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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.
Nandemo Seal Iinkai (I'Max / Jaleco, 1997)
Memory Area:nndmseal_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x103FFF16384RAM, Sharedspriteram (// Object RAM)
0x104000-0x107FFF16384RAM(// Spare Object RAM)
0x108000-0x10FFFF32768RAM(// Work RAM)
0x200000-0x23FFFF262144Read/Writetetrisp2_priority_r, tetrisp2_priority_w
0x300000-0x31FFFF131072RAM Write, Sharedtetrisp2_palette_w, paletteram (// Palette)
0x400000-0x403FFF16384RAM Write, Sharedtetrisp2_vram_fg_w, vram_fg (// Foreground)
0x404000-0x407FFF16384RAM Write, Sharedtetrisp2_vram_bg_w, vram_bg (// Background)
0x408000-0x409FFF8192RAM(// ???)
0x500000-0x50FFFF65536RAM(// Line)
0x600000-0x60FFFF65536RAM Write, Sharedtetrisp2_vram_rot_w, vram_rot (// Rotation)
0x650000-0x651FFF8192RAM Writetetrisp2_vram_rot_w (// Rotation (mirror))
0x800000-0x8000034Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff (// Sound)
0x900000-0x903FFF16384Read/Write, Sharedtetrisp2_nvram_r, tetrisp2_nvram_w, nvram (// NVRAM)
0xB00000-0xB000012Writenndmseal_coincounter_w (// Coin Counter)
0xB20000-0xB200012Writenndmseal_b20000_w (// ???)
0xB40000-0xB4000B12Write Only, Sharedscroll_fg (// Foreground Scrolling)
0xB40010-0xB4001B12Write Only, Sharedscroll_bg (// Background Scrolling)
0xB4003E-0xB4003F2Write NOP(// scr_size)
0xB60000-0xB6002F48Write Only, Sharedrotregs (// Rotation Registers)
0xB80000-0xB800012Writenndmseal_sound_bank_w
0xBA0000-0xBA001F32Writerockn_systemregs_w (// system param)
0xBA001A-0xBA001B2Write NOP(// Lev 4 irq ack)
0xBA001E-0xBA001F2Write NOP(// Lev 2 irq ack)
0xBE0000-0xBE00012Read NOP(// INT-level1 dummy read)
0xBE0002-0xBE00032Read PortBUTTONS (// Inputs)
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010OKActive Low
0x0020CancelActive Low
0x0040-Active Low
0x0080+Active Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0xBE0004-0xBE00052Read PortCOINS (// "")
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Service 2Active Low
0x0020Service 1Active Low
0x0040Coin 1Active Low
0x0080UnknownActive Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0xBE0006-0xBE00072Read PortPRINT (// "")
0x0001Print 1?Active Low
0x0002Print 2?Active Low
0x0004SpecialActive High
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0xBE0008-0xBE00092Read PortDSW (// "")
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x000035Active High
0x004045Active High
0x0080OffActive High
0x0000OnActive High
0x0f000Active High
0x0e001Active High
0x0d002Active High
0x0c003Active High
0x0b004Active High
0x0a005Active High
0x09006Active High
0x08007Active High
0x07008Active High
0x06009Active High
0x0500aActive High
0x0400bActive High
0x0300cActive High
0x0200dActive High
0x0100eActive High
0x0000Free_PlayActive High
0x0000OffActive High
0x1000OnActive High
0x2000OffActive High
0x0000OnActive High
0x4000OffActive High
0x0000OnActive High
0xBE000A-0xBE000B2Device Readwatchdog, watchdog_timer_device, reset16_r
 

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:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152mr97006-02.5CRC(4793f84e) (Fluke: 6D60)
0x200000-0x3FFFFF2097152mr97001-01.6CRC(dd648e8a) (Fluke: 93E1)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152mr97006-01.2CRC(32283485) (Fluke: 43C2)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576mr97006-04.8CRC(6726a25b) (Fluke: AECA)
Memory Area:okisource
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152mr96017-04.9CRC(c2e7b444) (Fluke: C880)
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