Zebra EPL2 Specifications Page 168

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A Command – Simple Expresssions in Data Fields
Description: The advanced function of the A command al
-
lows addition and subtraction to be performed
on constant and variable values in flash printers.
Syntax: Ap
1
,p
2
,p
3
,p
4
,p
5
,p
6
,p
7
,"DATA"[p
8
p
9
p
10
…]
Parameters: For the p
1
- p
7
and “DATA” parameters -
See A command, page 2-4.
p
8
= Required. Must be a variable data field
number, eg. V00, V01 etc.
p
9
= Required. Operator, + or –
p
10
= Required. Variable data field number
or constant value.
Valid Number Ranges:
Constant=0to2147483647
Variable=0to2147483647
Result = -2147483648 to 2147483647
The Expression must start with a variable
field.
The character field length defined for the first
variable in the expression will be used to for
-
mat the result. If the result is of a greater
length than the defined character length,
then the result field will contain ‘X’s.
A syntax error will be generated during form
store if the constant value is too large.
If an error occurs during the evaluation of the
expression, the resultant field will be filled
with ‘X’s.
G-4 980009-001 Rev.F
Appendix G - Advanced Programming
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