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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.
Super Speed Race Junior (Taito Corporation, 1985)
Memory Area:ssrj_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM Write, Sharedvram1_w, vram1
0xC800-0xCFFF2048RAM Write, Sharedvram2_w, vram2
0xD000-0xD7FF2048RAM, Sharedvram3
0xD800-0xDFFF2048RAM Write, Sharedvram4_w, vram4
0xE000-0xE7FF2048RAM
0xE800-0xEFFF2048RAM, Sharedscrollram
0xF0001Read PortIN0
0x0001Coin 1Active High
0x0004Coin 2Active High
0x0008TiltActive Low
0x00e0PedalActive High
0xF0011Readwheel_r
0xF0021Read PortIN2
0x000fButton 2Active Low
0x0010EasyActive High
0x0000NormalActive High
0x0020DifficultActive High
0x0030Very_DifficultActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xF0031Write NOP(/* unknown */)
0xF400-0xF4012Device Writeaysnd, ay8910_device, address_data_w
0xF4011Device Readaysnd, ay8910_device, data_r
0xF8001Write NOP(/* wheel ? */)
0xFC001Write NOP(/* unknown */)
 

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
0x0000-0x1FFF8192a40-03.binCRC(3753182a) (Fluke: 4B8F)
0x2000-0x3FFF8192a40-04.binCRC(96471816) (Fluke: A64E)
0x4000-0x5FFF8192a40-05.binCRC(dce9169e) (Fluke: 7972)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a40-01.binCRC(1ff7dbff) (Fluke: 6BC1)
0x4000-0x7FFF16384a40-02.binCRC(bbb36f9f) (Fluke: CE73)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256proms
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