More intelligent BackTab fix using BTAB special key (unused before)

6 files changed, 33 insertions, 27 deletions

diff --git a/sys/dev/kbd/kbdtables.h b/sys/dev/kbd/kbdtables.h
index 23ef510..094d01b 100644
--- a/sys/dev/kbd/kbdtables.h
+++ b/sys/dev/kbd/kbdtables.h
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: kbdtables.h,v 1.16 1994/11/17 22:03:18 sos Exp $
+ *	$Id: kbdtables.h,v 1.17 1994/11/19 22:58:56 ache Exp $
  */
 
 #define SET8 0x80       	/* eight bit for emacs SET8-key */
@@ -52,7 +52,7 @@ keymap_t key_map = { 0x6C,	/* DK iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '+',   '?',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */  '\'',  '`',   NOP,   NOP,   '|',   '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -170,7 +170,7 @@ keymap_t key_map = { 0x6C,	/* uk iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '|',   '|',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '}',   '}',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -288,7 +288,7 @@ keymap_t key_map = { 0x6C,	/* german iso8859 keymap */
 /* sc=0c */ 0xDF,   '?',   NOP,   NOP,   '|',   '|',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */ 0x92,  0x93,   NOP,   NOP,   '\'',  '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -406,7 +406,7 @@ keymap_t key_map = { 0x6C,	/* swedish iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '\\',  NOP,  0x1C,   NOP,  0x35, 0x00,
 /* sc=0d */ 0x180,  '`',   NOP,   NOP,   NOP,   NOP,   NOP,   NOP,  0x3F, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -524,7 +524,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -653,7 +653,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */ 0xca,  0xea,  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */ 0xc3,  0xe3,  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */ 0xd5,  0xf5,  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -772,7 +772,7 @@ keymap_t key_map = { 0x6C,	/* US iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '-',   '_',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '=',   '+',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
diff --git a/sys/dev/syscons/syscons.c b/sys/dev/syscons/syscons.c
index 586f5e5..a9ae28c 100644
--- a/sys/dev/syscons/syscons.c
+++ b/sys/dev/syscons/syscons.c
@@ -35,7 +35,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: syscons.c,v 1.76 1994/11/06 00:30:16 bde Exp $
+ *	$Id: syscons.c,v 1.77 1994/11/17 22:03:16 sos Exp $
  */
 
 #include "sc.h"
@@ -2565,6 +2565,8 @@ next_code:
 			case NEXT:
 				switch_scr((get_scr_num()+1)%NCONS);
 				break;
+			case BTAB:
+				action = F(16);
 			default:
 				if (action >= F_SCR && action <= L_SCR) {
 					switch_scr(action - F_SCR);
diff --git a/sys/i386/isa/kbdtables.h b/sys/i386/isa/kbdtables.h
index 23ef510..094d01b 100644
--- a/sys/i386/isa/kbdtables.h
+++ b/sys/i386/isa/kbdtables.h
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: kbdtables.h,v 1.16 1994/11/17 22:03:18 sos Exp $
+ *	$Id: kbdtables.h,v 1.17 1994/11/19 22:58:56 ache Exp $
  */
 
 #define SET8 0x80       	/* eight bit for emacs SET8-key */
@@ -52,7 +52,7 @@ keymap_t key_map = { 0x6C,	/* DK iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '+',   '?',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */  '\'',  '`',   NOP,   NOP,   '|',   '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -170,7 +170,7 @@ keymap_t key_map = { 0x6C,	/* uk iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '|',   '|',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '}',   '}',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -288,7 +288,7 @@ keymap_t key_map = { 0x6C,	/* german iso8859 keymap */
 /* sc=0c */ 0xDF,   '?',   NOP,   NOP,   '|',   '|',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */ 0x92,  0x93,   NOP,   NOP,   '\'',  '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -406,7 +406,7 @@ keymap_t key_map = { 0x6C,	/* swedish iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '\\',  NOP,  0x1C,   NOP,  0x35, 0x00,
 /* sc=0d */ 0x180,  '`',   NOP,   NOP,   NOP,   NOP,   NOP,   NOP,  0x3F, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -524,7 +524,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -653,7 +653,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */ 0xca,  0xea,  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */ 0xc3,  0xe3,  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */ 0xd5,  0xf5,  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -772,7 +772,7 @@ keymap_t key_map = { 0x6C,	/* US iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '-',   '_',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '=',   '+',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
diff --git a/sys/i386/isa/syscons.c b/sys/i386/isa/syscons.c
index 586f5e5..a9ae28c 100644
--- a/sys/i386/isa/syscons.c
+++ b/sys/i386/isa/syscons.c
@@ -35,7 +35,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: syscons.c,v 1.76 1994/11/06 00:30:16 bde Exp $
+ *	$Id: syscons.c,v 1.77 1994/11/17 22:03:16 sos Exp $
  */
 
