Tally Genicom 6600 User Manual
Page 95
Multiple Repeat Commands
95
Incrementing or decrementing numbers and characters is similar to adding or
subtracting numbers. Align the numers and/or letters vertically in columns and
add or subtract each column. For example, K + 1 means to advance 1
character position from K to the next letter (i.e., K+1 = L and K-1 = J).
The following examples show how automatic increments (addition) and
decrements (subtraction) apply to numeric and character fields:
0A
0
A9
0A
(Operand)
+1
-1
+1
+11
(Operator)
0B
9
B0
1B
(Answer)
In automatic incrementing and decrementing, the alphabet wraps around
itself, meaning that A is one character position beyond Z. The normal
arithmetic rules of carrying or subtracting a 1 from other columns when adding
or subtracting also apply. For example:
0Z
1B
(Operand)
+1
-2
(Operator)
1A
0Z
(Answer)
Below are two additional examples showing how this carry function operates:
0T
0A
(Operand)
+17
+27
(Operator)
2A
2H
(Answer)
The answer is always limited to the total number of characters and spaces in
the operand, even if the operator value has the full twelve characters allowed.
For example:
Y
2F
16A
(Operand)
+112
-105
+1234 (Operator)
A
2A
39E
(Answer)
If spaces are included in the operand value, only numeric values can appear
in the answer for those same columns. No letters are permitted. For example:
(1 space) Y
2F
(Operand)
+112
-105
(Operator)
2A
2A
(Answer)