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.
Dragon Master (Unico, 1994)
Memory Area:drgnmst_main_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x800000-0x8000012Read PortP1_P2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Button 4Active Low
0x0100Joystick RightActive Low
0x0200Joystick LeftActive Low
0x0400Joystick DownActive Low
0x0800Joystick UpActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000Button 4Active Low
0x800018-0x8000192Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Start 1Active Low
0x0020Start 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x80001A-0x80001B2Read PortDSW1
0x0700CoinageActive High
0x0300OffActive High
0x00004C_1CActive High
0x01003C_1CActive High
0x02002C_1CActive High
0x07001C_1CActive High
0x06001C_2CActive High
0x05001C_3CActive High
0x04001C_4CActive High
0x0800Allow_ContinueActive High
0x0800OffActive High
0x0000OnActive High
0x1000Demo_SoundsActive High
0x1000OffActive High
0x0000OnActive High
0x2000OffActive High
0x0000OnActive High
0x4000OffActive High
0x0000OnActive High
0x8000OffActive High
0x0000OnActive High
0x80001C-0x80001D2Read PortDSW2
0x0700DifficultyActive High
0x0700EasiestActive High
0x0600EasierActive High
0x0500EasyActive High
0x0400NormalActive High
0x0300MediumActive High
0x0200HardActive High
0x0100HarderActive High
0x0000HardestActive High
0x0800LanguageActive High
0x0800EnglishActive High
0x0000KoreanActive High
0x1000Game_TimeActive High
0x1000NormalActive High
0x0000ShortActive High
0x2000OffActive High
0x0000OnActive High
0x4000GreyActive High
0x0000RedActive High
0x800030-0x8000312Writedrgnmst_coin_w
0x800100-0x80011F32Write Only, Sharedvidregs
0x800120-0x8001212Write NOP
0x80014A-0x80014B2Write NOP
0x800154-0x8001552Write Only, Sharedvidregs2 (// seems to be priority control)
0x800176-0x8001772Read PortEXTRA
0x0100Button 5Active Low
0x0200Button 6Active Low
0x0400Button 7Active Low
0x0800UnknownActive Low
0x1000Button 5Active Low
0x2000Button 6Active Low
0x4000Button 7Active Low
0x8000UnknownActive Low
0x800180-0x8001812Writedrgnmst_snd_command_w
0x800188-0x8001892Writedrgnmst_snd_flag_w
0x8001E0-0x8001E12Write NOP
0x900000-0x903FFF16384RAM Device Write, Sharedpalette, palette_device, write, palette
0x904000-0x907FFF16384RAM Write, Shareddrgnmst_md_videoram_w, md_videoram
0x908000-0x90BFFF16384RAM Write, Shareddrgnmst_bg_videoram_w, bg_videoram
0x90C000-0x90FFFF16384RAM Write, Shareddrgnmst_fg_videoram_w, fg_videoram
0x920000-0x923FFF16384RAM, Sharedrowscrollram (// rowscroll ram)
0x930000-0x9307FF2048RAM, Sharedspriteram (// Sprites)
0xFF0000-0xFFFFFF65536RAM
 

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:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576dm1001CRC(63566f7f) (Fluke: CF9D)
Memory Area:oki2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152dm1002CRC(0f1a874e) (Fluke: BAFF)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x0B7A2939pic16c55.hexCRC(f17011e7) (Fluke: 1C59)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3