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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.
Dora-chan (Alpha Denshi Co. / Craul Denshi, 1980)
Memory Area:dorachan_io_map
Address RangeLengthFunctionDescription
0x00011Write NOP
0x00021Write NOP
0x00031Writecontrol_w
Memory Area:dorachan_map
Address RangeLengthFunctionDescription
0x0000-0x17FF6144ROM
0x1800-0x1FFF2048RAM
0x2000-0x23FF1024ROM
0x24001Mirror, Read0x03ff, protection_r
0x28001Mirror, Read Port0x03ff, IN0
0x0001Coin 1Active Low
0x0002Start 1Active Low
0x0004Start 2Active Low
0x0008Button 1Active Low
0x0010Button 1Active Low
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x2C001Mirror, Read Port0x03ff, IN1
0x0001Joystick DownActive Low
0x0002Joystick UpActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Joystick DownActive Low
0x0020Joystick UpActive Low
0x0040Joystick LeftActive Low
0x0080Joystick RightActive Low
0x38001Mirror, Read0x03ff, v128_r
0x4000-0x5FFF8192RAM, Sharedvideoram
0x6000-0x77FF6144ROM
 

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:colors
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024d14.romCRC(c0d3ee84) (Fluke: 480B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024c1.e1CRC(29d66a96) (Fluke: 70FE)
0x0400-0x07FF1024d2.e2CRC(144b6cd1) (Fluke: C838)
0x0800-0x0BFF1024d3.e3CRC(a9a1bed7) (Fluke: ACD4)
0x0C00-0x0FFF1024d4.e5CRC(099ddf4b) (Fluke: 294F)
0x1000-0x13FF1024c5.e6CRC(49449dab) (Fluke: FAAB)
0x1400-0x17FF1024d6.e7CRC(5e409680) (Fluke: 9FE9)
0x2000-0x23FF1024c7.e8CRC(b331a5ff) (Fluke: 917C)
0x6000-0x63FF1024d8.romCRC(5fe1e731) (Fluke: F740)
0x6400-0x67FF1024d9.romCRC(338881a8) (Fluke: 0352)
0x6800-0x6BFF1024d10.romCRC(f8c59517) (Fluke: DB6C)
0x6C00-0x6FFF1024d11.romCRC(c2e0f066) (Fluke: 51BB)
0x7000-0x73FF1024d12.romCRC(275e5dc1) (Fluke: 5CDD)
0x7400-0x77FF1024d13.romCRC(24ccfcf9) (Fluke: 961C)
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