diff --git a/rtl/ip/matmul/matmul_axi_slave.v b/rtl/ip/matmul/matmul_axi_slave.v
index 0bd1eb8..7b574ef 100644
--- a/rtl/ip/matmul/matmul_axi_slave.v
+++ b/rtl/ip/matmul/matmul_axi_slave.v
@@ -352,6 +352,8 @@ module matmul_axi_slave (
                 if (c1_part == 2'd0)      s_axi_rdata = target_c1[31:0];
                 else if (c1_part == 2'd1) s_axi_rdata = target_c1[63:32];
                 else                      s_axi_rdata = {30'b0, target_c1[65:64]};
+                $display("RCH B1_C off=%h elem=%d part=%d data=%h raw=%h",
+                         current_r_offset, c1_elem, c1_part, s_axi_rdata, target_c1);
             end
         end
     end