Simple syntax highlighting for RiSC-16 in Sublime Text 3

risc.sublime-syntax

%YAML1.2
---
# See http://www.sublimetext.com/docs/3/syntax.html
file_extensions:
  - risc
scope: source.risc
contexts:
  main:
    - match: 'r[0-9]'
      scope: support.type.risc

    - match: 'addi|add|nand|lui|sw|lw|beq|jalr|jmp|farjmp|bind|lea|codeOffest|movi|nop|data'
      scope: meta.function-call.risc

    - match: 'irq\s+(success|yield)'
      scope: keyword.control.risc

    - match: '\b(-)?[0-9.]+\b|\b(-)?0x[0-9a-fA-F]+\b'
      scope: constant.numeric.risc

    - match: '#'
      scope: punctuation.definition.comment.risc
      push: line_comment

  line_comment:
    - meta_scope: comment.line.risc
    - match: $
      pop: true