tportw
[Properties (by Name)][Methods (by Name)][Events (by Name)]
Type implemented to support word-sized port access
Declaration
Source position: portsh.inc line 45
Type
tportw = object
private
procedure writeport(p: Word; data: Word);
function readport(p: Word) : Word;
public
pp[w: Word]: Word; default;
end
;
Description
The TPortW type is implemented specially for access to the ports in a TP compatible manner. There is no need to create an instance of this type: the standard TP variables are instantiated at unit initialization.
Members
| Member | Type | Visibility | Description |
|---|---|---|---|
| pp | Property | public | Access word-sized port by port number |
| readport | Method | private | Reads a word of data from a port |
| writeport | Method | private | Writes a word of data to a port |
Inheritance
| Class | Description |
|---|---|
| tportw | Type implemented to support word-sized port access |
See also
| Name | Description |
|---|---|
| portw | Provide port access per word |
| TPort | Type implemented to support integer-sized port access |
| TPortL | Type implemented to support Longint-sized port access |
| Word | An unsigned 16-bits integer |