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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.
N.Y. Captor (Taito, 1985)
Memory Area:nycaptor_m68705_map
Address RangeLengthFunctionDescription
0x00001Read/Writenycaptor_68705_port_a_r, nycaptor_68705_port_a_w
0x00011Read/Writenycaptor_68705_port_b_r, nycaptor_68705_port_b_w
0x00021Read/Writenycaptor_68705_port_c_r, nycaptor_68705_port_c_w
0x00041Writenycaptor_68705_ddr_a_w
0x00051Writenycaptor_68705_ddr_b_w
0x00061Writenycaptor_68705_ddr_c_w
0x0010-0x007F112RAM
0x0080-0x07FF1920ROM
Memory Area:nycaptor_master_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xC7FF2048RAM Write, Sharednycaptor_videoram_w, videoram
0xD0001Read/Writenycaptor_mcu_r, nycaptor_mcu_w
0xD0011Writesub_cpu_halt_w
0xD0021Read/Writenycaptor_generic_control_r, nycaptor_generic_control_w (/* bit 3 - memory bank at 0x8000-0xbfff */)
0xD4001Read/Writefrom_snd_r, sound_command_w
0xD4011Read NOP
0xD4031Writesound_cpu_reset_w
0xD8001Read PortDSWA
0x000220k 80k 80k+Active High
0x000350k 150k 200k+Active High
0x0001100k 300k 300k+Active High
0x0000150k 300k 300k+Active High
0x0004OffActive High
0x0000OnActive High
0x00081Active High
0x00002Active High
0x00183Active High
0x00105Active High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000OffActive High
0x0080OnActive High
0xD8011Read PortDSWB
0x000f9C_1CActive High
0x000e8C_1CActive High
0x000d7C_1CActive High
0x000c6C_1CActive High
0x000b5C_1CActive High
0x000a4C_1CActive High
0x00093C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00f09C_1CActive High
0x00e08C_1CActive High
0x00d07C_1CActive High
0x00c06C_1CActive High
0x00b05C_1CActive High
0x00a04C_1CActive High
0x00903C_1CActive High
0x00802C_1CActive High
0x00001C_1CActive High
0x00101C_2CActive High
0x00201C_3CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0xD8021Read PortDSWC
0x0001OffActive High
0x0000OnActive High
0x0000NoActive High
0x0002YesActive High
0x000cEasyActive High
0x0004NormalActive High
0x0008HardActive High
0x0000HardestActive High
0x0000NoActive High
0x0010YesActive High
0x0020Every StageActive High
0x0000Every 4 StagesActive High
0x0040OffActive High
0x0000OnActive High
0x00001Active High
0x00802Active High
0xD8031Read PortIN0
0x0001Start 1Active Low
0x0002UnknownActive Low
0x0004Service 1Active Low
0x0008TiltActive Low
0x0010Coin 1Active Low
0x0020Coin 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8041Read PortIN1
0x0001Button 1Active Low
0x00feUnusedActive Low
0xD8051Readnycaptor_mcu_status_r1
0xD8061Read NOP(/* unknown ?sound? */)
0xD8071Readnycaptor_mcu_status_r2
0xDC00-0xDC9F160RAM, Sharedspriteram
0xDCA0-0xDCBF32RAM Write, Sharednycaptor_scrlram_w, scrlram
0xDCE11Write NOP
0xDD00-0xDEFF512Read/Writenycaptor_palette_r, nycaptor_palette_w
0xDF031Read/Writenycaptor_gfxctrl_r, nycaptor_gfxctrl_w
0xE000-0xFFFF8192RAM, Sharedsharedram
Memory Area:nycaptor_slave_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM Write, Sharednycaptor_videoram_w, videoram
0xD8001Read PortDSWA
0x000220k 80k 80k+Active High
0x000350k 150k 200k+Active High
0x0001100k 300k 300k+Active High
0x0000150k 300k 300k+Active High
0x0004OffActive High
0x0000OnActive High
0x00081Active High
0x00002Active High
0x00183Active High
