5 enum opcode
  6 {
  7         OP_ADD = 0, // ADD dest, src
  8         OP_SUB,     // SUB dest, src
  9         OP_MUL,     // MUL dest, src
 10         OP_DIV,     // DIV dest, src
 11         OP_NEW,     // NEW dest, type
 12         OP_ASSIGN,     // perform an assign() operation from src to dest, without increasing
 13                        // the number of references to src, but decreasing the number of referenes of dest
 14         OP_ASSIGN_INC, // same as above, but increase the number of references to src
 15         OP_MOV,        // just an 'aliasing' move, not touching any references. useful for moving
 16                        // 'atomic' data, like integers and floats, and moving objects to temporary variables
 17         OP_INCREFS,    // increase the number of references to dest
 18         OP_DECREFS,    // decrease the number of references to dest
 19         OP_COPY,       // copy dest
 20         OP_ASSIGNSUBSC,
 21         OP_ASSIGNSUBSC_INC,
 22         OP_ASSIGNSLICE,
 23         OP_ASSIGNSLICE_INC,
 24         OP_LOADINT,  // dest, src
 25         OP_LOADFLT,  // dest, src
 26         OP_LOADSEQ,  // dest
 27         OP_BEGINSEQ,
 28         OP_ENDSEQ,
 29         OP_CNV, // dest, src
 30         OP_EQ, // dest, src
 31         OP_NE,
 32         OP_LT,
 33         OP_GT,
 34         OP_LE,
 35         OP_GE,
 36         OP_AND,
 37         OP_OR,
 38         OP_XOR,
 39         OP_NOT,
 40         OP_IF,
 41         OP_SEQ_CMP, // dest, src
 42         OP_SEQ_EQ,  // dest, src
 43         OP_SUBSC,   // dest, src
 44         OP_SLICE,   // dest, src
 45         OP_APPEND,  // dest, src
 46         OP_PREPEND, // dest, src
 47         OP_RETURN,
 48         OP_NOP
 49 };