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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.
Mr. Do's Castle (Universal, 1983)
Memory Area:docastle_io_map
Address RangeLengthFunctionDescription
0x00001Device Writecrtc, mc6845_device, address_w
0x00021Device Writecrtc, mc6845_device, register_w
Memory Area:docastle_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x97FF6144RAM
0x9800-0x99FF512RAM, Sharedspriteram
0xA000-0xA0089Read/Writedocastle_shared0_r, docastle_shared1_w
0xA8001Device Writewatchdog, watchdog_timer_device, reset_w
0xB000-0xB3FF1024Mirror, RAM Write, Shared0x0800, docastle_videoram_w, videoram
0xB400-0xB7FF1024Mirror, RAM Write, Shared0x0800, docastle_colorram_w, colorram
0xE0001Writedocastle_nmitrigger_w
Memory Area:docastle_map2
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x8000-0x87FF2048RAM
0xA000-0xA0089Read/Writedocastle_shared1_r, docastle_shared0_w
0xC0011Mirror, Read Port0x0080, DSW2
0x000fCoin_BActive High
0x00064C_1CActive High
0x00083C_1CActive High
0x000a2C_1CActive High
0x00073C_2CActive High
0x000f1C_1CActive High
0x00092C_3CActive High
0x000e1C_2CActive High
0x000d1C_3CActive High
0x000c1C_4CActive High
0x000b1C_5CActive High
0x0000Free_PlayActive High
0x00f0Coin_AActive High
0x00604C_1CActive High
0x00803C_1CActive High
0x00a02C_1CActive High
0x00703C_2CActive High
0x00f01C_1CActive High
0x00902C_3CActive High
0x00e01C_2CActive High
0x00d01C_3CActive High
0x00c01C_4CActive High
0x00b01C_5CActive High
0x0000Free_PlayActive High
0xC0021Mirror, Read Port0x0080, DSW1
0x0003DifficultyActive High
0x00031 (Beginner)Active High
0x00022Active High
0x00013Active High
0x00004 (Advanced)Active High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010EasyActive High
0x0000DifficultActive High
0x0020CabinetActive High
0x0000UprightActive High
0x0020CocktailActive High
0x00c0LivesActive High
0x00002Active High
0x00c03Active High
0x00804Active High
0x00405Active High
0xC0031Mirror, Read Port0x0080, JOYS
0x0001Joystick RightActive Low
0x0002Joystick UpActive Low
0x0004Joystick LeftActive Low
0x0008Joystick DownActive Low
0x0010Joystick RightActive Low
0x0020Joystick UpActive Low
0x0040Joystick LeftActive Low
0x0080Joystick DownActive Low
0xC0041Mask, Read/Write0x0080, flipscreen_r, flipscreen_w
0xC0051Mirror, Read Port0x0080, BUTTONS
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004UnusedActive Low
0x0008Start 1Active Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080Start 2Active Low
0xC0071Mirror, Read Port0x0080, SYSTEM
0x0001TiltActive Low
0x0004Service 1Active Low
0x0008OffActive High
0x0000OnActive High
0x0010Coin 2Active Low
0x0020Coin 1Active Low
0x00c0UnusedActive Low
0xE0001Device Writesn1, sn76489a_device, write
0xE4001Device Writesn2, sn76489a_device, write
0xE8001Device Writesn3, sn76489a_device, write
0xEC001Device Writesn4, sn76489a_device, write
Memory Area:docastle_map3
Address RangeLengthFunctionDescription
0x0000-0x00FF256ROM
0x4000-0x47FF2048RAM
0x8000-0x80089Readdocastle_shared1_r (// ???)
0xC0031Read/Write NOP(// EP according to schematics)
0xC432-0xC4354Read/Write NOP(// ???)
 

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:cpu3
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51201d.binCRC(2747ca77) (Fluke: DE16)
0x0000-0x01FF51201d.binCRC(2747ca77) (Fluke: DE16)
0x0000-0x01FF51201d.binCRC(2747ca77) (Fluke: DE16)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF1638403a_a5.binCRC(0636b8f4) (Fluke: FA67)
0x0000-0x3FFF1638403a_a5.binCRC(0636b8f4) (Fluke: FA67)
0x0000-0x3FFF1638403a_a5.binCRC(0636b8f4) (Fluke: FA67)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819204m_a6.binCRC(3bbc9b26) (Fluke: 385D)
0x0000-0x1FFF819204m_a6.binCRC(3bbc9b26) (Fluke: 385D)
0x2000-0x3FFF819204l_a7.binCRC(3dfaa9d1) (Fluke: D19A)
0x2000-0x3FFF819204l_a7.binCRC(3dfaa9d1) (Fluke: D19A)
0x4000-0x5FFF819204j_a8.binCRC(9afb16e9) (Fluke: 5E54)
0x4000-0x5FFF819204j_a8.binCRC(9afb16e9) (Fluke: 5E54)
0x6000-0x7FFF819204h_a9.binCRC(af24bce0) (Fluke: 4E13)
0x6000-0x7FFF819204h_a9.binCRC(af24bce0) (Fluke: 4E13)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819201p_a1.binCRC(17c6fc24) (Fluke: 193A)
0x2000-0x3FFF819201n_a2.binCRC(1d2fc7f4) (Fluke: 5C12)
0x4000-0x5FFF819201l_a3.binCRC(71a70ba9) (Fluke: E8D0)
0x6000-0x7FFF819201k_a4.binCRC(479a745e) (Fluke: 966C)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51209c.binCRC(066f52bc) (Fluke: 2000)
0x0000-0x01FF51209c.binCRC(066f52bc) (Fluke: 2000)
Memory Area:slave
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF1638407n_a0.binCRC(f23b5cdb) (Fluke: 98C5)
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