SIMSCRIPT II.5 Programming Language

SIMSCRIPT II.5 Programming Language
by one of these words. The following examples illustrate the use of field- and bit-packing factors
for attributes of temporary entities.
Table 6-1. Field and Bit-Packing Factors for Common 32-Bit Machines
Field-Packing Factor
Attribute Value Placement
1/2 first half of computer word
2/2 second half of computer word
1/4 first quarter of computer word
2/4 second quarter of computer word
3/4 third quarter of computer word
4/4 fourth quarter of computer word
Bit-Packing Factor
Attribute Value Placement
bits n through m inclusive
n-m
1≤n≤32
1≤m≤32
n≤m
temporary entities
1. Declaration:
every PERSON has an AGE and a NAME
Entity structure:
AGE
NAME
2. Declaration:
every PERSON has an ( AGE(1/2) and NAME(2/2) )
Entity structure:
AGE
NAME
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