diff options
| -rw-r--r-- | techlibs/common/simlib.v | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index 034244ca6..f3d652f0e 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -55,6 +55,28 @@ endmodule // -------------------------------------------------------- +module \$bu0 (A, Y); + +parameter A_SIGNED = 0; +parameter A_WIDTH = 0; +parameter Y_WIDTH = 0; + +`INPUT_A +output [Y_WIDTH-1:0] Y; + +generate + if (!A_SIGNED && 0 < A_WIDTH && A_WIDTH < Y_WIDTH) begin:A + assign Y[A_WIDTH-1:0] = A_BUF.val; + assign Y[Y_WIDTH-1:A_WIDTH] = 0; + end else begin:B + assign Y = +A_BUF.val; + end +endgenerate + +endmodule + +// -------------------------------------------------------- + module \$pos (A, Y); parameter A_SIGNED = 0; |