File list (Check if you may need any files):
xv6-audio-master
................\._.gdbinit.tmpl
................\._Makefile
................\._README
................\.__record
................\._asm.h
................\._audio.c
................\._audio.h
................\._back.wav
................\._bio.c
................\._bootasm.S
................\._bootmain.c
................\._bootother
................\._bootother.S
................\._bootother.out
................\._buf.h
................\._cat.c
................\._console.c
................\._defs.h
................\._dot-bochsrc
................\._echo.c
................\._elf.h
................\._exec.c
................\._fcntl.h
................\._file.c
................\._file.h
................\._forktest.c
................\._fs.c
................\._fs.h
................\._gdbutil
................\._grep.c
................\._ide.c
................\._init.c
................\._initcode
................\._initcode.S
................\._initcode.out
................\._ioapic.c
................\._kalloc.c
................\._kbd.c
................\._kbd.h
................\._kill.c
................\._lapic.c
................\._ln.c
................\._ls.c
................\._main.c
................\._mkdir.c
................\._mkfs.c
................\._mmu.h
................\._mp.c
................\._mp.h
................\._param.h
................\._pci.c
................\._picirq.c
................\._pipe.c
................\._play.c
................\._pr.pl
................\._printf.c
................\._proc.c
................\._proc.h
................\._rm.c
................\._runoff
................\._runoff.list
................\._runoff.spec
................\._runoff1
................\._sh.c
................\._sign.pl
................\._spinlock.c
................\._spinlock.h
................\._stat.h
................\._stressfs.c
................\._string.c
................\._swtch.S
................\._sysaudio.c
................\._syscall.c
................\._syscall.h
................\._sysfile.c
................\._sysproc.c
................\._timer.c
................\._toc.ftr
................\._toc.hdr
................\._trap.c
................\._trapasm.S
................\._traps.h
................\._types.h
................\._uart.c
................\._ulib.c
................\._umalloc.c
................\._user.h
................\._usertests.c
................\._usys.S
................\._vectors.pl
................\._vm.c
................\._wav1.wav
................\._wav2.wav
................\._wav3.wav
................\._wavmake.c
................\._wc.c
................\._x86.h
................\._zombie.c
................\.gdbinit.tmpl