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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 Nanpa Story (Brooks, 1989)
Memory Area:club90s_map
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM
0xF000-0xF7FF2048RAM
0xF800-0xF80F16Read/Writeclut_r, clut_w
0xFC00-0xFDFF512Read/Writepalette_type1_r, palette_type1_w
Memory Area:gionbana_io_map
Address RangeLengthFunctionDescription
0x00001Device Writenb1413m3, nb1413m3_device, nmi_clock_w
0x0000-0x007F128Device Readnb1413m3, nb1413m3_device, sndrom_r
0x0020-0x00278Writeblitter_w
0x00401Writeclutsel_w
0x00601Writeromsel_w
0x00701Writescrolly_w
0x0080-0x00812Device Writefmsnd, ym3812_device, write
0x00901Device Readnb1413m3, nb1413m3_device, inputport0_r
0x00A01Device Read/Writenb1413m3, nb1413m3_device, inputport1_r, inputportsel_w
0x00B01Device Read/Writenb1413m3, nb1413m3_device, inputport2_r, sndrombank1_w
0x00C01Device Readnb1413m3, nb1413m3_device, inputport3_r (//AM_WRITENOP)
0x00D01Device Writedac, dac_byte_interface, write
0x00E01Writevramsel_w
0x00F01Device Read/Writenb1413m3, nb1413m3_device, dipsw1_r, outcoin_w
0x00F11Device Readnb1413m3, nb1413m3_device, dipsw2_r
Memory Area:gionbana_map
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM
0xF000-0xF00F16Read/Writeclut_r, clut_w
0xF400-0xF5FF512Read/Writepalette_type1_r, palette_type1_w
0xF800-0xFFFF2048RAM, Sharednvram
 

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
0x0000-0xFFFF65536mnst_04.binCRC(7b8fb5f2) (Fluke: 169A)
0x0000-0xFFFF65536mnst_04.binCRC(7b8fb5f2) (Fluke: 169A)
0x0000-0xFFFF65536mnst_04.binCRC(7b8fb5f2) (Fluke: 169A)
0x10000-0x1FFFF65536mnst_05.binCRC(6e48b612) (Fluke: 27BC)
0x10000-0x1FFFF65536mnst_05.binCRC(6e48b612) (Fluke: 27BC)
0x20000-0x2FFFF65536mnst_06.binCRC(1ea7db2e) (Fluke: A75B)
0x20000-0x2FFFF65536mnst_06.binCRC(1ea7db2e) (Fluke: A75B)
0x20000-0x2FFFF65536mnst_06.binCRC(1ea7db2e) (Fluke: A75B)
0x30000-0x3FFFF65536mnst_07.binCRC(2930acbb) (Fluke: 85A5)
0x30000-0x3FFFF65536mnst_07.binCRC(2930acbb) (Fluke: 85A5)
0x30000-0x3FFFF65536mnst_07.binCRC(2930acbb) (Fluke: 85A5)
0x40000-0x4FFFF65536mnst_08.binCRC(cd632b5c) (Fluke: 6369)
0x40000-0x4FFFF65536mnst_08.binCRC(cd632b5c) (Fluke: 6369)
0x40000-0x4FFFF65536mnst_08.binCRC(cd632b5c) (Fluke: 6369)
0x50000-0x5FFFF65536mnst_09.binCRC(77116d9e) (Fluke: 40A5)
0x50000-0x5FFFF65536mnst_09.binCRC(77116d9e) (Fluke: 40A5)
0x50000-0x5FFFF65536mnst_09.binCRC(77116d9e) (Fluke: 40A5)
0x60000-0x6FFFF65536mnst_10.binCRC(5502e478) (Fluke: C2C6)
0x60000-0x6FFFF65536mnst_10.binCRC(5502e478) (Fluke: C2C6)
