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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.
Capcom Baseball (Capcom, 1989)
Memory Area:cbasebal_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xCFFF4096Read/Write, Sharedbankedram_r, bankedram_w, palette (/* palette + vram + scrollram */)
0xE000-0xFDFF7680RAM(/* work RAM */)
0xFE00-0xFFFF512RAM, Sharedspriteram
Memory Area:cbasebal_portmap
Address RangeLengthFunctionDescription
0x00001Writecbasebal_bankswitch_w
0x00011Write PortIO_01
0x00021Write PortIO_02
0x00031Write PortIO_03
0x00051Device Writeoki, okim6295_device, write
0x0006-0x00072Device Writeymsnd, ym2413_device, write
0x0008-0x00092Writecbasebal_scrollx_w
0x000A-0x000B2Writecbasebal_scrolly_w
0x00101Read PortP1
0x0001UnknownActive Low
0x0002Button 3Active Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00111Read PortP2
0x0001UnknownActive Low
0x0002Button 3Active Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00121Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Coin 3Active Low
0x0010Start 2Active Low
0x0020Start 1Active Low
0x0040CustomActive Low
0x0080SpecialActive High
0x00131Writecbasebal_gfxctrl_w
0x00141Writecbasebal_coinctrl_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
0x0000-0xFFFF65536cbj13.16mCRC(2359fa0a),text (Fluke: 826C)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072cbj02.1fCRC(d6740535),tiles (Fluke: 7BBF)
0x20000-0x3FFFF131072cbj03.2fCRC(88098dcd) (Fluke: 712C)
0x40000-0x5FFFF131072cbj08.1jCRC(5f3344bf) (Fluke: D9B3)
0x60000-0x7FFFF131072cbj09.2jCRC(aafffdae) (Fluke: 2CF9)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072cbj11.1mCRC(bdc1507d),sprites (Fluke: 63CB)
0x20000-0x3FFFF131072cbj12.2mCRC(973f3efe) (Fluke: 3D87)
0x40000-0x5FFFF131072cbj14.1nCRC(765dabaa) (Fluke: 4B4F)
0x60000-0x7FFFF131072cbj15.2nCRC(74756de5) (Fluke: F56D)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cbj10.11jCRC(bbff0acc) (Fluke: F611)
0x10000-0x2FFFF131072cbj07.16fCRC(8111d13f) (Fluke: A0F7)
0x30000-0x4FFFF131072cbj06.14fCRC(9aaa0e37) (Fluke: BE01)
0x50000-0x6FFFF131072cbj05.13fCRC(d0089f37) (Fluke: DF8E)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072cbj01.1eCRC(1d8968bd) (Fluke: E426)
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