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用ＭＡＴＬＡＢ产生各种时钟信号

# Reading D:/Modeltech_5.8b/tcl/vsim/pref.tcl 
# //  ModelSim SE 5.8b Jan 01 2004 
# //
# //  Copyright Model Technology, a Mentor Graphics Corporation company, 2004
# //                         All Rights Reserved.
# //                   UNPUBLISHED, LICENSED SOFTWARE.
# //         CONFIDENTIAL AND PROPRIETARY INFORMATION WHICH IS THE
# //        PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS.
# //
#  OpenFile "E:/Test/clkgen/clk_gen.v" 
vsim work.top
# vsim work.top 
# Loading D:\Modeltech_5.8b\win32/novas.dll
# Loading work.top
# Loading work.clk_div
# ** Warning: (vsim-3009) [TSCALE] - Module 'clk_div' does not have a `timescale directive in effect, but previous modules do.
#         Region: /top/clk_div
run -all
# Debussy Release 5.3v9 (Win95/NT) ModelSim - 09/16/2003 compile
# *Debussy* Create FSDB file 'top.fsdb'
# *Debussy* Start dumping the scope(top), layer(0).
# *Debussy* End of dumping.
# ** Warning: $fsdbDumpfile - One FSDB file has already opened for dumping.
#     : E:/Test/clkgen/test.v(27)
#    Time: 0 ps  Iteration: 0  Instance: /top
# ** Note: $finish    : E:/Test/clkgen/test.v(15)
#    Time: 1001 us  Iteration: 0  Instance: /top