bialix (23.08.2005 11:35, просмотров: 1) ответил POV на Хы, при разной оптимизации результат разный...
не верю! _nop_
#include
void _nop_ (void);
Description:
The _nop_ routine inserts an 8051 NOP instruction into the program. This routine can be used to pause for 1 CPU cycle. This routine is implemented as an intrinsic function. The code required is included in-line rather than being called.
Return Value:
None.
Attributes:
reentrant, intrinsic
See Also:
-
Example
#include
#include /* for printf */
void tst_nop (void) {
P1 = 0xFF;
_nop_ (); /* delay for hardware */
_nop_ ();
_nop_ ();
P1 = 0x00;