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[aprssig] A funny packet story/joke (The KISS guys will get it)

Tad Burnett tburnett at vermontel.net
Wed Nov 9 16:44:19 UTC 2005


I never learned C code but the Intel 8080 was very easy to program
in octal..At one time I could do that without going to the book...
That's when computers were really fun...
Tad N1QAG

Curt, WE7U wrote:

>On Tue, 8 Nov 2005, Tad Burnett wrote:
>
>  
>
>>Then 377 = 255 = FF ???
>>    
>>
>
>Somehow I infer from your question that you already know the answer.
>Yes!
>
>Of course the first one would have to be in octal, the 2nd in
>decimal, and the third in hexadecimal...  Methinks you're just
>trying to confuse everybody.  ;-)  In the above there's no
>indication which number system you're using.
>
>Each one of the above would be 1111 1111 in binary.  Put them in
>groups of three (starting from the right) for octal, which yields
>11 111 111, or 0377 (the leading zero signifies octal in C-code).
>
>Use groups of four for hexadecimal, 1111 1111 or 0xFF (leading "0x"
>signifies hexadecimal in C-code).
>
>Some compilers and assemblers accept "0b" as the prefix for binary,
>so it'd be 0b11111111.
>
>So the proper way to ask the question above would be:
>
>    Then 0377 = 255 = 0xff?
>
>plus it also equals 0b11111111.  Four ways to represent the exact
>same number.  Ain't computers fun?
>
>--
>Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
>"Lotto:    A tax on people who are bad at math." -- unknown
>"Windows:  Microsoft's tax on computer illiterates." -- WE7U
>"The world DOES revolve around me:  I picked the coordinate system!"
>
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>  
>
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