BK Precision 844USB, Руководство пользователя

Страница: 102 / 137

Program flow executes statements from each procedure. Procedures may be optional and
recommended. Recommended procedures are marked implicitly. You can enable or disable
procedures according to your needs. Jam Player executes only marked procedures. Other
procedures are ignored. Number of procedures is different, it depends on Jam file.
Variables
Jam file of version 1 does not know statements 'action' and 'procedure'. Program flow starts
to run instructions according to boolean variables with prefix DO_something. Jam Player
executes all marked DO_something cases in algorithm. Number of variables (procedures) is
constant, it does not depend on Jam file. If you need some new boolean variables with prefix
DO_something then contact us.
OK
Accept selected action with appropriate procedures which are marked.
Information
Displays information about Jam file. You can preview NOTEs and source file in dialog.
Device according to Jam file
file is made for a specific device. Device name is found in Jam file in part NOTE identifier
DEVICE. Device name must be identical with name of the device selected in dialog Select
device. When devices are different, software will indicate this situation by warning message
during start of the Jam Player.
JAM file information dialog
Notes : statements are used to store information about the Jam file. The information stored in
NOTE fields may include any type of documentation or attributes related to the particular Jam
program.
Source file contains a program in Jam language. Jam program consists of a sequence of
statements. Jam statement consists of a label, which is optional, an instruction, and
arguments, and terminates with a semicolon (;). Arguments may be literal constants,
variables, or expressions resulting in the desired data type (i.e., Boolean or integer). Each
statement usually occupies one line of the Jam program, but this is not required. Line breaks
are not significant to the Jam language syntax, except for terminating comments. An
102