Difference between revisions of "84PCE:Ports:4000"

From WikiTI
Jump to: navigation, search
(Created page with "A000 - Keyboard Keyboard == Synopsis == '''Port Number:''' A000-? '''Function:''' Keyboard array read Th...")
 
Line 2: Line 2:
 
== Synopsis ==
 
== Synopsis ==
 
'''Port Number:''' A000-?
 
'''Port Number:''' A000-?
 +
 +
'''Memory-mapped address:''' F50000
  
 
'''Function:''' Keyboard array read
 
'''Function:''' Keyboard array read
  
 
The ports in this range are for reading from the keyboard. Note that reads are censored for some strange reason, so you can't actually read directly from the keyboard. What, are they afraid we could read the status of the testing LED?
 
The ports in this range are for reading from the keyboard. Note that reads are censored for some strange reason, so you can't actually read directly from the keyboard. What, are they afraid we could read the status of the testing LED?

Revision as of 16:00, 30 March 2015

Synopsis

Port Number: A000-?

Memory-mapped address: F50000

Function: Keyboard array read

The ports in this range are for reading from the keyboard. Note that reads are censored for some strange reason, so you can't actually read directly from the keyboard. What, are they afraid we could read the status of the testing LED?