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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.
World Grand Prix (Taito America Corporation, 1989)
Memory Area:cpu2_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x103FFF16384RAM
0x140000-0x143FFF16384RAM, Sharedsharedram
0x200000-0x2000034Read/Writewgp_sound_r,wgp_sound_w
0x380000-0x3800012Readlan_status_r (// ??)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x10FFFF65536RAM(/* main CPUA ram */)
0x140000-0x143FFF16384RAM, Sharedsharedram
0x180000-0x18000F16Device Read/Write 8-bittc0220ioc, tc0220ioc_device, read, write, 0xff00
0x1C0000-0x1C00012Writecpua_ctrl_w
0x200000-0x20000F16Read/Writewgp_adinput_r,wgp_adinput_w
0x300000-0x30FFFF65536Device Read/Writetc0100scn, tc0100scn_device, word_r, word_w (/* tilemaps */)
0x320000-0x32000F16Device Read/Writetc0100scn, tc0100scn_device, ctrl_word_r, ctrl_word_w
0x400000-0x40BFFF49152RAM, Sharedspritemap (/* sprite tilemaps */)
0x40C000-0x40DFFF8192RAM, Sharedspriteram (/* sprite ram */)
0x40FFF0-0x40FFF12Write NOP(/* ?? (writes 0x8000 and 0 alternately - Wgp2 just 0) */)
0x500000-0x501FFF8192RAM(/* unknown/unused */)
0x502000-0x517FFF90112Read/Write, Sharedwgp_pivram_word_r, wgp_pivram_word_w, pivram (/* piv tilemaps */)
0x520000-0x52001F32Read/Write, Sharedwgp_piv_ctrl_word_r, wgp_piv_ctrl_word_w, piv_ctrlram
0x600000-0x6000034Writerotate_port_w (/* rotation control ? */)
0x700000-0x701FFF8192RAM Device Write, Sharedpalette, palette_device, write, palette
Memory Area:z80_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankz80bank
0xC000-0xDFFF8192RAM
0xE000-0xE0034Device Read/Writeymsnd, ym2610_device, read, write
0xE2001Read NOP, Device Writetc0140syt, tc0140syt_device, slave_port_w
0xE2011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_w
0xE400-0xE4034Write NOP(/* pan */)
0xEA001Read NOP
0xEE001Write NOP(/* ? */)
0xF0001Write NOP(/* ? */)
0xF2001Writesound_bankswitch_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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536c32-24.34CRC(e9adb447) (Fluke: F28E)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288c32-09.16CRC(96495f35),SCR (Fluke: 1655)
Memory Area:ymsnd
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288c32-11.8CRC(2b326ff0) (Fluke: E2A1)
Memory Area:ymsnd.deltat
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288c32-12.7CRC(df48a37b) (Fluke: 5494)
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