Search

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.
Diver Boy (Gamart (Electronic Devices Italy license), 1992)
Memory Area:diverboy_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x40000-0x4FFFF65536RAM
0x80000-0x83FFF16384RAM, Sharedspriteram
0x100000-0x1000012Writesoundcmd_w
0x140000-0x1407FF2048Device Write, Sharedpalette, palette_device, write, palette
0x180000-0x1800012Read PortP1_P2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080Start 1Active Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000UnusedActive Low
0x8000Start 2Active Low
0x180002-0x1800032Read PortDSW
0x00074C_1CActive High
0x00063C_1CActive High
0x00052C_1CActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_6CActive High
0x00002Active High
0x00083Active High
0x0000NoActive High
0x0010YesActive High
0x0000EasyActive High
0x0020NormalActive High
0x0040HardActive High
0x0060HardestActive High
0x0080NoActive High
0x0000YesActive High
0x180008-0x1800092Read PortCOINS
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Coin 3Active Low
0x0008UnknownActive High
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x320000-0x3207FF2048Write Only(/* ?? */)
0x322000-0x3227FF2048Write Only(/* ?? */)
Memory Area:snd_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0x90001Writeokibank_w
0x98001Device Read/Writeoki, okim6295_device, read, write
0xA0001Device Readsoundlatch, generic_latch_8_device, read
 

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
0x0000-0x7FFF32768db_05.binCRC(ffeb49ec),this part is empty (Fluke: 7EB1)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072db_03.binCRC(50457505) (Fluke: 7EBE)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3