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documentations:devices:6821 [2018/08/17 09:09]
pulkomandy [TO System PIA]
documentations:devices:6821 [2018/08/17 09:10] (current)
pulkomandy
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 <​columns>​ <​columns>​
  
-=== Data port A ===+=== Data port A (x7CC) ​===
 ^Bit^Joystick 0 ^Mouse ​      ​^Joystick 1^ ^Bit^Joystick 0 ^Mouse ​      ​^Joystick 1^
 |PA0|Up ​        |Left click  | | |PA0|Up ​        |Left click  | |
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 <​newcolumn>​ <​newcolumn>​
  
-=== Data port B ===+=== Data port B (x7CD) ​===
  
 ^Bit^Joysticks ​     ^Mouse^Sound ​   ^ ^Bit^Joysticks ​     ^Mouse^Sound ​   ^
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 </​columns>​ </​columns>​
  
-=== Control ports ===+=== Control ports (x7CE/​x7CF) ​===
 The joystick buttons are wired both to port input pins and to control pins. This makes it possible to trigger interrupts on them, but read the complete joystick state for both joysticks on data ports A and B without having to also test the control ports. The joystick buttons are wired both to port input pins and to control pins. This makes it possible to trigger interrupts on them, but read the complete joystick state for both joysticks on data ports A and B without having to also test the control ports.
   * CA1: Joy0 button 2   * CA1: Joy0 button 2
documentations/devices/6821.txt ยท Last modified: 2018/08/17 09:10 by pulkomandy
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