(byte) @constant

[
  (address)
  (hexadecimal)
  (integer)
] @number

(identifier) @variable

(bad_instruction) @text.warning
(code_location (identifier) @function.call)
(comment) @comment
(instruction) @function
(memory_dump) @string

["<" ">"] @punctuation.special
["+" ":"] @punctuation.delimiter