Interface: query raw button states. More...

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Macros
#define	BUTTON_ONOFF 0x0002
	the on/off button

#define	BUTTON_RUN 0x0004
	the run button

#define	BUTTON_VIEW 0x4000
	the view button

#define	BUTTON_PROGRAM 0x8000
	the program button

#define	RELEASED(state, button) ((state) & (button))
	true if any of the specified buttons is released

#define	PRESSED(state, button) (!RELEASED(state,button))
	true if all of the specified buttons are pressed

Functions
int	dbutton (void)
	get button states

Detailed Description

Interface: query raw button states.

Author: Markus L. Noga marku.nosp@m.s@no.nosp@m.ga.de

Warning: this is raw, unprocessed input. buttons will bounce. please use dkey functions instead.

Definition in file dbutton.h.

Macro Definition Documentation

◆ BUTTON_ONOFF

#define BUTTON_ONOFF 0x0002

the on/off button

Definition at line 42 of file dbutton.h.

◆ BUTTON_PROGRAM

#define BUTTON_PROGRAM 0x8000

the program button

Definition at line 45 of file dbutton.h.

◆ BUTTON_RUN

#define BUTTON_RUN 0x0004

the run button

Definition at line 43 of file dbutton.h.

◆ BUTTON_VIEW

#define BUTTON_VIEW 0x4000

the view button

Definition at line 44 of file dbutton.h.

◆ PRESSED

#define PRESSED	(	state,
		button
	)	(!RELEASED(state,button))

true if all of the specified buttons are pressed

Definition at line 56 of file dbutton.h.

◆ RELEASED

#define RELEASED	(	state,
		button
	)	((state) & (button))

true if any of the specified buttons is released

Definition at line 52 of file dbutton.h.

Function Documentation

◆ dbutton()

int dbutton ( void )

externinline

get button states

masks as defined above

Definition at line 67 of file dbutton.h.

References __asm__().

Macros

Functions