3C000B2Read Port3c000a
0x0001SpecialActive High
0x0002SpecialActive High
0x00fcUnknownActive Low
0xff00UnusedActive Low
0x3C0012-0x3C00132Readshtstar_unk_r
0x3C0016-0x3C00172Readshtstar_unk_2_r
Memory Area:shtstar_subcpu_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0xFFC000-0xFFFFFF16384RAM
Memory Area:tms_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152RAM, Sharedvram0
0x400000-0x5FFFFF2097152RAM, Sharedvram1
0x800000-0x80007F128Read/Writeartmagic_blitter_r, artmagic_blitter_w
0xC00000-0xC000FF256Device Read/Write 8-bittlc34076, tlc34076_device, read, write, 0x00ff
0xC0000000-0xC00001FF512Device Read/Writetms, tms34010_device, io_register_r, io_register_w
0xFFE00000-0xFFFFFFFF2097152RAM
 

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:guncpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288a&m005c0494_13a.u134CRC(f101136a)
0x0000-0x7FFF327682207_7b42c5.u6CRC(6dd4b4ed)
0x80000-0xFFFFF524288a&m005c0494_14a.u135CRC(3e847f8f)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144a&m005c0494_12a.u151CRC(2df3db1e)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512a&m005c0494_06a.u126
0x0200-0x03FF512a&m005c0494_03a.u125
0x0400-0x05FF512a&m005c0494_02a.u307
0x0600-0x07FF512a&m005c0494_18a.u306
0x0800-0x09FF512a&m005c0494_17a.u305
0x0A00-0x0BFF512a&m005c0494_05a.u206
0x0C00-0x0DFF512a&m005c0494_01a.u205
0x0E00-0x0FFF512a&m005c0494_04a.u601
0x1000-0x11FF512a&m005c0494_08a.u916
0x1200-0x13FF512a&m005c0494_07a.u705
0x1400-0x15FF512a&m005c0494_10a.u917
0x1600-0x17FF512a&m005c0494_09a.u903
0x1800-0x19FF512a&m005c0494_11a.u112
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