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:galaxi_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x1003FF1024RAM Write, Sharedgalaxi_bg1_w, bg1_ram
0x100400-0x1007FF1024RAM Write, Sharedgalaxi_bg2_w, bg2_ram
0x100800-0x100BFF1024RAM Write, Sharedgalaxi_bg3_w, bg3_ram
0x100C00-0x100FFF1024RAM Write, Sharedgalaxi_bg4_w, bg4_ram
0x101000-0x101FFF4096RAM Write, Sharedgalaxi_fg_w, fg_ram
0x102000-0x107FFF24576Read NOP(// unknown)
0x300000-0x3007FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x5000012Writegalaxi_500000_w
0x500000-0x5000012Read PortINPUTS
0x0001Poker Hold 1Active High
0x0002Poker Hold 2Active High
0x0004Poker Hold 3Active High
0x0008Poker Hold 4Active High
0x0010Poker Hold 5Active High
0x0020Start 1Active High
0x0040Gamble PayoutActive High
0x0080SpecialActive High
0x0100Coin 1Active High
0x0200Coin 2Active High
0x0400Hopper RefillActive High
0x0800SpecialActive High
0x1000SpecialActive High
0x4000Gamble KeyoutActive High
0x8000SpecialActive High
0x500002-0x5000032Writegalaxi_500002_w
0x500004-0x5000052Writegalaxi_500004_w
0x600000-0x607FFF32768RAM, Sharednvram (// 2x DS1230Y (non volatile SRAM))
0x700000-0x7000012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
 

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:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF26214421.u38CRC(199baf33) (Fluke: F815)
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