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Netware Super Library
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Netware Super Library.iso
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mis_util
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scrub0
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scrub0.pas
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Pascal/Delphi Source File
|
1989-03-26
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1KB
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38 lines
{ Utility to scrub the extra nybble from the 36-bit SIMTEL20 word. }
program scrub_zeros;
var infile : file;
outfile : file;
buf : array[1..9] of byte;
in_count : word;
out_count : word;
p : integer;
begin
if (ParamStr(1)='') or (ParamStr(2)='')
then writeln('Command : Scrub0 <input.fil> <output.fil>')
else
begin
assign(infile,ParamStr(1));
reset(infile,1);
assign(outfile,ParamStr(2));
rewrite(outfile,1);
blockread(infile,buf,9,in_count);
while in_count=9 do
begin
for p:=5 to 8 do
begin
buf[p]:= ((buf[p] shl 4) and $F0)
or ((buf[p+1] shr 4) and $0F);
end;
blockwrite(outfile,buf,8,out_count);
blockread(infile,buf,9,in_count);
end;
if in_count=5 then blockwrite(outfile,buf,4,out_count);
close(infile);
close(outfile);
end;
end.