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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.
Motor Show (Mr Game, 1989)
Memory Area:audio1_io
Address RangeLengthFunctionDescription
0x00001Device Writedacvol, dac_byte_interface, write (//DA1)
0x00011Readsound_r (//IN1)
0x00021Writeack1_w (//AKL1)
0x00031Write NOP(//SGS pass data to M114)
Memory Area:audio1_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM, Regionaudio1, 0
0xFC00-0xFFFF1024RAM
Memory Area:audio2_io
Address RangeLengthFunctionDescription
0x00001Device Writeldac, dac_byte_interface, write (//DA2)
0x00011Readsound_r (//IN2)
0x00021Writeack2_w (//AKL2)
0x00031Device Read/Writetms, tms5220_device, status_r, data_w (//Speech)
0x00041Device Writerdac, dac_byte_interface, write (//DA3)
Memory Area:audio2_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM, Regionaudio2, 0
0xFC00-0xFFFF1024RAM
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM, Regionroms, 0
0x20000-0x2FFFF65536RAM, Sharednvram
0x30000-0x300012Read 8-bitrsw_r, 0xff (//RSW ACK)
0x30002-0x300032Write 8-bitsound_w, 0xff (//W SOUND)
0x30004-0x300052Write 8-bitvideo_w, 0xff00 (//W VID)
0x30006-0x300072Write 8-bittriple_w, 0xff (//W CS)
0x30008-0x300092Write NOP(//W DATA - lamp/sol data)
0x3000A-0x3000B2Write 8-bitrow_w, 0xff (//W ROW)
0x3000C-0x3000D2Read 8-bitcol_r, 0xff (//R COL)
0x3000E-0x3000F2Write NOP(//EXT ADD - lamp/sol data)
Memory Area:video_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM, Regionvideo, 0
0x4000-0x47FF2048RAM
0x4800-0x4BFF1024Mirror, RAM, Shared0x0400, , videoram
0x5000-0x50FF256Mirror, RAM, Shared0x0700, , objectram
0x6800-0x68078Mirror, Write0x07f8, video_ctrl_w
0x7000-0x77FF2048Read NOP(//AFR - looks like a watchdog)
0x8100-0x81034Mirror, Device Read/Write0x7efc, ppi, i8255_device, read, write
 

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:audio1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768snd_ic06.romCRC(fba5a8f1)
Memory Area:audio2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768snd_ic35.romCRC(9dec153d)
0x8000-0xFFFF32768snd_ic36.romCRC(4f42be6e)
Memory Area:chargen
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768vid_ic55.romCRC(c27a4ded)
0x8000-0xFFFF32768vid_ic56.romCRC(1664ec8d)
Memory Area:m114
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384snd_ic22.romCRC(e6c1098e)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32vid_ic66.romCRC(5b585252)
Memory Area:video
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768vid_ic14.romCRC(1d4568e2)
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