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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.
Exterminator (Gottlieb / Premier Technology, 1989)
Memory Area:master_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576Mirror, RAM, Shared0xfc700000, , master_videoram
0x800000-0xBFFFFF4194304Mirror, RAM0xfc400000,
0x1000000-0x13FFFFF4194304Mirror, Read/Write0xfc000000, exterm_host_data_r, exterm_host_data_w
0x1400000-0x143FFFF262144Mirror, Read0xfc000000, exterm_input_port_0_r
0x1440000-0x147FFFF262144Mirror, Read0xfc000000, exterm_input_port_1_r
0x1480000-0x14BFFFF262144Mirror, Read Port0xfc000000, DSW
0x0001OffActive High
0x0000OnActive High
0x00061C_1CActive High
0x00021C_2CActive High
0x00041C_3CActive High
0x00001C_4CActive High
0x00381C_1CActive High
0x00181C_2CActive High
0x00281C_3CActive High
0x00081C_4CActive High
0x00301C_5CActive High
0x00101C_6CActive High
0x00201C_7CActive High
0x00001C_8CActive High
0x0040OnceActive High
0x0000ContinuousActive High
0x0080OffActive High
0x0000OnActive High
0xff00UnusedActive Low
0x1500000-0x153FFFF262144Mirror, Write0xfc000000, exterm_output_port_0_w
0x1580000-0x15BFFFF262144Mirror, Write0xfc000000, sound_latch_w
0x15C0000-0x15FFFFF262144Mirror, Device Write0xfc000000, watchdog, watchdog_timer_device, reset16_w
0x1800000-0x1807FFF32768Mirror, RAM Device Write, Shared0xfc7f8000, palette, palette_device, write, palette
0x2800000-0x2807FFF32768Mirror, RAM, Shared0xfc7f8000, , nvram
0x3000000-0x3FFFFFF16777216Mirror, ROM, Region0xfc000000, , user1, 0
0xC0000000-0xC00001FF512Device Read/Writemaincpu, tms34010_device, io_register_r, io_register_w
Memory Area:slave_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576Mirror, RAM, Shared0xfbf00000, , slave_videoram
0x4000000-0x47FFFFF8388608Mirror, RAM0xfb800000,
0xC0000000-0xC00001FF512Device Read/Writeslave, tms34010_device, io_register_r, io_register_w
Memory Area:sound_master_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048Mirror, RAM0x1800,
0x4000-0x5FFF8192Writeym2151_data_latch_w
0x6000-0x67FF2048Writesound_nmi_rate_w
0x6800-0x6FFF2048Readsound_master_latch_r
0x7000-0x77FF2048Readsound_nmi_to_slave_r
0x8000-0xFFFF32768ROM
0xA000-0xBFFF8192Writesound_control_w
Memory Area:sound_slave_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048Mirror, RAM0x3800,
0x4000-0x5FFF8192Readsound_slave_latch_r
0x80001Mirror, Device Write0x3ffe, dacvol, dac_byte_interface, write
0x8000-0xFFFF32768ROM
0x80011Mirror, Device Write0x3ffe, dac, dac_byte_interface, write
 

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
0x8000-0xFFFF32768v101y1CRC(cbeaa837) (Fluke: 9CDC)
Memory Area:audioslave
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768v101d1CRC(83268b7d) (Fluke: A239)
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