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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.
Dai San Wakusei Meteor (Sun Electronics, 1979)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x1BFF7168ROM
0x2000-0x23FF1024RAM
0x2400-0x24FF256Mirror, Read Port0x100, IN0
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0008Joystick UpActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0040Joystick DownActive High
0x0080Coin 1Active High
0x2800-0x28FF256Mirror, Read Port0x100, IN1
0x0001Start 2Active High
0x0002Start 1Active High
0x0004Button 1Active High
0x0008Joystick RightActive High
0x0010Joystick LeftActive High
0x0020Button 1Active High
0x0040Joystick RightActive High
0x0080Joystick LeftActive High
0x30001Writedai3wksi_audio_1_w
0x34001Writedai3wksi_audio_2_w
0x38001Writedai3wksi_audio_3_w
0x8000-0xBFFF16384RAM, Sharedvideoram
 

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
0x0000-0x07FF2048tvg_13.6CRC(8e8b40b1)
0x0800-0x0FFF2048tvg_14.7CRC(d48cbabe)
0x1000-0x17FF2048tvg_15.8CRC(cf44bd60)
0x1800-0x1BFF1024tvg_16.9CRC(ae723f56)
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