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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.
Good E Jong -Kachinuki Mahjong Syoukin Oh!!- (Seibu Kaihatsu (Tecmo license), 1991)
Memory Area:common_io_map
Address RangeLengthFunctionDescription
0x9000-0x90012Writegfxbank_w
0xB000-0xB0034Write NOP
0xB004-0xB0052Writemahjong_panel_w
0xC000-0xC0012Read PortDSW1
0x001eCoinageActive High
0x001e1C_1CActive High
0x001c2C_1CActive High
0x001a3C_1CActive High
0x00184C_1CActive High
0x00165C_1CActive High
0x00146C_1CActive High
0x00121C_2CActive High
0x00101C_3CActive High
0x000e1C_4CActive High
0x000c1C_5CActive High
0x000a1C_6CActive High
0x00082C_2CActive High
0x00063C_2CActive High
0x00045C_3CActive High
0x00028C_3CActive High
0x0000Free_PlayActive High
0x00201Active High
0x00002Active High
0x0040OffActive High
0x0000OnActive High
0x03001500Active High
0x02002000Active High
0x01001000Active High
0x00003000Active High
0x1000Demo_SoundsActive High
0x1000OnActive High
0x0000OffActive High
0x2000OnActive High
0x0000OffActive High
0xC002-0xC0032Readmahjong_panel_r
0xC004-0xC0052Read PortDSW2 (// switches)
0x0001Service 1Active Low
0xfffeUnknownActive Low
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
 

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(732e9eae) (Fluke: 47E4)
0x0000-0x7FFF327685.1016CRC(732e9eae) (Fluke: 47E4)
Memory Area:bg_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576e_jan2scr.064CRC(71654822) (Fluke: C731)
0x0000-0xFFFFF1048576e_jan2scr.064CRC(71654822) (Fluke: C731)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288e-jan.911CRC(6d2cbc35) (Fluke: 176C)
0x0000-0x7FFFF524288e-jan.911CRC(6d2cbc35) (Fluke: 176C)
Memory Area:spr_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288e_jan2obj.078CRC(0f892ef2) (Fluke: 01B6)
0x0000-0x7FFFF524288e_jan2obj.078CRC(0f892ef2) (Fluke: 01B6)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256fmj08.083CRC(9657b7ad) (Fluke: 6F23)
0x0000-0x00FF256fmj08.083CRC(9657b7ad) (Fluke: 6F23)
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