Difference between revisions of "83Plus:Ports:08"

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'''Note:''' Do not take the information on this template page as actual documentation!
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[[Category:83Plus:Ports:By_Address|08 - Link Assist Enable]]
 
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[[Category:83Plus:Ports:By_Name|Link Assist Enable]]
The Ports are named by their number, in hexadecimal. An example is [[83Plus:Ports:00]].
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You also must put a variation on the following code into your page to have it categorized:
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NaodW29-nowiki4ba326a46ee8fcd600000001
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----
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== Synopsis ==
 
== Synopsis ==
'''Port Number:''' 06h
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'''Port Number:''' 08h
  
'''Function:''' Flash Memory Paging
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'''Function:''' Link Assist Enable
  
This port controls what page is swapped into the 4000h to 7FFFh range. ('''DO NOT''' take this template page as real documentation on port 6!)
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This port controls whether the hardware link assist is enabled.
  
 
=== Read Values ===
 
=== Read Values ===
* [00h - FFh]: The current port mapped to the memory range 4000h through 7FFFh.
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* Bit 7: 1 if the link assist is disabled.
  
 
=== Write Values ===
 
=== Write Values ===
* [00h - FFh]: The new page to swap in to the memory range 4000h through 7FFFh
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* Bit 7: 1 to disable the link assist.
 
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''Note: if you would have bitwise flags for your port, label them "bit X".''
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== Comments ==
 
== Comments ==
The behavior of this port changes in different memory map modes.
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This port only exists on the 83+ SE and the 84+.
  
== Example ==
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Programs which directly control the link port should disable the hardware assist.
NaodW29-nowiki4ba326a46ee8fcd600000002
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== Credits and Contributions ==
 
== Credits and Contributions ==
* '''/dev/urandom:''' Because of your randomness, this project is possible.
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* '''Michael Vincent:''' Original documentation of the link assist

Revision as of 19:23, 28 March 2005

Synopsis

Port Number: 08h

Function: Link Assist Enable

This port controls whether the hardware link assist is enabled.

Read Values

  • Bit 7: 1 if the link assist is disabled.

Write Values

  • Bit 7: 1 to disable the link assist.

Comments

This port only exists on the 83+ SE and the 84+.

Programs which directly control the link port should disable the hardware assist.

Credits and Contributions

  • Michael Vincent: Original documentation of the link assist