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.
Donkey Kong 3 (Nintendo of America, 1983)
Memory Area:dkong3_io_map
Address RangeLengthFunctionDescription
0x00001Device Read/Writez80dma, z80dma_device, read, write (/* dma controller */)
Memory Area:dkong3_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x67FF2048RAM
0x6800-0x6FFF2048RAM
0x7000-0x73FF1024RAM, Sharedsprite_ram (/* sprite set 1 */)
0x7400-0x77FF1024RAM Write, Shareddkong_videoram_w, video_ram
0x7C001Read Port, Write Latch 8-bitIN0, latch1
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Start 1Active High
0x0040Start 2Active High
0x0080Coin 3Active High
0x7C801Read Port, Write Latch 8-bitIN1, latch2
0x0001Joystick RightActive High
0x0002Joystick LeftActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Coin 1Active High
0x0040Coin 2Active High
0x0080UnknownActive High
0x7D001Read Port, Write Latch 8-bitDSW0, latch3
0x0007CoinageActive High
0x00023C_1CActive High
0x00042C_1CActive High
0x00001C_1CActive High
0x00061C_2CActive High
0x00011C_3CActive High
0x00031C_4CActive High
0x00051C_5CActive High
0x00071C_6CActive High
0x0080CabinetActive High
0x0000UprightActive High
0x0080CocktailActive High
0x7D801Read Port, WriteDSW1, dkong3_2a03_reset_w
0x0003LivesActive High
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x000cBonus_LifeActive High
0x000030000Active High
0x000440000Active High
0x000850000Active High
0x000cNoneActive High
0x000030000Active High
0x001040000Active High
0x002050000Active High
0x0030NoneActive High
0x00c0DifficultyActive High
0x0000EasyActive High
0x0040MediumActive High
0x0080HardActive High
0x00c0HardestActive High
0x7E801Writedkong3_coin_counter_w
0x7E811Writedkong3_gfxbank_w
0x7E821Writedkong_flipscreen_w
0x7E831Writedkong_spritebank_w (/* 2 PSL Signal */)
0x7E841Writenmi_mask_w
0x7E851Writedkong_z80dma_rdy_w (/* ==> DMA Chip */)
0x7E86-0x7E872Writedkong_palettebank_w
0x8000-0x9FFF8192ROM(/* DK3 and bootleg DKjr only */)
 

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:adrdecode
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32dkc1-v.5eCRC(d3e2eaf8) (Fluke: 3932)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096dk3v.3nCRC(415a99c7) (Fluke: C6FC)
0x1000-0x1FFF4096dk3v.3pCRC(25744ea0) (Fluke: 6A8A)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096dk3v.7cCRC(8ffa1737) (Fluke: 988D)
0x1000-0x1FFF4096dk3v.7dCRC(9ac84686) (Fluke: 6CAA)
0x2000-0x2FFF4096dk3v.7eCRC(0c0af3fb) (Fluke: 49DE)
0x3000-0x3FFF4096dk3v.7fCRC(55c58662) (Fluke: C4E7)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192dk3c.7bCRC(38d5f38e) (Fluke: 93B4)
0x2000-0x3FFF8192dk3c.7cCRC(c9134379) (Fluke: 78B5)
0x4000-0x5FFF8192dk3c.7dCRC(d22e2921) (Fluke: 08E4)
0x8000-0x9FFF8192dk3c.7eCRC(615f14b7) (Fluke: 2BF2)
Memory Area:n2a03a
Address RangeLengthLabel/LocationDescription
0xE000-0xFFFF8192dk3c.5lCRC(7ff88885) (Fluke: D216)
Memory Area:n2a03b
Address RangeLengthLabel/LocationDescription
0xE000-0xFFFF8192dk3c.6hCRC(36d7200c) (Fluke: 4FA6)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512dkc1-c.1dCRC(df54befc),palette red & green component (Fluke: F7D7)
0x0200-0x03FF512dkc1-c.1cCRC(66a77f40),palette blue component (Fluke: 7268)
0x0400-0x04FF256dkc1-v.2nCRC(50e33434),character color codes on a per-column basis (Fluke: F652)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3