void SystemFunction_WRITELN(Program prg) {
            MemoryManagement fncMemory = new MemoryManagement(prg.memory);
            Variable resultVariable = new ReferenceVariable("result",
                    Type.UNKNOWN);
            ReferenceVariable[] params = new ReferenceVariable[1];
            params[0] = new ReferenceVariable("_str", PrimitiveType.STRING);
            for (Variable param : params) {
                if (fncMemory.variableExists(param, false)) {
                    log("[iSCAR] identifierRedeclared " + param.getIdentifier());
                } else {
                    fncMemory.addVariable(param);
                }
            }

            Function function = new SystemFunction_WRITELN("writeln", null,
                    fncMemory, params, resultVariable);
            if (prg.memory.functionExists(function, true)) {
                log("[iSCAR]  Already declared " + function);
            }
            prg.memory.addFunction(function);
        }
        
        class SystemFunction_WRITELN extends Function {

            /** Creates a new instance of SystemFunction_SIN */
            public SystemFunction_WRITELN(String name, Statement body,
                    MemoryManagement memory, ReferenceVariable[] params,
                    Variable result) {
                super(name, body, memory, params, result);
            }

            public void exec() throws InterpreterRuntimeException {
                log(paramAt(0).stringValue());
            }
        }
        
        void IBOTFunction_MOVEMOUSE(Program prg) {
            MemoryManagement fncMemory = new MemoryManagement(prg.memory);
            Variable resultVariable = new ReferenceVariable("result",
                    Type.UNKNOWN);
            ReferenceVariable[] params = new ReferenceVariable[2];
            params[0] = new ReferenceVariable("_str", PrimitiveType.INTEGER);
            params[1] = new ReferenceVariable("_str2", PrimitiveType.INTEGER);
            for (Variable param : params) {
                if (fncMemory.variableExists(param, false)) {
                    log("[iSCAR] identifierRedeclared " + param.getIdentifier());
                } else {
                    fncMemory.addVariable(param);
                }
            }

            Function function = new IBOTFunction_MOVEMOUSE("movemouse", null,
                    fncMemory, params, resultVariable);
            if (prg.memory.functionExists(function, true)) {
                log("[iSCAR]  Already declared " + function);
            }
            prg.memory.addFunction(function);
        }
        
        class IBOTFunction_MOVEMOUSE extends Function {

            /** Creates a new instance of SystemFunction_SIN */
            public IBOTFunction_MOVEMOUSE(String name, Statement body,
                    MemoryManagement memory, ReferenceVariable[] params,
                    Variable result) {
                super(name, body, memory, params, result);
            }

            public void exec() throws InterpreterRuntimeException {
                try {
                    mouseMove(paramAt(0).intValue(), paramAt(1).intValue());
                } catch (InterruptedException exception) {
                    throw new InterpreterRuntimeException("from IBOT.mouseMove()");
                }
            }
        }