language: implement proper virtual machine support

bytecode/src/main/kotlin/gay/pizza/pork/bytecode/Opcode.kt

@@ -33,13 +33,14 @@ enum class Opcode(val id: UByte) {
   ListMake(31u),
   ListSize(32u),
   Integer(33u),
-  Double(34u),
-  Call(35u),
-  EuclideanModulo(36u),
-  Remainder(37u),
-  Index(38u),
-  ScopeIn(39u),
-  ScopeOut(40u),
-  ReturnAddress(41u),
+  Long(34u),
+  Double(35u),
+  Call(36u),
+  EuclideanModulo(37u),
+  Remainder(38u),
+  Index(39u),
+  ScopeIn(40u),
+  ScopeOut(41u),
+  ReturnAddress(42u),
   End(255u),
 }