0x00105Active High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000OffActive High
0x0080OnActive High
0xD8011Read PortDSWB
0x000f9C_1CActive High
0x000e8C_1CActive High
0x000d7C_1CActive High
0x000c6C_1CActive High
0x000b5C_1CActive High
0x000a4C_1CActive High
0x00093C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00f09C_1CActive High
0x00e08C_1CActive High
0x00d07C_1CActive High
0x00c06C_1CActive High
0x00b05C_1CActive High
0x00a04C_1CActive High
0x00903C_1CActive High
0x00802C_1CActive High
0x00001C_1CActive High
0x00101C_2CActive High
0x00201C_3CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0xD8021Read PortDSWC
0x0001OffActive High
0x0000OnActive High
0x0000NoActive High
0x0002YesActive High
0x000cEasyActive High
0x0004NormalActive High
0x0008HardActive High
0x0000HardestActive High
0x0000NoActive High
0x0010YesActive High
0x0020Every StageActive High
0x0000Every 4 StagesActive High
0x0040OffActive High
0x0000OnActive High
0x00001Active High
0x00802Active High
0xD8031Read PortIN0
0x0001Start 1Active Low
0x0002UnknownActive Low
0x0004Service 1Active Low
0x0008TiltActive Low
0x0010Coin 1Active Low
0x0020Coin 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8041Read PortIN1
0x0001Button 1Active Low
0x00feUnusedActive Low
0xDC00-0xDC9F160RAM, Sharedspriteram
0xDCA0-0xDCBF32Write, Sharednycaptor_scrlram_w, scrlram
0xDD00-0xDEFF512Read/Writenycaptor_palette_r, nycaptor_palette_w
0xDF001Readnycaptor_bx_r
0xDF011Readnycaptor_by_r
0xDF021Readnycaptor_b_r
0xDF031Read, Write NOPnycaptor_gfxctrl_r, (/* ? gfx control ? */)
0xE000-0xFFFF8192RAM, Sharedsharedram
Memory Area:nycaptor_sound_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC7FF2048RAM
0xC800-0xC8012Device Writeay1, ay8910_device, address_data_w
0xC802-0xC8032Device Writeay2, ay8910_device, address_data_w
0xC900-0xC90D14Device Writemsm, msm5232_device, write
0xCA001Write NOP
0xCB001Write NOP
0xCC001Write NOP
0xD0001Device Read, Writesoundlatch, generic_latch_8_device, read, to_main_w
0xD2001Read NOP, Writenmi_enable_w
0xD4001Writenmi_disable_w
0xD6001Write NOP
0xE000-0xEFFF4096Read/Write NOP
 

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
0x0000-0x3FFF16384a50_15CRC(f8a604e5) (Fluke: FA77)
0x4000-0x7FFF16384a50_16CRC(fc24e11d) (Fluke: 31B7)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a50_07CRC(b3b330cf) (Fluke: A4FE)
0x4000-0x7FFF16384a50_09CRC(22e2232e) (Fluke: 9896)
0x8000-0xBFFF16384a50_11CRC(2c04ad4f) (Fluke: 35AB)
0xC000-0xFFFF16384a50_13CRC(9940e78d) (Fluke: D699)
0x10000-0x13FFF16384a50_08CRC(3c31be14) (Fluke: B06D)
0x14000-0x17FFF16384a50_10CRC(ce84dc5a) (Fluke: FA92)
0x18000-0x1BFFF16384a50_12CRC(3fb4cfa3) (Fluke: BEA6)
0x1C000-0x1FFFF16384a50_14CRC(24b2f1bf) (Fluke: 0D43)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a50_04CRC(33d971a3) (Fluke: 40B7)
0x4000-0x7FFF16384a50_03CRC(8557fa44) (Fluke: FCF8)
0x10000-0x13FFF16384a50_02CRC(9697b898) (Fluke: F0B9)
0x14000-0x17FFF16384a50_01CRC(0965f84a) (Fluke: 2321)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048a50_17CRC(69fe08dc) (Fluke: 2B4D)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a50_05-2CRC(7796655a) (Fluke: 2341)
0x4000-0x7FFF16384a50_06CRC(450d6783) (Fluke: C1ED)
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