one_Mhz_clock 656 Bytes
#! /bin/csh -f

cat $1 | sed "s/clock_2                 @DC 1(1) 0(1)/clock_2                 @DC 1(500) 0(500)/" \
       | sed "s/clock_8                 @DC 1(4) 0(4)/clock_8                 @DC 1(2000) 0(2000)/" \
       | sed "s/clock_16                @DC 1(8) 0(8)/clock_16                @DC 1(4000) 0(4000)/" \
       | sed "s/tx_clk                  @C  1(2) 0(2)/tx_clk                  @C  1(1000) 0(1000)/" \
       | sed "s/@S  7/@S  3999/" \
       | sed "s/@S 7 /@S 3999 /" \
       | sed "s/@S 15/@S 7999/" \
       | sed "s/@S 1.99/@S 999/" \
       | sed "s/@E 1/@E 100/" \
       | sed "s/@E 5/@E 100/" \
       >! $1.tmp
mv $1.tmp $1