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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.
Mysterious Stones - Dr. John's Adventure (Technos Japan, 1984)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x077F1920RAM
0x0780-0x07DF96RAM, Sharedspriteram
0x07E0-0x0FFF2080RAM
0x1000-0x17FF2048RAM, Sharedfg_videoram
0x1800-0x1FFF2048RAM, Sharedbg_videoram
0x20001Mirror, Read Port, Write, Shared0x1f8f, IN0, mystston_video_control_w, video_control
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x20101Mirror, Read Port, Write0x1f8f, IN1, irq_clear_w
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Start 1Active Low
0x0080Start 2Active Low
0x20201Mirror, Read Port, Write Only, Shared0x1f8f, DSW0, , scroll
0x0001LivesActive High
0x00013Active High
0x00005Active High
0x0002DifficultyActive High
0x0002EasyActive High
0x0000HardActive High
0x0004Demo_SoundsActive High
0x0004OffActive High
0x0000OnActive High
0x20301Mirror, Read Port, Write Only, Shared0x1f8f, DSW1, , ay8910_data
0x0003Coin_AActive High
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x000cCoin_BActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0020Flip_ScreenActive High
0x0000OffActive High
0x0020OnActive High
0x0040CabinetActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0x20401Mirror, Read NOP, Write, Shared0x1f8f, , mystston_ay8910_select_w, ay8910_select
0x20501Mirror, Read/Write NOP0x1f8f,
0x2060-0x207F32Mirror, RAM, Shared0x1f80, , paletteram
0x4000-0xFFFF49152ROM
 

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
0x0000-0x1FFF8192ms6CRC(85c83806) (Fluke: 7BA0)
0x2000-0x3FFF8192ms9CRC(b146c6ab) (Fluke: 1539)
0x4000-0x5FFF8192ms7CRC(d025f84d) (Fluke: 18BB)
0x6000-0x7FFF8192ms10CRC(d85015b5) (Fluke: 7CBF)
0x8000-0x9FFF8192ms8CRC(53765d89) (Fluke: 47B3)
0xA000-0xBFFF8192ms11CRC(919ee527) (Fluke: D629)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ms12CRC(72d8331d) (Fluke: 451A)
0x2000-0x3FFF8192ms13CRC(845a1f9b) (Fluke: 644E)
0x4000-0x5FFF8192ms14CRC(822874b0) (Fluke: 3449)
0x6000-0x7FFF8192ms15CRC(4594e53c) (Fluke: D815)
0x8000-0x9FFF8192ms16CRC(2f470b0f) (Fluke: 6B53)
0xA000-0xBFFF8192ms17CRC(38966d1b) (Fluke: 3D3E)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x4000-0x5FFF8192rom6.binCRC(7bd9c6cd) (Fluke: 636A)
0x6000-0x7FFF8192rom5.binCRC(a83f04a6) (Fluke: 4DE3)
0x8000-0x9FFF8192rom4.binCRC(46c73714) (Fluke: 79E2)
0xA000-0xBFFF8192rom3.binCRC(34f8b8a3) (Fluke: 556B)
0xC000-0xDFFF8192rom2.binCRC(bfd22cfc) (Fluke: FFF1)
0xE000-0xFFFF8192rom1.binCRC(fb163e38) (Fluke: B1B0)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32ic61CRC(e802d6cf) (Fluke: A6CB)
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