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:bishjan_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM, Regionmaincpu, 0
0x80000-0xFFFFF524288ROM, Regionmaincpu, 0
0x200000-0x207FFF32768RAM, Sharednvram (// battery)
0x412000-0x412FFF4096Read 8-bitss9601_videoram_1_lo_r, 0xffff
0x413000-0x4131FF512Read/Write 8-bitss9601_scrollram_1_lo_r, ss9601_scrollram_1_lo_w, 0xffff
0x416000-0x416FFF4096Read 8-bitss9601_reelram_lo_r, 0xffff
0x417000-0x4171FF512Read/Write 8-bitss9601_scrollram_0_lo_r, ss9601_scrollram_0_lo_w, 0xffff
0x422000-0x422FFF4096Read 8-bitss9601_videoram_1_hi_r, 0xffff
0x423000-0x4231FF512Read/Write 8-bitss9601_scrollram_1_hi_r, ss9601_scrollram_1_hi_w, 0xffff
0x426000-0x426FFF4096Read 8-bitss9601_reelram_hi_r, 0xffff
0x427000-0x4271FF512Read/Write 8-bitss9601_scrollram_0_hi_r, ss9601_scrollram_0_hi_w, 0xffff
0x430000-0x431FFF8192Write 8-bitss9601_videoram_1_hi_lo_w, 0xffff
0x432000-0x432FFF4096Write 8-bitss9601_videoram_1_hi_lo_w, 0xffff
0x433000-0x4331FF512Write 8-bitss9601_scrollram_1_hi_lo_w, 0xffff
0x434000-0x435FFF8192Write 8-bitss9601_videoram_0_hi_lo_w, 0xffff
0x436000-0x436FFF4096Write 8-bitss9601_reelram_hi_lo_w, 0xffff
0x437000-0x4371FF512Write 8-bitss9601_scrollram_0_hi_lo_w, 0xffff
0x600000-0x6000012Read NOP, Writebishjan_sound_w
0x600040-0x6000412Write 8-bitss9601_scrollctrl_w, 0xff00
0x600060-0x6000634Write 8-bithm86171_colorram_w, 0xffff
0x600080-0x6000812Write 8-bitss9601_tilesize_w, 0xff00
0x6000A0-0x6000A12Write 8-bitss9601_byte_lo_w, 0xff00
0xA0001E-0xA0001F2Write 8-bitss9601_disable_w, 0x00ff
0xA00020-0xA000256Write 8-bitss9601_scroll_w, 0xffff
0xC00000-0xC000012Read PortDSW (// SW1)
0x0001ControlsActive High
0x0001KeyboardActive High
0x0000JoystickActive High
0xC00002-0xC000032Read Port, WriteJOY, bishjan_input_w (// IN C)
0x00011 Player Start (Joy ModeActive Low
0x0002Joystick DownActive Low
0x0004UnknownActive Low
0x0008Joystick LeftActive Low
0x0010Joystick RightActive Low
0x0020Button 1Active Low
0x0040P1 Mahjong Bet (Joy ModeActive Low
0x0080Button 2Active Low
0xC00004-0xC000052Readbishjan_input_r (// IN A & B)
0xC00006-0xC000072Readbishjan_serial_r (// IN D)
0xC00008-0xC000092Read Port, Write, SharedRESET, bishjan_outputs_w, outputs16
0x0004ResetActive Low
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242881-v203.u21CRC(1f891d48) (Fluke: 1249)
Memory Area:samples
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF10485762-v201.u9CRC(ea42764d) (Fluke: 6062)
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