File list (Check if you may need any files):
AT89C51SND1_MP3\MP3\adc_drv.lst
...............\...\adc_drv.obj
...............\...\aud_drv.lst
...............\...\aud_drv.obj
...............\...\CHANGES.txt
...............\...\clock.lst
...............\...\clock.obj
...............\...\clock.__i
...............\...\config.h
...............\...\dac_drv.lst
...............\...\dac_drv.obj
...............\...\disp.lst
...............\...\disp.obj
...............\...\disp.__i
...............\...\disp_task.lst
...............\...\disp_task.obj
...............\...\disp_task.__i
...............\...\.oc\refd-l3mode.pdf
...............\...\...\refd-user_s-guide.pdf
...............\...\fat.lst
...............\...\fat.obj
...............\...\fat.__i
...............\...\file.lst
...............\...\file.obj
...............\...\file.__i
...............\...\INSTALL.txt
...............\...\isp.a51
...............\...\isp.LST
...............\...\isp.OBJ
...............\...\isp._ia
...............\...\isp.__i
...............\...\kbd_drv.lst
...............\...\kbd_drv.obj
...............\...\kbd_task.lst
...............\...\kbd_task.obj
...............\...\kbd_task.__i
...............\...\led_task.lst
...............\...\led_task.obj
...............\...\led_task.__i
...............\...\.ib_board\dac\dac_drv.c
...............\...\.........\...\dac_drv.h
...............\...\.........\refd.h
...............\...\....mcu\adc\adc_drv.c
...............\...\.......\...\adc_drv.h
...............\...\.......\.ud\aud_drv.c
...............\...\.......\...\aud_drv.h
...............\...\.......\c51_drv.h
...............\...\.......\.lock\clock.c
...............\...\.......\.....\clock.h
...............\...\.......\compiler.h
...............\...\.......\extsnd1.h
...............\...\.......\i2c\i2c_lib.c
...............\...\.......\...\i2c_lib.h
...............\...\.......\kbd\kbd_drv.c
...............\...\.......\...\kbd_drv.h
...............\...\.......\mmc\mmc_drv.c
...............\...\.......\...\mmc_drv.h
...............\...\.......\.p3\mp3_drv.c
...............\...\.......\...\mp3_drv.h
...............\...\.......\pll\pll_drv.h
...............\...\.......\regsnd1.h
...............\...\.......\spi\spi_drv.c
...............\...\.......\...\spi_drv.h
...............\...\.......\timer\timer_drv.c
...............\...\.......\.....\timer_drv.h
...............\...\.......\usb\usb_drv.c
...............\...\.......\...\usb_drv.h
...............\...\.......\wdt\wdt_drv.h
...............\...\.....em\nf\nf.c
...............\...\.......\..\nf.h
...............\...\.......\..\nf_drv.c
...............\...\.......\..\nf_drv.h
...............\...\.......\..\nf_drv_load.a51
...............\...\....storage\sbc.h
...............\...\...........\sbc.lib
...............\...\...........\sbc_nf.lib
...............\...\LICENSE.txt
...............\...\main.c
...............\...\main.LST
...............\...\main.OBJ
...............\...\mem_task.lst
...............\...\mem_task.obj
...............\...\mem_task.__i
...............\...\mode_task.lst
...............\...\mode_task.obj
...............\...\mode_task.__i
...............\...\...ules\display\disp.c
...............\...\.......\.......\disp.h
...............\...\.......\.......\disp_task.c
...............\...\.......\.......\disp_task.h
...............\...\.......\.......\led.h
...............\...\.......\.......\led_task.c
...............\...\.......\.......\led_task.h
...............\...\.......\file\fat.c
...............\...\.......\....\fat.h
...............\...\.......\....\file.c
...............\...\.......\....\file.h
...............\...\.......\....\wav.h
...............\...\.......\kbd\kbd_task.c
...............\...\.......\...\kbd_task.h