vstack.loadLocal(eContext, disp);
    public final void visit_astore(int index) {        int disp = stackFrame.getEbpOffset(index);        RefItem i = vstack.popRef();        //TODO: implement writeMOV_Const(reg, disp, object);        i.load(eContext);//        i.loadIf(eContext, ~Item.CONSTANT);////        if (i.getKind() == Item.CONSTANT) {//             os.writeMOV_Const(FP, disp, i.getValue());//        } else {            os.writeMOV(INTSIZE, FP, disp, i.getRegister());            i.release(eContext);//        }    }