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.
Memory Area:nzerotea_map
Address RangeLengthFunctionDescription
0x0740-0x07412Read PortDSW
0x0744-0x07452Read PortINPUT
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnknownActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000SpecialActive High
0x074C-0x074D2Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Start 3Active Low
0x0008Start 4Active Low
0x0010Service 1Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnusedActive Low
Memory Area:zerotm2k_map
Address RangeLengthFunctionDescription
0x0740-0x07412Read PortP3_P4
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnknownActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000UnknownActive Low
0x0744-0x07452Read PortINPUT
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080UnknownActive Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000SpecialActive High
0x0748-0x07492Writezerotm2k_eeprom_w
0x074C-0x074D2Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Start 3Active Low
0x0008Start 4Active Low
0x0010Service 1Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnusedActive 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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768syz-02.u019CRC(55371073),PCB silkscreened SOUND
Memory Area:math
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072mx27c1000mc.u0366CRC(fa2cf3ad),PCB silkscreened 333ROM (Fluke: 8421)
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