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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 Tensinhai (Dynax, 1995)
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
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080NoActive High
0x0000YesActive High
0x00111Read Port, WriteSYSTEM, input_port_select_w
0x00851Read PortDSW2 (// DSW2)
0x0003CutActive High
0x0002500Active High
0x0001700Active High
0x00001000Active High
0x00001Active High
0x00042Active High
0x00180Active High
0x00101Active High
0x00802Active High
0x00003Active High
0x00600Active High
0x00401Active High
0x00202Active High
0x00003Active High
0x0080OffActive High
0x0000OnActive High
0x00861Read PortDSW3 (// DSW3)
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_5CActive High
0x00001 Coin/10 CreditsActive High
0x000c1Active High
0x00082Active High
0x00043Active High
0x00005Active High
0x0030300Active High
0x0020500Active High
0x0010700Active High
0x00001000Active High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x00871Writedynax_bank_w
Memory Area:mjderngr_iomap
Address RangeLengthFunctionDescription
0x00011Device Readaysnd, ay8910_device, data_r
0x0002-0x00032Device Writeaysnd, ay8910_device, data_address_w
0x00101Writemjderngr_coin_w (// palette bank is set separately)
0x00111Read Port, WriteSYSTEM, input_port_select_w
0x00201Writedynax_bank_w
0x00401Read PortDSW2
0x0003CutActive High
0x0002500Active High
0x0001700Active High
0x00001000Active High
0x00001Active High
0x00042Active High
0x00180Active High
0x00101Active High
0x00802Active High
0x00003Active High
0x00600Active High
0x00401Active High
0x00202Active High
0x00003Active High
0x0080OffActive High
0x0000OnActive High
0x004C1Read PortDSW1
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080NoActive High
0x0000YesActive High
0x00601Writemjderngr_palbank_w
Memory Area:mjtensin_iomap
Address RangeLengthFunctionDescription
0x00001Readmjtensin_p3_r
0x00001Writemjtensin_p4_w
Memory Area:mjtensin_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x6FBF4032RAM
0x6FC11Device Readaysnd, ay8910_device, data_r
0x6FC2-0x6FC32Device Writeaysnd, ay8910_device, data_address_w
0x6FD01Writejanptr96_coin_counter_w
0x6FD11Read Port, WriteSYSTEM, input_port_select_w
0x6FE0-0x6FEF16Device Read/Writertc, msm6242_device, read, write
0x6FF01Read/Writejanptr96_dsw_r, janptr96_dswsel_w
0x6FF11Writemjderngr_palbank_w
0x6FF31Writemjtensin_6ff3_w
0x7000-0x7FFF4096RAM, Sharednvram
0x8000-0xFFFF32768ROM Bankbank1
0x8000-0xFFFF32768Write Only, Sharedvideoram
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
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080NoActive High
0x0000YesActive High
0x00111Read Port, WriteSYSTEM, input_port_select_w
Memory Area:royalmah_map
Address RangeLengthFunctionDescription
0x0000-0x6FFF28672ROM, Writeroyalmah_rom_w
0x7000-0x7FFF4096RAM, Sharednvram
0x8000-0xFFFF32768ROM Bankbank1 (// banked ROMs not present in royalmah)
0x8000-0xFFFF32768Write Only, Sharedvideoram
 

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
0x0000-0x7FFFF5242881001.5eCRC(960e1fe9) (Fluke: 6604)
0x110000-0x18FFFF5242881002.4eCRC(240eb7af) (Fluke: 029C)
0x210000-0x28FFFF5242881003.3eCRC(876081bf) (Fluke: 6DE9)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512d100-2.7eCRC(6edeed23) (Fluke: EB7B)
0x0200-0x03FF512d100-1.6eCRC(88befd59) (Fluke: 60D8)
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