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

From WikiTI
Jump to: navigation, search
(Synopsis)
 
Line 6: Line 6:
 
'''Function:''' USB Input-Enabled Pipes
 
'''Function:''' USB Input-Enabled Pipes
  
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 input. Similar to [[83Plus:Ports:8A|port 8A]].
  
 
=== Read Values ===
 
=== Read Values ===

Latest revision as of 13:31, 24 September 2017

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 input. 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