WritePortB procedure
Write byte to PC port.
Declaration
procedure WritePortB(Port: LongInt; Value: Byte)Description
The first form of WritePortB writes 1 byte to port Port.
The second form writes Count bytes from Buf to port Port.
You need permission to write to a port. This permission can be set with root
permission with the FpIOPerm call.
Errors
In case of an error (not enough permissions to write to this port), runtime 216 ( Access Violation) will occur.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.