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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.
The Pit Boss (Merit, 1983)
Memory Area:pitboss_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x67FF2048RAM
0xA000-0xA0034Device Read/Writeppi8255_0, i8255_device, read, write
0x0001P1/P2 Button 1Active Low
0x0002P1/P2 Button 2Active Low
0x0004P1/P2 Button 3Active Low
0x0008P1/P2 Button 4Active Low
0x0010P1/P2 Button 5Active Low
0x0020P1/P2 PlayActive Low
0x0040P1/P2 CancelActive Low
0x0080UnknownActive High
0xC000-0xC0034Device Read/Writeppi8255_1, i8255_device, read, write
0x0001Coin_AActive High
0x00002C_1CActive High
0x00011C_1CActive High
0x0002UnknownActive High
0x0002OffActive High
0x0000OnActive High
0x0004UnknownActive High
0x0004OffActive High
0x0000OnActive High
0x0008OnceActive High
0x0000TwiceActive High
0x0010UnknownActive High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0020OffActive High
0x0000OnActive High
0x0040CabinetActive High
0x0040Counter TopActive High
0x0000CocktailActive High
0x0080100,000+ & 200,000+Active High
0x0000NoneActive High
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
0x0000-0x1FFF8192chr7_u39.u39CRC(6662f607),Shows: (Fluke: 2E89)
0x0000-0x1FFF8192chr7_u39.u39CRC(6662f607),Shows: (Fluke: 2E89)
0x0000-0x1FFF8192chr7_u39.u39CRC(6662f607),Shows: (Fluke: 2E89)
0x0000-0x1FFF8192chr7_u39.u39CRC(6662f607),Shows: (Fluke: 2E89)
0x2000-0x3FFF8192chr7_u38.u38CRC(a014b44f),(c) 1983 Merit industries (Fluke: 3550)
0x2000-0x3FFF8192chr7_u38.u38CRC(a014b44f),(c) 1983 Merit industries (Fluke: 3550)
0x2000-0x3FFF8192chr7_u38.u38CRC(a014b44f),(c) 1983 Merit industries (Fluke: 3550)
0x2000-0x3FFF8192chr7_u38.u38CRC(a014b44f),(c) 1983 Merit industries (Fluke: 3550)
0x4000-0x5FFF8192chr7_u37.u37CRC(cb12e139) (Fluke: 1047)
0x4000-0x5FFF8192chr7_u37.u37CRC(cb12e139) (Fluke: 1047)
0x4000-0x5FFF8192chr7_u37.u37CRC(cb12e139) (Fluke: 1047)
0x4000-0x5FFF8192chr7_u37.u37CRC(cb12e139) (Fluke: 1047)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192chr7_u40a.u40CRC(db62c5ec) (Fluke: 0FD6)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922214-04_u5-0.u5CRC(10b782e7),Games included in this set are: (Fluke: D188)
0x6000-0x9FFF163842214-04_u7-0.u7CRC(c5cf7060),27128 eprom (Fluke: 872A)
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