Motorola MVME167 Series, Installation Manual, Page: 125 / 176

Floating Point Support
5-19
5
Valid data types that can be used when modifying a floating point
data register or a floating point memory location:
When entering data in single, double, extended precision, or
packed decimal format, the following rules must be observed:
1. The sign field is the first field and is a binary field.
2. The exponent field is the second field and is a hexadecimal
field.
3. The mantissa field is the last field and is a hexadecimal field.
4. The sign field, the exponent field, and at least the first digit of
the mantissa field must be present (any unspecified digits in
the mantissa field are set to zero).
5. Each field must be separated from adjacent fields by an
underscore.
6. All the digit positions in the sign and exponent fields must be
present.
Integer Data Types
12 Byte
1234 Word
12345678 Longword
Floating Point Data Types
1_FF_7FFFFF Single Precision Real Format
1_7FF_FFFFFFFFFFFFF Double Precision Real Format
1_7FFF_FFFFFFFFFFFFFFFF Extended Precision Real Format
1111_2103_123456789ABCDEF01 Packed Decimal Real Format
-3.123456789012123 ScientiÞc Notation Format (decimal)