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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.
Back Street Soccer (SunA (Unico license), 1996)
Memory Area:bssoccer_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM(// ROM)
0x200000-0x203FFF16384RAM(// RAM)
0x400000-0x4001FF512Read/Writepaletteram_r, paletteram_w (// Banked Palette)
0x400200-0x400FFF3584RAM(//)
0x600000-0x61FFFF131072RAM, Sharedspriteram (// Sprites)
0xA00000-0xA000012Read Port, WriteP1, soundlatch_w (// To Sound CPU)
0xA00002-0xA000032Read Port, WriteP2, flipscreen_w (// Flip Screen)
0xA00004-0xA000052Read Port, WriteP3, bssoccer_leds_w (// Leds)
0xA00006-0xA000072Read Port, Write NOPP4, (// ? IRQ 1 Ack)
0xA00008-0xA000092Read Port, Write NOPDSW1, (// ? IRQ 2 Ack)
0x0007CoinageActive High
0x00004C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00041C_4CActive High
0x00031C_5CActive High
0x0018DifficultyActive High
0x0010EasyActive High
0x0018NormalActive High
0x0008HardActive High
0x0000Hardest?Active High
0x0020Demo_SoundsActive High
0x0000OffActive High
0x0020OnActive High
0x0040Flip_ScreenActive High
0x0040OffActive High
0x0000OnActive High
0x03001:30Active High
0x02001:45Active High
0x01002:00Active High
0x00002:15Active High
0x0c001:30Active High
0x08001:45Active High
0x04002:00Active High
0x00002:15Active High
0x30001:30Active High
0x20001:45Active High
0x10002:00Active High
0x00002:15Active High
0xc0001:30Active High
0x80001:45Active High
0x40002:00Active High
0x00002:15Active High
0xA0000A-0xA0000B2Read PortDSW2
0x0001Distributer UnicoActive High
0x0000All Rights ReservedActive High
0x0002UnknownActive High
0x0002OffActive High
0x0000OnActive High
0x0004UnknownActive High
0x0004OffActive High
0x0000OnActive High
0x0008UnknownActive High
0x0008OffActive High
0x0000OnActive High
0x0010Coin 1Active Low
0x0020Coin 2Active Low
0x0040Coin 3Active Low
0x0080Coin 4Active Low
Memory Area:bssoccer_pcm_1_io_map
Address RangeLengthFunctionDescription
0x00001Device Writeldac, dac_byte_interface, write
0x00001Device Readsoundlatch2, generic_latch_8_device, read (// From The Sound Z80)
0x00011Device Writerdac, dac_byte_interface, write
0x00031Writebssoccer_pcm_1_bankswitch_w (// Rom Bank)
Memory Area:bssoccer_pcm_1_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM(// ROM)
0x1000-0xFFFF61440ROM Bankbank1 (// Banked ROM)
Memory Area:bssoccer_pcm_2_io_map
Address RangeLengthFunctionDescription
0x00001Device Writeldac2, dac_byte_interface, write
0x00001Device Readsoundlatch3, generic_latch_8_device, read (// From The Sound Z80)
0x00011Device Writerdac2, dac_byte_interface, write
0x00031Writebssoccer_pcm_2_bankswitch_w (// Rom Bank)
Memory Area:bssoccer_pcm_2_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM(// ROM)
0x1000-0xFFFF61440ROM Bankbank2 (// Banked ROM)
Memory Area:bssoccer_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(// ROM)
0xF000-0xF7FF2048RAM(// RAM)
0xF800-0xF8012Device Read/Writeymsnd, ym2151_device, read, write (// YM2151)
0xFC001Device Readsoundlatch, generic_latch_8_device, read (// From Main CPU)
0xFD001Device Writesoundlatch2, generic_latch_8_device, write (// To PCM Z80 #1)
0xFE001Device Writesoundlatch3, generic_latch_8_device, write (// To PCM Z80 #2)
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF6553611CRC(df7ae9bc) (Fluke: C788)
Memory Area:pcm1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF52428813CRC(2b273dca) (Fluke: 3EA8)
Memory Area:pcm2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF52428812CRC(6b73b87b) (Fluke: 7EF7)
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