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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.
FixEight (bootleg, 1992)
Memory Area:fixeightbl_68k_mem
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// 0-7ffff ?)
0x100000-0x10FFFF65536RAM(// 100000-107fff 105000-105xxx 106000-106xxx 108000 - related to sound ?)
0x200000-0x2000012Read PortIN1
0x200004-0x2000052Read PortIN2
0x200008-0x2000092Read PortIN3
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040Start 3Active High
0x0080UnknownActive High
0xff00UnknownActive High
0x00002Active High
0x00013Active High
0x0002UnusedActive High
0x0000OffActive High
0x0002OnActive High
0x0004Semi-AutoActive High
0x0000Full-AutoActive High
0x000cBonus_LifeActive High
0x000cNoneActive High
0x0000500k and every 500kActive High
0x0008300k onlyActive High
0x0004300k and every 300kActive High
0x0030LivesActive High
0x00301Active High
0x00202Active High
0x00003Active High
0x00105Active High
0x0000OffActive High
0x0040OnActive High
0x0080Allow_ContinueActive High
0x0080NoActive High
0x0000YesActive High
0x20000C-0x20000D2Read PortDSWB
0x200010-0x2000112Read PortSYS
0x200014-0x2000152Writefixeightbl_oki_bankswitch_w (// Sound banking. Code at $4084c, $5070)
0x200018-0x2000192Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x20001C-0x20001D2Read PortDSWA
0x300000-0x30000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x400000-0x400FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x501FFF8192RAM Write, Sharedtoaplan2_tx_videoram_w, tx_videoram
0x700000-0x7000012Readvideo_count_r
0x800000-0x87FFFF524288ROM, Regionmaincpu, 0x80000
 

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:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152tp-026-3CRC(e5578d98) (Fluke: DA24)
0x200000-0x3FFFFF2097152tp-026-4CRC(b760cb53) (Fluke: A1AF)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242881.binCRC(888f19ac) (Fluke: A2C1)
Memory Area:text
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327684.binCRC(a6aca465) (Fluke: 96A9)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327685.binCRC(456dd16e) (Fluke: 8D4C)
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