This is syntax highlighting in for the Intel Hex record format in Sublime Text 3.
Here is an image of what it looks like with some assembly code.
To install on your own, first download a copy of the whole package. Then in Sublime Text, go to Preferences then Browse Packages. Copy the entier package into the User directory.
You will need PackageDev to convert
the YAML file to XML. You can send pull requests via GitHub. Do not edit the
intel- hex.tmLanguage
file directly. Edit the intel-hex.YAML-tmLanguage
file
and build the .tmLanguage
file from it using the Convert (JSON, YAML, PList) to...
tool in PackageDev.