IBM 1130 User Manual page 187

Section
Subsections Page
25 30
I
20
03
Look for opportunities to consolidate several in-line
routines into one multiple-use subroutine. While
sophisticated programming techniques are acceptable,
the particular degree of skill and knowledge avail-
able to maintain and modify the program should be
kept in mind.
The following suggestions may help when pro-
gramming and documenting:
1.
List the functions of your routine.
2. Plan the logic of your routine and sketch a
flowchart.
3. Program your routine.
4. Draw the final modular flowcharts of your
routine, shown to the necessary levels of detail.
5. Create the test data so that every leg of your
routine will be thoroughly tested.
6. Write the detailed narrative of your routine.
It is easier to document your routine when the
information is fresh in your mind; furthermore, the
documentation thus produced is more meaningful
and more comprehensive.
Summary
It has been found that programs employing the
modular technique are efficient from the standpoint
of both core storage utilization and program execu-
tion time. Section 90 illustrates the importance of
these techniques.
Furthermore, extremely comprehensive and
detailed applications, designed and documented
with the use of modular techniques, may be readily
understood by non-pro gram-oriented personnel,
ranging from company executives to novice pro-
grammers.