Keyboard scan code/character code combinations returned in AH/AL by
INT 16h functions 00h/01h (standard) and functions 01h/11h (extended)
Key Normal Shift Ctrl Alt
Std Ext Std Ext Std Ext Std Ext
Esc 01/1B 01/1B 01/1B 01/1B 01/1B 01/1B - 01/00
1 ! 02/31 02/31 02/21 02/21 - - 78/00 78/00
2 @ 03/32 03/32 03/40 03/40 03/00 03/00 79/00 79/00
3 # 04/33 04/33 04/23 04/23 - - 7A/00 7A/00
4 $ 05/34 05/34 05/24 05/24 - - 7B/00 7B/00
5 % 06/35 06/35 06/25 06/25 - - 7C/00 7C/00
6 ^ 07/36 07/36 07/5E 07/5E 07/1E 07/1E 7D/00 7D/00
7 & 08/37 08/37 08/26 08/26 - - 7E/00 7E/00
8 * 09/38 09/38 09/2A 09/2A - - 7F/00 7F/00
9 ( 0A/39 0A/39 0A/28 0A/28 - - 80/00 80/00
0 ) 0B/30 0B/30 0B/29 0B/29 - - 81/00 81/00
- _ 0C/2D 0C/2D 0C/5F 0C/5F 0C/1F 0C/1F 82/00 82/00
= + 0D/3D 0D/3D 0D/2B 0D/2B - - 83/00 83/00
Backspace 0E/08 0E/08 0E/08 0E/08 0E/7F 0E/7F - 0E/00
Tab 0F/09 0F/09 0F/00 0F/00 - 94/00 - A5/00
q Q 10/71 10/71 10/51 10/51 10/11 10/11 10/00 10/00
w W 11/77 11/77 11/57 11/57 11/17 11/17 11/00 11/00
e E 12/65 12/65 12/45 12/45 12/05 12/05 12/00 12/00
r R 13/72 13/72 13/52 13/52 13/12 13/12 13/00 13/00
t T 14/74 14/74 14/54 14/54 14/14 14/14 14/00 14/00
y Y 15/79 15/79 15/59 15/59 15/19 15/19 15/00 15/00
u U 16/75 16/75 16/55 16/55 16/15 16/15 16/00 16/00
i I 17/69 17/69 17/49 17/49 17/09 17/09 17/00 17/00
o O 18/6F 18/6F 18/4F 18/4F 18/0F 18/0F 18/00 18/00
p P 19/70 19/70 19/50 19/50 19/10 19/10 19/00 19/00
[ { 1A/5B 1A/5B 1A/7B 1A/7B 1A/1B 1A/1B - 1A/00
] } 1B/5D 1B/5D 1B/7D 1B/7D 1B/1D 1B/1D - 1B/00
Enter lC/0D 1C/0D 1C/0D 1C/0D 1C/0A 1C/0A - 1C/00
Ctrl * * * * * * * *
a A 1E/61 1E/61 1E/41 1E/41 1E/01 1E/01 1E/00 1E/00
s S 1F/73 1F/73 1F/53 1F/53 1F/13 1F/13 1F/00 1F/00
d D 20/64 20/64 20/44 20/44 20/04 20/04 20/00 20/00
f F 21/66 21/66 21/46 21/46 21/06 21/06 21/00 21/00
g G 22/67 22/67 22/47 22/47 22/07 22/07 22/00 22/00
h H 23/68 23/68 23/48 23/48 23/08 23/08 23/00 23/00
j J 24/6A 24/6A 24/4A 24/4A 24/0A 24/0A 24/00 24/00
k K 25/6B 25/6B 25/4B 25/4B 25/0B 25/0B 25/00 25/00
l L 26/6C 26/6C 26/4C 26/4C 26/0C 26/0C 26/00 26/00
; : 27/3B 27/3B 27/3A 27/3A - - - 27/00
' " 28/27 28/27 28/22 28/22 - - - 28/00
` ~ 29/60 29/60 29/7E 29/7E - - - 29/00
Left Shift * * * * * * * *
\ | 2B/5C 2B/5C 2B/7C 2B/7C 2B/1C 2B/1C - 2B/00
z Z 2C/7A 2C/7A 2C/5A 2C/5A 2C/1A 2C/1A 2C/00 2C/00
x X 2D/78 2D/78 2D/58 2D/58 2D/18 2D/18 2D/00 2D/00
c C 2E/63 2E/63 2E/43 2E/43 2E/03 2E/03 2E/00 2E/00
v V 2F/76 2F/76 2F/56 2F/56 2F/16 2F/16 2F/00 2F/00
b B 30/62 30/62 30/42 30/42 30/02 30/02 30/00 30/00
n N 31/6E 31/6E 31/4E 31/4E 31/0E 31/0E 31/00 31/00
m M 32/6D 32/6D 32/4D 32/4D 32/0D 32/0D 32/00 32/00
, < 33/2C 33/2C 33/3C 33/3C - - - 33/00
. > 34/2E 34/2E 34/3E 34/3E - - - 34/00
