Echelon Neuron C - Manual (Page 149)

Neuron C Reference Guide 129
// k now contains 0x87E0
}
rotate_short_left( ) Function
The rotate_short_left( ) function returns the bit-rotated value of arg . The bit
positions are rotated the number of places determined by the count argument.
The signedness of the argument does not affect the result. Bits that are rotated
out from the upper end of the value are rotated back in at the lower end. See also
rotate_long_left( ), rotate_long_right( ), and rotate_short_right( ).
Syntax
#include <byte.h>
short rotate_short_left (short
arg , unsigned count );
Example
#include <byte.h>
void f(void)
{
short
s;
s = 0x3F;
s = rotate_short_left(s, 3);
// s now contains 0xF9
}
rotate_short_right( ) Function
The rotate_short_right( ) function returns the bit-rotated value of arg . The bit
positions are rotated the number of places determined by the count argument.
The signedness of the argument does not affect the result. Bits that are rotated
out from the lower end of the value are rotated back in at the upper end. See also
rotate_long_left( ), rotate_long_right( ), and rotate_short_left( ).
Syntax
#include <byte.h>
short rotate_short_right (short arg , unsigned count );
Example
#include <byte.h>
void f(void)
{
short
s;
s = 0x3F;
s = rotate_short_right(s, 3);
// s now contains 0xE7