| [Overview][Procedures and functions][Index] | 
Write longint to PC port.
Source position: x86.pp line 38
procedure WritePortL(  | 
Port: LongInt;  | 
Value: LongInt  | 
);  | 
Port: LongInt;  | 
var Buf;  | 
Count: LongInt  | 
);  | 
The first form of WritePortB writes 1 byte to port Port. The second form writes Count bytes from Buf to port Port.
| Remark: | You need permission to write to a port. This permission can be set with root permission with the FpIOPerm call. | 
  | 
Set permission on IO ports  | 
|
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Write data to PC port  | 
|
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Write byte to PC port  | 
|
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Write Word to PC port  | 
|
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Read bytes from a PC port  | 
|
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Read longints from a PC port  | 
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Read Words from a PC port  |