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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.
Saloon (, 0)
Memory Area:funworld_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharednvram
0x0800-0x08034Device Read/Writepia0, pia6821_device, read, write
0x00010-1Active Low
0x00020-2Active Low
0x00040-3Active Low
0x00080-4Active Low
0x00100-5Active Low
0x00200-6Active Low
0x00400-7Active Low
0x00800-8Active Low
0x0A00-0x0A034Device Read/Writepia1, pia6821_device, read, write
0x00042-3Active Low
0x00082-4Active Low
0x00102-5Active Low
0x00202-6Active Low
0x00402-7Active Low
0x00802-8Active Low
0x00012-1Active Low
0x00022-2Active Low
0x0C00-0x0C012Device Writeay8910, ay8910_device, address_data_w
0x0C001Device Readay8910, ay8910_device, data_r
0x0E001Device Writecrtc, mc6845_device, address_w
0x0E011Device Read/Writecrtc, mc6845_device, register_r, register_w
0x2000-0x2FFF4096RAM Write, Sharedfunworld_videoram_w, videoram
0x3000-0x3FFF4096RAM Write, Sharedfunworld_colorram_w, colorram
0x40001Read NOP
0x8000-0xBFFF16384ROM
0xC000-0xFFFF16384ROM
Memory Area:saloon_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharednvram
0x08001Read PortIN0
0x00010-1Active Low
0x00020-2Active Low
0x00040-3Active Low
0x00080-4Active Low
0x00100-5Active Low
0x00200-6Active Low
0x00400-7Active Low
0x00800-8Active Low
0x08021Read PortIN4 (// maybe)
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008UnknownActive High
0x0010UnknownActive High
0x0020UnknownActive Low
0x0040UnknownActive High
0x0080UnknownActive High
0x08081Read PortIN3 (// maybe)
0x0001UnknownActive Low
0x0002UnknownActive High
0x0004UnknownActive High
0x0008UnknownActive Low
0x0010UnknownActive High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive Low
0x081C1Device Writecrtc, mc6845_device, address_w
0x081D1Device Read/Writecrtc, mc6845_device, register_r, register_w
0x0A011Read PortIN1
0x00011-1Active Low
0x00021-2Active Low
0x00041-3Active Low
0x00081-4Active Low
0x00101-5Active Low
0x00201-6Active Low
0x00401-7Active Low
0x00801-8Active Low
0x10001Read PortIN2
0x00012-1Active Low
0x00022-2Active Low
0x00042-3Active Low
0x00082-4Active Low
0x00102-5Active Low
0x00202-6Active Low
0x00402-7Active Low
0x00802-8Active Low
0x1800-0x18012Device Writeay8910, ay8910_device, address_data_w
0x18001Device Readay8910, ay8910_device, data_r
0x6000-0x6FFF4096RAM Write, Sharedfunworld_videoram_w, videoram
0x7000-0x7FFF4096RAM Write, Sharedfunworld_colorram_w, colorram
0x8000-0xFFFF32768ROM
 

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
0x0000-0x7FFF327682s.binCRC(39a792d5) (Fluke: B54B)
0x8000-0xFFFF327683s.binCRC(babc0964) (Fluke: E2D6)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF327681s.binCRC(66938330) (Fluke: 4ABB)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51282s147_saloon.binCRC(f424ccc1) (Fluke: 1A8F)
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