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.
Memory Area:blkpnthr_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x81FFF8192Device Read/Write 8-bit, Sharedpalette, palette_device, read, write, 0x00ff, palette
0x90000-0x97FFF32768RAM
0xA0000-0xA00012RAM Writesalamand_control_port_word_w (/* irq enable, flipscreen, etc. */)
0xC0000-0xC00012Device Write 8-bitsoundlatch, generic_latch_8_device, write, 0x00ff
0xC0002-0xC00032Read PortDSW0
0xC0004-0xC00052Device Writewatchdog, watchdog_timer_device, reset16_w (/* probably */)
0xC2000-0xC20012Read PortIN0 (/* Coins, start buttons, test mode */)
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0004Service 1Active High
0x0008Start 1Active High
0x0010Start 2Active High
0x0020Flip_ScreenActive High
0x0020OffActive High
0x0000OnActive High
0x00c0OffActive High
0x00802 AreasActive High
0x00403 AreasActive High
0x00004 AreasActive High
0xC2002-0xC20032Read PortIN1
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0xC2004-0xC20052Read PortIN2
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0xC2006-0xC20072Read PortDSW1
0x0003LivesActive High
0x00033Active High
0x00024Active High
0x00015Active High
0x00007Active High
0x0004CabinetActive High
0x0000UprightActive High
0x0004CocktailActive High
0x0018Bonus_LifeActive High
0x001850k 100kActive High
0x001020k 50kActive High
0x000830k 70kActive High
0x000080k 150kActive High
0x0060DifficultyActive High
0x0060EasyActive High
0x0040NormalActive High
0x0020HardActive High
0x0000HardestActive High
0x0080Demo_SoundsActive High
0x0080OffActive High
0x0000OnActive High
0x100000-0x100FFF4096RAM Write, Shared, Mirrornemesis_colorram1_word_w, colorram1, 0x4000 (/* VRAM */)
0x101000-0x101FFF4096RAM Write, Shared, Mirrornemesis_colorram2_word_w, colorram2, 0x4000
0x102000-0x102FFF4096RAM Write, Sharednemesis_videoram1_word_w, videoram1
0x103000-0x103FFF4096RAM Write, Sharednemesis_videoram2_word_w, videoram2
0x120000-0x12FFFF65536RAM Write, Sharednemesis_charram_word_w, charram
0x180000-0x1803FF1024Sharedxscroll1
0x180000-0x181FFF8192RAM
0x180400-0x1807FF1024Sharedxscroll2
0x180F00-0x180F7F128Sharedyscroll2
0x180F80-0x180FFF128Sharedyscroll1
0x190000-0x190FFF4096RAM, Sharedspriteram (/* more sprite ram ??? */)
Memory Area:blkpnthr_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xA0001Device Readsoundlatch, generic_latch_8_device, read
0xB000-0xB00D14Device Read/Writek007232, k007232_device, read, write
0xC000-0xC0012Device Read/Writeymsnd, ym2151_device, read, write
0xE0001Readwd_r (/* watchdog?? */)
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768604-a08.11jCRC(aff88a2b) (Fluke: 28C3)
Memory Area:k007232
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072604-a01.10aCRC(eceb64a6) (Fluke: CA20)
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