Flip AS* and DS* to OUTPUT when leaving IDLE

src/vme_data_bus.vhd

@@ -387,6 +387,10 @@ begin
                 data_placed <= '1';
               end if;
 
+              -- Prepare to drive strobes
+              vme_as_n_dir <= c_PIN_OUT;
+              vme_ds_n_dir <= c_PIN_OUT;
+              
               n_wait <= c_N_AS_DELAY;
               state <= AS_DELAY;
             end if;