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.
Memory Area:sliver_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x1000012Device Write 8-bitramdac, ramdac_device, index_w, 0x00ff
0x100002-0x1000032Device Write 8-bitramdac, ramdac_device, pal_w, 0x00ff
0x100004-0x1000052Device Write 8-bitramdac, ramdac_device, mask_w, 0x00ff
0x300002-0x3000032Read/Write NOP(// bit 0 tested, writes 0xe0 and 0xc0 - both r and w at the end of interrupt code)
0x300004-0x3000052Writeio_offset_w (//unknown i/o device)
0x300006-0x3000072Writeio_data_w
0x400000-0x4000012Read PortP1_P2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnusedActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000UnusedActive Low
0x400002-0x4000032Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Start 1Active Low
0x0008Coin 2Active Low
0x0010Start 2Active Low
0x0040UnknownActive High
0xffa4UnknownActive Low
0x400004-0x4000052Read PortDSW
0x000fCoinageActive High
0x00045C_1CActive High
0x00034C_1CActive High
0x00023C_1CActive High
0x00012C_1CActive High
0x000f1C_1CActive High
0x000e1C_2CActive High
0x000d1C_3CActive High
0x000c1C_4CActive High
0x000b1C_5CActive High
0x0000Free_PlayActive High
0x0030LivesActive High
0x00302Active High
0x00203Active High
0x00104Active High
0x00005Active High
0x00c0Game_TimeActive High
0x0000LongerActive High
0x0040LongActive High
0x00c0NormalActive High
0x0080ShortActive High
0x0300DifficultyActive High
0x0200EasyActive High
0x0300NormalActive High
0x0100HardActive High
0x0000HardestActive High
0x0400YesActive High
0x0000NoActive High
0x0800Demo_SoundsActive High
0x0000OffActive High
0x0800OnActive High
0x1000YesActive High
0x0000NoActive High
0x2000StepActive High
0x0000ContinuousActive High
0x4000OffActive High
0x0000OnActive High
0x400006-0x4000072Writefifo_data_w
0x400008-0x4000092Writefifo_clear_w
0x40000A-0x40000B2Writefifo_flush_w
0x40000C-0x40000D2Writejpeg1_w
0x40000E-0x40000F2Writejpeg2_w
0x400010-0x4000156Write NOP(//unknown)
0x400016-0x4000172Writesound_w
0x400018-0x4000192Write NOP(//unknown)
0xFF0000-0xFFFFFF65536RAM
Memory Area:soundmem_io
Address RangeLengthFunctionDescription
0x00001Writeoki_setbank
0x01001Device Read/Writeoki, okim6295_device, read, write
0x01011Device Readsoundlatch, generic_latch_8_device, read
Memory Area:soundmem_prg
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM
 

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
0x0000-0xFFFF65536ka-1.binCRC(56e616a2) (Fluke: EA75)
0x0000-0xFFFF65536ka-1.binCRC(56e616a2) (Fluke: EA75)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072ka-2.binCRC(3df96eb0) (Fluke: B725)
0x0000-0x1FFFF131072ka-2.binCRC(3df96eb0) (Fluke: B725)
0x20000-0x9FFFF524288ka-3.binCRC(33ee929c) (Fluke: 30AA)
0x20000-0x9FFFF524288ka-3.binCRC(33ee929c) (Fluke: 30AA)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288ka-10.binCRC(a6824271) (Fluke: E011)
0x0000-0x7FFFF524288ka-10.binCRC(a6824271)
0x80000-0xFFFFF524288ka-11.binCRC(4ae121ff) (Fluke: C8F1)
0x80000-0xFFFFF524288ka-11.binCRC(4ae121ff)
0x100000-0x17FFFF524288ka-12.binCRC(0901e142) (Fluke: 58A5)
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