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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.
World Tennis (bootleg, 1982)
Memory Area:audio_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024Mirror, RAM, Shared0x1c00, , audio_rambase
0x2000-0x3FFF8192Device Writeay1, ay8910_device, data_w
0x4000-0x5FFF8192Device Writeay1, ay8910_device, address_w
0x6000-0x7FFF8192Device Writeay2, ay8910_device, data_w
0x8000-0x9FFF8192Device Writeay2, ay8910_device, address_w
0xA000-0xBFFF8192Readaudio_command_r
0xC000-0xDFFF8192Writeaudio_nmi_enable_w
0xE000-0xEFFF4096Mirror, ROM0x1000,
Memory Area:btime_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM, Sharedrambase
0x0C00-0x0C0F16RAM Device Write, Sharedpalette, palette_device, write, palette
0x1000-0x13FF1024RAM, Sharedvideoram
0x1400-0x17FF1024RAM, Sharedcolorram
0x1800-0x1BFF1024Read/Writebtime_mirrorvideoram_r, btime_mirrorvideoram_w
0x1C00-0x1FFF1024Read/Writebtime_mirrorcolorram_r, btime_mirrorcolorram_w
0x40001Read Port, Write NOPP1,
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x00e0UnknownActive Low
0x40011Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x00e0UnknownActive Low
0x40021Read Port, WriteSYSTEM, btime_video_control_w
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x40031Read Port, WriteDSW1, audio_command_w
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0x40041Read Port, WriteDSW2, bnj_scroll1_w
0x00012Active High
0x00003Active High
0x000610000Active High
0x000420000Active High
0x000230000Active High
0x0000NoneActive High
0x0000OffActive High
0x0008OnActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0xB000-0xFFFF20480ROM
Memory Area:lnc_map
Address RangeLengthFunctionDescription
0x0000-0x3BFF15360RAM, Sharedrambase
0x3C00-0x3FFF1024RAM Write, Sharedlnc_videoram_w, videoram
0x7800-0x7BFF1024Write Only, Sharedcolorram (/* this is just here to initialize the pointer */)
0x7C00-0x7FFF1024Read/Writebtime_mirrorvideoram_r, lnc_mirrorvideoram_w
0x80001Read Port, Write NOPDSW1, (/* ??? */)
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x00002C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x00041C_3CActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000UprightActive High
0x0040CocktailActive High
0x0080CustomActive High
0x80011Read Port, WriteDSW2, bnj_video_control_w
0x00012Active High
0x00003Active High
0x000610000Active High
0x000420000Active High
0x000230000Active High
0x0000NoneActive High
0x0000OffActive High
0x0008OnActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x80031Write Only, Sharedlnc_charbank
0x90001Read Port, Write NOPP1, (/* IRQ ack??? */)
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x00e0UnknownActive Low
0x90011Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x00e0UnknownActive Low
0x90021Read Port, WriteSYSTEM, audio_command_w
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0xB000-0xB1FF512RAM
0xC000-0xFFFF16384ROM
 

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
0x0000-0x0FFF4096ten7.l11CRC(aa935169) (Fluke: F54E)
0x1000-0x1FFF4096ten10.m11CRC(746be927) (Fluke: D39E)
0x2000-0x2FFF4096ten6.l13CRC(4fb8565d) (Fluke: 8F63)
0x3000-0x3FFF4096ten9.m13CRC(4893286d) (Fluke: 6EFC)
0x4000-0x4FFF4096ten5.l14CRC(ea1efa5d) (Fluke: 1A4E)
0x5000-0x5FFF4096ten8.m14CRC(542ace7b) (Fluke: E98C)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xC000-0xCFFF4096ten14.h4CRC(f7b27303)
0xD000-0xDFFF4096ten4.d4CRC(e465d82c) (Fluke: 790A)
0xE000-0xEFFF4096ten3.c4CRC(8f090eab) (Fluke: 149D)
0xF000-0xFFFF4096ten2.a4CRC(d2f9dd30) (Fluke: A951)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32mb7051.m5CRC(f051cb28),palette (Fluke: 2631)
0x0020-0x003F32sb-4cCRC(a29b4204),RAS/CAS logic - not used (Fluke: 9D1E)
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