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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.
Dealer's Choice (Merit, 1983)
Memory Area:pitboss_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x67FF2048RAM
0xA000-0xA0034Device Read/Writeppi8255_0, i8255_device, read, write
0xC000-0xC0034Device Read/Writeppi8255_1, i8255_device, read, write
0xE0001Device Writecrtc, mc6845_device, address_w
0xE0011Device Writecrtc, mc6845_device, register_w
0xE800-0xEFFF2048RAM, Sharedraattr
0xF000-0xF7FF2048RAM, Sharedravideo
0xF800-0xFBFF1024Read/Writepalette_r, palette_w
Memory Area:trvwhiz_io_map
Address RangeLengthFunctionDescription
0x80001Device Writeaysnd, ay8910_device, address_w
0x81001Device Writeaysnd, ay8910_device, data_w
 

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
0x0000-0x1FFF8192chr2_u39.u39CRC(f9613e7b),Shows: (Fluke: A5C5)
0x2000-0x3FFF8192chr2_u38.u38CRC(7af28902),MFG FOR: (Fluke: 4B8D)
0x4000-0x5FFF8192chr2_u37.u37CRC(ea6f0c59),EEI-CVS International (Fluke: CEA4)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192chr2_u40.u40CRC(40c94dce) (Fluke: 18A6)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192e4a1_u5.u5CRC(bd77f8dc),Internal designation: E4A1REV0
0x2000-0x3FFF8192e4a1_u6.u6CRC(e5219c9a),Games included in this set are:
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