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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.
Mahjong Diplomat [BET] (Dynax, 1987)
Memory Area:dondenmj_iomap
Address RangeLengthFunctionDescription
0x00011Device Readaysnd, ay8910_device, data_r
0x0002-0x00032Device Writeaysnd, ay8910_device, data_address_w
0x00101Read Port, WriteDSW1, royalmah_palbank_w
0x000f96%Active High
0x000e93%Active High
0x000d90%Active High
0x000c87%Active High
0x000b84%Active High
0x000a81%Active High
0x000978%Active High
0x000875%Active High
0x000771%Active High
0x000668%Active High
0x000565%Active High
0x000462%Active High
0x000359%Active High
0x000256%Active High
0x000153%Active High
0x000050%Active High
0x00001Active High
0x00105Active High
0x002010Active High
0x003020Active High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
0x00111Read Port, WriteSYSTEM, input_port_select_w
0x00851Read PortDSW2 (// DSW2)
0x000032 24 16 12 8 4 2 1Active High
0x000350 30 15 8 5 3 2 1Active High
0x0002100 50 25 10 5 3 2 1Active High
0x0001200 100 50 10 5 3 2 1Active High
0x0000OffActive High
0x0004OnActive High
0x0000OffActive High
0x0008OnActive High
0x0000100Active High
0x0010200Active High
0x0020300Active High
0x0030500Active High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x00861Read PortDSW3 (// DSW3)
0x0001OffActive High
0x0000OnActive High
0x0000OffActive High
0x0002OnActive High
0x0000OffActive High
0x0004OnActive High
0x0000OffActive High
0x0008OnActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
0x00871Writedynax_bank_w
Memory Area:mjdiplob_iomap
Address RangeLengthFunctionDescription
0x00011Device Readaysnd, ay8910_device, data_r
0x0002-0x00032Device Writeaysnd, ay8910_device, data_address_w
0x00101Read Port, WriteDSW1, royalmah_palbank_w
0x000f96%Active High
0x000e93%Active High
0x000d90%Active High
0x000c87%Active High
0x000b84%Active High
0x000a81%Active High
0x000978%Active High
0x000875%Active High
0x000771%Active High
0x000668%Active High
0x000565%Active High
0x000462%Active High
0x000359%Active High
0x000256%Active High
0x000153%Active High
0x000050%Active High
0x00001Active High
0x00105Active High
0x002010Active High
0x003020Active High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
0x00111Read Port, WriteSYSTEM, input_port_select_w
0x00611Writetontonb_bank_w
0x00621Read PortDSW2 (// DSW2)
0x000032 24 16 12 8 4 2 1Active High
0x000350 30 15 8 5 3 2 1Active High
0x0002100 50 25 10 5 3 2 1Active High
0x0001200 100 50 10 5 3 2 1Active High
0x0000OffActive High
0x0004OnActive High
0x0000OffActive High
0x0008OnActive High
0x0000100Active High
0x0010200Active High
0x0020300Active High
0x0030500Active High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x00631Read PortDSW3 (// DSW3)
0x0001OffActive High
0x0000OnActive High
0x0000OffActive High
0x0002OnActive High
0x0000OffActive High
0x0004OnActive High
0x0000OffActive High
0x0008OnActive High
0x0000OffActive High
0x0010OnActive High
0x0000OffActive High
0x0020OnActive High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
Memory Area:royalmah_iomap
Address RangeLengthFunctionDescription
0x00011Device Readaysnd, ay8910_device, data_r
0x0002-0x00032Device Writeaysnd, ay8910_device, data_address_w
0x00101Read Port, WriteDSW1, royalmah_palbank_w
0x000f96%Active High
0x000e93%Active High
0x000d90%Active High
0x000c87%Active High
0x000b84%Active High
0x000a81%Active High
0x000978%Active High
0x000875%Active High
0x000771%Active High
0x000668%Active High
0x000565%Active High
0x000462%Active High
0x000359%Active High
0x000256%Active High
0x000153%Active High
0x000050%Active High
0x00001Active High
0x00105Active High
0x002010Active High
0x003020Active High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
0x00111Read Port, WriteSYSTEM, input_port_select_w
Memory Area:royalmah_map
Address RangeLengthFunctionDescription
0x0000-0x6FFF28672ROM, Writeroyalmah_rom_w
0x7000-0x7FFF4096RAM, Sharednvram
0x8000-0xFFFF32768Write Only, Sharedvideoram
0x8000-0xFFFF32768ROM Bankbank1 (// banked ROMs not present in royalmah)
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536071.4lCRC(81a6d6b0) (Fluke: 2944)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32ic6k.binCRC(c1e427df) (Fluke: 8C5F)
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