3b1emu: src/keyboard.h@ebce87d87808 (annotated)

src/keyboard.h@ebce87d87808 (annotated)

Thu, 30 Dec 2010 00:37:03 +0000

add keyboard event handler; need to do register r/w next.

 #ifndef _KEYBOARD_H
 #define _KEYBOARD_H
 #define KEYBOARD_BUFFER_SIZE 0x100
 /**
  * Keyboard controller state
  */
 typedef struct {
 	unsigned char	keybuf[KEYBOARD_BUFFER_SIZE];		///< Keyboard data buffer
 	size_t			readptr;							///< Keyboard buffer read pointer
 	size_t			writeptr;							///< Keyboard buffer write pointer
 	size_t			buflen;								///< Keyboard buffer fill level (buffer length)
 	int				keystate[0x80];						///< List of key up/down states
 } KEYBOARD_STATE;
 /**
  * Initialise the keyboard.
  *
  * Initialises a keyboard state block in preparation for keyboard events.
  *
  * @param	state	Keyboard state block
  */
 void keyboard_init(KEYBOARD_STATE *state);
 /**
  * Issue a keyboard event.
  *
  * Call this function when SDL issues a keyboard event in the event loop.
  */
 void keyboard_event(KEYBOARD_STATE *state, SDL_Event *ev);
 #endif