Yep! A number of people had asked for a vim mode over the years.
You can also use Octo's assembler from the commandline if you wish, although you will need to pair it with a separate emulator for that workflow. Tom Swan has a high-quality emulator suitable for this purpose, for example[0].
The Octo github page links[1] third-party syntax highlighting modes for a wide variety of external text editors. The Sublime mode is the most actively-maintained; if anyone likes using Vim, Emacs, Atom, or so on, you could help out by sprucing up any that are out of date.
You can also use Octo's assembler from the commandline if you wish, although you will need to pair it with a separate emulator for that workflow. Tom Swan has a high-quality emulator suitable for this purpose, for example[0].
The Octo github page links[1] third-party syntax highlighting modes for a wide variety of external text editors. The Sublime mode is the most actively-maintained; if anyone likes using Vim, Emacs, Atom, or so on, you could help out by sprucing up any that are out of date.
[0] https://github.com/TomSwan/mychip8
[1] https://github.com/JohnEarnest/Octo#links