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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.
M-79 Ambush (RamTek, 1977)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x4000-0x5FFF8192RAM Write, Sharedramtek_videoram_w, videoram
0x6000-0x63FF1024RAM(/* ?? */)
0x80001Read Port, Write8000, m79amb_8000_w
0x000060 SecondsActive High
0x000190 SecondsActive High
0x000290 SecondsActive High
0x0003120 SecondsActive High
0x00001500Active High
0x00042500Active High
0x00083500Active High
0x000c5000Active High
0x001cNo Extended TimeActive High
0x00202C_1CActive High
0x00001C_1CActive High
0x00401C_2CActive High
0x00c0Free_PlayActive High
0x80011Write Only, Sharedmask
0x80021Read Port, Write8002, m79amb_8002_w
0x0001CustomActive Low
0x0002Start 1Active Low
0x0004Coin 1Active Low
0x0008TiltActive Low
0x0010UnusedActive Low
0x0020UnusedActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x80031Writem79amb_8003_w
0x80041Readgray5bit_controller0_r
0x80051Readgray5bit_controller1_r
0xC000-0xC07F128RAM(/* ?? */)
0xC200-0xC27F128RAM(/* ?? */)
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512m79.10tCRC(ccf30b1e) (Fluke: 9B54)
0x0200-0x03FF512m79.9tCRC(daf807dd) (Fluke: C6E0)
0x0400-0x05FF512m79.8tCRC(79fafa02) (Fluke: B793)
0x0600-0x07FF512m79.7tCRC(06f511f8) (Fluke: 80EB)
0x0800-0x09FF512m79.6tCRC(24634390) (Fluke: 30D1)
0x0A00-0x0BFF512m79.5tCRC(95252aa6) (Fluke: BC91)
0x0C00-0x0DFF512m79.4tCRC(54cffb0f) (Fluke: 5176)
0x0E00-0x0FFF512m79.3taCRC(27db5ede) (Fluke: F5FA)
0x1000-0x11FF512m79.10uCRC(e41d13d2) (Fluke: 2DB9)
0x1200-0x13FF512m79.9uCRC(e35f5616) (Fluke: 38C1)
0x1400-0x15FF512m79.8uCRC(14eafd7c) (Fluke: 6167)
0x1600-0x17FF512m79.7uCRC(b9864f25) (Fluke: 50E3)
0x1800-0x19FF512m79.6uCRC(dd25197f) (Fluke: 5880)
0x1A00-0x1BFF512m79.5uCRC(251545e2) (Fluke: 8C73)
0x1C00-0x1DFF512m79.4uCRC(b5f55c75) (Fluke: 20F5)
0x1E00-0x1FFF512m79.3uCRC(e968691a) (Fluke: 982E)
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