Motorola MVME166IG/D2 用户手册

Using the 166Bug Debugger

4-18

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.  

This format would appear in memory as:

An extended precision number takes 10 bytes in memory.  

1-bit sign field

(1 binary digit)

8-bit biased exponent field

(2 hex digits.  Bias = $7F)

23-bit fraction field

(6 hex digits)

1-bit sign field

(1 binary digit)

11-bit biased exponent field

(3 hex digits.  Bias = $3FF)

52-bit fraction field

(13 hex digits)

1-bit sign field

(1 binary digit)

15-bit biased exponent field

(4 hex digits.  Bias = $3FFF)

64-bit mantissa field

(16 hex digits)