Difference between revisions of "83Plus:Ports:41"

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These ports are used to set a new value to the TI-84+'s timer.
 
These ports are used to set a new value to the TI-84+'s timer.
  
''For further information on the clock, read the documentation for port [[83Plus:Ports:40|40h]].
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''For further information on the clock, read the documentation for ports [[83Plus:Ports:40|40h]] and [[83Plus:Ports:45|45h-48h]].
  
 
== Comments ==
 
== Comments ==

Revision as of 20:30, 26 March 2005

Synopsis

Port Numbers: 41h through 44h

Function: Clock Setting Ports

These ports are used to set a new value to the TI-84+'s timer.

For further information on the clock, read the documentation for ports 40h and 45h-48h.

Comments

Reading from the port simply gives the last value outputted to the port. These ports are nothing more than a simple external "register" where the new clock values are stored.

Like the actual clock ports (ports 45h-48h), these are arranged so the first port is the least significant byte in a 32-bit value, which gives the number of seconds after midnight, January 1st, 1997.

Credits and Contributions

  • Michael Vincent: Initial Documentation