Difference between revisions of "83Plus:Ports:89"

From WikiTI
Jump to: navigation, search
(Created page with '89 - USB Input-Enabled Pipes USB Input-Enabled Pipes == Synopsis == '''Port Number:''' 89h '''Function:'''…')
 
Line 1: Line 1:
 
[[Category:83Plus:Ports:By Address|89 - USB Input-Enabled Pipes]] [[Category:83Plus:Ports:By Name|USB Input-Enabled Pipes]]
 
[[Category:83Plus:Ports:By Address|89 - USB Input-Enabled Pipes]] [[Category:83Plus:Ports:By Name|USB Input-Enabled Pipes]]
 +
{{84P-Only Port|01}}
 
== Synopsis ==
 
== Synopsis ==
 
'''Port Number:''' 89h
 
'''Port Number:''' 89h
Line 6: Line 7:
  
 
This port is a bitmap of which pipes in the A0h-A7h range are enabled for intput. Similar to [[83Plus:Ports:8A|port 8A]].
 
This port is a bitmap of which pipes in the A0h-A7h range are enabled for intput. Similar to [[83Plus:Ports:8A|port 8A]].
 
{{84P-Only Port|09}}
 
  
 
=== Read Values ===
 
=== Read Values ===

Revision as of 21:20, 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 01. On the TI-83 Plus Silver Edition, this port has no effect.

Synopsis

Port Number: 89h

Function: USB Input-Enabled Pipes

This port is a bitmap of which pipes in the A0h-A7h range are enabled for intput. Similar to port 8A.

Read Values

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

Write Values

  • No effect