mirror of https://github.com/YosysHQ/yosys.git
13 lines
363 B
Coq
13 lines
363 B
Coq
|
module SB_LUT4(output O, input I0, I1, I2, I3);
|
||
|
parameter [15:0] INIT = 0;
|
||
|
wire [ 7: 0] s3 = I3 ? INIT[15: 8] : INIT[ 7: 0];
|
||
|
wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0];
|
||
|
wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0];
|
||
|
assign O = I0 ? s1[1] : s1[0];
|
||
|
endmodule
|
||
|
|
||
|
module SB_DFF (output reg Q, input C, D);
|
||
|
always @(posedge C)
|
||
|
Q <= D;
|
||
|
endmodule
|