HP HP-11C - Page 84

82 Section 5: Programming Basics
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Single-Digit
Keycodes
A program line can consist of one to three keycode elements. For
example:
053- 23 054- 4333 055-44,40, 5
A A4 A4 X
5N @ [E B s
Row 2 Row4 Row3 Row4 Row4 5" digit key
Col. 3 Col. 3 Col. 3 Col.4 Col.10
Let’s take another look at the program instructions we just keyed
in (page 81). Press [g](BST]. Your display will now show the first
line of the heat loss program:
001-42,21.11
e s
Line Number —4 ‘—- Keycode
The number code 001- designates the line number of program
memory. The next digit pair, 42, represents (row 4, column 2); 21
represents (row 2, column 1); 11 represents (row 1, column
1). In this manner all programmable keystrokes except functions
assigned to digit keys are represented by a two-digit keycode. Let’s