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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.
Witch (Excellent System, 1992)
Memory Area:map_main
Address RangeLengthFunctionDescription
0x0000-0x07FF2048ROM
0x0800-0x7FFF30720ROM Bankbank1
0x8000-0x80012Device Read/Writeym1, ym2203_device, read, write
0x8008-0x80092Device Read/Writeym2, ym2203_device, read, write
0xA000-0xA0034Device Read/Writeppi1, i8255_device, read, write
0x0001Payout 2Active Low
0x0002Gamble PayoutActive Low
0x00fcUnusedActive Low
0xA004-0xA0074Device Read/Writeppi2, i8255_device, read, write
0x0001OffActive High
0x0000OnActive High
0x00f01-1Active High
0x00e01-2Active High
0x00d01-3Active High
0x00c01-4Active High
0x00b01-5Active High
0x00a01-6Active High
0x00901-7Active High
0x00801-8Active High
0x00701-9Active High
0x00601-10Active High
0x00501-15Active High
0x00401-20Active High
0x00301-25Active High
0x00201-30Active High
0x00101-40Active High
0x00001-50Active High
0xA0081Writewrite_a008
0xA00C1Read PortSERVICE (// stats / reset)
0x0001SpecialActive Low
0x0006UnusedActive Low
0x0008Memory ResetActive Low
0x0010UnusedActive Low
0x0020Gamble BookActive Low
0x00c0UnusedActive Low
0xA00E1Read PortCOINS (// coins/attendant keys)
0x0001Gamble KeyinActive Low
0x0002Coin 2Active Low
0x0004Attendant PayActive Low
0x0008Coin 1Active Low
0x00f0UnusedActive Low
0xC000-0xC3FF1024RAM, Write, Sharedgfx0_vram_w, gfx0_vram
0xC400-0xC7FF1024RAM, Write, Sharedgfx0_cram_w, gfx0_cram
0xC800-0xCBFF1024Read/Write, Sharedgfx1_vram_r, gfx1_vram_w, gfx1_vram
0xCC00-0xCFFF1024Read/Write, Sharedgfx1_cram_r, gfx1_cram_w, gfx1_cram
0xD000-0xDFFF4096RAM, Sharedsprite_ram
0xE000-0xE7FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xE800-0xEFFF2048RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xF000-0xF0FF256RAM, Sharedshare1
0xF100-0xF1FF256RAM, Sharednvram
0xF200-0xFFFF3584RAM, Sharedshare2
Memory Area:map_sub
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x80012Device Read/Writeym1, ym2203_device, read, write
0x8008-0x80092Device Read/Writeym2, ym2203_device, read, write
0x8010-0x80167Read, Device Writeread_8010, essnd, es8712_device, es8712_w
0xA000-0xA0034Device Read/Writeppi1, i8255_device, read, write
0x0001Payout 2Active Low
0x0002Gamble PayoutActive Low
0x00fcUnusedActive Low
0xA004-0xA0074Device Read/Writeppi2, i8255_device, read, write
0x0001OffActive High
0x0000OnActive High
0x00f01-1Active High
0x00e01-2Active High
0x00d01-3Active High
0x00c01-4Active High
0x00b01-5Active High
0x00a01-6Active High
0x00901-7Active High
0x00801-8Active High
0x00701-9Active High
0x00601-10Active High
0x00501-15Active High
0x00401-20Active High
0x00301-25Active High
0x00201-30Active High
0x00101-40Active High
0x00001-50Active High
0xA0081Writewrite_a008
0xA00C1Read PortSERVICE (// stats / reset)
0x0001SpecialActive Low
0x0006UnusedActive Low
0x0008Memory ResetActive Low
0x0010UnusedActive Low
0x0020Gamble BookActive Low
0x00c0UnusedActive Low
0xF000-0xF0FF256RAM, Sharedshare1
0xF200-0xFFFF3584RAM, Sharedshare2
 

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:essnd
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621441.v10CRC(62e42371) (Fluke: 22F2)
0x0000-0x3FFFF2621441.v10CRC(62e42371) (Fluke: 22F2)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF1310723.u3CRC(7007ced4) (Fluke: 057E)
0x0000-0x1FFFF1310723.u3CRC(7007ced4) (Fluke: 057E)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621445.a1CRC(fc37a9c2)
0x0000-0x3FFFF2621445.a1CRC(fc37a9c2)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x10000-0x2FFFF131072u_5b.u5CRC(5c9f685a)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327686.s6CRC(82460b82) (Fluke: 0F84)
0x0000-0x7FFF327686.s6CRC(82460b82) (Fluke: 0F84)
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