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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.
Seicross (Nichibutsu / Alice, 1984)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x77FF30720ROM
0x7800-0x7FFF2048RAM, Sharedshare1
0x8820-0x887F96RAM, Sharedspriteram
0x9000-0x93FF1024RAM Write, Sharedvideoram_w, videoram (/* video RAM */)
0x9800-0x981F32RAM, Sharedrow_scroll
0x9880-0x989F32Write Only, Sharedspriteram2
0x9C00-0x9FFF1024RAM Write, Sharedcolorram_w, colorram
0xA0001Read PortIN0 (/* IN0 */)
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Coin 1Active High
0x0020Coin 2Active High
0x0040Start 1Active High
0x0080Start 2Active High
0xA8001Read PortIN1 (/* IN1 */)
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Service 1Active High
0x0020UnknownActive High
0x0040Button 1Active High
0x0080Button 1Active High
0xB0001Read PortTEST (/* test */)
0x0000OffActive High
0x0002OnActive High
0x00fcUnknownActive High
0xB8001Device Readwatchdog, watchdog_timer_device, reset_r
Memory Area:main_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Mirror, Device Write0x08, aysnd, ay8910_device, address_data_w
0x00041Mirror, Device Read0x08, aysnd, ay8910_device, data_r
Memory Area:mcu_no_nvram_map
Address RangeLengthFunctionDescription
0x0000-0x007F128RAM
0x10031Read PortDSW1 (/* DSW1 */)
0x0000OffActive High
0x0001OnActive High
0x0000OffActive High
0x0002OnActive High
0x000020000 40000Active High
0x000430000Active High
0x000830000 50000Active High
0x000c30000 60000 90000Active High
0x00f0UnusedActive High
0x10051Read PortDSW2 (/* DSW2 */)
0x0001UprightActive High
0x0000CocktailActive High
0x0000EasyActive High
0x0002HardActive High
0x00082Active High
0x00003Active High
0x00044Active High
0x000c5Active High
0x00f0UnusedActive High
0x10061Read PortDSW3 (/* DSW3 */)
0x00034C_1CActive High
0x00023C_1CActive High
0x00012C_1CActive High
0x00001C_1CActive High
0x00001C_1CActive High
0x00041C_2CActive High
0x00081C_3CActive High
0x000c1C_6CActive High
0x00f0UnusedActive High
0x20001Writedac_w
0x8000-0xF7FF30720ROM, Regionmaincpu, 0
0xF800-0xFFFF2048RAM, Sharedshare1
 

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
0x0000-0x0FFF4096sz11.7kCRC(fbd9b91d) (Fluke: AB69)
0x1000-0x1FFF4096smcdCRC(c3c953c4) (Fluke: CEA0)
0x2000-0x2FFF4096sz9.7jCRC(4819f0cd) (Fluke: FB2B)
0x3000-0x3FFF4096sz10.7hCRC(4c268778) (Fluke: B849)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096smc1CRC(f6c3aeca) (Fluke: F180)
0x1000-0x1FFF4096smc2CRC(0ec6c218) (Fluke: 28BA)
0x2000-0x2FFF4096smc3CRC(ceb3c8f4) (Fluke: 3392)
0x3000-0x3FFF4096smc4CRC(3112af59) (Fluke: D68F)
0x4000-0x4FFF4096smc5CRC(b494a993) (Fluke: C5AA)
0x5000-0x5FFF4096smc6CRC(09d5b9da) (Fluke: 3011)
0x6000-0x6FFF4096smc7CRC(13052b03) (Fluke: BA20)
0x7000-0x77FF2048smc8CRC(2093461d) (Fluke: 1ABB)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x004368pal16h2.3bCRC(e1a6a86d) (Fluke: EF96)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32sz73.10cCRC(4d218a3c) (Fluke: 3382)
0x0020-0x003F32sz74.10bCRC(c550531c) (Fluke: AFE6)
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