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.
Memory Area:gunbird_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(// ROM)
0x8000-0x81FF512RAM(// RAM)
0x8200-0xFFFF32256ROM Bankbank1 (// Banked ROM)
Memory Area:psikyo_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// ROM (not all used))
0x400000-0x401FFF8192RAM, Sharedspriteram (// Sprites, buffered by two frames (list buffered + fb buffered))
0x600000-0x601FFF8192RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0x800000-0x801FFF8192RAM Write, Sharedpsikyo_vram_0_w, vram_0 (// Layer 0)
0x802000-0x803FFF8192RAM Write, Sharedpsikyo_vram_1_w, vram_1 (// Layer 1)
0x804000-0x807FFF16384RAM, Sharedvregs (// RAM + Vregs)
0xFE0000-0xFFFFFF131072RAM(// RAM)
Memory Area:s1945_sound_io_map
Address RangeLengthFunctionDescription
0x00001Writegunbird_sound_bankswitch_w
0x0002-0x00032Write NOP
0x0008-0x000D6Device Read/Writeymf, ymf278b_device, read, write
0x00101Readpsikyo_soundlatch_r
0x00181Writepsikyo_clear_nmi_w
 

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
0x0000-0x1FFFF1310721-u63.binCRC(2025e387) (Fluke: E609)
Memory Area:cpu2
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF2564-u59.bin
Memory Area:spritelut
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144u1.binCRC(681d7d55) (Fluke: 5623)
Memory Area:ymf
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152u61.binCRC(a63633c5) (Fluke: EB26)
0x200000-0x3FFFFF2097152u62.binCRC(3ad0c357) (Fluke: 2832)
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