| [Overview][Procedures and functions][Index] | 
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Set permission on IO ports  | 
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Set I/O privilege level  | 
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Read data from a 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  | 
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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  |