Single Precision Real; Double Precision Real; Extended Precision Real - Motorola MVME162LX 300 Series Installation And Use Manual

Using The 162Bug Debugger

Single Precision Real

4

Double Precision Real

Extended Precision Real

4-18
This format would appear in memory as:
1-bit sign field
8-bit biased exponent field
23-bit fraction field
A single precision number takes 4 bytes in memory.
This format would appear in memory as:
1-bit sign field
11-bit biased exponent field
52-bit fraction field
A double precision number takes 8 bytes in memory.
Note
The single and double precision formats have an implied
integer bit (always 1).
This format would appear in memory as:
1-bit sign field
15-bit biased exponent field
64-bit mantissa field
An extended precision number takes 10 bytes in memory.
(1 binary digit)
(2 hex digits. Bias = $7F)
(6 hex digits)
(1 binary digit)
(3 hex digits. Bias = $3FF)
(13 hex digits)
(1 binary digit)
(4 hex digits. Bias = $3FFF)
(16 hex digits)
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