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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 Ougon No Pai (bootleg, 1991)
Memory Area:tenkai_io_map
Address RangeLengthFunctionDescription
0x00001Writetenkai_p6_w
0x00001Read/Writetenkai_p8_r, tenkai_p8_w
0x00001Writetenkai_p7_w
0x00001Writetenkai_p4_w
0x00001Readtenkai_p5_r
0x00001Read/Writetenkai_p3_r, tenkai_p3_w
Memory Area:tenkai_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x6FFF4096RAM
0x7000-0x7FFF4096RAM, Sharednvram
0x8000-0xFFFF32768Read/Writetenkai_8000_r, tenkai_8000_w
0x100001Device Readaysnd, ay8910_device, data_r (// AY8910)
0x100081Device Writeaysnd, ay8910_device, data_w (//)
0x100101Device Writeaysnd, ay8910_device, address_w (//)
0x10020-0x100212Device Writeym2413, ym2413_device, write (//)
0x100401Writedynax_blit_pen_w (// Destination Pen)
0x100441Writetenkai_blit_dest_w (// Destination Layer)
0x100481Writetenkai_blit_palette23_w (// Layers Palettes)
0x1004C1Writetenkai_blit_palette01_w (//)
0x100501Writetenkai_priority_w (// layer priority and enable)
0x100541Writedynax_blit_backpen_w (// Background Color)
0x100581Writetenkai_blit_romregion_w (// Blitter ROM bank)
0x100601Writeyarunara_flipscreen_inv_w (// Flip Screen)
0x100641Writeyarunara_layer_half_w (// half of the interleaved layer to write to)
0x100681Writeyarunara_layer_half2_w (//)
0x1006C1Writetenkai_6c_w (// ?)
0x100701Writetenkai_70_w (// ?)
0x1007C1Write NOP(// IRQ Ack? (0,2))
0x100C01Writetenkai_ipsel_w
0x100C11Writetenkai_ip_w
0x100C2-0x100C32Readtenkai_ip_r
0x100E1-0x100E77Writetenkai_blitter_rev2_w (// Blitter (inverted scroll values))
 

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
0x0000-0x7FFFF524288tydg002.u8CRC(b0f08a20) (Fluke: EF91)
0x80000-0xFFFFF524288tydg003.u6CRC(60717d91) (Fluke: 2EDF)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288tydg004.u21CRC(b7d49d04) (Fluke: 6378)
0x80000-0xFFFFF524288tydg005.u19CRC(39e4e6f3) (Fluke: 7266)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384ougonpaib_tmp91p640n-10.5b
0x0000-0x3FFFF262144tydg001.u11CRC(4ffa543c) (Fluke: E1CF)
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