~ruther/verilog-riscv-semestral-project

ref: af6386a7cb0eb3b58cd754956dca300d416cbcde verilog-riscv-semestral-project/src d---------
feat: add program counter
feat: add program memory
fix: alu arithmetical shift

Has to have signed as arguments
feat(decoder): implement memory mask, conditional jumps
refactor: parametrize register file
chore: move default case
fix: make rd1, rd2 in register_file regs
feat: add instruction decoder
chore: formatting
feat: add basic ram, alu, and register file
Do not follow this link