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.
Memory Area:common_io_map
Address RangeLengthFunctionDescription
0x9000-0x90012Writegfxbank_w
0xB000-0xB0034Write NOP
0xB004-0xB0052Writemahjong_panel_w
0xC000-0xC0012Read PortDSW1
0xC002-0xC0032Readmahjong_panel_r
0xC004-0xC0052Read PortDSW2 (// switches)
0xD000-0xD00F16Device Read/Writeseibu_sound, seibu_sound_device, main_word_r, main_word_w
Memory Area:goodejan_io_map
Address RangeLengthFunctionDescription
0x8000-0x807F128Device Read/Writecrtc, seibu_crtc_device, read_xor, write_xor
Memory Area:goodejan_map
Address RangeLengthFunctionDescription
0x0000-0xAFFF45056RAM
0xC000-0xC7FF2048RAM Write, Sharedseibucrtc_sc0vram_w, sc0_vram
0xC800-0xCFFF2048RAM Write, Sharedseibucrtc_sc3vram_w, sc3_vram
0xD000-0xDFFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xE000-0xE7FF2048RAM Write, Sharedseibucrtc_sc1vram_w, sc1_vram
0xE800-0xEFFF2048RAM Write, Sharedseibucrtc_sc2vram_w, sc2_vram
0xF800-0xFFFF2048RAM, Sharedsprite_ram
0xC0000-0xFFFFF262144ROM
Memory Area:totmejan_io_map
Address RangeLengthFunctionDescription
0x8000-0x804F80Device Read/Writecrtc, seibu_crtc_device, read, write
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327685.1016CRC(8bfdb304) (Fluke: 12DE)
Memory Area:bg_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576e-jan.064CRC(5f6185ee) (Fluke: 5CF8)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288e-jan.0911CRC(a7fb93c2) (Fluke: 6AA3)
Memory Area:spr_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288e-jan.078CRC(ff9ee9d8) (Fluke: 2FC3)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256fmj08.083CRC(9657b7ad) (Fluke: 6F23)
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