From 29d52d2a0878647a47bc573a6f10bc3637d99266 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= Date: Tue, 21 Apr 2015 16:09:11 +0200 Subject: Update of modexp to include more of the integration of residue calculator. Update of shl and shr to simplify code. shl and shr could be replaced by functions. --- src/rtl/shr32.v | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'src/rtl/shr32.v') diff --git a/src/rtl/shr32.v b/src/rtl/shr32.v index 840f9df..66b15c3 100644 --- a/src/rtl/shr32.v +++ b/src/rtl/shr32.v @@ -1,8 +1,8 @@ //====================================================================== // // shr32.v -// --------- -// 32bit shifter with carry in / carry out +// ------- +// 32bit right shift with carry in / carry out. // // // Author: Peter Magnusson @@ -36,18 +36,18 @@ // //====================================================================== - module shr32( - input [31 : 0] a, - input carry_in, - output wire [31 : 0] adiv2, - output wire carry_out); + input wire [31 : 0] a, + input wire carry_in, + output wire [31 : 0] adiv2, + output wire carry_out + ); - reg [32 : 0] shr_result; + assign adiv2 = {carry_in, a[31 : 1]}; + assign carry_out = a[0]; - assign adiv2 = shr_result[32:1]; - assign carry_out = shr_result[0]; +endmodule // shr32 - always @(a, carry_in) - shr_result = { carry_in, a }; -endmodule +//====================================================================== +// EOF shr32.v +//====================================================================== -- cgit v1.2.3