ObjectPascal
ShortInt
Type
An integer type supporting values -128 to 127 System unit
  type ShortInt = -128..127;
Description
The ShortInt type is the smallest form of signed integer, occupying 8 bits (1 byte) of storage.
 
It supports only the integers from -128 to 127.
Related commands
Byte An integer type supporting values 0 to 255
Cardinal The basic unsigned integer type
Int64 A 64 bit sized integer - the largest in Delphi
Integer The basic Integer type
LongInt An Integer whose size is guaranteed to be 32 bits
LongWord A 32 bit unsigned integer
SmallInt An Integer type supporting values from -32768 to 32767
Word An integer type supporting values 0 to 65535
 
Example code : Showing the maximum and minimum values
var
  min, max : ShortInt;
begin
  // Set the minimum and maximum values of this data type
  min := Low(ShortInt);
  max := High(ShortInt);
  WriteLn('Min short int value = '+IntToStr(min));
  WriteLn('Max short int value = '+IntToStr(max));
end;
Show full unit code
   Min short int value = -128
   Max short int value = 127