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:mayumi_io_map
Address RangeLengthFunctionDescription
0x00301Read Port, WriteIN0, bank_sel_w
0x0080UnknownActive High
0x0040Coin 1Active Low
0x0020UnknownActive High
0x0008Service 2Active High
0x0004UnknownActive High
0x0002UnknownActive High
0x0001Memory ResetActive High
0x00C0-0x00C34Device Read/Writei8255, i8255_device, read, write
0x0080OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x00182C_1CActive High
0x00001C_1CActive High
0x00081C_2CActive High
0x00101C_3CActive High
0x0004OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0001OffActive High
0x0000OnActive High
0x00D0-0x00D12Device Read/Writeymsnd, ym2203_device, read, write
Memory Area:mayumi_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDFFF8192RAM, Sharednvram
0xE000-0xF7FF6144RAM Write, Sharedmayumi_videoram_w, videoram
 

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
0x0000-0xFFFF65536my30.binCRC(7f22d53f) (Fluke: 23D7)
0x10000-0x1FFFF65536my20.binCRC(18544029) (Fluke: 3F9B)
0x20000-0x2FFFF65536my10.binCRC(3b4f4f97) (Fluke: 16C3)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768my00.binCRC(33189e37) (Fluke: 5893)
0x8000-0x17FFF65536my01.binCRC(5280fb39) (Fluke: 6608)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256my-9m.binCRC(b18fd669) (Fluke: B048)
0x0100-0x01FF256my-9l.binCRC(f3fef561) (Fluke: 6208)
0x0200-0x02FF256my-9k.binCRC(3e7a8012) (Fluke: 4893)
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