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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.
Chase H.Q. (Taito Corporation Japan, 1988)
Memory Area:chasehq_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x107FFF32768RAM
0x108000-0x10BFFF16384RAM, Sharedshare1
0x10C000-0x10FFFF16384RAM
0x400000-0x4000012Read 8-bit, Device Write 8-bitchasehq_input_bypass_r, 0x00ff, tc0220ioc, tc0220ioc_device, portreg_w, 0x00ff
0x0003CabinetActive High
0x0003Upright / Steering LockActive High
0x0002Upright / No Steering LockActive High
0x0001Full Throttle Convert, CockpitActive High
0x0000Full Throttle Convert, DeluxeActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x400002-0x4000032Device Read/Write 8-bittc0220ioc, tc0220ioc_device, port_r, port_w, 0x00ff
0x0003CabinetActive High
0x0003Upright / Steering LockActive High
0x0002Upright / No Steering LockActive High
0x0001Full Throttle Convert, CockpitActive High
0x0000Full Throttle Convert, DeluxeActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x800000-0x8000012Writechasehq_cpua_ctrl_w
0x820000-0x8200034Read/Writetaitoz_sound_r, taitoz_sound_w
0xA00000-0xA000078Device Read/Writetc0110pcr, tc0110pcr_device, word_r, step1_word_w (/* palette */)
0xC00000-0xC0FFFF65536Device Read/Writetc0100scn, tc0100scn_device, word_r, word_w (/* tilemaps */)
0xC20000-0xC2000F16Device Read/Writetc0100scn, tc0100scn_device, ctrl_word_r, ctrl_word_w
0xD00000-0xD007FF2048RAM, Sharedspriteram
0xE00000-0xE003FF1024Read/Writechasehq_motor_r, chasehq_motor_w (/* motor cpu */)
Memory Area:chq_cpub_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFF131072ROM
0x100000-0x103FFF16384RAM
0x108000-0x10BFFF16384RAM, Sharedshare1
0x800000-0x801FFF8192Device Read/Writetc0150rod, tc0150rod_device, word_r, word_w
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
0xE400-0xE4034Writetaitoz_pancontrol (/* 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
0x0000-0xFFFF65536b52-137.51CRC(37abb74a) (Fluke: DE5F)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b52-29.27CRC(8366d27c),SCR 8x8 (Fluke: 9E79)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0143324pal20l8b-b52-17.ic18CRC(4851316d) (Fluke: 5D97)
0x0200-0x0343324pal20l8b-b52-17.ic16CRC(4851316d) (Fluke: 5D97)
0x0400-0x0543324pal20l8b-b52-17.ic53CRC(4851316d) (Fluke: 5D97)
0x0600-0x0743324pal20l8b-b52-17.ic55CRC(4851316d) (Fluke: 5D97)
0x0800-0x0903260pal16l8b-b52-19.ic33CRC(3ba292dc) (Fluke: EE10)
0x0A00-0x0B03260pal16l8b-b52-20.ic35CRC(bd39ad73) (Fluke: 497F)
0x0C00-0x0D03260pal16l8b-b52-21.ic51CRC(2fe76aa4) (Fluke: 3887)
0x0E00-0x0F43324pal20l8b-b52-25.ic123CRC(372b632d) (Fluke: DE5E)
0x1000-0x1143324pal20l8b-b52-26.ic15CRC(d94f2bc2) (Fluke: 097F)
0x1200-0x1343324pal20l8b-b52-26.ic18CRC(d94f2bc2) (Fluke: 097F)
0x1400-0x1543324pal20l8b-b52-26.ic52CRC(d94f2bc2) (Fluke: 097F)
0x1600-0x1743324pal20l8b-b52-26.ic54CRC(d94f2bc2) (Fluke: 097F)
0x1800-0x1943324pal20l8b-b52-27.ic64CRC(61c2ab26) (Fluke: 8675)
0x1A00-0x1B43324pal20l8b-b52-118.ic20CRC(9c5fe4af) (Fluke: 2466)
0x1C00-0x1D43324pal20l8b-b52-119.ic21CRC(8b8e2106) (Fluke: 5AA9)
0x1E00-0x1F03260pal16l8b-b52-120.ic56CRC(3e7effa0) (Fluke: 6DC1)
0x2000-0x2143324pal20l8b-b52-121.ic57CRC(7056fd1d) (Fluke: E7D2)
0x2200-0x2303260pal16l8b-b52-122.ic124CRC(04c0fb04) (Fluke: C942)
0x2400-0x2503260pal16l8b-b52-123.ic125CRC(3865d1c8) (Fluke: 6202)
0x2600-0x2703260pal16l8b-b52-124.ic180CRC(d448a25a),is this read protected? - taken from chasehqju
0x2800-0x2903260pal16l8b-b52-125.ic112CRC(7628c557) (Fluke: C460)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256b52-06.24CRC(fbf81f30) (Fluke: 6538)
0x0000-0x03FF1024b52-03.135CRC(a3f8490d) (Fluke: AE2E)
0x0000-0xFFFF65536b52-51.65CRC(30cc1f79) (Fluke: 7DC5)
0x0000-0x03FF1024b52-126.136CRC(fa2f840e) (Fluke: D974)
0x0000-0x03FF1024b52-127.156CRC(77682a4f) (Fluke: 9183)
0x0000-0x00FF256b52-18aCRC(6271be0d) (Fluke: D9A8)
0x0000-0x1FFF8192b52-49.68CRC(60dd2ed1) (Fluke: 9A4B)
0x0000-0x00FF256b52-01.7CRC(89719d17) (Fluke: 6412)
0x0000-0x00FF256b52-18.93CRC(60bdaf1a) (Fluke: 1970)
0x0000-0xFFFF65536b52-50.66CRC(c189781c) (Fluke: EE6C)
Memory Area:ymsnd
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b52-115.71CRC(4e117e93) (Fluke: 4D87)
0x80000-0xFFFFF524288b52-114.72CRC(3a73d6b1) (Fluke: A5FF)
0x100000-0x17FFFF524288b52-113.73CRC(2c6a3a05) (Fluke: 3202)
Memory Area:ymsnd.deltat
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b52-116.70CRC(ad46983c) (Fluke: CC9C)
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