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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.
Sidewinder (Ace, 0)
Memory Area:acefruit_io
Address RangeLengthFunctionDescription
0x00001Read/Write NOP(/* ? */)
Memory Area:acefruit_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x2000-0x20FF256RAM, Sharednvram
0x4000-0x43FF1024RAM, Sharedvideoram
0x4400-0x47FF1024RAM Write, Sharedacefruit_colorram_w, colorram
0x6000-0x60056RAM, Sharedspriteram
0x80001Read PortIN0
0x0001Stop Nudge/Nudge Up or DownActive Low
0x0002GambleActive Low
0x0004Coin 1Active Low
0x0020CustomActive High
0x00d8UnknownActive Low
0x80011Read PortIN1
0x0001SidewindActive Low
0x0002CollectActive Low
0x0004Coin 2Active Low
0x0008OffActive High
0x0000OnActive High
0x00f0UnknownActive Low
0x80021Read PortIN2
0x0001Cancel/ClearActive Low
0x0002RefillActive Low
0x0004Coin 3Active Low
0x0008SpecialActive High
0x00f0UnknownActive Low
0x80031Read PortIN3
0x0001Hold/Nudge 1Active Low
0x0002Accountancy SystemActive Low
0x0004Coin 4Active Low
0x0008SpecialActive High
0x00f0UnknownActive Low
0x80041Read PortIN4
0x0001Hold/Nudge 2Active Low
0x0002NoActive High
0x0000YesActive High
0x0000NoActive High
0x0004YesActive High
0x0008OffActive High
0x0000OnActive High
0x00f0UnknownActive Low
0x80051Read PortIN5
0x0001Hold/Nudge 3Active Low
0x0002Test ProgramActive Low
0x00fcUnknownActive Low
0x80061Read PortIN6
0x0001Hold/Nudge 4Active Low
0x0000OffActive High
0x0002OnActive High
0x00fcUnknownActive Low
0x80071Read PortIN7
0x0001Start 1Active Low
0x0002OffActive High
0x0000OnActive High
0x00fcUnknownActive Low
0xA000-0xA0012Writeacefruit_lamp_w
0xA002-0xA0032Writeacefruit_coin_w
0xA0041Writeacefruit_solenoid_w
0xA005-0xA0062Writeacefruit_sound_w
0xC0001Device Writewatchdog, watchdog_timer_device, reset_w
0xE000-0xFFFF8192ROM
 

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
0x0000-0x07FF20482_h05.binCRC(64b64cff) (Fluke: 5389)
0x0800-0x0FFF20482_h06.binCRC(6b96a586) (Fluke: B1BB)
0x1000-0x17FF20482_h07.binCRC(3a8e68a2) (Fluke: AF71)
0x1800-0x1FFF20482_h08.binCRC(bd19a758) (Fluke: C763)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF20482_h09.binBAD_DUMP CRC(141f3b0c) (Fluke: 96A2)
0x0800-0x0FFF20482_h10.binCRC(36a2d4af) (Fluke: 2C86)
0x1000-0x17FF20482_h11.binCRC(e2932643) (Fluke: B27A)
0x1800-0x1FFF20482_h12.binCRC(26af0b1f) (Fluke: C098)
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