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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.
Penky (Yun Sung, 1996)
Memory Area:base_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(/* ROM */)
0x8000-0xBFFF16384ROM Bankprgbank (/* ROM (banked) */)
0xC000-0xC7FF2048RAM Write, Sharedvram_2_w, vram_2 (/* Background */)
0xC800-0xCFFF2048RAM Write, Sharedvram_1_w, vram_1 (/* Midground */)
0xD000-0xD7FF2048RAM Write, Sharedvram_0_w, vram_0 (/* Foreground */)
Memory Area:paradise_io_map
Address RangeLengthFunctionDescription
0x20071Writeparadise_okibank_w (// OKI 1 samples bank)
0x20301Device Read/Writeoki2, okim6295_device, read, write (// OKI 1)
Memory Area:paradise_map
Address RangeLengthFunctionDescription
0xD800-0xD8FF256RAM(// RAM)
0xD900-0xE0FF2048RAM, Sharedspriteram (// Sprites)
0xE100-0xFFFF7936RAM(// RAM)
Memory Area:torus_io_map
Address RangeLengthFunctionDescription
0x0000-0x17FF6144RAM Write, Sharedpalette_w, paletteram (// Palette)
0x18001Writepriority_w (// Layers priority)
0x20011Writeflipscreen_w (// Flip Screen)
0x20041Writepalbank_w (// Layers palette bank)
0x20061Writerombank_w (// ROM bank)
0x20101Device Read/Writeoki1, okim6295_device, read, write (// OKI 0)
0x20201Read PortDSW1
0x00000:40Active High
0x00010:50Active High
0x00021:00Active High
0x00031:10Active High
0x000cDifficultyActive High
0x000cEasyActive High
0x0008NormalActive High
0x0004HardActive High
0x0000Very_HardActive High
0x0030Majority at Time or 99.9%Active High
0x0020Majority at Time or 90%Active High
0x0010Majority at Time or 85%Active High
0x0000Majority at Time or 80%Active High
0x0040UnknownActive High
0x0040OffActive High
0x0000OnActive High
0x0080UnknownActive High
0x0080OffActive High
0x0000OnActive High
0x20211Read PortDSW2
0x0003CoinageActive High
0x00003C_1CActive High
0x00012C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00002Active High
0x00103Active High
0x0020Demo_SoundsActive High
0x0020OffActive High
0x0000OnActive High
0x0040Flip_ScreenActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x20221Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080Start 1Active Low
0x20231Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080Start 2Active Low
0x20241Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040CustomActive Low
0x0080UnknownActive Low
0x8000-0xFFFF32768RAM Write, Sharedpixmap_w, videoram (// Pixmap)
Memory Area:torus_map
Address RangeLengthFunctionDescription
0xD800-0xDFFF2048RAM, Sharedspriteram (// Sprites)
0xE000-0xFFFF8192RAM(// RAM)
 

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
0x0000-0x7FFFF524288yunsung.u114CRC(cb6b1cfd)
0x80000-0xFFFFF524288yunsung.u115CRC(55c5ff90)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072yunsung.u94CRC(58b31c0e)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288yunsung.u92CRC(31993a6c)
0x80000-0xFFFFF524288yunsung.u93CRC(b570dc0c)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288yunsung.u110CRC(ba3173a1)
0x80000-0xFFFFF524288yunsung.u111CRC(9223ef85)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144yunsung.u128CRC(57baeada)
Memory Area:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144yunsung.u85CRC(c664d0cc)
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