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.
D-Day (Olympia, 1982)
Memory Area:dday_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x40001Writedday_sl_control_w
0x5000-0x53FF1024RAM Write, Shareddday_textvideoram_w, textvideoram
0x5400-0x57FF1024RAM Write, Shareddday_fgvideoram_w, fgvideoram
0x5800-0x5BFF1024RAM Write, Shareddday_bgvideoram_w, bgvideoram
0x5C00-0x5FFF1024Read/Write, Shareddday_colorram_r, dday_colorram_w, colorram
0x6000-0x63FF1024RAM
0x6400-0x64012Mirror, Device Write0x000e, ay1, ay8910_device, address_data_w
0x6800-0x68012Device Writeay2, ay8910_device, address_data_w
0x6C001Read PortBUTTONS
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0004Button 1Active High
0x0008Start 1Active High
0x0010UnknownActive High
0x0020Start 2Active High
0x00c0UnknownActive High
0x70001Read PortDSW0
0x0003LivesActive High
0x00002Active High
0x00013Active High
0x00024Active High
0x00035Active High
0x00005Active High
0x00016Active High
0x00027Active High
0x00038Active High
0x000010000Active High
0x000415000Active High
0x000820000Active High
0x000c25000Active High
0x0010UnknownActive High
0x0000OffActive High
0x0010OnActive High
0x0020UnknownActive High
0x0000OffActive High
0x0020OnActive High
0x0040UnknownActive High
0x0000OffActive High
0x0040OnActive High
0x0080NoActive High
0x0000YesActive High
0x74001Read PortDSW1
0x000fCoin_AActive High
0x000e2C_1CActive High
0x000c2C_2CActive High
0x000f1C_1CActive High
0x000a2C_3CActive High
0x00082C_4CActive High
0x000d1C_2CActive High
0x00062C_5CActive High
0x00042C_6CActive High
0x000b1C_3CActive High
0x00022C_7CActive High
0x00002C_8CActive High
0x00091C_4CActive High
0x00071C_5CActive High
0x00051C_6CActive High
0x00031C_7CActive High
0x00011C_8CActive High
0x00f0Coin_BActive High
0x00e02C_1CActive High
0x00c02C_2CActive High
0x00f01C_1CActive High
0x00a02C_3CActive High
0x00802C_4CActive High
0x00d01C_2CActive High
0x00602C_5CActive High
0x00402C_6CActive High
0x00b01C_3CActive High
0x00202C_7CActive High
0x00002C_8CActive High
0x00901C_4CActive High
0x00701C_5CActive High
0x00501C_6CActive High
0x00301C_7CActive High
0x00101C_8CActive High
0x78001Read/Writedday_countdown_timer_r, dday_control_w
0x7C001Read PortPADDLE
0x00ffPaddleActive High
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048k4_73.binCRC(fa6237e4) (Fluke: 3F37)
0x0800-0x0FFF2048k2_71.binCRC(f85461de) (Fluke: 0A99)
0x1000-0x17FF2048k3_72.binCRC(fdfe88b6) (Fluke: DF0A)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048j8_70co.binCRC(0c60e94c) (Fluke: 5A80)
0x0800-0x0FFF2048j9_69co.binCRC(ba341c10) (Fluke: CEC7)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048k6_74o.binCRC(66719aea) (Fluke: 3DA9)
0x0800-0x0FFF2048k7_75o.binCRC(5f8772e2) (Fluke: 7034)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048d4_68.binCRC(f3649264) (Fluke: C569)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096e8_63co.binCRC(13d53793) (Fluke: 8D8A)
0x1000-0x1FFF4096e7_64co.binCRC(e1ef2a70) (Fluke: 7A59)
0x2000-0x2FFF4096e6_65co.binCRC(fe414a83) (Fluke: 62A3)
0x3000-0x3FFF4096e5_66co.binCRC(fc9f7774) (Fluke: C76C)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256dday.m11CRC(aef6bbfc),red component (Fluke: A8BB)
0x0100-0x01FF256dday.m8CRC(ad3314b9),green component (Fluke: EDB4)
0x0200-0x02FF256dday.m3CRC(e877ab82),blue component (Fluke: E0F6)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096d2_67.binCRC(2b693e42),search light map (Fluke: 9041)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3