Difference between revisions of "83Plus:Ports:87"

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[[Category:83Plus:Ports:By Address|87 - USB Output-Enabled Pipes]] [[Category:83Plus:Ports:By Name|USB Output-Enabled Pipes]]
 
[[Category:83Plus:Ports:By Address|87 - USB Output-Enabled Pipes]] [[Category:83Plus:Ports:By Name|USB Output-Enabled Pipes]]
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{{84P-Only Port|07}}
 
== Synopsis ==
 
== Synopsis ==
 
'''Port Number:''' 87h
 
'''Port Number:''' 87h
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This port is a bitmap of which pipes in the A0h-A7h range are enabled for output. Similar to [[83Plus:Ports:88|port 88]].
 
This port is a bitmap of which pipes in the A0h-A7h range are enabled for output. Similar to [[83Plus:Ports:88|port 88]].
 
{{84P-Only Port|07}}
 
  
 
=== Read Values ===
 
=== Read Values ===

Latest revision as of 21:19, 27 October 2011

This port only exists on the the TI-84 Plus and the TI-84 Plus Silver Edition. On the standard TI-83 Plus, it acts as a shadow of port 07. On the TI-83 Plus Silver Edition, this port has no effect.

Synopsis

Port Number: 87h

Function: USB Output-Enabled Pipes

This port is a bitmap of which pipes in the A0h-A7h range are enabled for output. Similar to port 88.

Read Values

  • Bit 0: Probably always 0. (Just a guess)
  • Bit 1: Set if pipe 1 is enabled for output.
  • Bit 2: Set if pipe 2 is enabled for output.
  • Bit 3: Set if pipe 3 is enabled for output.
  • Bit 4: Hypothetically, set if pipe 4 is enabled for output.
  • Bit 5: Hypothetically, set if pipe 5 is enabled for output.
  • Bit 6: Hypothetically, set if pipe 6 is enabled for output.
  • Bit 7: Hypothetically, set if pipe 7 is enabled for output.

Write Values

  • No effect