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Byte information

Posted on 2006-03-28
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Last Modified: 2010-04-23
Dear Sirs,

I have read a single byte from a serial port and the value is &H89

This byte contains two bits of information (the first four bits contain the first part the last four bits contain the other value)  How can I seperate these two pieces of data from this single byte?

Many thanks
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Question by:watersidedesigns
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ElrondCT earned 2000 total points
ID: 16310739
If the byte is stored in a string variable:

dim strInput as String
dim intInput as Integer
dim intHigh as Integer
dim intLow as Integer
' load strInput here
intInput = Asc(txtIn.Text)
intHigh = intInput \ 16        ' Upper 4 bits
intLow = intInput And 15    ' Lower 4 bits

Note the use of \ rather than / for division; you want integer division, dropping the remainder.
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by:ElrondCT
ID: 16310748
Grr, replace txtIn.Text with strInput. I was copying from my test code and forgot to adjust that. Sorry!
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Author Comment

by:watersidedesigns
ID: 16381661
Hi ElrondCT,

Thats most helpful - thanks.
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