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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.
Poker Roulette (Coinmaster, 1990)
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:pokeroul_io_map
Address RangeLengthFunctionDescription
0x00401Device Writecrtc, mc6845_device, address_w
0x00411Device Writecrtc, mc6845_device, register_w
0x0048-0x00492Device Writeaysnd, ay8910_device, address_data_w
0x00491Device Readaysnd, ay8910_device, data_r
0x0058-0x005B4Device Read/Writepia0, pia6821_device, read, write (/* confirmed */)
0x0001Cancel / CollectActive Low
0x0002Hold 1 & 5 (auto?Active Low
0x0004Hold 2 / Bet / Half Gamble / Previous HandActive Low
0x0008Deal / Draw / GambleActive Low
0x0010Auto HoldActive Low
0x0020Short Term MetersActive Low
0x0040Refill ModeActive Low
0x00800-8Active Low
0x0068-0x006B4Device Read/Writepia1, pia6821_device, read, write (/* confirmed */)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004PIA1.A_3Active Low
0x0008PIA1.A_4Active Low
0x0010PIA1.A_5Active Low
0x0020PIA1.A_6Active Low
0x0040PIA1.A_7Active Low
0x0080PIA1.A_8Active Low
0x0078-0x007B4Device Read/Writepia2, pia6821_device, read, write (/* confirmed */)
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
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x00C0-0x00C12Readff_r (/* needed to boot */)
 

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
0x0000-0x7FFF32768027c1.00_e14.7.88.ic25CRC(719f9879) (Fluke: EA11)
0x8000-0xFFFF32768027c1.01_e14.7.88.ic23CRC(71e5a2fc) (Fluke: 4B12)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768poker1.ic3CRC(bfe78d09) (Fluke: CD81)
0x8000-0xFFFF32768poker2.ic4CRC(34c1b55c) (Fluke: 7639)
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