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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.
PK Tetris (IGS, 0)
Memory Area:igspoker_io_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536Readexp_rom_r
0x2000-0x27FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x2800-0x2FFF2048RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0x40001Read PortDSW1 (/* DSW1 */)
0x0001Demo_SoundsActive High
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004DemoActive High
0x0000AmuseActive High
0x00181Active High
0x00105Active High
0x000810Active High
0x000020Active High
0x00e01Active High
0x00c05Active High
0x00a010Active High
0x008020Active High
0x006050Active High
0x004075Active High
0x0020100Active High
0x0000200Active High
0x40011Read PortDSW2 (/* DSW2 */)
0x00011:1Active High
0x00005:1Active High
0x0002FreeActive High
0x00001 CreditActive High
0x0004PokerActive High
0x0000NumbersActive High
0x001810Active High
0x001020Active High
0x000850Active High
0x0000100Active High
0x00e01Active High
0x00c02Active High
0x00a05Active High
0x008010Active High
0x006020Active High
0x004040Active High
0x002050Active High
0x0000100Active High
0x40021Read PortDSW3 (/* DSW3 */)
0x0001SlowActive High
0x0000QuickActive High
0x0002OffActive High
0x0000OnActive High
0x00041Active High
0x000010Active High
0x001830000Active High
0x001050000Active High
0x000870000Active High
0x0000UnlimitedActive High
0x00e01Active High
0x00c010Active High
0x00a020Active High
0x008050Active High
0x0060100Active High
0x0040100Active High
0x0020100Active High
0x0000100Active High
0x40031Read PortDSW4 (/* DSW4 */)
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008ManualActive High
0x0000AutoActive High
0x0010NoActive High
0x0000YesActive High
0x00e01:1Active High
0x00c05:1Active High
0x00a010:1Active High
0x008020:1Active High
0x006025:1Active High
0x004050:1Active High
0x0020100:1Active High
0x0000200:1Active High
0x40041Read PortDSW5 (/* DSW5 */)
0x0001EasyActive High
0x0000YesActive High
0x0002OffActive High
0x0000OnActive High
0x00fcUnusedActive Low
0x50801Writeigs_nmi_and_coins_w
0x50811Read PortSERVICE (/* Services */)
0x0002ServiceActive Low
0x0004HPSWActive Low
0x0010Gamble PayoutActive Low
0x0040StatisticsActive Low
0x50821Read PortCOINS (/* Coing & Kbd */)
0x0001Coin 1Active Low
0x0002OtherActive Low
0x0004Coin 2Active Low
0x0008Gamble KeyinActive Low
0x0010Key DownActive Low
0x00e0UnusedActive High
0x50901Writecustom_io_w
0x50911Read, Writecustom_io_r, igs_lamps_w (/* Keyboard */)
0x50A01Read PortBUTTONS2 (/* Not connected */)
0x0001Start 1Active Low
0x0002Hold 1 / High / LowActive Low
0x0004Hold 5 / BetActive Low
0x0008Hold 4 / TakeActive Low
0x0010Hold 3 / W-UpActive Low
0x0020Hold 2 / Red / BlackActive Low
0x00c0UnusedActive Low
0x50B0-0x50B12Device Writeymsnd, ym2413_device, write
0x50C01Read, Writeigs_irqack_r, igs_irqack_w
0x6800-0x6FFF2048RAM Write, Sharedbg_tile_w, bg_tile_ram
0x7000-0x77FF2048RAM Write, Sharedfg_tile_w, fg_tile_ram
0x7800-0x7FFF2048RAM Write, Sharedfg_color_w, fg_color_ram
Memory Area:igspoker_prg_map
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM
0xF000-0xFFFF4096RAM, Regionmaincpu, 0xf000
 

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
0x0000-0x1FFFF131072346i-3.binCRC(cfc4954d) (Fluke: 10A3)
0x20000-0x3FFFF131072346i-2.binCRC(f198a24f) (Fluke: 1ED5)
0x40000-0x5FFFF131072346i-1.binCRC(1f8ae481) (Fluke: 3C85)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536v-346i.binCRC(8015ef13) (Fluke: 84B9)
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