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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.
Aztarac (Centuri, 1983)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0x22000-0x220FF256Read, Write Only, Sharednvram_r, , nvram
0x27000-0x270012Readjoystick_r
0x27004-0x270052Read PortINPUTS
0x0002Button 1Active Low
0x0001Button 2Active Low
0x0004Start 1Active Low
0x0008Start 2Active Low
0x0010Coin 1Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x27008-0x270092Read/Writesound_r, sound_w
0x2700C-0x2700D2Read PortDIAL
0x00ffDialActive High
0x2700E-0x2700F2Device Readwatchdog, watchdog_timer_device, reset16_r
0xFF8000-0xFFAFFF12288RAM, Sharedvectorram
0xFFB000-0xFFB0012Writeubr_w
0xFFE000-0xFFFFFF8192RAM
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x8000-0x87FF2048RAM
0x88001Readsnd_command_r
0x8C00-0x8C012Device Read/Writeay1, ay8910_device, data_r, data_address_w
0x8C02-0x8C032Device Read/Writeay2, ay8910_device, data_r, data_address_w
0x8C04-0x8C052Device Read/Writeay3, ay8910_device, data_r, data_address_w
0x8C06-0x8C072Device Read/Writeay4, ay8910_device, data_r, data_address_w
0x90001Read/Writesnd_status_r, snd_status_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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096j4_c.binCRC(e897dfcd) (Fluke: 0A88)
0x1000-0x1FFF4096j3_d.binCRC(4016de77) (Fluke: 1256)
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