diff --git a/lib/lpp/lpp_dma/lpp_dma_apbreg.vhd b/lib/lpp/lpp_dma/lpp_dma_apbreg.vhd
--- a/lib/lpp/lpp_dma/lpp_dma_apbreg.vhd
+++ b/lib/lpp/lpp_dma/lpp_dma_apbreg.vhd
@@ -189,7 +189,20 @@ BEGIN  -- beh
     END IF;
   END PROCESS lpp_dma_apbreg;
 
-  apbo.pirq    <= (OTHERS => '0');
+  apbo.pirq    <= (reg.config_active_interruption_onNewMatrix AND (ready_matrix_f0_0 OR
+                                                                   ready_matrix_f0_1 OR
+                                                                   ready_matrix_f1   OR
+                                                                   ready_matrix_f2)
+                   )
+                  OR
+                  (reg.config_active_interruption_onError AND (error_anticipating_empty_fifo OR
+                                                               error_bad_component_error)
+                   );
+
+
+
+
+  
   apbo.pindex  <= pindex;
   apbo.pconfig <= pconfig;
   apbo.prdata  <= prdata;