by TWLambe (3 Submissions)
Category: Miscellaneous
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Tue 25th May 2004
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Reverse a character's bit pattern.
VBcoders
'----------------------------------------------------
' Function: ReverseBits
' Author: TWLambe
' Date: 25-May-2004
' Description:
' ------------
' Returns a character whose bit pattern is the
' reverse of the bit pattern of a supplied
' character.
'
' (Will only process the 1st. character if > 1
' character is supplied).
'----------------------------------------------------
Dim w, x, y As Integer
x = Asc(sChar) 'ASCII value of supplied char.
'(or 1st. character if more than 1)
y = 0 'clear accumulated bit result
'mask each bit of ASCII value and
'if set, accumulate result with
For w = 0 To 7 'reversed bit pattern
If (x And (2 ^ w)) Then y = y + (2 ^ (7 - w))
Next w 'repeat for each bit
ReverseBits = Chr(y)
'set function return character,
'whatever it is !
End Function