1.1 --- a/keyb.c	Mon Sep 23 03:45:39 2013 +0300
     1.2 +++ b/keyb.c	Mon Sep 23 04:07:09 2013 +0300
     1.3 @@ -42,6 +42,7 @@
     1.4  static int buffer_size, buf_ridx, buf_widx;
     1.5  static int last_key;
     1.6  
     1.7 +static unsigned int num_pressed;
     1.8  static unsigned char keystate[256];
     1.9  
    1.10  #define ADVANCE(x)	((x) = ((x) + 1) % buffer_size)
    1.11 @@ -62,6 +63,7 @@
    1.12  	last_key = -1;
    1.13  
    1.14  	memset(keystate, 0, sizeof keystate);
    1.15 +	num_pressed = 0;
    1.16  
    1.17  	/* set our interrupt handler */
    1.18  	_disable();
    1.19 @@ -88,6 +90,9 @@
    1.20  
    1.21  int kb_isdown(int key)
    1.22  {
    1.23 +	if(key == KB_ANY) {
    1.24 +		return num_pressed;
    1.25 +	}
    1.26  	return (int)keystate[key];
    1.27  }
    1.28  
    1.29 @@ -155,8 +160,14 @@
    1.30  	if(code >= 128) {
    1.31  		press = 0;
    1.32  		code -= 128;
    1.33 +
    1.34 +		if(num_pressed > 0) {
    1.35 +			num_pressed--;
    1.36 +		}
    1.37  	} else {
    1.38  		press = 1;
    1.39 +
    1.40 +		num_pressed++;
    1.41  	}
    1.42  
    1.43  	key = scantbl[code];