mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-07-03 15:51:20 +00:00
29 lines
825 B
Plaintext
29 lines
825 B
Plaintext
''This page is maintained for historic purposes. The functionality described below has not been implemented in QB64.''
|
|
|
|
----
|
|
|
|
|
|
ON COM(n) branches to a line number or label when there is a value in the serial port specified.
|
|
|
|
|
|
|
|
{{PageSyntax|}}
|
|
:{{KW|ON COM(n)}} {{Parameter|GOSUB}} {linenumber|label}
|
|
|
|
|
|
{{PageDescription}}
|
|
*'''[[Keywords currently not supported by QB64|Not implemented in QB64!]]'''
|
|
* n can be 1 or 2 and is the number of the serial port that is tested.
|
|
* If a value exists in the port then the program branches to the linenumber or label specified.
|
|
* The event handler must first be activated with [[COM|COM(n) ON]]
|
|
|
|
|
|
{{PageSeeAlso}}
|
|
|
|
* [[COM(n)]]
|
|
* [[OPEN COM]]
|
|
* [[Port Access Libraries]] {{text|(COM or LPT registers)}}
|
|
* [[Windows_Libraries#Windows_Ports|Enumerating Windows Ports]]
|
|
|
|
|
|
{{PageNavigation}} |