| [Overview][Procedures and functions][Index] |
Write byte to PC port
Source position: x86.pp line 34
procedure WritePortB( |
Port: LongInt; |
Value: Byte |
); |
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. |
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Set permission on IO ports |
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Write data to PC port |
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Write longint 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 |