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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.
Dark Horse (bootleg, 2001)
Memory Area:darkhors_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x400000-0x41FFFF131072RAM
0x490040-0x4900434Writedarkhors_eeprom_w
0x4E0080-0x4E00834Read Port, Write4e0080, darkhors_unk1_w
0xffffUnknownActive Low
0x10000Service 1Active Low
0x20000Service 2Active Low
0x40000Service 3Active Low
0x80000Service 4Active Low
0x100000TestActive Low
0x200000UnknownActive Low
0x400000UnknownActive Low
0x800000SpecialActive High
0x1000000Start 1Active Low
0x2000000P1 PayoutActive Low
0x4000000P1 CancelActive Low
0x8000000Start 2Active Low
0x10000000P2 PayoutActive Low
0x20000000P2 CancelActive Low
0x40000000UnknownActive Low
0x80000000UnknownActive Low
0x580000-0x5800034Read Port580000
0xff7fffffUnknownActive Low
0x800000?Active Low
0x580004-0x5800074Read Port580004
0xffffUnknownActive Low
0x10000Bill 1Active Low
0x20000Coin 1Active Low
0x40000Coin 3Active Low
0x80000Coin 1Active Low
0x100000SpecialActive Low
0x1000000P1 Bet 1Active Low
0x2000000Coin 2Active Low
0x4000000Coin 4Active Low
0x8000000Coin 2Active Low
0x10000000SpecialActive Low
0x580008-0x58000B4Readdarkhors_input_sel_r
0x58000C-0x58000F4Writedarkhors_input_sel_w
0x580084-0x5800874Device Read/Write 8-bitoki, okim6295_device, read, write, 0xff000000
0x580200-0x5802034Read NOP
0x580400-0x5804034Read Port580400
0xfffcffffUnknownActive Low
0x100000Active Low
0x200009Active Low
0x580420-0x5804234Read Port580420
0xfffcffffUnknownActive Low
0x100000*Active Low
0x200009*Active Low
0x800000-0x86BFFF442368RAM
0x86C000-0x86FFFF16384RAM Write, Shareddarkhors_tmapram_w, tmapram
0x870000-0x873FFF16384RAM Write, Shareddarkhors_tmapram2_w, tmapram2
0x874000-0x87DFFF40960RAM
0x87E000-0x87FFFF8192RAM, Sharedspriteram
0x880000-0x89FFFF131072RAM, Device Write, Sharedpalette, palette_device, write, palette
0x8A0000-0x8BFFFF131072RAM(// this should still be palette ram!)
0x8C0120-0x8C012F16Write Only, Sharedtmapscroll
0x8C0130-0x8C013F16Write Only, Sharedtmapscroll2
 

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:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128eepromCRC(1f434f66)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288gfx1CRC(e9fe9967) (Fluke: B3)
0x80000-0xFFFFF524288gfx2CRC(0853c5c5) (Fluke: 5E7F)
0x100000-0x17FFFF524288gfx3CRC(6e89278f) (Fluke: 0B76)
0x180000-0x1FFFFF524288gfx4CRC(f28407ab) (Fluke: 3DB8)
0x200000-0x27FFFF524288gfx5CRC(281402cd) (Fluke: 6A22)
0x280000-0x2FFFFF524288gfx6CRC(8ea0149b) (Fluke: 2167)
0x300000-0x37FFFF524288gfx7BAD_DUMP CRC(504bf849) (Fluke: 10DD)
0x380000-0x3FFFFF524288gfx8CRC(590bec2a) (Fluke: 2784)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288sndCRC(7aeb12d3) (Fluke: F13C)
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