File list (Check if you may need any files):
digital_demo\column_scan_module.v
............\column_scan_sig.v
............\db\digital_demo.db_info
............\..\digital_demo.sld_design_entry.sci
............\detect.v
............\digital_demo.qpf
............\digital_demo.qsf
............\digital_demo.v
............\digital_demo.v.bak
............\number_mod_module.v
............\row_scan_module.v
............\row_scan_sig.v
............\row_scan_sig.v.bak
............\smg_encoder_module.v
............\db
digital_demo