--- linuxsampler/trunk/src/scriptvm/CoreVMFunctions.cpp	2015/03/31 17:46:11	2727
+++ linuxsampler/trunk/src/scriptvm/CoreVMFunctions.cpp	2016/07/18 09:42:28	2965
@@ -142,4 +142,50 @@
     return successResult( args->arg(0)->asIntArray()->arraySize() );
 }
 
+///////////////////////////////////////////////////////////////////////////
+// built-in script function:  inc()
+
+VMFnResult* CoreVMFunction_inc::exec(VMFnArgs* args) {
+    VMExpr* arg = args->arg(0);
+    VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg);
+    VMVariable* out = dynamic_cast<VMVariable*>(arg);
+    if (!in || !out) successResult(0);
+    int i = in->evalInt() + 1;
+    IntLiteral tmp(i);
+    out->assignExpr(&tmp);
+    return successResult(i);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// built-in script function:  dec()
+
+VMFnResult* CoreVMFunction_dec::exec(VMFnArgs* args) {
+    VMExpr* arg = args->arg(0);
+    VMIntExpr* in = dynamic_cast<VMIntExpr*>(arg);
+    VMVariable* out = dynamic_cast<VMVariable*>(arg);
+    if (!in || !out) successResult(0);
+    int i = in->evalInt() - 1;
+    IntLiteral tmp(i);
+    out->assignExpr(&tmp);
+    return successResult(i);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// built-in script function:  sh_left()
+
+VMFnResult* CoreVMFunction_sh_left::exec(VMFnArgs* args) {
+    int i = args->arg(0)->asInt()->evalInt();
+    int n = args->arg(1)->asInt()->evalInt();
+    return successResult(i << n);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// built-in script function:  sh_right()
+
+VMFnResult* CoreVMFunction_sh_right::exec(VMFnArgs* args) {
+    int i = args->arg(0)->asInt()->evalInt();
+    int n = args->arg(1)->asInt()->evalInt();
+    return successResult(i >> n);
+}
+
 } // namespace LinuxSampler