Search

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 The Mysterious World (Dynax, 1994)
Memory Area:mjmyster_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM(// ROM)
0x6000-0x6FFF4096RAM(// RAM)
0x7000-0x7FFF4096RAM Bankbank2 (// RAM (Banked))
0x8000-0xFFFF32768ROM Bankbank1 (// ROM/RAM (Banked))
0xF000-0xF1FF512Writerongrong_palette_w (// RAM enabled by bit 4 of rombank)
0xF200-0xFFFF3584Write NOP(// "")
Memory Area:mjmyster_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Writemjmyster_blitter_w
0x00031Readrongrong_gfxrom_r
0x001C1Writemjmyster_rambank_w
0x001E1Writemmpanic_rombank_w
0x00201Writemjmyster_select2_w
0x00211Writemjmyster_coincounter_w
0x00221Readmjmyster_coins_r
0x00231Readmjmyster_keyb_r
0x00401Device Read/Writeoki, okim6295_device, read, write
0x0042-0x00432Device Writeym2413, ym2413_device, write
0x00441Device Readaysnd, ay8910_device, data_r
0x00461Device Writeaysnd, ay8910_device, data_w
0x00481Device Writeaysnd, ay8910_device, address_w
0x0060-0x006F16Device Read/Writertc, msm6242_device, read, write
0x0080-0x00834Writeddenlovr_palette_base_w
0x0084-0x00874Writeddenlovr_palette_mask_w
0x0088-0x008B4Writeddenlovr_transparency_pen_w
0x008C-0x008F4Writeddenlovr_transparency_mask_w
0x00941Writeddenlovr_bgcolor_w
0x00951Writeddenlovr_priority_w
0x00961Writeddenlovr_layer_enable_w
0x00981Readunk_r (// ? must be 78 on startup)
0x00C21Readhanakanz_rand_r
0x00C31Readmjmyster_dsw_r
Memory Area:quizchq_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM(// ROM)
0x6000-0x6FFF4096RAM(// RAM)
0x7000-0x7FFF4096RAM Bankbank2 (// RAM (Banked))
0x8000-0xFFFF32768ROM Bankbank1 (// ROM (Banked))
0x8000-0x81FF512Writerongrong_palette_w
Memory Area:quizchq_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Writerongrong_blitter_w
0x00031Readrongrong_gfxrom_r
0x001B1Read/Writerongrong_blitter_busy_r, rongrong_blitter_busy_w
0x001C1Readrongrong_input_r
0x001E1Writerongrong_select_w
0x00201Writeddenlovr_select2_w
0x0022-0x00232Readrongrong_input2_r
0x00401Device Read/Writeoki, okim6295_device, read, write
0x0060-0x00612Device Writeym2413, ym2413_device, write
0x0080-0x00834Writeddenlovr_palette_base_w
0x0084-0x00874Writeddenlovr_palette_mask_w
0x0088-0x008B4Writeddenlovr_transparency_pen_w
0x008C-0x008F4Writeddenlovr_transparency_mask_w
0x00941Writeddenlovr_bgcolor_w
0x00951Writeddenlovr_priority_w
0x00961Writeddenlovr_layer_enable_w
0x00981Readunk_r (// ? must be 78 on startup)
0x00A0-0x00AF16Device Read/Writertc, msm6242_device, read, write
0x00C01Writequizchq_oki_bank_w
0x00C21Write NOP(// enables palette RAM at 8000)
 

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:blitter
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF52428877t6.b12CRC(a287589a) (Fluke: 10A0)
0x80000-0xFFFFF52428877t5.b11CRC(a3475059) (Fluke: 562B)
0x100000-0x17FFFF52428877t4.b10CRC(f45c24d6) (Fluke: 4177)
0x180000-0x19FFFF13107277t3.b9CRC(8671165b) (Fluke: EF3B)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF26214477t2.c3CRC(b1427cce) (Fluke: 28A7)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107277t1.d1CRC(09b7a9b2) (Fluke: 576E)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3