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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.
Joker Poker (Coinmaster, 1985)
Memory Area:coinmstr_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xDFFF8192RAM
0xE000-0xE7FF2048RAM Write, Sharedquizmstr_bg_w, videoram
0xE800-0xEFFF2048RAM Write, Sharedquizmstr_attr1_w, attr_ram1
0xF000-0xF7FF2048RAM Write, Sharedquizmstr_attr2_w, attr_ram2
0xF800-0xFFFF2048RAM Write, Sharedquizmstr_attr3_w, attr_ram3
Memory Area:jpcoin_io_map
Address RangeLengthFunctionDescription
0x00C0-0x00C12Device Writeaysnd, ay8910_device, address_data_w
0x00C11Device Readaysnd, ay8910_device, data_r
0x00C41Readff_r (/* needed to boot */)
0x00C8-0x00CB4Device Read/Writepia0, pia6821_device, read, write (/* confirmed */)
0x0001Hold 1Active Low
0x0002BookkeepingActive Low
0x0004credits x10Active Low
0x0008credits x1Active Low
0x0010credits x5Active Low
0x0020Remote x100Active Low
0x0040Deal/StartActive Low
0x0080Hold 5Active Low
0x00D0-0x00D34Device Read/Writepia1, pia6821_device, read, write
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x00D8-0x00DB4Device Read/Writepia2, pia6821_device, read, write (/* confirmed */)
0x0001Hold 4Active Low
0x0002Hold 3Active Low
0x0004Hold 2Active Low
0x0008LowActive Low
0x0010HighActive Low
0x0020CancelActive Low
0x0040Key OutActive Low
0x0080BetActive Low
0x00E01Device Writecrtc, mc6845_device, address_w (/* confirmed */)
0x00E11Device Writecrtc, mc6845_device, register_w (/* confirmed */)
Memory Area:jpcoin_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xDFFF8192RAM(/* 2x 6462 hardware */)
0xE000-0xE7FF2048RAM Write, Sharedquizmstr_bg_w, videoram
0xE800-0xEFFF2048RAM Write, Sharedquizmstr_attr1_w, attr_ram1
0xF000-0xF7FF2048RAM Write, Sharedquizmstr_attr2_w, attr_ram2
0xF800-0xFFFF2048RAM Write, Sharedquizmstr_attr3_w, attr_ram3
 

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
0x0000-0x3FFF163844.binCRC(2bac1c0b)
0x4000-0x7FFF163843.binCRC(4984053e)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922.binCRC(67e1aa60)
0x4000-0x5FFF81921.binCRC(6c79e430)
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