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:main_map
Address RangeLengthFunctionDescription
0x0000-0x17FF6144ROM
0x1800-0x1BFF1024RAM Write, Sharedtinvader_videoram_w, videoram
0x1C00-0x1CFF256RAM
0x1D00-0x1DFF256RAM
0x1E801Read, Writetinvader_port_0_r, tinvader_sound_w
0x1E811Read Port1E81
0x00003Active High
0x00014Active High
0x0000OffActive High
0x0002OnActive High
0x00002C_1CActive High
0x00041C_1CActive High
0x00081C_2CActive High
0x000c1C_3CActive High
0x00101C_4CActive High
0x00141C_5CActive High
0x00181C_6CActive High
0x001c1C_7CActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x1E821Read Port1E82
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004UnusedActive Low
0x0008UnusedActive Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x1E851Read Port1E85 (/* Dodgem Only */)
0x0000Very_EasyActive High
0x0001EasyActive High
0x0002MediumActive High
0x0003HardActive High
0x0000OffActive High
0x0004OnActive High
0x0000OffActive High
0x0008OnActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x1E861Read Port, Write NOP1E86, (/* Dodgem Only */)
0x0000OffActive High
0x0001OnActive High
0x1F00-0x1FFF256Read/Write, Sharedzac_s2636_r, zac_s2636_w, s2636_0_ram
Memory Area:port_map
Address RangeLengthFunctionDescription
0x00001Read PortSENSE
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
0x0000-0x03FF102493451.binCRC(004b26d2) (Fluke: 81BA)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024rom1.binCRC(a327b57d) (Fluke: 2E98)
0x0400-0x07FF1024rom2.binCRC(2a06ec74) (Fluke: 1A3E)
0x0800-0x0BFF1024rom3.binCRC(e9ed656d) (Fluke: 35FC)
0x0C00-0x0FFF1024rom4.binCRC(ecbfd906) (Fluke: 7E92)
0x1000-0x13FF1024rom5.binCRC(bdae09fe) (Fluke: 40C8)
0x1400-0x17FF1024rom6.binCRC(e131eacf) (Fluke: F16F)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51274s571CRC(cc0b407e) (Fluke: F3DE)
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