Difference between revisions of "Category:83Plus:Ports:By Address"
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| − | '''A note about 83+BE ports:''' On the 83+BE, many of the ports have been mirrored to the 00h-07h region. If a port is mirrored, when it is being read, take the bitwise-AND with 07h to find the actual port being accessed. All | + | '''A note about 83+BE ports:''' On the 83+BE, many of the ports have been mirrored to the 00h-07h region. If a port is mirrored, when it is being read, take the bitwise-AND with 07h to find the actual port being accessed. All writes to mirrored ports are ignored. |
Legitimate 83+BE ports (the rest are mirrored): | Legitimate 83+BE ports (the rest are mirrored): | ||
* '''Read values''' - 00h-07h and 10h-13h are original ports | * '''Read values''' - 00h-07h and 10h-13h are original ports | ||
* '''Write values''' - 00h-07h, 10h-13h, 14h, and 16h are original ports | * '''Write values''' - 00h-07h, 10h-13h, 14h, and 16h are original ports | ||
Revision as of 19:24, 28 October 2011
See also list of ports by name.
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A note about 83+BE ports: On the 83+BE, many of the ports have been mirrored to the 00h-07h region. If a port is mirrored, when it is being read, take the bitwise-AND with 07h to find the actual port being accessed. All writes to mirrored ports are ignored.
Legitimate 83+BE ports (the rest are mirrored):
- Read values - 00h-07h and 10h-13h are original ports
- Write values - 00h-07h, 10h-13h, 14h, and 16h are original ports
Subcategories
This category has the following 3 subcategories, out of 3 total.
Pages in category "83Plus:Ports:By Address"
The following 80 pages are in this category, out of 80 total.
