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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.
Aquarium (Excellent System, 1996)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0xC00000-0xC00FFF4096RAM Write, Sharedaquarium_mid_videoram_w, mid_videoram
0xC01000-0xC01FFF4096RAM Write, Sharedaquarium_bak_videoram_w, bak_videoram
0xC02000-0xC03FFF8192RAM Write, Sharedaquarium_txt_videoram_w, txt_videoram
0xC80000-0xC81FFF8192Device Read/Write 8-bitspritegen, excellent_spr_device, read, write, 0x00ff
0xD00000-0xD00FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xD80014-0xD8001F12Write Only, Sharedscroll
0xD80068-0xD800692Write NOP(/* probably not used */)
0xD80080-0xD800812Read PortDSW
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000HardestActive High
0x000c1/1Active High
0x00082/3Active High
0x00043/5Active High
0x00001/1Active High
0x00301/1Active High
0x00202/3Active High
0x00103/5Active High
0x00001/1Active High
0x0700CoinageActive High
0x00005C_1CActive High
0x01004C_1CActive High
0x02003C_1CActive High
0x03002C_1CActive High
0x07001C_1CActive High
0x06001C_2CActive High
0x05001C_3CActive High
0x04001C_4CActive High
0x1000Flip_ScreenActive High
0x1000OffActive High
0x0000OnActive High
0x2000Demo_SoundsActive High
0x0000OffActive High
0x2000OnActive High
0xD80082-0xD800832Read NOP(/* stored but not read back ? check code at 0x01f440 */)
0xD80084-0xD800852Read PortINPUTS
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080Start 2Active Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000UnknownActive Low
0x8000Start 1Active Low
0xD80086-0xD800872Readaquarium_coins_r
0xD80088-0xD800892Write NOP(/* ?? video related */)
0xD8008A-0xD8008B2Writeaquarium_sound_w
0xFF0000-0xFFFFFF65536RAM
Memory Area:snd_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x7800-0x7FFF2048RAM
0x8000-0xFFFF32768ROM Bankbank1
Memory Area:snd_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeymsnd, ym2151_device, read, write
0x00021Read/Writeaquarium_oki_r, aquarium_oki_w
0x00041Device Readsoundlatch, generic_latch_8_device, read
0x00061Writeaquarium_snd_ack_w
0x00081Writeaquarium_z80_bank_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
0x0000-0x3FFFF262144aquar5CRC(fa555be1) (Fluke: 3E73)
0x0000-0x3FFFF262144aquar5CRC(fa555be1) (Fluke: 3E73)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288aquar1CRC(575df6ac) (Fluke: 57F3)
0x0000-0x7FFFF524288aquar1CRC(575df6ac) (Fluke: 57F3)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072aquar2CRC(aa071b05) (Fluke: AB04)
0x0000-0x1FFFF131072aquar2CRC(aa071b05) (Fluke: AB04)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576aquarf1CRC(14758b3c) (Fluke: 6908)
0x0000-0xFFFFF1048576aquarf1CRC(14758b3c) (Fluke: 6908)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288aquar8CRC(915520c4) (Fluke: 94D2)
0x0000-0x7FFFF524288aquar8CRC(915520c4) (Fluke: 94D2)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288aquar4CRC(9a4af531) (Fluke: 8FBD)
0x0000-0x7FFFF524288aquar4CRC(9a4af531) (Fluke: 8FBD)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072aquar6CRC(9065b146) (Fluke: EE26)
0x0000-0x1FFFF131072aquar6CRC(9065b146) (Fluke: EE26)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072aquar7CRC(b96b2b82) (Fluke: AC4C)
0x0000-0x1FFFF131072aquar7CRC(b96b2b82) (Fluke: AC4C)
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