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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.
Power Spikes (bootleg, 1991)
Memory Area:pspikesb_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x10FFFF65536RAM(/* work RAM */)
0x200000-0x203FFF16384RAM, Sharedspriteram1
0xC04000-0xC040012Write NOP
0xFF8000-0xFF8FFF4096RAM Write, Sharedaerofgt_bg1videoram_w, bg1videoram
0xFFC000-0xFFCBFF3072RAM, Sharedspriteram3
0xFFD000-0xFFDFFF4096RAM, Sharedrasterram (/* bg1 scroll registers */)
0xFFD200-0xFFD2012Writepspikesb_gfxbank_w
0xFFE000-0xFFEFFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xFFF000-0xFFF0012Read PortIN0
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnknownActive Low
0x0100Coin 1Active Low
0x0200Coin 2Active Low
0x0400Start 1Active Low
0x0800Start 2Active Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000Service 1Active Low
0x8000UnknownActive Low
0xFFF002-0xFFF0032Read PortIN1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnknownActive Low
0xFFF004-0xFFF0052Read Port, WriteDSW, aerofgt_bg1scrolly_w
0x0003Coin_AActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00031C_1CActive High
0x00001C_2CActive High
0x000cCoin_BActive High
0x00043C_1CActive High
0x00082C_1CActive High
0x000c1C_1CActive High
0x00001C_2CActive High
0x0040Demo_SoundsActive High
0x0040OffActive High
0x0000OnActive High
0x060012-12Active High
0x040011-11Active High
0x020011-12Active High
0x000010-12Active High
0x18009-9Active High
0x10007-7Active High
0x08005-5Active High
0x00000-0Active High
0x2000DifficultyActive High
0x2000NormalActive High
0x0000HardActive High
0x40003 minActive High
0x00002 minActive High
0x8000OffActive High
0x0000OnActive High
0xFFF006-0xFFF0072Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0xFFF008-0xFFF0092Writepspikesb_oki_banking_w
 

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
0x0000-0x1FFFF1310724.ic122CRC(ea1c05a7) (Fluke: 0C54)
0x20000-0x3FFFF1310725.ic120CRC(bfdc60f4) (Fluke: 437B)
0x40000-0x5FFFF1310726.ic118CRC(96a5c235) (Fluke: 8A47)
0x60000-0x7FFFF1310727.ic116CRC(a7e00b36) (Fluke: 12EF)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621448.ic121CRC(fc096cfc) (Fluke: C30B)
0x40000-0x7FFFF2621449.ic119CRC(a45ec985) (Fluke: 2C1A)
0x80000-0xBFFFF26214410.ic117CRC(3976b372) (Fluke: 88E6)
0xC0000-0xFFFFF26214411.ic115CRC(f9249937) (Fluke: 5393)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242881.ic21CRC(1b78ed0b) (Fluke: 37E1)
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