Remove usrp1 and usrp2 FPGA files. These are now hosted at:

[debian/gnuradio] / usrp / fpga / toplevel / mrfm / shifter.v

diff --git a/usrp/fpga/toplevel/mrfm/shifter.v b/usrp/fpga/toplevel/mrfm/shifter.v
deleted file mode 100644 (file)
index dd4d4b5..0000000
--- a/usrp/fpga/toplevel/mrfm/shifter.v
+++ /dev/null
@@ -1,106 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2005,2006 Matt Ettus
-//
-//  This program is free software; you can redistribute it and/or modify
-//  it under the terms of the GNU General Public License as published by
-//  the Free Software Foundation; either version 2 of the License, or
-//  (at your option) any later version.
-//
-//  This program is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//  GNU General Public License for more details.
-//
-//  You should have received a copy of the GNU General Public License
-//  along with this program; if not, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-
-module shifter(input wire [33:0] in, output wire [15:0] out, input wire [7:0] shift);
-   // Wish we could do  assign out = in[15+shift:shift];
-
-   reg [15:0] quotient, remainder;
-   wire [15:0] out_unclipped;
-   reg [18:0]  msbs;
-   wire        in_range;
-   
-   always @*
-     case(shift)
-       0 : quotient = in[15:0];
-       1 : quotient = in[16:1];
-       2 : quotient = in[17:2];
-       3 : quotient = in[18:3];
-       4 : quotient = in[19:4];
-       5 : quotient = in[20:5];
-       6 : quotient = in[21:6];
-       7 : quotient = in[22:7];
-       8 : quotient = in[23:8];
-       9 : quotient = in[24:9];
-       10 : quotient = in[25:10];
-       11 : quotient = in[26:11];
-       12 : quotient = in[27:12];
-       13 : quotient = in[28:13];
-       14 : quotient = in[29:14];
-       15 : quotient = in[30:15];
-       16 : quotient = in[31:16];
-       17 : quotient = in[32:17];
-       18 : quotient = in[33:18];
-       default : quotient = in[15:0];
-     endcase // case(shift)
-
-   always @*
-     case(shift)
-       0 : remainder = 16'b0;
-       1 : remainder = {in[0],15'b0};
-       2 : remainder = {in[1:0],14'b0};
-       3 : remainder = {in[2:0],13'b0};
-       4 : remainder = {in[3:0],12'b0};
-       5 : remainder = {in[4:0],11'b0};
-       6 : remainder = {in[5:0],10'b0};
-       7 : remainder = {in[6:0],9'b0};
-       8 : remainder = {in[7:0],8'b0};
-       9 : remainder = {in[8:0],7'b0};
-       10 : remainder = {in[9:0],6'b0};
-       11 : remainder = {in[10:0],5'b0};
-       12 : remainder = {in[11:0],4'b0};
-       13 : remainder = {in[12:0],3'b0};
-       14 : remainder = {in[13:0],2'b0};
-       15 : remainder = {in[14:0],1'b0};
-       16 : remainder = in[15:0];
-       17 : remainder = in[16:1];
-       18 : remainder = in[17:2];
-       default : remainder = 16'b0;
-     endcase // case(shift)
-
-   always @*
-     case(shift)
-       0 : msbs = in[33:15];
-       1 : msbs = {in[33],in[33:16]};
-       2 : msbs = {{2{in[33]}},in[33:17]};
-       3 : msbs = {{3{in[33]}},in[33:18]};
-       4 : msbs = {{4{in[33]}},in[33:19]};
-       5 : msbs = {{5{in[33]}},in[33:20]};
-       6 : msbs = {{6{in[33]}},in[33:21]};
-       7 : msbs = {{7{in[33]}},in[33:22]};
-       8 : msbs = {{8{in[33]}},in[33:23]};
-       9 : msbs = {{9{in[33]}},in[33:24]};
-       10 : msbs = {{10{in[33]}},in[33:25]};
-       11 : msbs = {{11{in[33]}},in[33:26]};
-       12 : msbs = {{12{in[33]}},in[33:27]};
-       13 : msbs = {{13{in[33]}},in[33:28]};
-       14 : msbs = {{14{in[33]}},in[33:29]};
-       15 : msbs = {{15{in[33]}},in[33:30]};
-       16 : msbs = {{16{in[33]}},in[33:31]};
-       17 : msbs = {{17{in[33]}},in[33:32]};
-       18 : msbs = {{18{in[33]}},in[33]};
-       default : msbs = in[33:15];
-     endcase // case(shift)
-
-   assign     in_range = &msbs | ~(|msbs);
-   assign     out_unclipped = quotient + (in[33] & |remainder);
-   assign     out = in_range ? out_unclipped : {in[33],{15{~in[33]}}};
-   
-endmodule // shifter