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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.
Aqua Jack (Taito America Corporation, 1990)
Memory Area:aquajack_cpub_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x103FFF16384RAM
0x104000-0x107FFF16384RAM, Sharedshare1
0x200000-0x20000F16Device Read/Write 8-bittc0220ioc, tc0220ioc_device, read, write, 0x00ff
0x300000-0x3000034Read/Writetaitoz_sound_r, taitoz_sound_w
0x800800-0x80083F64Readaquajack_unknown_r (// Read regularly after write to 800800...)
Memory Area:aquajack_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x103FFF16384RAM
0x104000-0x107FFF16384RAM, Sharedshare1
0x200000-0x2000012Writecpua_ctrl_w (// not needed, but it's probably like the others)
0x300000-0x3000078Device Read/Writetc0110pcr, tc0110pcr_device, word_r, step1_word_w (/* palette */)
0x800000-0x801FFF8192Device Read/Writetc0150rod, tc0150rod_device, word_r, word_w
0xA00000-0xA0FFFF65536Device Read/Writetc0100scn, tc0100scn_device, word_r, word_w (/* tilemaps */)
0xA20000-0xA2000F16Device Read/Writetc0100scn, tc0100scn_device, ctrl_word_r, ctrl_word_w
0xC40000-0xC403FF1024RAM, Sharedspriteram
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
0x0000-0xFFFF65536b77-20.ic54CRC(84ba54b7) (Fluke: A24E)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b77-05.ic105CRC(7238f0ff),SCR 8x8 (Fluke: B395)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256b77-17.ic1CRC(fbf81f30) (Fluke: 6538)
0x0100-0x01FF256b77-18.ic37CRC(7b7d8ff4) (Fluke: 6355)
Memory Area:ymsnd
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b77-09.ic58CRC(948e5ad9) (Fluke: 5D16)
Memory Area:ymsnd.deltat
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288b77-08.ic57CRC(119b9485) (Fluke: 4CEF)
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