anchor.diff:     : '"' ~ ['"']* '"'
      ;
   
  +
   STRING2
  -   :  '\u0027' ~ ['\u0027']* '\u0027'
  +   : '\u0027' ~ ['\u0027']* '\u0027'
      ;
   
   
  
positive.code: 
  /* not sure what JMPS is */
  opcode
     : OPCODE | 'JMPS'
     ;
  
  comment
  
negative.code:    : ('z' | 'Z')
     ;
  
  
  ORG
     : O R G
     ;
  