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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.
Space Bugger (Game-A-Tron, 1981)
Memory Area:sbugger_io_map
Address RangeLengthFunctionDescription
0x00E0-0x00E78Device Read/Writei8156, i8155_device, io_r, io_w
0x00E81Device Writesn76489.1, sn76489_device, write
0x00E91Device Writesn76489.2, sn76489_device, write
Memory Area:sbugger_map
Address RangeLengthFunctionDescription
0x0000-0x37FF14336ROM
0xC800-0xCBFF1024RAM Write, Sharedvideoram_attr_w, videoram_attr
0xCC00-0xCFFF1024RAM Write, Sharedvideoram_w, videoram
0xE000-0xE0FF256Device Read/Writei8156, i8155_device, memory_r, memory_w (/* sp is set to e0ff */)
0xF400-0xFFFF3072RAM
 

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
0x0000-0x0FFF4096spbugger.gfxCRC(d3f345b5) (Fluke: 926C)
0x0000-0x0FFF4096spbugger.gfxCRC(d3f345b5) (Fluke: 926C)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048spbugger.u35CRC(7c2000a1) (Fluke: 85)
0x0800-0x0FFF2048spbugger.u22BAD_DUMP CRC(66e00c53) (Fluke: AB9E)
0x1000-0x17FF2048spbugger.u34CRC(db357dde) (Fluke: 2EF8)
0x1800-0x1FFF2048spbugger.u21CRC(618a5b2a) (Fluke: 724C)
0x2000-0x27FF2048spbugger.u20CRC(8957563c) (Fluke: 0DC0)
0x2800-0x2FFF2048spbugger.u33CRC(f6cb1399) (Fluke: A866)
0x3000-0x37FF2048spbugger.u32CRC(f49af2b3) (Fluke: 8005)
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