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:mem_io
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192RAM
0x00001Read/Writehsync_r, video_w
0x20031Read PortIN0
0x0001CollectActive Low
0x0002Card 1 / Double-UpActive Low
0x0004Card 2Active Low
0x0008Card 3Active Low
0x0010Card 4Active Low
0x0020Card 5 / Winning PlanActive Low
0x0040BetActive Low
0x0080StartActive Low
0x20051Read PortIN1
0x0001Unknown1Active Low
0x0002Coin 1Active Low
0x0004Bookkeeping InfoActive Low
0x0008Payout 2Active Low
0x0010ServiceActive Low
0x0020Unknown2Active Low
0x0040PayoutActive Low
0x0080Unknown3Active Low
0x20061Read PortDSW
0x0002OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x00f5SpecialActive High
0x20071Writelamps_w
0x20081Read/Write NOP(// set to 1 during coin input)
0x2100-0x213F64Read/Writeasic_r, asic_w
0x24001Device Read/Writeoki, okim6295_device, read, write
0x28001Device Writecrtc, mc6845_device, address_w
0x28011Device Writecrtc, mc6845_device, register_w
0x30031Writea3003_w
0xC000-0xDFFF8192Write, Sharedvram_w, videoram
0xE000-0xFFFF8192Write, Sharedattr_w, colorram
Memory Area:mem_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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536dns0401.u23CRC(5bbaf5c1) (Fluke: F6E2)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621443a.u3CRC(9fa543c5) (Fluke: 6F79)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51282s147.u33CRC(a3b95911) (Fluke: 45F1)
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