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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 Instinct (bootleg, 1993)
Memory Area:powerins_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x1000012Read PortSYSTEM
0x100002-0x1000032Read PortP1_P2
0x100008-0x1000092Read PortDSW1
0x10000A-0x10000B2Read PortDSW2
0x100014-0x1000152Write 8-bitflipscreen_w, 0x00ff
0x100016-0x1000172Write NOP(// ? always 1)
0x100018-0x1000192Write 8-bittilebank_w, 0x00ff
0x10001E-0x10001F2Device Write 8-bitsoundlatch, generic_latch_8_device, write, 0x00ff
0x120000-0x120FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x130000-0x1300078RAM, Sharedvctrl_0
0x140000-0x143FFF16384RAM Write, Sharedvram_0_w, vram_0
0x170000-0x170FFF4096RAM Write, Sharedvram_1_w, vram_1
0x171000-0x171FFF4096Writevram_1_w
0x180000-0x18FFFF65536RAM, Sharedspriteram
Memory Area:powerins_sound_io_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeym2203, ym2203_device, read, write
0x00801Device Read/Writeoki1, okim6295_device, read, write
0x00881Device Read/Writeoki2, okim6295_device, read, write
0x0090-0x00978Device Writenmk112, nmk112_device, okibank_w
Memory Area:powerins_sound_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xDFFF8192RAM
0xE0001Device Readsoundlatch, generic_latch_8_device, read
Memory Area:powerinsa_map
Address RangeLengthFunctionDescription
0x100030-0x1000312Write 8-bitpowerinsa_okibank_w, 0x00ff
0x10003E-0x10003F2Device Read/Write 8-bitoki1, okim6295_device, read, write, 0x00ff
 

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
0x0000-0x1FFFFF2097152rom6CRC(b6c10f80) (Fluke: BDEB)
0x200000-0x27FFFF524288rom4CRC(2dd76149) (Fluke: F804)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072rom3CRC(6a579ee0) (Fluke: C92C)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152rom10CRC(efad50e8) (Fluke: 3332)
0x200000-0x3FFFFF2097152rom9CRC(08229592) (Fluke: 7FB2)
0x400000-0x5FFFFF2097152rom8CRC(b02fdd6d) (Fluke: 4CCD)
0x600000-0x7FFFFF2097152rom7CRC(92ab9996) (Fluke: A52A)
Memory Area:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288rom5CRC(88579c8f) (Fluke: 8B25)
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