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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.
Buggy Challenge (Taito Corporation (Tecfri license), 1984)
Memory Area:buggychl_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM(/* A22-04 (23) */)
0x4000-0x7FFF16384ROM(/* A22-05 (22) */)
0x8000-0x87FF2048RAM(/* 6116 SRAM (36) */)
0x8800-0x8FFF2048RAM(/* 6116 SRAM (35) */)
0x9000-0x9FFF4096Writebuggychl_sprite_lookup_w
0xA000-0xBFFF8192ROM Bank, Write, Sharedbank1, buggychl_chargen_w, charram
0xC800-0xCFFF2048RAM, Sharedvideoram
0xD1001Writebuggychl_ctrl_w
0xD2001Writebankswitch_w
0xD3001Device Writewatchdog, watchdog_timer_device, reset_w
0xD3031Writebuggychl_sprite_lookup_bank_w
0xD4001Device Read/Writebmcu, buggychl_mcu_device, buggychl_mcu_r, buggychl_mcu_w
0xD4011Device Readbmcu, buggychl_mcu_device, buggychl_mcu_status_r
0xD500-0xD57F128Write Only, Sharedspriteram
0xD6001Read PortDSW1
0xD6011Read PortDSW2
0xD6021Read PortDSW3
0xD6031Read PortIN0 (/* player inputs */)
0xD6081Read PortWHEEL
0xD6091Read PortIN1 (/* coin + accelerator */)
0xD6101Writesound_command_w
0xD6181Write NOP(/* accelerator clear */)
0xD700-0xD7FF256Device Write, Sharedpalette, palette_device, write, palette
0xD840-0xD85F32Write Only, Sharedscrollv
0xDB00-0xDBFF256Write Only, Sharedscrollh
0xDC041Write Only(/* should be fg scroll */)
0xDC061Writebuggychl_bg_scrollx_w
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x47FF2048RAM
0x4800-0x48012Device Writeay1, ay8910_device, address_data_w
0x4802-0x48032Device Writeay2, ay8910_device, address_data_w
0x4810-0x481D14Device Writemsm, msm5232_device, write
0x48201RAM(/* VOL/BAL for the 7630 on the MSM5232 output */)
0x48301RAM(/* TRBL/BASS for the 7630 on the MSM5232 output */)
0x50001Device Readsoundlatch, generic_latch_8_device, read
0x50011Writenmi_enable_w
0x50021Writenmi_disable_w
0x50031Writesound_enable_w
0xE000-0xEFFF4096ROM(/* space for diagnostics ROM */)
 

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
0x0000-0x3FFF16384a22-24.28CRC(1e7f841f) (Fluke: 41EE)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a22-06.111CRC(1df91b17) (Fluke: C423)
0x4000-0x7FFF16384a22-07.110CRC(2f0ab9b7) (Fluke: CBBE)
0x8000-0xBFFF16384a22-08.109CRC(49cb2134) (Fluke: 509E)
0xC000-0xFFFF16384a22-09.108CRC(e682e200) (Fluke: C3E3)
0x10000-0x13FFF16384a22-10.107CRC(653b7e25) (Fluke: 5CE9)
0x14000-0x17FFF16384a22-11.106CRC(8057b55c) (Fluke: A662)
0x18000-0x1BFFF16384a22-12.105CRC(8b365b24) (Fluke: 2A46)
0x1C000-0x1FFFF16384a22-13.104CRC(2c6d68fe) (Fluke: F082)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192a22-14.59CRC(a450b3ef),vertical (Fluke: 5B7F)
0x2000-0x2FFF4096a22-15.115CRC(337a0c14),horizontal (Fluke: 67EA)
0x3000-0x3FFF4096a22-16.116CRC(337a0c14),horizontal (Fluke: 67EA)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384bu04.binCRC(f90ab854) (Fluke: 2DAB)
0x4000-0x7FFF16384bu05.binCRC(543d0949) (Fluke: DE67)
0x10000-0x13FFF16384a22-01.3CRC(af3b7554),banked (Fluke: D925)
0x14000-0x17FFF16384a22-02.2CRC(b8a645fb),banked (Fluke: 1F8E)
0x18000-0x1BFFF16384a22-03.1CRC(5f45d469),banked (Fluke: 9F04)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048a22-19.31CRC(06a71df0) (Fluke: 5413)
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