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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.
Tehkan World Cup (bootleg, 1985)
Memory Area:main_mem
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC7FF2048RAM
0xC800-0xCFFF2048RAM, Sharedshare1
0xD000-0xD3FF1024RAM Write, Sharedvideoram_w, videoram
0xD400-0xD7FF1024RAM Write, Sharedcolorram_w, colorram
0xD800-0xDDFF1536RAM Device Write, Sharedpalette, palette_device, write, palette
0xDE00-0xDFFF512RAM, Sharedshare5 (/* unused part of the palette RAM, I think? Gridiron uses it */)
0xE000-0xE7FF2048RAM Write, Sharedvideoram2_w, videoram2
0xE800-0xEBFF1024RAM, Sharedspriteram (/* sprites */)
0xEC00-0xEC012RAM Writescroll_x_w
0xEC021RAM Writescroll_y_w
0xF800-0xF8012Read/Writetrack_0_r, track_0_reset_w (/* track 0 x/y */)
0xF8021Read Port, WriteSYSTEM, gridiron_led0_w
0xF8031Read PortP1BUT
0xF8061Read PortSYSTEM
0xF810-0xF8112Read/Writetrack_1_r, track_1_reset_w (/* track 1 x/y */)
0xF8121Writegridiron_led1_w
0xF8131Read PortP2BUT
0xF8201Device Read, Writesoundlatch2, generic_latch_8_device, read, sound_command_w (/* answer from the sound CPU */)
0xF8401Read Port, WriteDSW1, sub_cpu_halt_w
0xF8501Read Port, Write NOPDSW2, (/* ?? writes 0x00 or 0xff */)
0xF8601Device Read, Writewatchdog, watchdog_timer_device, reset_r, flipscreen_x_w
0xF8701Read Port, WriteDSW3, flipscreen_y_w
Memory Area:sound_mem
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x47FF2048RAM
0x80011Writemsm_reset_w (/* MSM51xx reset */)
0x80021Write NOP(/* ?? written in the IRQ handler */)
0x80031Write NOP(/* ?? written in the NMI handler */)
0xC0001Device Read, Writesoundlatch, generic_latch_8_device, read, sound_answer_w
Memory Area:sound_port
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeay1, ay8910_device, data_address_w
0x00001Device Readay1, ay8910_device, data_r
0x00021Device Readay2, ay8910_device, data_r
0x0002-0x00032Device Writeay2, ay8910_device, data_address_w
Memory Area:sub_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xC7FF18432RAM
0xC800-0xCFFF2048RAM, Sharedshare1
0xD000-0xD3FF1024RAM Write, Sharedvideoram_w, videoram
0xD400-0xD7FF1024RAM Write, Sharedcolorram_w, colorram
0xD800-0xDDFF1536RAM Device Write, Sharedpalette, palette_device, write, palette
0xDE00-0xDFFF512RAM, Sharedshare5 (/* unused part of the palette RAM, I think? Gridiron uses it */)
0xE000-0xE7FF2048RAM Write, Sharedvideoram2_w, videoram2
0xE800-0xEBFF1024RAM, Sharedspriteram (/* sprites */)
0xEC00-0xEC012RAM Writescroll_x_w
0xEC021RAM Writescroll_y_w
0xF8601Device Readwatchdog, watchdog_timer_device, reset_r
 

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:adpcm
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384e5.binCRC(444b5544) (Fluke: 2BB7)
Memory Area:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384e6.binCRC(e3112be2) (Fluke: 5231)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384e12.binCRC(a9e274f8),fg tiles (Fluke: 70B1)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768e8.binCRC(055a5264),sprites (Fluke: 204E)
0x8000-0xFFFF32768e7.binCRC(59faebe7) (Fluke: 8C83)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768e11.binCRC(669389fc),bg tiles (Fluke: 5EC7)
0x8000-0xFFFF32768e9.binCRC(347ef108) (Fluke: 0119)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384e1.binCRC(7aaaddef) (Fluke: 235E)
0x4000-0x7FFF16384e2.binCRC(65b53d99) (Fluke: 2F24)
0x8000-0xBFFF16384e3.binCRC(12064bfc) (Fluke: F808)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768e4.binCRC(70a9f883) (Fluke: 6F9D)
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