File list (Check if you may need any files):
DE1_synthesizer
...............\adio_codec.v
...............\bar.v
...............\bar_big.v
...............\bar_blank.v
...............\bar_white.v
...............\DE1_Default_qsf.bak
...............\DE1_header.v
...............\DE1_synthesizer.asm.rpt
...............\DE1_synthesizer.cdf
...............\DE1_synthesizer.done
...............\DE1_synthesizer.fit.eqn
...............\DE1_synthesizer.fit.rpt
...............\DE1_synthesizer.fit.smsg
...............\DE1_synthesizer.fit.summary
...............\DE1_synthesizer.flow.rpt
...............\DE1_synthesizer.map.eqn
...............\DE1_synthesizer.map.rpt
...............\DE1_synthesizer.map.summary
...............\DE1_synthesizer.pin
...............\DE1_synthesizer.pof
...............\DE1_synthesizer.qpf
...............\DE1_synthesizer.qsf
...............\DE1_synthesizer.qws
...............\DE1_synthesizer.sof
...............\DE1_synthesizer.tan.rpt
...............\DE1_synthesizer.tan.summary
...............\DE1_synthesizer.v
...............\DE1_synthesizer_assignment_defaults.qdf
...............\demo_sound1.v
...............\demo_sound2.v
...............\demo_sound3.v
...............\demo_sound4.v
...............\I2C_AV_Config.v
...............\I2C_Controller.v
...............\PS2_KEYBOARD.v
...............\SEG7_LUT.v
...............\SEG7_LUT_4.v
...............\staff.v
...............\VGA_Audio_PLL.v
...............\vga_time_generator.v
...............\wave_gen_brass.v
...............\wave_gen_ramp.v
...............\wave_gen_sin.v
...............\wave_gen_square.v
...............\wave_gen_string.v
...............\wave_gen_x2.v