x = 1  Int8 result = 126
x = 2  Int8 result = 127
x = 3  Int8 result = -128
x = 4  Int8 result = -127
x = 5  Int8 result = -126
x = 6  Int8 result = -125
x = 7  Int8 result = -124
x = 8  Int8 result = -123
x = 9  Int8 result = -122
x = 10  Int8 result = -121