Gambas Documentation - /def/ascii

/def/ascii

# ASCII

ASCII is the American Standard Code for Information Interchange.

It is a 7-bit code. Many 8-bit codes (such as ISO 8859-1, the Linux default character set) contain ASCII as their lower half. The international counterpart of ASCII is known as ISO 646.

The ASCII code has three parts:

- The null character (0)

- Control codes (from 1 to 31)

- Visible characters (from 32 to 126)

- The rubout (delete) character 127

### The visible characters from 32 to 126

Decimal ASCII table

    &nbsp; | 30  40  50  60  70  80  90  100 110 120
    --+----------------------------------------
    0 |     (   2   <   F   P   Z   d   n   x
    1 |     )   3   =   G   Q   [   e   o   y
    2 |     *   4   >   H   R   \   f   p   z
    3 | !   +   5   ?   I   S   ]   g   q   {
    4 | "   ,   6   @   J   T   ^   h   r   |
    5 | #   -   7   A   K   U   _   i   s   }
    6 | $   .   8   B   L   V   `   j   t   ~
    7 | %   /   9   C   M   W   a   k   u   DEL
    8 | &   0   :   D   N   X   b   l   v
    9 | '   1   ;   E   O   Y   c   m   w

Hexadecimal ASCII table

    &nbsp; | 2   3   4   5   6   7
    --+------------------------
    0 |     0   @   P   `   p
    1 | !   1   A   Q   a   q
    2 | "   2   B   R   b   r
    3 | #   3   C   S   c   s
    4 | $   4   D   T   d   t
    5 | %   5   E   U   e   u
    6 | &   6   F   V   f   v
    7 | '   7   G   W   g   w
    8 | (   8   H   X   h   x
    9 | )   9   I   Y   i   y
    A | *   :   J   Z   j   z
    B | +   ;   K   [   k   {
    C | ,   <   L   \   l   |
    D | -   =   M   ]   m   }
    E | .   >   N   ^   n   ~
    F | /   ?   O   _   o   DEL

### The control characters from 0 to 31

Control characters

    Decimal   Hexadecimal   Name                                 Gambas character
    -----------------------------------------------------------------------------
    0         00            NUL                                  '\0' (1)
    1         01            SOH    Start of Header
    2         02            STX    Start of Text
    3         03            ETX    End of Text
    4         04            EOT    End of Transmission
    5         05            ENQ    Enquiry
    6         06            ACK    (positive) Acknowledgement
    7         07            BEL    Audible Signal (Bell or Beep) '\a' (1)
    8         08            BS     Backspace                     '\b' (1)
    9         09            HT     Horizontal Tab                '\t'
    10        0A            LF     Line Feed                     '\n'
    11        0B            VT     Vertical Tab                  '\v' (1)
    12        0C            FF     Form Feed                     '\f' (1)
    13        0D            CR     Carriage Return               '\r'
    14        0E            SO     Shift Out
    15        0F            SI     Shift In
    16        10            DLE    Data Link Escape
    17        11            DC1    Device Control 1
    18        12            DC2    Device Control 2
    19        13            DC3    Device Control 3
    20        14            DC4    Device Control 4
    21        15            NAK    negative Acknowledgement
    22        16            SYN    Synchronise
    23        17            ETB    End of Transmission Block
    24        18            CAN    Cancel
    25        19            EM     End Of Medium
    26        1A            SUB    Substitute
    27        1B            ESC    Escape
    28        1C            FS     File Separator
    29        1D            GS     Group Separator
    30        1E            RS     Record Separator
    31        1F            US     Unit Separator

`(1)` Not yet implemented

This documentation comes from the 'man' page of the Linux Programmer's Manual.