www.piclist.com/techref/index.htm?key=microship+24bit

Zero is a special case. It is encoded as a zero biased exponent (eb=0):

00xxxx (xxxx can have any value)

eb=0

e=-127

As your number gets closer and closer to zero, the exponent is getting

smaller and smaller until it reaches e=-127 (or eb=0), which is zero.

There is another special case, which is ignored in Microchip's

routines (according to AN575) when eb=255, which means infinity.

So, the range for exponent can be either -126..128 (ignoring Inf) or

-126..127 (using Inf). But MPLAB displays the case of eb=255 as zero

(at least in version 5.00).

Nikolai

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From: Thomas Robert de Massy <tomasd.....spamAXESS.COM>

Sent: Sunday, March 18, 2001 22:34:20

To: KILLspamPICLISTRemoveMEspamMITVMA.MIT.EDU

Subj: Microship 24bit Floating point format question

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In reply to: <000701c0afea$d15b3f00$0e43a2d8@allo>

See also: www.piclist.com/techref/index.htm?key=microship+24bit