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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.
Puzzli (Metro / Banpresto, 1995)
Memory Area:daitorid_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM(// ROM)
0x400000-0x41FFFF131072RAM Write, Sharedmetro_vram_0_w, vram_0 (// Layer 0)
0x420000-0x43FFFF131072RAM Write, Sharedmetro_vram_1_w, vram_1 (// Layer 1)
0x440000-0x45FFFF131072RAM Write, Sharedmetro_vram_2_w, vram_2 (// Layer 2)
0x460000-0x46FFFF65536Readmetro_bankedrom_r (// Banked ROM)
0x470000-0x471FFF8192RAM(// ???)
0x472000-0x473FFF8192RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0x474000-0x474FFF4096RAM, Sharedspriteram (// Sprites)
0x478000-0x4787FF2048RAM, Sharedtiletable (// Tiles Set)
0x478840-0x47884D14Write, Sharedmetro_blitter_w, blitter_regs (// Tiles Blitter)
0x478860-0x47886B12Write, Sharedmetro_window_w, window (// Tilemap Window)
0x478870-0x47887B12Write Only, Sharedscroll (// Scroll)
0x478880-0x4788812Write NOP(// ? CRT)
0x478890-0x4788912Write NOP(// ? CRT)
0x4788A2-0x4788A32Read/Writemetro_irq_cause_r, metro_irq_cause_w (// IRQ Cause / IRQ Acknowledge)
0x4788A4-0x4788A52Write Only, Sharedirq_enable (// IRQ Enable)
0x4788A8-0x4788A92Writemetro_soundlatch_w (// To Sound CPU)
0x4788AA-0x4788AB2Write Only, Sharedrombank (// Rom Bank)
0x4788AC-0x4788AD2Write Only, Sharedscreenctrl (// Screen Control)
0x479700-0x47971320Write Only, Sharedvideoregs (// Video Registers)
0x800000-0x80FFFF65536RAM, Mirror0x0f0000 (// RAM (mirrored))
0xC00000-0xC000012Read Port, WriteIN0, metro_soundstatus_w (// To Sound CPU)
0xC00002-0xC000032Read PortIN1 (//)
0xC00002-0xC000098Writemetro_coin_lockout_4words_w (// Coin Lockout)
0xC00004-0xC000052Read PortDSW0 (//)
0x0300DifficultyActive High
0x0200EasyActive High
0x0300NormalActive High
0x0100NormalActive High
0x0000HardActive High
0x0000NoActive High
0x0400YesActive High
0x00001 CreditActive High
0x08002 CreditsActive High
0x00001/1Active High
0x10002/3Active High
0x2000Allow_ContinueActive High
0x0000NoActive High
0x2000YesActive High
0x4000Demo_SoundsActive High
0x0000OffActive High
0x4000OnActive High
0xC00006-0xC000072Read PortIN2 (//)
0xffffUnknownActive Low
Memory Area:daitorid_sound_io_map
Address RangeLengthFunctionDescription
0x00001Read/Writemetro_porta_r, metro_porta_w
0x00001Writedaitorid_sound_rombank_w
0x00001Writedaitorid_portb_w
Memory Area:metro_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM(/* External ROM */)
0x4000-0x7FFF16384ROM Bankbank1 (/* External ROM (Banked) */)
0x8000-0x87FF2048RAM(/* External RAM */)
0xFF00-0xFFFF256RAM(/* Internal RAM */)
 

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
0x0000-0x3FFF16384pz_jb8.3iCRC(c652da32) (Fluke: 7E66)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144pz_jb7.3gCRC(b3aab610) (Fluke: BA8C)
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