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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.
Music Sort (ABM Games, 1995)
Memory Area:magic10_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x100FFF4096RAM Write, Sharedlayer1_videoram_w, layer1_videoram
0x101000-0x101FFF4096RAM Write, Sharedlayer0_videoram_w, layer0_videoram
0x102000-0x103FFF8192RAM Write, Sharedlayer2_videoram_w, layer2_videoram
0x200000-0x2007FF2048RAM, Sharednvram
0x300000-0x3001FF512RAM Device Write, Sharedpalette, palette_device, write, palette
0x400000-0x4000012Read PortINPUTS
0x0001Poker Hold 1Active Low
0x0002Hold 2 / HeadsActive Low
0x0004Poker Hold 3Active Low
0x0008Hold 4 / TailsActive Low
0x0010Hold 5 / Half GambleActive Low
0x0020Start 1Active Low
0x0040Play (Bet / TakeActive Low
0x0080DoorActive Low
0x0100Coin 1Active Low
0x0200Coin 2Active Low
0x0400Aux AActive Low
0x0800Aux BActive Low
0x2000OutholeActive Low
0x4000Aux CActive Low
0x8000OKActive Low
0x400002-0x4000032Read PortDSW
0x00ffUnusedActive High
0x0300DifficultyActive High
0x0000EasyActive High
0x0100MediumActive High
0x0200HardActive High
0x0300HardestActive High
0x0c00CoinageActive High
0x0000Coin A: 50 - Coin B: 50Active High
0x0800Coin A: 50 - Coin B: 50Active High
0x0400Coin A: 100 - Coin B: 100Active High
0x0c00Coin A: 100 - Coin B: 100Active High
0x30001000= 1 Play; 2000= 2 Play; 3000= 3 PlayActive High
0x20002000= 1 Play; 4000= 2 Play; 6000= 3 PlayActive High
0x10002500= 1 Play; 5000= 2 Play; 7500= 3 PlayActive High
0x00005000= 1 Play; 10000= 2 Play; 15000= 3 PlayActive High
0x0000DisabledActive High
0x4000EnabledActive High
0x0000Play ScoreActive High
0x8000No Play ScoreActive High
0x400008-0x4000092Writemagic10_out_w
0x40000A-0x40000B2Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x40000E-0x40000F2Write NOP
0x400080-0x4000878RAM, Sharedvregs
0x600000-0x603FFF16384RAM
Memory Area:magic10a_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x100FFF4096RAM Write, Sharedlayer1_videoram_w, layer1_videoram
0x101000-0x101FFF4096RAM Write, Sharedlayer0_videoram_w, layer0_videoram
0x102000-0x103FFF8192RAM Write, Sharedlayer2_videoram_w, layer2_videoram
0x200000-0x2007FF2048RAM, Sharednvram
0x300000-0x3001FF512RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x5000012Read PortINPUTS
0x0001Poker Hold 1Active Low
0x0002Hold 2 / HeadsActive Low
0x0004Poker Hold 3Active Low
0x0008Hold 4 / TailsActive Low
0x0010Hold 5 / Half GambleActive Low
0x0020Start 1Active Low
0x0040Play (Bet / TakeActive Low
0x0080DoorActive Low
0x0100Coin 1Active Low
0x0200Coin 2Active Low
0x0400Aux AActive Low
0x0800Aux BActive Low
0x2000OutholeActive Low
0x4000Aux CActive Low
0x8000OKActive Low
0x500002-0x5000032Read PortDSW
0x00ffUnusedActive High
0x0300DifficultyActive High
0x0000EasyActive High
0x0100MediumActive High
0x0200HardActive High
0x0300HardestActive High
0x0c00CoinageActive High
0x0000Coin A: 50 - Coin B: 50Active High
0x0800Coin A: 50 - Coin B: 50Active High
0x0400Coin A: 100 - Coin B: 100Active High
0x0c00Coin A: 100 - Coin B: 100Active High
0x30001000= 1 Play; 2000= 2 Play; 3000= 3 PlayActive High
0x20002000= 1 Play; 4000= 2 Play; 6000= 3 PlayActive High
0x10002500= 1 Play; 5000= 2 Play; 7500= 3 PlayActive High
0x00005000= 1 Play; 10000= 2 Play; 15000= 3 PlayActive High
0x0000DisabledActive High
0x4000EnabledActive High
0x0000Play ScoreActive High
0x8000No Play ScoreActive High
0x500008-0x5000092Writemagic10_out_w
0x50000A-0x50000B2Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x50000E-0x50000F2Write NOP
0x500080-0x5000878RAM, Sharedvregs (// video registers?)
0x600000-0x603FFF16384RAM
 

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
0x0000-0x1FFFF1310726.u25CRC(9bcf89a6)
0x20000-0x3FFFF1310724.u26CRC(b9397659)
0x40000-0x5FFFF1310725.u27CRC(36d7aeb3)
0x60000-0x7FFFF1310727.u28CRC(a03e750b)
Memory Area:nvram
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048musicsrt_nv.binCRC(f4e063cf)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621441.u22CRC(98885246) (Fluke: A7C9)
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