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While not terribly expensive to maintain, this does cost me something. If I don't get enough donations to cover that expense, I will be shutting the site down in early 2020.

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Some material is very old and may be incorrect today

© December 1997 Tony Lawrence

Tony Lawrence: showmem script

#!/bin/sh
for i in 10 11 12 13 14 15
do
case $i in
        10) blk=A;;
        11) blk=B;;
        12) blk=C;;
        13) blk=D;;
        14) blk=E;;
        15) blk=F;;
esac
for j in 0 1 2 3  
do
skp=`expr $i \* 4 + $j`
case $j in
        0) echo "       ${blk}0000 contains:";;
        1) echo "       ${blk}4000 contains:";;
        2) echo "       ${blk}8000 contains:";;
        3) echo "       ${blk}C000 contains:";;
esac
dd if=/dev/mem bs=16k skip=$skp count=1 2> /dev/null | hd | sed -n "1,4p" 
done 
done | pg
 

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