diff options
Diffstat (limited to 'fpga/usrp2/sdr_lib/add2_and_round.v')
| -rw-r--r-- | fpga/usrp2/sdr_lib/add2_and_round.v | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fpga/usrp2/sdr_lib/add2_and_round.v b/fpga/usrp2/sdr_lib/add2_and_round.v new file mode 100644 index 000000000..146af28da --- /dev/null +++ b/fpga/usrp2/sdr_lib/add2_and_round.v @@ -0,0 +1,11 @@ + +module add2_and_round + #(parameter WIDTH=16) + (input [WIDTH-1:0] in1, + input [WIDTH-1:0] in2, + output [WIDTH-1:0] sum); + + wire [WIDTH:0] sum_int = {in1[WIDTH-1],in1} + {in2[WIDTH-1],in2}; + assign sum = sum_int[WIDTH:1] + (sum_int[WIDTH] & sum_int[0]); + +endmodule // add2_and_round |