KeyDecoder Class Reference

Decoder for keyboard codes received from the PS2Controller. More...

#include <machine/keydecoder.h>

Public Member Functions
	KeyDecoder ()
	Default constructor.
Key	decode (unsigned char code)
	Interprets the make and break codes received from the keyboard and derives the corresponding scan code and further information about other pressed keys, such as shift and ctrl. More...

Public Attributes
bool	status [Key::Scancode::KEYS]
	Current state (pressed or released) of all keys.

Detailed Description

Decoder for keyboard codes received from the PS2Controller.

Extracts the make and break codes, modifier and scan codes from the pressed key.

Member Function Documentation

decode()

Key KeyDecoder::decode

(

unsigned char

code

)

Interprets the make and break codes received from the keyboard and derives the corresponding scan code and further information about other pressed keys, such as shift and ctrl.

Parameters

code	Byte from Keyboard to decode

Returns

Pressed key (Key::valid returns false if the key is not yet complete)

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The documentation for this class was generated from the following files:

• machine/keydecoder.h
• machine/keydecoder.cc