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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.
Championship Bowling (Seta / Romstar Inc., 1989)
Memory Area:champbwl_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM, Regionmaincpu, 0x10000
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0x87FF2048RAM, Sharednvram
0xA000-0xAFFF4096RAM, Device Read/Writespritegen, seta001_device, spritecodelow_r8, spritecodelow_w8
0xB000-0xBFFF4096RAM, Device Read/Writespritegen, seta001_device, spritecodehigh_r8, spritecodehigh_w8
0xC000-0xDFFF8192Device Read/Writex1snd, x1_010_device, read, write
0xE000-0xE2FF768RAM, Device Read/Writespritegen, seta001_device, spriteylow_r8, spriteylow_w8
0xE300-0xE3034Mirror, Device Write0xfc, spritegen, seta001_device, spritectrl_w8 (/* control registers (0x80 mirror used by Arkanoid 2) */)
0xE8001Device Writespritegen, seta001_device, spritebgflag_w8 (/* enable / disable background transparency */)
0xF0001Readtrackball_r
0xF0001Writechampbwl_misc_w
0xF0021Write NOP(//buttons light?)
0xF0021Read PortIN0
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004Start 1Active Low
0x0008Player ChangeActive Low
0x0010Coin 1Active Low
0x0020Coin 2Active Low
0x0040SpecialActive High
0x0080SpecialActive High
0xF0041Read PortIN1
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xF0041Write NOP(//buttons light?)
0xF0061Read PortIN2
0x0002CabinetActive High
0x0002UprightActive High
0x0000CocktailActive High
0x0004Free_PlayActive High
0x0004OffActive High
0x0000OnActive High
0x0008Demo_SoundsActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xF0061Write NOP(//buttons light?)
0xF0071Read PortIN3
0x0001Flip_ScreenActive High
0x0001OffActive High
0x0000OnActive High
0x0002UnknownActive High
0x0002OffActive High
0x0000OnActive High
0x0000Romstar (1)Active High
0x0004Romstar (2)Active High
0x0008Seta U.S.A, Romstar LicenseActive High
0x000cSetaActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xF8001Write NOP
 

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
0x0000-0x1FFFF131072ab001007.u22CRC(1ee9f6b1) (Fluke: C700)
0x20000-0x3FFFF131072ab001006.u15CRC(37baf753) (Fluke: 74CF)
0x40000-0x5FFFF131072ab001005.u9CRC(b80a9ed6) (Fluke: 8D18)
0x60000-0x7FFFF131072ab001004.u7CRC(584477b1) (Fluke: AAAD)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x10000-0x1FFFF65536ab001001.u1CRC(6c6f7675) (Fluke: 4469)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512ab001008.u26CRC(30ac8d48) (Fluke: 7162)
0x0200-0x03FF512ab001009.u27CRC(3bbd4bcd) (Fluke: 9B1D)
Memory Area:x1snd
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048champbwl.nvCRC(1d46aa8e)
0x40000-0x7FFFF262144ab003002.3-2CRC(7ede8f28) (Fluke: 18DA)
0xC0000-0xFFFFF262144ab003003.3-3CRC(ad40ad10) (Fluke: A43E)
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