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author | SergeyDegtyar <sndegtyar@gmail.com> | 2019-08-27 18:28:05 +0300 |
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committer | SergeyDegtyar <sndegtyar@gmail.com> | 2019-08-27 18:28:05 +0300 |
commit | 980830f7b82f2a974f43580f61e917f99fbb4e7e (patch) | |
tree | ef4b9cfe86945794171527976315924faf99e157 /tests/ecp5/mux.v | |
parent | 134d3fea909bae02f4f814e3d649658502b44b73 (diff) | |
download | yosys-980830f7b82f2a974f43580f61e917f99fbb4e7e.tar.gz yosys-980830f7b82f2a974f43580f61e917f99fbb4e7e.tar.bz2 yosys-980830f7b82f2a974f43580f61e917f99fbb4e7e.zip |
Revert "Add tests for ecp5 architecture."
This reverts commit 134d3fea909bae02f4f814e3d649658502b44b73.
Diffstat (limited to 'tests/ecp5/mux.v')
-rw-r--r-- | tests/ecp5/mux.v | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/tests/ecp5/mux.v b/tests/ecp5/mux.v deleted file mode 100644 index 0814b733e..000000000 --- a/tests/ecp5/mux.v +++ /dev/null @@ -1,100 +0,0 @@ -module mux2 (S,A,B,Y); - input S; - input A,B; - output reg Y; - - always @(*) - Y = (S)? B : A; -endmodule - -module mux4 ( S, D, Y ); - -input[1:0] S; -input[3:0] D; -output Y; - -reg Y; -wire[1:0] S; -wire[3:0] D; - -always @* -begin - case( S ) - 0 : Y = D[0]; - 1 : Y = D[1]; - 2 : Y = D[2]; - 3 : Y = D[3]; - endcase -end - -endmodule - -module mux8 ( S, D, Y ); - -input[2:0] S; -input[7:0] D; -output Y; - -reg Y; -wire[2:0] S; -wire[7:0] D; - -always @* -begin - case( S ) - 0 : Y = D[0]; - 1 : Y = D[1]; - 2 : Y = D[2]; - 3 : Y = D[3]; - 4 : Y = D[4]; - 5 : Y = D[5]; - 6 : Y = D[6]; - 7 : Y = D[7]; - endcase -end - -endmodule - -module mux16 (D, S, Y); - input [15:0] D; - input [3:0] S; - output Y; - -assign Y = D[S]; - -endmodule - - -module top ( -input [3:0] S, -input [15:0] D, -output M2,M4,M8,M16 -); - -mux2 u_mux2 ( - .S (S[0]), - .A (D[0]), - .B (D[1]), - .Y (M2) - ); - - -mux4 u_mux4 ( - .S (S[1:0]), - .D (D[3:0]), - .Y (M4) - ); - -mux8 u_mux8 ( - .S (S[2:0]), - .D (D[7:0]), - .Y (M8) - ); - -mux16 u_mux16 ( - .S (S[3:0]), - .D (D[15:0]), - .Y (M16) - ); - -endmodule |