0x60000-0x6FFFF65536mnst_10.binCRC(5502e478) (Fluke: C2C6)
0x70000-0x7FFFF65536mnst_11.binCRC(3f739fb1) (Fluke: 77A3)
0x70000-0x7FFFF65536mnst_11.binCRC(3f739fb1) (Fluke: 77A3)
0x80000-0x8FFFF65536mnst_12.binCRC(2741f576) (Fluke: EEE2)
0x80000-0x8FFFF65536mnst_12.binCRC(2741f576) (Fluke: EEE2)
0x90000-0x9FFFF65536mnst_13.binCRC(10132020) (Fluke: 5990)
0x90000-0x9FFFF65536mnst_13.binCRC(10132020) (Fluke: 5990)
0xA0000-0xAFFFF65536mnst_14.binCRC(03b32fa7) (Fluke: 4586)
0xA0000-0xAFFFF65536mnst_14.binCRC(03b32fa7) (Fluke: 4586)
0xA0000-0xAFFFF65536mnst_14.binCRC(03b32fa7) (Fluke: 4586)
0xB0000-0xBFFFF65536mnst_15.binCRC(4bb85dd7) (Fluke: 44E0)
0xB0000-0xBFFFF65536mnst_15.binCRC(4bb85dd7) (Fluke: 44E0)
0xC0000-0xCFFFF65536mnst_16.binCRC(38de91de) (Fluke: E274)
0xC0000-0xCFFFF65536mnst_16.binCRC(38de91de) (Fluke: E274)
0xD0000-0xDFFFF65536mnst_17.binCRC(23cac7e3) (Fluke: 90F5)
0xD0000-0xDFFFF65536mnst_17.binCRC(23cac7e3) (Fluke: 90F5)
0xD0000-0xDFFFF65536mnst_17.binCRC(23cac7e3) (Fluke: 90F5)
0xE0000-0xEFFFF65536mnst_18.binCRC(af62af24) (Fluke: 50E0)
0xE0000-0xEFFFF65536mnst_18.binCRC(af62af24) (Fluke: 50E0)
0xF0000-0xFFFFF65536mnst_19.binCRC(e18dc023) (Fluke: 0C30)
0xF0000-0xFFFFF65536mnst_19.binCRC(e18dc023) (Fluke: 0C30)
0x100000-0x10FFFF65536mnst_20.binCRC(ca706644) (Fluke: BDF3)
0x100000-0x10FFFF65536mnst_20.binCRC(ca706644) (Fluke: BDF3)
0x110000-0x11FFFF65536mnst_21.binCRC(0a609495) (Fluke: F2C1)
0x110000-0x11FFFF65536mnst_21.binCRC(0a609495) (Fluke: F2C1)
0x120000-0x12FFFF65536mnst_22.binCRC(3468f36f) (Fluke: E65E)
0x120000-0x12FFFF65536mnst_22.binCRC(3468f36f) (Fluke: E65E)
0x120000-0x12FFFF65536mnst_22.binCRC(3468f36f) (Fluke: E65E)
0x130000-0x13FFFF65536mnst_23.binCRC(8d1a64a6) (Fluke: D836)
0x130000-0x13FFFF65536mnst_23.binCRC(8d1a64a6) (Fluke: D836)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536mnst_03.binCRC(ece14e07) (Fluke: BDE3)
Memory Area:protection
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144mnst_m1.binCRC(77ba1eaf) (Fluke: C0EA)
0x0000-0x3FFFF262144mnst_m1.binCRC(77ba1eaf) (Fluke: C0EA)
0x0000-0x3FFFF262144mnst_m1.binCRC(77ba1eaf) (Fluke: C0EA)
Memory Area:voice
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536mnst_02.binCRC(22c7ddce) (Fluke: CC45)
0x0000-0xFFFF65536mnst_02.binCRC(22c7ddce) (Fluke: CC45)
0x0000-0xFFFF65536mnst_02.binCRC(22c7ddce) (Fluke: CC45)
0x10000-0x1FFFF65536mnst_01.binCRC(13b79c41) (Fluke: A9FA)
0x10000-0x1FFFF65536mnst_01.binCRC(13b79c41) (Fluke: A9FA)
0x10000-0x1FFFF65536mnst_01.binCRC(13b79c41) (Fluke: A9FA)
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