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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.
Ring King (Wood Place Inc. (Data East USA license), 1985)
Memory Area:kingobox_sound_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0x80001Write NOP(/* ??? */)
0xC000-0xC3FF1024RAM(/* work ram */)
Memory Area:ringking_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC3FF1024RAM(/* work ram */)
0xC800-0xCFFF2048RAM, Sharedshare2 (/* shared with sprite cpu */)
0xD000-0xD7FF2048RAM, Sharedshare1 (/* shared with video cpu */)
0xD8001Writekingofb_f800_w
0xD8011Writesprite_interrupt_w
0xD8021Writevideo_interrupt_w
0xD8031Writesound_command_w
0xE0001Read PortDSW1
0x000170000Active High
0x0002100000Active High
0x0000150000Active High
0x0003NoActive High
0x0000OffActive High
0x0004OnActive High
0x0018EasyActive High
0x0010MediumActive High
0x0008HardActive High
0x0000HardestActive High
0x0000UprightActive High
0x0020CocktailActive High
0x0040UnusedActive Low
0xE0011Read PortDSW2
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0030EasyActive High
0x0010MediumActive High
0x0020HardActive High
0x0000HardestActive High
0x00402 Win, EndActive High
0x00001 Win, EndActive High
0x0080OffActive High
0x0000OnActive High
0xE0021Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick RightActive Low
0x0008Joystick LeftActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0xE0031Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick RightActive Low
0x0008Joystick LeftActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0xE0041Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Service 1Active Low
0x0004Start 1Active Low
0x0008Start 2Active Low
0x0010UnknownActive Low
0x0020CustomActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0xE0051Read PortEXTRA
0x0001Button 3Active Low
0x0002Button 3Active Low
0x0004UnusedActive Low
0x0008Coin 2Active Low
0x0010UnusedActive Low
0x0020UnusedActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0xE8001Write Only, Sharedscroll_y
0xF000-0xF7FF2048RAM(/* ???? */)
Memory Area:ringking_sound_io_map
Address RangeLengthFunctionDescription
0x00001Device Writedac, dac_byte_interface, write
0x0002-0x00032Device Writeaysnd, ay8910_device, data_address_w
0x00021Device Readaysnd, ay8910_device, data_r
Memory Area:ringking_sprite_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x8000-0x87FF2048RAM(/* work ram */)
0xA000-0xA3FF1024RAM, Sharedspriteram (/* sprite ram */)
0xA400-0xA43F64RAM(/* something related to scroll? */)
0xC800-0xCFFF2048RAM, Sharedshare2 (/* shared with main */)
Memory Area:ringking_video_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x8000-0x87FF2048RAM(/* work ram */)
0xA000-0xA3FF1024RAM Write, Sharedkingofb_videoram2_w, videoram2 (/* foreground vram */)
0xA400-0xA7FF1024RAM Write, Sharedkingofb_colorram2_w, colorram2 (/* foreground colorram */)
0xA800-0xA8FF256RAM Write, Sharedkingofb_videoram_w, videoram (/* background vram */)
0xAC00-0xACFF256RAM Write, Sharedkingofb_colorram_w, colorram (/* background colorram */)
0xC000-0xC7FF2048RAM, Sharedshare1 (/* shared with main */)
 

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
0x0000-0x7FFF32768cx12.4efCRC(1d5d6c6b) (Fluke: 5BF7)
0x0000-0x7FFF32768cx12.4efCRC(1d5d6c6b) (Fluke: 5BF7)
0x8000-0xBFFF16384j05_20.binCRC(64c137a4) (Fluke: 4EF6)
0x8000-0xBFFF16384j05_20.binCRC(64c137a4) (Fluke: 4EF6)
0x8000-0xBFFF16384j05_20.binCRC(64c137a4) (Fluke: 4EF6)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192cx08.13bCRC(dbd7c1c2),characters (Fluke: 93A1)
0x0000-0x1FFF8192cx08.13bCRC(dbd7c1c2),characters (Fluke: 93A1)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cx04.11jCRC(506a2ed9) (Fluke: 2B8C)
0x0000-0x7FFF32768cx04.11jCRC(506a2ed9) (Fluke: 2B8C)
0x8000-0xFFFF32768cx02.8jCRC(009dde6a) (Fluke: 730D)
0x8000-0xFFFF32768cx02.8jCRC(009dde6a) (Fluke: 730D)
0x10000-0x17FFF32768cx06.13jCRC(d819a3b2) (Fluke: F76A)
0x10000-0x17FFF32768cx06.13jCRC(d819a3b2) (Fluke: F76A)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cx03.9jCRC(682fd1c4),sprites (Fluke: DFBB)
0x0000-0x3FFF16384cx03.9jCRC(682fd1c4),sprites (Fluke: DFBB)
0x4000-0x7FFF16384cx01.7jCRC(85130b46) (Fluke: 17DF)
0x4000-0x7FFF16384cx01.7jCRC(85130b46) (Fluke: 17DF)
0x8000-0xBFFF16384cx05.12jCRC(f7c4f3dc) (Fluke: 2F60)
0x8000-0xBFFF16384cx05.12jCRC(f7c4f3dc) (Fluke: 2F60)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cx09.17dCRC(37a082cf),tiles (Fluke: 80BC)
0x0000-0x3FFF16384cx09.17dCRC(37a082cf),tiles (Fluke: 80BC)
0x4000-0x7FFF16384cx10.17eCRC(ab9446c5) (Fluke: 2BD7)
0x4000-0x7FFF16384cx10.17eCRC(ab9446c5) (Fluke: 2BD7)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cx13.9fCRC(93e38c02) (Fluke: 399D)
0x8000-0xBFFF16384cx14.11fCRC(a435acb0) (Fluke: 5522)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25682s135.2aCRC(0e723a83),red and green component (Fluke: DB23)
0x0000-0x00FF25682s135.2aCRC(0e723a83),red and green component (Fluke: DB23)
0x0000-0x00FF25682s135.2aCRC(0e723a83),red and green component (Fluke: DB23)
0x0100-0x01FF25682s129.1aCRC(d345cbb3),blue component (Fluke: 4B4F)
0x0100-0x01FF25682s129.1aCRC(d345cbb3),blue component (Fluke: 4B4F)
0x0100-0x01FF25682s129.1aCRC(d345cbb3),blue component (Fluke: 4B4F)
Memory Area:sprite
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192cx00.4cCRC(880b8aa7) (Fluke: 6A80)
0x0000-0x1FFF8192cx00.4cCRC(880b8aa7) (Fluke: 6A80)
Memory Area:video
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cx07.10cCRC(9f074746) (Fluke: B56E)
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