raq84dec:  it is not working since scalar can hold 32 bit

Thats not exactly true in perl. A scalar is a "scalar type" where the width is bound by the adress range, so it might have a lot of bits ;-)

As bart (Re: left shift problem) already mentioned, just pack two 32bit values together by the pack function:

 ...
 my ($x, $y) = (122, 233);
 my $r = pack "L2", $y, $x;                # pack two DWORDS

 print  $r;                                # will print nothing useful
 print "\n", join "\n", unpack "L*", $r;   # will print dwords
 print "\n", join "\n", unpack "C*", $r;   # will print bytes
 ...

[download]
Choose pack template modifiers which give you the
correct width and the correct byte order for your
specific problem, on Win32, the V and L should do fine

Regards
mwa

In reply to Re: left shift problem by mwah
in thread left shift problem by rag84dec

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.