Gtkwave

gtkwave is a waveform visualisation tool

Install / config

Change fonts

Via commandline

gtkwave --rcvar 'fontname_signals Monospace 10' --rcvar 'fontname_waves Monospace 10' data.vcd save.gtkw
# On Windows - MinGW64:
gtkwave --rcvar 'fontname_signals Arial 10' --rcvar 'fontname_waves Arial 10' data.vcd save.gtkw

Via file

• On Linux: ~/.gtkwaverc
• On Windows: /c/Users/USERNAME/gtkwave.ini
• On Linux / Windows: ./gtkwave.ini

fontname_signals Monospace 10
fontname_waves Monospace 10

Keyboard tips

Go to time

• F1 to open the window.

Set up marker

• Alt-M to open marker window.
• Tab or Down / Up to navigate between fields
• For OK, Ctrl-Tab then Return!

Note that closing the window will discard the changes :-(

Also, the marked time MUST BE VISIBLE otherwise it will be ignored. As a result, first do a Go to time.