This is the tool set for embeded software development when dealing with registers.
The python version should be high enough. Mine is > 3.11. You can try with your own version.
The libraries should be installed to make it work: pip3 install -r requirements.txt.
python3 reg.py --help
An example can be: python3 reg.py r 0x786789 -f "30,[27:18]=0x87,7:8=0x3" -f 3:2=3 -f 0 -s