IBM PC Keyboard Scan Codes

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For many of the special key combinations such as ALT-A, F1, PgUp, and so forth, the IBM PC uses a special two-character escape sequence. Depending on the programming language being used and the level at which the keyboard is being accessed, the escape character is either ESC (27, 0x1B), or NUL (0).

Char.  Decimal Pair     Hex Pair    Char.  Decimal Pair    Hex Pair
ALT-A     (00,30)    (0x00,0x1e)    ALT-B    (00,48)    (0x00,0x30)
ALT-C     (00,46)    (0x00,0x2e)    ALT-D    (00,32)    (0x00,0x20)
ALT-E     (00,18)    (0x00,0x12)    ALT-F    (00,33)    (0x00,0x21)
ALT-G     (00,34)    (0x00,0x22)    ALT-H    (00,35)    (0x00,0x23)
ALT-I     (00,23)    (0x00,0x17)    ALT-J    (00,36)    (0x00,0x24)
ALT-K     (00,37)    (0x00,0x25)    ALT-L    (00,38)    (0x00,0x26)
ALT-M     (00,50)    (0x00,0x32)    ALT-N    (00,49)    (0x00,0x31)
ALT-O     (00,24)    (0x00,0x18)    ALT-P    (00,25)    (0x00,0x19)
ALT-Q     (00,16)    (0x00,0x10)    ALT-R    (00,19)    (0x00,0x13)
ALT-S     (00,31)    (0x00,0x1a)    ALT-T    (00,20)    (0x00,0x14)
ALT-U     (00,22)    (0x00,0x16)    ALT-V    (00,47)    (0x00,0x2f)
ALT-W     (00,17)    (0x00,0x11)    ALT-X    (00,45)    (0x00,0x2d)
ALT-Y     (00,21)    (0x00,0x15)    ALT-Z    (00,44)    (0x00,0x2c)
PgUp      (00,73)    (0x00,0x49)    PgDn     (00,81)    (0x00,0x51)
Home      (00,71)    (0x00,0x47)    End      (00,79)    (0x00,0x4f)
UpArrw    (00,72)    (0x00,0x48)    DnArrw   (00,80)    (0x00,0x50)
LftArrw   (00,75)    (0x00,0x4b)    RtArrw   (00,77)    (0x00,0x4d)
F1        (00,59)    (0x00,0x3b)    F2       (00,60)    (0x00,0x3c)
F3        (00,61)    (0x00,0x3d)    F4       (00,62)    (0x00,0x3e)
F5        (00,63)    (0x00,0x3f)    F6       (00,64)    (0x00,0x40)
F7        (00,65)    (0x00,0x41)    F8       (00,66)    (0x00,0x42)
F9        (00,67)    (0x00,0x43)    F10      (00,68)    (0x00,0x44)
F11       (00,133)   (0x00,0x85)    F12      (00,134)   (0x00,0x86)
ALT-F1    (00,104)   (0x00,0x68)    ALT-F2   (00,105)   (0x00,0x69)
ALT-F3    (00,106)   (0x00,0x6a)    ALT-F4   (00,107)   (0x00,0x6b)
ALT-F5    (00,108)   (0x00,0x6c)    ALT-F6   (00,109)   (0x00,0x6d)
ALT-F7    (00,110)   (0x00,0x6e)    ALT-F8   (00,111)   (0x00,0x6f)
ALT-F9    (00,112)   (0x00,0x70)    ALT-F10  (00,113)   (0x00,0x71)
ALT-F11   (00,139)   (0x00,0x8b)    ALT-F12  (00,140)   (0x00,0x8c)