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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.
Ambush (Tecfri, 1983)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xA0001Device Readwatchdog, watchdog_timer_device, reset_r
0xC000-0xC7FF2048RAM
0xC080-0xC09F32Sharedscrollram
0xC100-0xC1FF256Sharedcolorram
0xC200-0xC3FF512Sharedspriteram
0xC400-0xC7FF1024Sharedvideoram
0xC8001Read PortDSW1
0x0003LivesActive High
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x001cCoinageActive High
0x00102C_1CActive High
0x00001C_1CActive High
0x00142C_3CActive High
0x00041C_2CActive High
0x00182C_5CActive High
0x00081C_3CActive High
0x000c1C_4CActive High
0x001cService Mode/Free PlayActive High
0x0020DifficultyActive High
0x0000EasyActive High
0x0020HardActive High
0x0040Bonus_LifeActive High
0x004080000Active High
0x0000120000Active High
0x0080CabinetActive High
0x0080UprightActive High
0x0000CocktailActive High
0xCC00-0xCC034Write NOP
0xCC041Writeflip_screen_w
0xCC051Write Only, Sharedcolorbank
0xCC071Writeambush_coin_counter_w
Memory Area:main_portmap
Address RangeLengthFunctionDescription
0x00001Device Read/Writeay1, ay8910_device, data_r, address_w
0x00011Device Writeay1, ay8910_device, data_w
0x00801Device Read/Writeay2, ay8910_device, data_r, address_w
0x00811Device Writeay2, ay8910_device, data_w
 

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
0x0000-0x1FFF8192fa2.n4CRC(e7f134ba) (Fluke: 40D8)
0x0000-0x1FFF8192fa2.n4CRC(e7f134ba) (Fluke: 40D8)
0x2000-0x3FFF8192fa1.m4CRC(ad10969e) (Fluke: 54C4)
0x2000-0x3FFF8192fa1.m4CRC(ad10969e) (Fluke: 54C4)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192a1.i7CRC(31b85d9d)
0x2000-0x3FFF8192a2.g7CRC(8328d88a) (Fluke: 1F70)
0x2000-0x3FFF8192a2.g7CRC(8328d88a) (Fluke: 1F70)
0x4000-0x5FFF8192a3.f7CRC(8db57ab5) (Fluke: 65A3)
0x4000-0x5FFF8192a3.f7CRC(8db57ab5) (Fluke: 65A3)
0x6000-0x7FFF8192a4.e7CRC(4a34d2a4) (Fluke: 95A4)
0x6000-0x7FFF8192a4.e7CRC(4a34d2a4) (Fluke: 95A4)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256a.bprCRC(5f27f511),color PROMs (Fluke: CD21)
0x0000-0x00FF256a.bprCRC(5f27f511),color PROMs (Fluke: CD21)
0x0200-0x02FF25613.bprCRC(547e970f),I'm not sure what these do. (Fluke: 1E98)
0x0200-0x02FF25613.bprCRC(547e970f),I'm not sure what these do. (Fluke: 1E98)
0x0300-0x03FF25614.bprCRC(622a8ce7),They don't look like color PROMs (Fluke: 37D1)
0x0300-0x03FF25614.bprCRC(622a8ce7),They don't look like color PROMs (Fluke: 37D1)
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