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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.
Top Speed (Taito Corporation Japan, 1987)
Memory Area:cpua_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x400000-0x40FFFF65536RAM, Sharedsharedram
0x500000-0x503FFF16384RAM Device Write, Sharedpalette, palette_device, write, palette
0x600002-0x6000032Writecpua_ctrl_w
0x7E0000-0x7E00012Read NOP, Device Write 8-bittc0140syt, tc0140syt_device, master_port_w, 0x00ff
0x7E0002-0x7E00032Device Read/Write 8-bittc0140syt, tc0140syt_device, master_comm_r, master_comm_w, 0x00ff
0x800000-0x8003FF1024RAM, Sharedraster_ctrl
0x800400-0x80FFFF64512RAM
0x880000-0x8800078Write NOP(// Lamps/outputs?)
0xA00000-0xA0FFFF65536Device Read/Writepc080sn_1, pc080sn_device, word_r, word_w
0xA20000-0xA200034Device Writepc080sn_1, pc080sn_device, yscroll_word_w
0xA40000-0xA400034Device Writepc080sn_1, pc080sn_device, xscroll_word_w
0xA50000-0xA500034Device Writepc080sn_1, pc080sn_device, ctrl_word_w
0xB00000-0xB0FFFF65536Device Read/Writepc080sn_2, pc080sn_device, word_r, word_w
0xB20000-0xB200034Device Writepc080sn_2, pc080sn_device, yscroll_word_w
0xB40000-0xB400034Device Writepc080sn_2, pc080sn_device, xscroll_word_w
0xB50000-0xB500034Device Writepc080sn_2, pc080sn_device, ctrl_word_w
0xD00000-0xD00FFF4096RAM, Sharedspriteram
0xE00000-0xE0FFFF65536RAM, Sharedspritemap
Memory Area:cpub_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFF131072ROM
0x400000-0x40FFFF65536RAM, Sharedsharedram
0x880000-0x8800012Read 8-bit, Device Write 8-bitinput_bypass_r, 0x00ff, tc0220ioc, tc0220ioc_device, portreg_w, 0x00ff
0x0003CabinetActive High
0x0003DeluxeActive High
0x0002StandardActive High
0x0001StandardActive High
0x0000MiniActive High
0x880002-0x8800032Device Read/Write 8-bittc0220ioc, tc0220ioc_device, port_r, port_w, 0x00ff
0x0003CabinetActive High
0x0003DeluxeActive High
0x0002StandardActive High
0x0001StandardActive High
0x0000MiniActive High
0x900000-0x9003FF1024Read/Writemotor_r, motor_w
Memory Area:z80_io
Address RangeLengthFunctionDescription
0x00001Device Read/Writectc, z80ctc_device, read, write
Memory Area:z80_prg
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Banksndbank
0x8000-0x8FFF4096RAM
0x9000-0x90012Device Read/Writeymsnd, ym2151_device, read, write
0xA0001Device Writetc0140syt, tc0140syt_device, slave_port_w
0xA0011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_w
0xB000-0xCFFF8192Writemsm5205_command_w
0xD000-0xDFFF4096Writevolume_w
 

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:adpcm
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b14-28.103CRC(df11d0ae) (Fluke: F62C)
0x10000-0x1FFFF65536b14-29.109CRC(7ad983e7) (Fluke: 3FC6)
Memory Area:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384b14-25.67CRC(9eab28ef) (Fluke: B37A)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536b14-30.88CRC(dccb0c7f) (Fluke: EE17)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192b14-31.90CRC(5c6b013d) (Fluke: AB1C)
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