projects / OpenSPARC-T2-DV / blame
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1 | // ========== Copyright Header Begin ========================================== |
| 2 | // | |
| 3 | // OpenSPARC T2 Processor File: niu_scam_lib.v | |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
| 6 | // | |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 8 | // | |
| 9 | // This program is free software; you can redistribute it and/or modify | |
| 10 | // it under the terms of the GNU General Public License as published by | |
| 11 | // the Free Software Foundation; version 2 of the License. | |
| 12 | // | |
| 13 | // This program is distributed in the hope that it will be useful, | |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | // GNU General Public License for more details. | |
| 17 | // | |
| 18 | // You should have received a copy of the GNU General Public License | |
| 19 | // along with this program; if not, write to the Free Software | |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 21 | // | |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license | |
| 23 | // choice is available it will apply instead, Sun elects to use only | |
| 24 | // the General Public License version 2 (GPLv2) at this time for any | |
| 25 | // software where a choice of GPL license versions is made | |
| 26 | // available with the language indicating that GPLv2 or any later version | |
| 27 | // may be used, or where a choice of which version of the GPL is applied is | |
| 28 | // otherwise unspecified. | |
| 29 | // | |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
| 32 | // have any questions. | |
| 33 | // | |
| 34 | // ========== Copyright Header End ============================================ | |
| 35 | ||
| 36 | /********************************************************** | |
| 37 | *********************************************************** | |
| 38 | ||
| 39 | Project : Niu | |
| 40 | ||
| 41 | File name : niu_scam_lib.v | |
| 42 | ||
| 43 | Module(s) name : | |
| 44 | ||
| 45 | Parent modules : niu_scam.v | |
| 46 | ||
| 47 | Child modules : | |
| 48 | ||
| 49 | Author's name : George Chu | |
| 50 | ||
| 51 | Date : April. 2004 | |
| 52 | ||
| 53 | Description : | |
| 54 | ||
| 55 | Synthesis Notes: | |
| 56 | ||
| 57 | Modification History: | |
| 58 | Date Description | |
| 59 | ---- ----------- | |
| 60 | ||
| 61 | ************************************************************ | |
| 62 | ***********************************************************/ | |
| 63 | ||
| 64 | `timescale 1ns/10ps | |
| 65 | ||
| 66 | module niu_scam_cnt_i_r_3 ( incr, rs, ck, qo); | |
| 67 | input incr; | |
| 68 | input rs; | |
| 69 | input ck; | |
| 70 | output [2:0] qo; | |
| 71 | ||
| 72 | reg [2:0] qo; | |
| 73 | ||
| 74 | always @(posedge ck) | |
| 75 | begin | |
| 76 | if (rs) | |
| 77 | qo <= #1 3'h0; | |
| 78 | else if (incr) | |
| 79 | qo <= #1 (qo[2:0] + 3'h1); | |
| 80 | else | |
| 81 | qo <= #1 qo[2:0]; | |
| 82 | end | |
| 83 | ||
| 84 | endmodule | |
| 85 |