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's Lair (Cinematronics, 1983)
Memory Area:dlus_map
Address RangeLengthFunctionDescription
0x0000-0x9FFF40960ROM
0xA000-0xA7FF2048Mirror, RAM0x1800,
0xC0001Mirror, Device Read0x1fc7, aysnd, ay8910_device, data_r
0xC0081Mirror, Read Port0x1fc7, P1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xC0101Mirror, Read Port0x1fc7, SYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Coin 1Active Low
0x0008Coin 2Active Low
0x0030UnknownActive Low
0x0040SpecialActive High
0x0080SpecialActive High
0xC0201Mirror, Read0x1fc7, laserdisc_r
0xE0001Mirror, Device Write0x1fc7, aysnd, ay8910_device, data_w
0xE0081Mirror, Write0x1fc7, misc_w
0xE0101Mirror, Device Write0x1fc7, aysnd, ay8910_device, address_w
0xE0201Mirror, Write0x1fc7, laserdisc_w
0xE030-0xE0378Mirror, Write0x1fc0, led_den2_w
0xE038-0xE03F8Mirror, Write0x1fc0, led_den1_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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192dl_f2_u1.binCRC(f5ea3b9d) (Fluke: EA4C)
0x2000-0x3FFF8192dl_f2_u2.binCRC(dcc1dff2) (Fluke: 0610)
0x4000-0x5FFF8192dl_f2_u3.binCRC(ab514e5b) (Fluke: 134E)
0x6000-0x7FFF8192dl_f2_u4.binCRC(f5ec23d2) (Fluke: 9B8A)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3