| Line 37... |
Line 37... |
//// You should have received a copy of the GNU Lesser General ////
|
//// You should have received a copy of the GNU Lesser General ////
|
//// Public License along with this source; if not, download it ////
|
//// Public License along with this source; if not, download it ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// from http://www.opencores.org/lgpl.shtml ////
|
//// ////
|
//// ////
|
//////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////
|
|
module vl_mux_andor ( a, sel, dout);
|
|
|
|
parameter width = 32;
|
|
parameter nr_of_ports = 4;
|
|
|
|
input [nr_of_ports*width-1:0] a;
|
|
input [nr_of_ports-1:0] sel;
|
|
output reg [width-1:0] dout;
|
|
|
|
always @ (a, sel)
|
|
begin
|
|
dout = a[width-1:0] & {width{sel[0]}};
|
|
for (i=nr_of_ports-2;i<nr_of_ports;i=i+1)
|
|
dout = (a[i*width-1:(i-1)*width] & {width{sel[i]}}) | dout;
|
|
end
|
|
|
|
endmodule
|
|
|
module vl_mux2_andor ( a1, a0, sel, dout);
|
module vl_mux2_andor ( a1, a0, sel, dout);
|
|
|
parameter width = 32;
|
parameter width = 32;
|
localparam nr_of_ports = 2;
|
localparam nr_of_ports = 2;
|
input [width-1:0] a1, a0;
|
input [width-1:0] a1, a0;
|
input [nr_of_ports-1:0] sel;
|
input [nr_of_ports-1:0] sel;
|
output [width-1:0] dout;
|
output [width-1:0] dout;
|
|
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
vl_mux_andor
|
integer i;
|
# ( .width(width), .nr_of_ports(nr_of_ports)
|
|
mux0( .a({a1,a0}), .sel(sel), .dout(dout));
|
// and
|
/*
|
assign tmp[0] = {width{sel[0]}} & a0;
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
assign tmp[1] = {width{sel[1]}} & a1;
|
integer i;
|
|
|
// or
|
// and
|
assign dout = tmp[1] | tmp[0];
|
assign tmp[0] = {width{sel[0]}} & a0;
|
|
assign tmp[1] = {width{sel[1]}} & a1;
|
|
|
|
// or
|
|
assign dout = tmp[1] | tmp[0];
|
|
*/
|
endmodule
|
endmodule
|
|
|
module vl_mux3_andor ( a2, a1, a0, sel, dout);
|
module vl_mux3_andor ( a2, a1, a0, sel, dout);
|
|
|
parameter width = 32;
|
parameter width = 32;
|
localparam nr_of_ports = 3;
|
localparam nr_of_ports = 3;
|
input [width-1:0] a2, a1, a0;
|
input [width-1:0] a2, a1, a0;
|
input [nr_of_ports-1:0] sel;
|
input [nr_of_ports-1:0] sel;
|
output [width-1:0] dout;
|
output [width-1:0] dout;
|
|
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
vl_mux_andor
|
integer i;
|
# ( .width(width), .nr_of_ports(nr_of_ports)
|
|
mux0( .a({a2,a1,a0}), .sel(sel), .dout(dout));
|
// and
|
/*
|
assign tmp[0] = {width{sel[0]}} & a0;
|
|
assign tmp[1] = {width{sel[1]}} & a1;
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
assign tmp[2] = {width{sel[2]}} & a2;
|
integer i;
|
|
|
// or
|
// and
|
assign dout = tmp[2] | tmp[1] | tmp[0];
|
assign tmp[0] = {width{sel[0]}} & a0;
|
|
assign tmp[1] = {width{sel[1]}} & a1;
|
|
assign tmp[2] = {width{sel[2]}} & a2;
|
|
|
|
// or
|
|
assign dout = tmp[2] | tmp[1] | tmp[0];
|
|
*/
|
endmodule
|
endmodule
|
|
|
module vl_mux4_andor ( a3, a2, a1, a0, sel, dout);
|
module vl_mux4_andor ( a3, a2, a1, a0, sel, dout);
|
|
|
parameter width = 32;
|
parameter width = 32;
|
localparam nr_of_ports = 4;
|
localparam nr_of_ports = 4;
|
input [width-1:0] a3, a2, a1, a0;
|
input [width-1:0] a3, a2, a1, a0;
|
input [nr_of_ports-1:0] sel;
|
input [nr_of_ports-1:0] sel;
|
output [width-1:0] dout;
|
output [width-1:0] dout;
|
|
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
vl_mux_andor
|
integer i;
|
# ( .width(width), .nr_of_ports(nr_of_ports)
|
