I\'m unable to highlight my assembly.
Like others, I noticed a distinct lack of SPARC syntax highlighting in Sublime Text 2, so I rolled my own. It's fully functional, and has its very own entry in Will Bond's Package Control. With Package Control installed, you can install my package in Sublime via Ctrl+Shift+P -> Package Control: Install Package -> SPARC Assembly Syntax
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Complete install instructions and usage tips are available on the Github project page.