Author: Benson Margulies

The Harverford School, Harverford, PA

Operating System: OS/8

Source Language: PAL-8

Memory Required: 8K

Other Software Required: OS/8 BASIC

Abstract: Sixteen functions have been developed to extend OS/8

BASIC. Several of the functions depend on special hardware present at

The Haverford School; however, most will support any OS/8 configura-

tion.

I. Functions for any PDP-8:

a. Key data in from keyboard on the fly.

b. Get a random number in a specified range.

c. Common storage across program chain.

d. Variable programmable pause (requires crystal clock).

e. Keep elapsed time during program execution (same as d.)

II. Support for an extra terminal connected to a KL8-J without

calling handlers

III. Special Hardware:

a. Calendar/clock support

b. A to D converter

IV. Direct cursor addressing on VT-50, 51, 52.

Media Price Code: D4, K27

Format: OS/8

Catalog: August 1978