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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.
New York! New York! (Sigma Enterprises Inc., 1980)
Memory Area:nyny_audio_1_map
Address RangeLengthFunctionDescription
0x0000-0x007F128RAM(/* internal RAM */)
0x0080-0x0FFF3968Read/Write NOP
0x10001Mirror, Device Read, Write0x0fff, soundlatch, generic_latch_8_device, read, audio_1_answer_w
0x20001Mirror, Read Port0x0fff, SW3
0x0001Flip_ScreenActive High
0x0000OffActive High
0x0001OnActive High
0x0002CabinetActive High
0x0000UprightActive High
0x0002CocktailActive High
0x001c-1Active High
0x0018-2Active High
0x0014-3Active High
0x0000NeutralActive High
0x0004+1Active High
0x0008+2Active High
0x000c+3Active High
0x00e0-1Active High
0x00c0-2Active High
0x00a0-3Active High
0x0000NeutralActive High
0x0060+1Active High
0x0040+2Active High
0x0020+3Active High
0x3000-0x30012Mirror, Device Write0x0ffc, ay1, ay8910_device, data_address_w
0x30001Mirror, Device Read0x0ffc, ay1, ay8910_device, data_r
0x3002-0x30032Mirror, Device Write0x0ffc, ay2, ay8910_device, data_address_w
0x30021Mirror, Device Read0x0ffc, ay2, ay8910_device, data_r
0x4000-0x4FFF4096Read/Write NOP
0x5000-0x57FF2048Mirror, ROM0x0800,
0x6000-0x67FF2048Mirror, ROM0x0800,
0x7000-0x77FF2048Mirror, ROM0x0800,
Memory Area:nyny_audio_2_map
Address RangeLengthFunctionDescription
0x0000-0x007F128RAM(/* internal RAM */)
0x0080-0x0FFF3968Read/Write NOP
0x10001Mirror, Device Read0x0fff, soundlatch2, generic_latch_8_device, read
0x20001Mirror, Device Read0x0ffe, ay3, ay8910_device, data_r
0x2000-0x20012Mirror, Device Write0x0ffe, ay3, ay8910_device, data_address_w
0x3000-0x6FFF16384Read/Write NOP
0x7000-0x77FF2048Mirror, ROM0x0800,
Memory Area:nyny_main_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192RAM, Sharedvideoram1
0x2000-0x3FFF8192RAM, Sharedcolorram1
0x4000-0x5FFF8192RAM, Sharedvideoram2
0x6000-0x7FFF8192RAM, Sharedcolorram2
0x8000-0x9FFF8192RAM
0xA000-0xA0FF256RAM, Sharednvram (/* SRAM (coin counter, shown when holding F2) */)
0xA1001Mirror, Device Write0x00fe, crtc, mc6845_device, address_w
0xA1011Mirror, Device Write0x00fe, crtc, mc6845_device, register_w
0xA200-0xA20F16Mirror, Read/Write0x00f0, nyny_pia_1_2_r, nyny_pia_1_2_w
0xA3001Mirror, Device Read, Write0x00ff, soundlatch3, generic_latch_8_device, read, audio_1_command_w
0xA400-0xA7FF1024Read/Write NOP
0xA800-0xBFFF6144ROM
0xC000-0xDFFF8192RAM
0xE000-0xFFFF8192ROM
 

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:audio2
Address RangeLengthLabel/LocationDescription
0x7000-0x77FF2048nyny11.sndCRC(650450fc) (Fluke: 3855)
Memory Area:audiocpu
Address RangeLengthLabel/LocationDescription
0x5000-0x57FF2048nyny08.093CRC(19ddb6c3) (Fluke: FD0E)
0x6000-0x67FF2048nyny09.092CRC(a359c6f1) (Fluke: EB1B)
0x7000-0x77FF2048nyny10.091CRC(a72a70fa) (Fluke: F157)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xA800-0xAFFF2048nyny01s.100CRC(a2b76eca) (Fluke: 9DE9)
0xB000-0xB7FF2048nyny02s.099CRC(ef2d4dae) (Fluke: AEC5)
0xB800-0xBFFF2048nyny03s.098CRC(2734c229) (Fluke: E4D5)
0xE000-0xE7FF2048nyny04s.097CRC(bd94087f) (Fluke: CF33)
0xE800-0xEFFF2048nyny05s.096CRC(248b22c4) (Fluke: 6DEA)
0xF000-0xF7FF2048nyny06s.095CRC(8c073052) (Fluke: 91C5)
0xF800-0xFFFF2048nyny07s.094CRC(d49d7429) (Fluke: 555F)
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