Motorola MVME187 User Manual

Floating Point Support

5-13

This format would appear in memory as:

A single precision number takes 4 bytes in memory. 

This format would appear in memory as:

A double precision number takes 8 bytes in memory. 

The single and double precision formats have an 
implied integer bit (always 1).

1-bit sign Þeld

(1 binary digit)

8-bit biased exponent Þeld (2 hex digits. Bias = $7F)

23-bit fraction Þeld

(6 hex digits)

1-bit sign Þeld

(1 binary digit)

11-bit biased exponent Þeld (3 hex digits. Bias = $3FF)
52-bit fraction Þeld

(13 hex digits)