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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.
Sky Smasher (Nihon System, 1990)
Memory Area:bloodbro_map
Address RangeLengthFunctionDescription
0xC0000-0xC004F80Device Read/Writecrtc, seibu_crtc_device, read, write
Memory Area:common_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x8AFFF45056RAM
0x8B000-0x8BFFF4096RAM, Sharedspriteram
0x8C000-0x8C3FF1024RAM Write, Sharedbgvideoram_w, bgvideoram
0x8C400-0x8CFFF3072RAM
0x8D000-0x8D3FF1024RAM Write, Sharedfgvideoram_w, fgvideoram
0x8D400-0x8D7FF1024RAM
0x8D800-0x8DFFF2048RAM Write, Sharedtxvideoram_w, txvideoram
0x8E000-0x8E7FF2048RAM
0x8E800-0x8F7FF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x8F800-0x8FFFF2048RAM
0xA0000-0xA000D14Device Read/Writeseibu_sound, seibu_sound_device, main_word_r, main_word_w
0xC0080-0xC00812Write NOP(// ??? IRQ Ack VBL?)
0xC00C0-0xC00C12Write NOP(// ??? watchdog?)
0xC0100-0xC01012Write NOP(// ??? written once)
0xE0000-0xE00012Read PortDSW
0x0300LivesActive High
0x02002Active High
0x03003Active High
0x01005Active High
0x0000InfiniteActive High
0x0c00Bonus_LifeActive High
0x0c00120K 200K+Active High
0x0800200K+Active High
0x0400250K+Active High
0x0000200KActive High
0x3000DifficultyActive High
0x0000EasyActive High
0x3000NormalActive High
0x2000HardActive High
0x1000Very_HardActive High
0x4000Allow_ContinueActive High
0x0000NoActive High
0x4000YesActive High
0x8000Demo_SoundsActive High
0x0000OffActive High
0x8000OnActive High
0xE0002-0xE00032Read PortIN0
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0xE0004-0xE00052Read PortIN1
0x0001Start 1Active Low
0x000eUnknownActive Low
0x0010Start 2Active Low
0x00e0UnknownActive Low
0x0100UnknownActive Low
0x0e00UnknownActive Low
0x1000Service 1Active Low
0xe000UnknownActive Low
Memory Area:skysmash_map
Address RangeLengthFunctionDescription
0xC0000-0xC004F80Device Read/Writecrtc, seibu_crtc_device, read_alt, write_alt
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768rom2CRC(75b194cf) (Fluke: A59A)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536rom3CRC(fbb241be),characters (Fluke: 607A)
0x10000-0x1FFFF65536rom4CRC(ad3cde81) (Fluke: 99AC)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576rom9CRC(b0a5eecf),Background + Foreground (Fluke: F280)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288rom10CRC(1bbcda5d),sprites (Fluke: CBC8)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072rom1CRC(e69986f6) (Fluke: E1DD)
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