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Diffstat (limited to 'info/examples/tip/hex.tip')
-rw-r--r-- | info/examples/tip/hex.tip | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/info/examples/tip/hex.tip b/info/examples/tip/hex.tip new file mode 100644 index 0000000000..0f198cb9fb --- /dev/null +++ b/info/examples/tip/hex.tip @@ -0,0 +1,44 @@ +% This macro source file is from the four volume series +% "TeX in Practice" by Stephan von Bechtolsheim, published +% 1993 by Springer-Verlag, New York. +% Copyright 1993 Stephan von Bechtolsheim. +% No warranty or liability is assumed. +% This macro may be copied freely if no fees other than +% media cost or shipping charges are charged and as long +% as this copyright and the following source code itself +% is not changed. Please see the series for further information. +% +% Version: 1.0 +% Date: May 1, 1993 +% +% +% This source code is documented in 27.1.4.1, p. III-404. +% Original source in file "macros7.TEX", starting line 400. +\wlog{L: "hex.tip" ["macros7.TEX," l. 400, p. III-404]}% +% This file DOES belong to format "texip." +\def\Hex #1{% + {% + \count0 = #1% + \count1 = #1% + \divide\count0 by 16 + \count2 = \count0 + \multiply \count2 by -16 + \advance \count1 by \count2 + \ifnum \count0 > 0 + \Hex{\count0}% + \fi + \HexDigit{\count1}% + }% +} +\def\HexDigit #1{% + {% + \count0 = #1\relax + \ifnum \count0 < 10 + \number\count0 % or \the\count0 + \else + \advance\count0 by -10 + \advance\count0 by `A + \char\count0 + \fi + }% +} |