--- Net2/arch/i386/stand/kbd.c	2018/04/24 18:04:01	1.1
+++ Net2/arch/i386/stand/kbd.c	2018/04/24 18:20:32	1.1.1.4
@@ -33,7 +33,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)kbd.c	7.4 (Berkeley) 5/4/91
+ *	from: @(#)kbd.c	7.4 (Berkeley) 5/4/91
+ *	kbd.c,v 1.2 1993/05/22 08:02:18 cgd Exp
  */
 
 #define	L		0x01	/* locking function */
@@ -49,6 +50,7 @@ typedef unsigned char u_char;
 
 u_char inb();
 
+#ifdef notdef
 u_char action[] = {
 0,     ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII,		/* scan  0- 7 */
 ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII,		/* scan  8-15 */
@@ -127,13 +129,14 @@ struct key {
 #endif
 
 u_char shfts, ctls, alts, caps, num, stp;
+#endif
 
 #define	KBSTATP	0x64	/* kbd status port */
 #define		KBS_INP_BUF_FUL	0x02	/* kbd char ready */
 #define	KBDATAP	0x60	/* kbd data port */
 #define	KBSTATUSPORT	0x61	/* kbd status */
 
-u_char odt;
+u_char odt, bdt;
 
 u_char kbd() {
 	u_char dt, brk, act;
@@ -148,6 +151,7 @@ loop:
 
 	brk = dt & 0x80 ; dt = dt & 0x7f ;
 
+#ifdef notdef
 	act = action[dt];
 	if (act&SHF) {
 		if(brk)	shfts = 0; else shfts = 1;
@@ -173,7 +177,7 @@ loop:
 			if(!brk) stp ^= 1;
 		} else if(brk)	stp = 0; else stp = 1;
 	}
-	if(ctl && alts && dt == 83) exit();
+	if(ctls && alts && dt == 83) exit();
 	if ((act&ASCII) && !brk) {
 		u_char chr;
 
@@ -191,20 +195,32 @@ loop:
 		while(inb(0x64)&1 == 1) inb(0x60);A*/
 		return(chr);
 	}
+#else
+	if (brk)
+		return(1);
+#endif
 	goto loop;
 }
 
 scankbd() {
 u_char c;
 	
+#ifdef notdef
 	c = inb(0x60);
-	if (c == 0xaa) { odt = 0x2a; return (0); }
-	if (c == 0xfa) { odt = 0x7a; return (0); }
+	if (c == 83) exit();
+	/*if (c == 0xaa) return (0);
+	if (c == 0xfa) return (0);*/
+
+	if (bdt == 0) {  bdt = c&0x7f; return(0); }
+
+	if(odt) return(1);
+
 	c &= 0x7f;
 	
-	if ( (odt&0x7f) == c )return(0);
-	if(odt == 0) { odt = c;  return(0); }
-	return(kbd());
+	if (bdt == c) return(0);
+	odt = c;
+#endif
+	return(1);
 }
 
 kbdreset()
@@ -226,8 +242,12 @@ kbdreset()
 	outb(0x64,0xd1);	
 	while (inb(0x64)&2);	/* wait input ready */
 	outb(0x60,0xdf);	
+	while (inb(0x64)&2);	/* wait input ready */
+	odt = bdt = 0;
+	inb(0x60);
 }
 
+#ifdef notdef;
 u_char getchar() {
 	u_char c;
 
@@ -237,6 +257,7 @@ u_char getchar() {
 	putchar(c);
 	return(c);
 }
+#endif
 
 reset_cpu() {