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|
module IBUF(input I, output O);
assign O = I;
endmodule
module IOBUFE(input I, input E, output O, inout IO);
assign O = IO;
assign IO = E ? I : 1'bz;
endmodule
module ANDTERM(IN, IN_B, OUT);
parameter TRUE_INP = 0;
parameter COMP_INP = 0;
input [TRUE_INP-1:0] IN;
input [COMP_INP-1:0] IN_B;
output reg OUT;
integer i;
always @(*) begin
OUT = 1;
for (i = 0; i < TRUE_INP; i=i+1)
OUT = OUT & IN[i];
for (i = 0; i < COMP_INP; i=i+1)
OUT = OUT & ~IN_B[i];
end
endmodule
module ORTERM(IN, OUT);
parameter WIDTH = 0;
input [WIDTH-1:0] IN;
output reg OUT;
integer i;
always @(*) begin
OUT = 0;
for (i = 0; i < WIDTH; i=i+1) begin
OUT = OUT | IN[i];
end
end
endmodule
module MACROCELL_XOR(IN_PTC, IN_ORTERM, OUT);
parameter INVERT_OUT = 0;
input IN_PTC;
input IN_ORTERM;
output wire OUT;
wire xor_intermed;
assign OUT = INVERT_OUT ? ~xor_intermed : xor_intermed;
assign xor_intermed = IN_ORTERM ^ IN_PTC;
endmodule
module FDCP (C, PRE, CLR, D, Q);
parameter INIT = 0;
input C, PRE, CLR, D;
output reg Q;
initial begin
Q <= INIT;
end
always @(posedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else
Q <= D;
end
endmodule
module FDCP_N (C, PRE, CLR, D, Q);
parameter INIT = 0;
input C, PRE, CLR, D;
output reg Q;
initial begin
Q <= INIT;
end
always @(negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else
Q <= D;
end
endmodule
module LDCP (G, PRE, CLR, D, Q);
parameter INIT = 0;
input G, PRE, CLR, D;
output reg Q;
initial begin
Q <= INIT;
end
always @* begin
if (CLR == 1)
Q <= 0;
else if (G == 1)
Q <= D;
else if (PRE == 1)
Q <= 1;
end
endmodule
module LDCP_N (G, PRE, CLR, D, Q);
parameter INIT = 0;
input G, PRE, CLR, D;
output reg Q;
initial begin
Q <= INIT;
end
always @* begin
if (CLR == 1)
Q <= 0;
else if (G == 0)
Q <= D;
else if (PRE == 1)
Q <= 1;
end
endmodule
module BUFG(I, O);
input I;
output O;
assign O = I;
endmodule
module BUFGSR(I, O);
parameter INVERT = 0;
input I;
output O;
assign O = INVERT ? ~I : I;
endmodule
module BUFGTS(I, O);
parameter INVERT = 0;
input I;
output O;
assign O = INVERT ? ~I : I;
endmodule
module FDDCP (C, PRE, CLR, D, Q);
parameter INIT = 0;
input C, PRE, CLR, D;
output reg Q;
initial begin
Q <= INIT;
end
always @(posedge C, negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else
Q <= D;
end
endmodule
module FTCP (C, PRE, CLR, T, Q);
parameter INIT = 0;
input C, PRE, CLR, T;
output wire Q;
reg Q_;
initial begin
Q_ <= INIT;
end
always @(posedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q_ <= 0;
else if (PRE == 1)
Q_ <= 1;
else if (T == 1)
Q_ <= ~Q_;
end
assign Q = Q_;
endmodule
module FTCP_N (C, PRE, CLR, T, Q);
parameter INIT = 0;
input C, PRE, CLR, T;
output wire Q;
reg Q_;
initial begin
Q_ <= INIT;
end
always @(negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q_ <= 0;
else if (PRE == 1)
Q_ <= 1;
else if (T == 1)
Q_ <= ~Q_;
end
assign Q = Q_;
endmodule
module FTDCP (C, PRE, CLR, T, Q);
parameter INIT = 0;
input C, PRE, CLR, T;
output wire Q;
reg Q_;
initial begin
Q_ <= INIT;
end
always @(posedge C, negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q_ <= 0;
else if (PRE == 1)
Q_ <= 1;
else if (T == 1)
Q_ <= ~Q_;
end
assign Q = Q_;
endmodule
module FDCPE (C, PRE, CLR, D, Q, CE);
parameter INIT = 0;
input C, PRE, CLR, D, CE;
output reg Q;
initial begin
Q <= INIT;
end
always @(posedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else if (CE == 1)
Q <= D;
end
endmodule
module FDCPE_N (C, PRE, CLR, D, Q, CE);
parameter INIT = 0;
input C, PRE, CLR, D, CE;
output reg Q;
initial begin
Q <= INIT;
end
always @(negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else if (CE == 1)
Q <= D;
end
endmodule
module FDDCPE (C, PRE, CLR, D, Q, CE);
parameter INIT = 0;
input C, PRE, CLR, D, CE;
output reg Q;
initial begin
Q <= INIT;
end
always @(posedge C, negedge C, posedge PRE, posedge CLR) begin
if (CLR == 1)
Q <= 0;
else if (PRE == 1)
Q <= 1;
else if (CE == 1)
Q <= D;
end
endmodule
|
