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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.
Winners Circle (Corona Co, LTD., 1981)
Memory Area:winner81_cpu_io_map
Address RangeLengthFunctionDescription
0x00701Writeblitter_x_w
0x00711Writeblitter_unk_w
0x00721Writeblitter_trig_wdht_w
0x00741Writeblitter_y_w
0x00751Readblitter_status_r
0x00761Writeblitter_aux_w
0x00D81Write NOP(/* dunno, but is writing 0's very often */)
0x00DF1Writesound_latch_w
0x00E81Read PortIN0 (/* credits for players A, B, C, D */)
0x0001Player 2 - Coin 1Active Low
0x0002Player 1 - Coin 1Active Low
0x0004Player 4 - Coin 1Active Low
0x0008Player 3 - Coin 1Active Low
0x0010Player 2 - Coin 2Active Low
0x0020Player 1 - Coin 2Active Low
0x0040Player 4 - Coin 2Active Low
0x0080Player 3 - Coin 2Active Low
0x00E91Read PortIN3
0x0001IN3-1Active Low
0x0002IN3-2Active Low
0x0004IN3-3Active Low
0x0008IN3-4Active Low
0x0010Player 2 - Credits OutActive Low
0x0020Player 1 - Credits OutActive Low
0x0040Player 4 - Credits OutActive Low
0x0080Player 3 - Credits OutActive Low
0x00EA1Read PortIN1 (/* left & right for all players */)
0x0001Player 2 - RightActive Low
0x0002Player 1 - RightActive Low
0x0004Player 4 - RightActive Low
0x0008Player 3 - RightActive Low
0x0010Player 2 - LeftActive Low
0x0020Player 1 - LeftActive Low
0x0040Player 4 - LeftActive Low
0x0080Player 3 - LeftActive Low
0x00EB1Read PortIN2 (/* bet for all players */)
0x0001Player 2 - BetActive Low
0x0002Player 1 - BetActive Low
0x0004Player 4 - BetActive Low
0x0008Player 3 - BetActive Low
0x0010IN2-5Active Low
0x0020IN2-6Active Low
0x0040IN2-7Active Low
0x0080IN2-8Active Low
0x00EC1Read PortIN4
0x0001IN4-1Active Low
0x0002IN4-2Active Low
0x0004IN4-3Active Low
0x0008IN4-4Active Low
0x0010IN4-5Active Low
0x0020IN4-6Active Low
0x0040IN4-7Active Low
0x0080IN4-8Active Low
0x00ED1Read PortDSW1 (/* DIP switches bank 1 */)
0x0000x1Active High
0x0001x2Active High
0x0002x5Active High
0x0003x10Active 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
0x00EE1Read PortDSW2
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
0x00EF1Writewc_meters_w (/* meters: coin1 = bit0, coin2 = bit1, coinout = bit2 */)
Memory Area:winner81_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x8000-0x8FFF4096RAM, Sharednvram
0xB800-0xB8FF256RAM(// copied from 8000 (0x10 bytes, repeated))
Memory Area:winner81_sound_cpu_io_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeaysnd, ay8910_device, address_data_w
0x00001Readsound_latch_r
Memory Area:winner81_sound_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM
0x8000-0x83FF1024RAM
 

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
0x0000-0x0FFF40961_2732_c61e.binCRC(841cdbd1)
0x1000-0x1FFF40962_2732_eafa.binCRC(216f71d2)
0x2000-0x2FFF40963_2732_121e.binCRC(b5849762)
0x3000-0x3FFF40964_2732_80e0.binCRC(13d0d2a6)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32corona_82s123.binCRC(051e5edc)
0x0000-0x001F32corona_82s123.binCRC(051e5edc)
0x0000-0x001F32corona_82s123.binCRC(051e5edc)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048son_2716_4070.binCRC(547068a8)
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