| [Overview][Procedures and functions] | Reference for unit 'x86' (#rtl) |
Read longints from a PC port
Source position: line 0
function ReadPortL( |
Port: LongInt |
):LongInt; |
Port: LongInt; |
var Buf; |
Count: LongInt |
); |
The procedural form of ReadPortL reads Count longints from port Port and stores them in Buf. There must be enough memory allocated at Buf to store Count Longints.
The functional form of ReadPortL reads 1 longint from port B and returns the longint that was read.
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 data from a PC port |
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Read Words from a PC port |
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Read bytes 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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