| [Overview][Procedures and functions] | Reference for unit 'x86' (#rtl) |
Read data from a PC port
Source position: line 0
procedure ReadPort( |
Port: LongInt; |
var Value: Byte |
); |
Port: LongInt; |
var Value: LongInt |
); |
Port: LongInt; |
var Value: Word |
); |
ReadPort reads one Byte, Word or Longint from port Port into Value.
Note that you need permission to read a port. This permission can be set by the root user with the FpIOPerm call.
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Set permission on IO ports |
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Read bytes from a PC port |
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Read Words from a PC port |
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Read longints from a PC port |
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Write data to PC port |
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Write byte 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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