CCS C Compiler Manual PCB / PCM / PCH

Built-in Functions
Availability:
Requires:
Examples:
Example Files:
Also See:
All devices
Nothing
x = 0x86;
rotate_left( &x, 1);
// x is now 0x0d
None
rotate_right(), shift_left(), shift_right()
rotate_right( )
Syntax:
Parameters:
Returns:
Function:
Availability:
Requires:
rotate_right (address, bytes)
address is a pointer to memory,
bytes is a count of the number of bytes to work with.
undefined
Rotates a bit through an array or structure. The address may be an array
identifier or an address to a byte or structure (such as &data). Bit 0 of the
lowest BYTE in RAM is considered the LSB.
All devices
Nothing
Examples:
struct {
int cell_1 : 4;
int cell_2 : 4;
int cell_3 : 4;
int cell_4 : 4; } cells;
rotate_right( &cells, 2);
rotate_right( &cells, 2);
rotate_right( &cells, 2);
rotate_right( &cells, 2);
// cell_1->4, 2->1, 3->2 and 4-> 3
Example Files:
Also See:
None
rotate_left(), shift_left(), shift_right()
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