 #include "sc.h"
@@ -2565,6 +2565,8 @@ next_code:
 			case NEXT:
 				switch_scr((get_scr_num()+1)%NCONS);
 				break;
+			case BTAB:
+				action = F(16);
 			default:
 				if (action >= F_SCR && action <= L_SCR) {
 					switch_scr(action - F_SCR);
diff --git a/sys/isa/kbdtables.h b/sys/isa/kbdtables.h
index 23ef510..094d01b 100644
--- a/sys/isa/kbdtables.h
+++ b/sys/isa/kbdtables.h
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *	$Id: kbdtables.h,v 1.16 1994/11/17 22:03:18 sos Exp $
+ *	$Id: kbdtables.h,v 1.17 1994/11/19 22:58:56 ache Exp $
  */
 
 #define SET8 0x80       	/* eight bit for emacs SET8-key */
@@ -52,7 +52,7 @@ keymap_t key_map = { 0x6C,	/* DK iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '+',   '?',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */  '\'',  '`',   NOP,   NOP,   '|',   '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -170,7 +170,7 @@ keymap_t key_map = { 0x6C,	/* uk iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '|',   '|',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '}',   '}',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -288,7 +288,7 @@ keymap_t key_map = { 0x6C,	/* german iso8859 keymap */
 /* sc=0c */ 0xDF,   '?',   NOP,   NOP,   '|',   '|',   NOP,   NOP,  0x33, 0x00,
 /* sc=0d */ 0x92,  0x93,   NOP,   NOP,   '\'',  '`',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -406,7 +406,7 @@ keymap_t key_map = { 0x6C,	/* swedish iso8859 keymap */
 /* sc=0c */  '+',   '?',   NOP,   NOP,   '\\',  NOP,  0x1C,   NOP,  0x35, 0x00,
 /* sc=0d */ 0x180,  '`',   NOP,   NOP,   NOP,   NOP,   NOP,   NOP,  0x3F, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
@@ -524,7 +524,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -653,7 +653,7 @@ keymap_t key_map = { 0xEC,        /* keys number */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,  SET8|'-',  SET8|'_',  SET8|0x1F, SET8|0x1F, 0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,  SET8|'=',  SET8|'+',     NOP,       NOP,    0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  SET8|0x08, SET8|0x08, SET8|0x7F, SET8|0x7F, 0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  SET8|0x09,   F(16),      NOP,       NOP,    0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  SET8|0x09,   BTAB,       NOP,       NOP,    0x77, 0x00,
 /* sc=10 */ 0xca,  0xea,  0x11,  0x11,  SET8|'q',  SET8|'Q',  SET8|0x11, SET8|0x11, 0x00, 0x01,
 /* sc=11 */ 0xc3,  0xe3,  0x17,  0x17,  SET8|'w',  SET8|'W',  SET8|0x17, SET8|0x17, 0x00, 0x01,
 /* sc=12 */ 0xd5,  0xf5,  0x05,  0x05,  SET8|'e',  SET8|'E',  SET8|0x05, SET8|0x05, 0x00, 0x01,
@@ -772,7 +772,7 @@ keymap_t key_map = { 0x6C,	/* US iso8859 keymap */
 /* sc=0c */  '-',   '_',  0x1F,  0x1F,   '-',   '_',  0x1F,  0x1F,  0x00, 0x00,
 /* sc=0d */  '=',   '+',   NOP,   NOP,   '=',   '+',   NOP,   NOP,  0x33, 0x00,
 /* sc=0e */ 0x08,  0x08,  0x7F,  0x7F,  0x08,  0x08,  0x7F,  0x7F,  0x00, 0x00,
-/* sc=0f */ 0x09,  F(16),  NOP,   NOP,  0x09,  F(16),  NOP,   NOP,  0x77, 0x00,
+/* sc=0f */ 0x09,  BTAB,   NOP,   NOP,  0x09,  BTAB,   NOP,   NOP,  0x77, 0x00,
 /* sc=10 */  'q',   'Q',  0x11,  0x11,   'q',   'Q',  0x11,  0x11,  0x00, 0x01,
 /* sc=11 */  'w',   'W',  0x17,  0x17,   'w',   'W',  0x17,  0x17,  0x00, 0x01,
 /* sc=12 */  'e',   'E',  0x05,  0x05,   'e',   'E',  0x05,  0x05,  0x00, 0x01,
diff --git a/sys/isa/syscons.c b/sys/isa/syscons.c
index 586f5e5..a9ae28c 100644
--- a/sys/isa/syscons.c
+++ b/sys/isa/syscons.c
@@ -35,7 +35,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: syscons.c,v 1.76 1994/11/06 00:30:16 bde Exp $
+ *	$Id: syscons.c,v 1.77 1994/11/17 22:03:16 sos Exp $
  */
 
 #include "sc.h"
@@ -2565,6 +2565,8 @@ next_code:
 			case NEXT:
 				switch_scr((get_scr_num()+1)%NCONS);
 				break;
+			case BTAB:
+				action = F(16);
 			default:
 				if (action >= F_SCR && action <= L_SCR) {
 					switch_scr(action - F_SCR);