vhdl2020

Code of vhdl in fall semester 2020

Author	version
Zyyyy -- 1-5 10 12 67 -- 8 12_1 long -- 6 dongdong(dalao) -- 7	1.0

format of .gitignore

!.gitignore
output_files
simulation
incremental_db
*.bak
*.qws
*.qsf
*.qpf