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GeoBASIC Reference Manual 2.GeoBasic Constructs
2-42 TPS1100-Version 1.30
The program name may have up to 18 characters.
2.10 OUTPUT TO THE DISPLAY
Input and output to the display device is not handled by GeoB
ASIC
directly;
instead, necessary system routines are called. However, for testing purposes, it is
often convenient to have some rudimentary output facilities. GeoB
ASIC
provides a
WRITE
-statement for this purpose. The simple types (
Integer
,
Double
,
Logical
) and strings can be written one per call.
2.10.1 Write
Note During execution of a GeoB
ASIC
program on TPS-1100 system a
WRITE - statement has no effect at all. The described behaviour can be
observed only if the program is executed on the TPS-Simulator.
Syntax:
IOStatement ::= " WRITE " Expression
On output, the evaluated expression is written on one line, terminated by return /
new line.
Numeric values are written in a standard format, which for doubles depends on the
value. No blanks are output before or after the number.
Logical values are written as
T
(true) or
F
(false), again without surrounding
blanks.
Strings are written as they are, without surrounding quotes or blanks. Output
strings may contain any printable characters, including blanks and tabs.
A WRITE-call closes the output with CR-LF automatically.
Examples:
♦
We do some output.