|
mux0( .a({a3,a2,a1,a0}), .sel(sel), .dout(dout));
|
// and
|
/*
|
assign tmp[0] = {width{sel[0]}} & a0;
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
assign tmp[1] = {width{sel[1]}} & a1;
|
integer i;
|
assign tmp[2] = {width{sel[2]}} & a2;
|
|
assign tmp[3] = {width{sel[3]}} & a3;
|
// and
|
|
assign tmp[0] = {width{sel[0]}} & a0;
|
// or
|
assign tmp[1] = {width{sel[1]}} & a1;
|
assign dout = tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
assign tmp[2] = {width{sel[2]}} & a2;
|
|
assign tmp[3] = {width{sel[3]}} & a3;
|
|
|
|
// or
|
|
assign dout = tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
|
*/
|
endmodule
|
endmodule
|
|
|
module vl_mux5_andor ( a4, a3, a2, a1, a0, sel, dout);
|
module vl_mux5_andor ( a4, a3, a2, a1, a0, sel, dout);
|
|
|
parameter width = 32;
|
parameter width = 32;
|
localparam nr_of_ports = 5;
|
localparam nr_of_ports = 5;
|
input [width-1:0] a4, a3, a2, a1, a0;
|
input [width-1:0] a4, a3, a2, a1, a0;
|
input [nr_of_ports-1:0] sel;
|
input [nr_of_ports-1:0] sel;
|
output [width-1:0] dout;
|
output [width-1:0] dout;
|
|
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
vl_mux_andor
|
integer i;
|
# ( .width(width), .nr_of_ports(nr_of_ports)
|
|
mux0( .a({a4,a3,a2,a1,a0}), .sel(sel), .dout(dout));
|
// and
|
/*
|
assign tmp[0] = {width{sel[0]}} & a0;
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
assign tmp[1] = {width{sel[1]}} & a1;
|
integer i;
|
assign tmp[2] = {width{sel[2]}} & a2;
|
|
assign tmp[3] = {width{sel[3]}} & a3;
|
// and
|
assign tmp[4] = {width{sel[4]}} & a4;
|
assign tmp[0] = {width{sel[0]}} & a0;
|
|
assign tmp[1] = {width{sel[1]}} & a1;
|
// or
|
assign tmp[2] = {width{sel[2]}} & a2;
|
assign dout = tmp[4] | tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
assign tmp[3] = {width{sel[3]}} & a3;
|
|
assign tmp[4] = {width{sel[4]}} & a4;
|
|
|
|
// or
|
|
assign dout = tmp[4] | tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
|
*/
|
endmodule
|
endmodule
|
|
|
module vl_mux6_andor ( a5, a4, a3, a2, a1, a0, sel, dout);
|
module vl_mux6_andor ( a5, a4, a3, a2, a1, a0, sel, dout);
|
|
|
parameter width = 32;
|
parameter width = 32;
|
localparam nr_of_ports = 6;
|
localparam nr_of_ports = 6;
|
input [width-1:0] a5, a4, a3, a2, a1, a0;
|
input [width-1:0] a5, a4, a3, a2, a1, a0;
|
input [nr_of_ports-1:0] sel;
|
input [nr_of_ports-1:0] sel;
|
output [width-1:0] dout;
|
output [width-1:0] dout;
|
|
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
vl_mux_andor
|
integer i;
|
# ( .width(width), .nr_of_ports(nr_of_ports)
|
|
mux0( .a({a5,a4,a3,a2,a1,a0}), .sel(sel), .dout(dout));
|
// and
|
/*
|
assign tmp[0] = {width{sel[0]}} & a0;
|
wire [width-1:0] tmp [nr_of_ports-1:0];
|
assign tmp[1] = {width{sel[1]}} & a1;
|
integer i;
|
assign tmp[2] = {width{sel[2]}} & a2;
|
|
assign tmp[3] = {width{sel[3]}} & a3;
|
// and
|
assign tmp[4] = {width{sel[4]}} & a4;
|
assign tmp[0] = {width{sel[0]}} & a0;
|
assign tmp[5] = {width{sel[5]}} & a5;
|
assign tmp[1] = {width{sel[1]}} & a1;
|
|
assign tmp[2] = {width{sel[2]}} & a2;
|
// or
|
assign tmp[3] = {width{sel[3]}} & a3;
|
assign dout = tmp[5] | tmp[4] | tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
assign tmp[4] = {width{sel[4]}} & a4;
|
|
assign tmp[5] = {width{sel[5]}} & a5;
|
|
|
|
// or
|
|
assign dout = tmp[5] | tmp[4] | tmp[3] | tmp[2] | tmp[1] | tmp[0];
|
|
*/
|
endmodule
|
endmodule
|
|
|
No newline at end of file
|
No newline at end of file
|
