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
0x0000-0xFFFF65536Read/Writefenraya_custom_map_r, fenraya_custom_map_w
Memory Area:main_portmap
Address RangeLengthFunctionDescription
0x00001Read PortDSW
0x00011Read PortINPUTS
0x00021Read PortSYSTEM
0x00231Writesound_data_w
0x00331Writesound_control_w
Memory Area:unkpacg_main_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x6000-0x67FF2048RAM, Sharednvram
0x7000-0x7FFF4096Writefenraya_videoram_w
0x8000-0x9FFF8192ROM
Memory Area:unkpacg_main_portmap
Address RangeLengthFunctionDescription
0x00001Read PortDSW1
0x0000OffActive High
0x0001OnActive High
0x0000OffActive High
0x0002OnActive 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
0x00011Read PortIN1
0x0001Front Game Coin AActive Low
0x0002Gambling Game Coin InActive Low
0x0004Front Game Coin BActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0000Type 1 (AY-3-8910 mapped at 17h, 27h, 37h)Active High
0x0080Type 2 (Unknown device mapped at 20h, 30h)Active High
0x00021Read PortIN2
0x0001Start / Bet / DiscardActive Low
0x0002Up / Deal / TakeActive Low
0x0004Left / SmallActive Low
0x0008Right / BigActive Low
0x0010UnknownActive Low
0x0020Down / Double-UpActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x00171Device Writeaysnd, ay8910_device, data_w
0x00271Device Readaysnd, ay8910_device, data_r
0x00371Device Writeaysnd, ay8910_device, address_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
0x0000-0x1FFF81925.u18CRC(44f272d2)
0x2000-0x3FFF81923.u20CRC(d00b04ea)
0x4000-0x5FFF81924.u19CRC(4a123a3d)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81921.u14CRC(848c4143)
0x8000-0x9FFF81922.u46CRC(9e6e0bd3)
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