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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.
Shocking (Yun Sung, 1997)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x800000-0x8000012Read PortINPUTS
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x0100Joystick RightActive Low
0x0200Joystick LeftActive Low
0x0400Joystick DownActive Low
0x0800Joystick UpActive Low
0x1000Button 1Active Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0x800018-0x8000192Read PortSYSTEM
0x0001Coin 1Active Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Start 1Active Low
0x0020Start 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x80001A-0x80001B2Read PortDSW1
0x00013C_1CActive High
0x00022C_1CActive High
0x00033C_2CActive High
0x00071C_1CActive High
0x00042C_3CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x0000Free_PlayActive High
0x0080OffActive High
0x0000OnActive High
0x80001C-0x80001D2Read PortDSW2
0x0004EasiestActive High
0x0005EasierActive High
0x0006EasyActive High
0x0007NormalActive High
0x0003MediumActive High
0x0002HardActive High
0x0001HarderActive High
0x0000HardestActive High
0x00202Active High
0x00303Active High
0x00104Active High
0x00005Active High
0x0040OffActive High
0x0000OnActive High
0x800030-0x8000312Write NOP(// ? (value: don't care))
0x800100-0x8001012Write NOP(// ? $9100)
0x800102-0x8001032Write NOP(// ? $9080)
0x800104-0x8001052Write NOP(// ? $90c0)
0x80010A-0x80010B2Write NOP(// ? $9000)
0x80010C-0x80010F4RAM, Sharedscrollram_1 (// Scrolling)
0x800114-0x8001174RAM, Sharedscrollram_0 (// Scrolling)
0x800154-0x8001552RAM, Sharedpriorityram (// Priority)
0x800180-0x8001812Write 8-bitsound_bank_w, 0x00ff (// Sound)
0x800188-0x8001892Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff (// Sound)
0x8001FE-0x8001FF2Write NOP(// ? 0 (during int))
0x900000-0x903FFF16384RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0x908000-0x90BFFF16384RAM Write, Sharedvram_1_w, vram_1 (// Layer 1)
0x90C000-0x90FFFF16384RAM Write, Sharedvram_0_w, vram_0 (// Layer 0)
0x910000-0x910FFF4096RAM, Sharedspriteram (// Sprites)
0xFF0000-0xFFFFFF65536RAM
 

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:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144yunsun16.u20CRC(124699d0) (Fluke: 6F69)
0x40000-0x7FFFF262144yunsun16.u21CRC(4eea29a2) (Fluke: 0F4F)
0x80000-0xBFFFF262144yunsun16.u22CRC(d6db0388) (Fluke: F5DB)
0xC0000-0xFFFFF262144yunsun16.u23CRC(1fa33b2e) (Fluke: 2F6D)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288yunsun16.131CRC(d0a1bb8c) (Fluke: 76C1)
0x0000-0x7FFFF524288yunsun16.131CRC(d0a1bb8c) (Fluke: 76C1)
0x0000-0x7FFFF524288yunsun16.131CRC(d0a1bb8c) (Fluke: 76C1)
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