ASCII 7-bit character codes

Model 33 ASR/KSR Teletype Code (ASCII)

From Small Computer Handbook, Digital Equipment Corporation, 1967

  0-31                32-63  64-95  96-127
-------------------   -----  -----  ------
Null/Idle             space    @
Start of message        !      A
End of address          "      B
End of message          #      C
End of transmission     $      D
Who are you             %      E
Are you                 &      F
Bell                    '      G
Format effector         (      H
Horizontal tab          )      I
Line feed               *      J
Vertical tab            +      K
Form feed               ,      L
Carriage Return         -      M
Shift out               .      N
Shift in                /      O
DC0                     0      P
Reader on               1      Q
Tape (aux on)           2      R
Reader off              3      S
(Aux off)               4      T
Error                   5      U
Synchronous idle        6      V
Logical end of media    7      W
S0                      8      X
S1                      9      Y
S2                      :      Z
S3                      ;      [
S4                      <      \
S5                      =      ]
S6                      >   Up arrow
S7                      ?  Left arrow  Rub out

Current 7-bit ASCII codes

  0-31                32-63  64-95  96-127
-------------------   -----  -----  ------
Null/Idle             space    @      `
Start of message        !      A      a
End of address          "      B      b
End of message          #      C      c
End of transmission     $      D      d
Who are you             %      E      e
Are you                 &      F      f
Bell                    '      G      g
BS                      (      H      h
Horizontal tab          )      I      i
Line feed               *      J      j
Vertical tab            +      K      k
Form feed               ,      L      l
Carriage Return         -      M      m
Shift out               .      N      n
Shift in                /      O      o
DC0                     0      P      p
XON                     1      Q      q
Tape (aux on)           2      R      r
XOFF                    3      S      s
(Aux off)               4      T      t
Error                   5      U      u
Synchronous idle        6      V      v
Logical end of media    7      W      w
S0                      8      X      x
S1                      9      Y      y
S2                      :      Z      z
ESC                     ;      [      {
S4                      <      \      |
S5                      =      ]      }
S6                      >      ^      ~ 
S7                      ?      _     Del