/ ? 35/2F 35/2F 35/3F 35/3F - - - 35/00
Right Shift * * * * * * * *
* 37/2A 37/2A 37/2A 37/2A - 96/00 - 37/00
Alt * * * * * * * *
Space 39/20 39/20 39/20 39/20 39/20 39/20 39/20 39/20
Caps Lock * * * * * * * *
F1 3B/00 3B/00 54/00 54/00 5E/00 5E/00 68/00 68/00
F2 3C/00 3C/00 55/00 55/00 5F/00 5F/00 69/00 69/00
F3 3D/00 3D/00 56/00 56/00 60/00 60/00 6A/00 6A/00
F4 3E/00 3E/00 57/00 57/00 61/00 61/00 6B/00 6B/00
F5 3F/00 3F/00 58/00 58/00 62/00 62/00 6C/00 6C/00
F6 40/00 40/00 59/00 59/00 63/00 63/00 6D/00 6D/00
F7 41/00 41/00 5A/00 5A/00 64/00 64/00 6E/00 6E/00
F8 42/00 42/00 5B/00 5B/00 65/00 65/00 6F/00 6F/00
F9 43/00 43/00 5C/00 5C/00 66/00 66/00 70/00 70/00
F10 44/00 44/00 5D/00 5D/00 67/00 67/00 71/00 71/00
Num Lock * * * * * * * *
Scroll Lock * * * * * * * *
Home 7 47/00 47/00 47/37 47/37 77/00 77/00 00/# 00/#
Up Arrow 8 48/00 48/00 48/38 48/38 - 8D/00 00/# 00/#
PgUp 9 49/00 49/00 49/39 49/39 84/00 84/00 00/# 00/#
- 4A/2D 4A/2D 4A/2D 4A/2D - 8E/00 - 4A/00
Left Arrow 4 4B/00 4B/00 4B/34 4B/34 73/00 73/00 00/# 00/#
Center Key 5 - 4C/00 4C/35 4C/35 - 8F/00 00/# 00/#
Right Arrow 6 4D/00 4D/00 4D/36 4D/36 74/00 74/00 00/# 00/#
+ 4E/2B 4E/2B 4E/2B 4E/2B - 90/00 - 4E/00
End 1 4F/00 4F/00 4F/31 4F/31 75/00 75/00 00/# 00/#
Down Arrow 2 50/00 50/00 50/32 50/32 - 91/00 00/# 00/#
PgDn 3 51/00 51/00 51/33 51/33 76/00 76/00 00/# 00/#
Ins 0 52/00 52/00 52/30 52/30 - 92/00 00/# 00/#
Del . 53/00 53/00 53/2E 53/2E - 93/00 - -
SysReq (84-key only) * * * * * * * *
PrtSc/SysReq (101-key) * * * * 72/00 72/00 * *
Pause/Break (101-key) * * * * 00/00 00/00 * *
F11 (101-key) - 85/00 - 87/00 - 89/00 - 8B/00
F12 (101-key) - 86/00 - 88/00 - 8A/00 - 8C/00
Home (101-key) 47/00 47/E0 47/00 47/E0 77/00 77/E0 - 97/00
Up Arrow (101-key) 48/00 48/E0 48/00 48/E0 - 8D/E0 - 98/00
Page Up (101-key) 49/00 49/E0 49/00 49/E0 84/00 84/E0 - 99/00
Left Arrow (101-key) 4B/00 4B/E0 4B/00 4B/E0 73/00 73/E0 - 9B/00
Right Arrow (101-key) 4D/00 4D/E0 4D/00 4D/E0 74/00 74/E0 - 9D/00
End (101-key) 4F/00 4F/E0 4F/00 4F/E0 75/00 75/E0 - 9F/00
Down Arrow (101-key) 50/00 50/E0 50/00 50/E0 - 91/E0 - A0/00
Page Down (101-key) 51/00 51/E0 51/00 51/E0 76/00 76/E0 - A1/00
Insert (101-key) 52/00 52/E0 52/00 52/E0 - 92/E0 - A2/00
Delete (101-key) 53/00 53/E0 53/00 53/E0 - 93/E0 - A3/00
/ (101-key) 35/2F E0/2F 35/2F E0/2F - 95/00 - A4/00
Enter (101-key) 1C/0D E0/0D 1C/0D E0/0D 1C/0A E0/0A - A6/00
Right Alt (101-key) * * * * * * * *
Right Ctrl (101-key) * * * * * * * *
\ | (102-key) 56/5C 56/5C 56/7C 56/7C - - - -
- Keystroke ignored
* Processed by the BIOS
# Alt-keypad number returns the specified character code and scan code 0
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