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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.
Safari Rally (SNK (Taito license), 1979)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x17FF6144ROM
0x2000-0x27FF2048Read/Write, Sharedram_r, ram_w, ram
0x28001Mirror, Read NOP, Write0x03ff, , ram_bank_w
0x2C001Mirror, Read NOP, Write Only, Shared0x03ff, , , bg_scroll
0x30001Mirror, Write0x03ff, safarir_audio_w (/* goes to SN76477 */)
0x34001Mirror, Write NOP0x03ff, (/* cleared at the beginning */)
0x38001Mirror, Read Port, Write NOP0x03ff, INPUTS,
0x0001Coin 1Active Low
0x0002Start 1Active Low
0x0004Start 2Active Low
0x0008UnknownActive Low
0x0010Button 1Active Low
0x0020Joystick RightActive Low
0x0040Joystick LeftActive Low
0x0080UnknownActive Low
0x3C001Mirror, Read Port, Write NOP0x03ff, DSW,
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x0000SlowestActive High
0x0004SlowActive High
0x0008FastActive High
0x000cFastestActive High
0x0000OffActive High
0x0010OnActive High
0x00003000Active High
0x00205000Active High
0x00407000Active High
0x00609000Active High
0x0080CustomActive Low
 

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
0x0000-0x03FF1024rl-10.43CRC(c04466c6)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024rl-07.40CRC(ba525203) (Fluke: 36BA)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024rl-01.9CRC(cf7703c9) (Fluke: 28C4)
0x0400-0x07FF1024rl-02.1CRC(1013ecd3) (Fluke: BEB3)
0x0800-0x0BFF1024rl-03.10CRC(84545894) (Fluke: 6ABE)
0x0C00-0x0FFF1024rl-04.2CRC(5dd12f96) (Fluke: 1395)
0x1000-0x13FF1024rl-09.11CRC(d066b382)
0x1400-0x17FF1024rl-06.3CRC(24c1cd42) (Fluke: 4560)
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