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From: jfreem@uncecs.edu (Joe Freeman)
Newsgroups: comp.sys.next
Subject: Re: Re: Help Needed about DSP C functions...
Summary: from 1.0 to -1.0
Message-ID: <1990Nov17.142031.24527@uncecs.edu>
Date: 17 Nov 90 14:20:31 GMT
References: <26@homer.cs.mcgill.ca> <1990Nov15.184711.336@cs.cmu.edu>
Distribution: usa
Organization: UNC Educational Computing Service
Lines: 17

In article <1990Nov15.184711.336@cs.cmu.edu> Eric.Thayer@cs.cmu.edu (Eric H. Thayer) writes:
>
>In article <26@homer.cs.mcgill.ca> philwzo@quiche.cs.mcgill.ca (Philippe 
>WIECZOREK) writes:
>> I did not manage to write a float number greater than 1.0 on the
>>         DSP... I think it is a problem of representation between C and
>>         DSP. If so, what is the DSP float format ?
>
>Get the 56k User's Manual.  You may find that you will be at a 
>disadvantage if you don't get the DSP56000 UM/AD (User's Manual).   
>Another helpful document from Motorola is:
>
The above sources will help you understand the math.  You will find
the 56000 does 24 bit fixed point math.  The numbers range from -1.0 to
1.0.  

<joe>