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On 30/05/2005 at 21:55, xxxxxxxx wrote:
User Information:
Cinema 4D Version:
Platform: Windows ;
Language(s) :
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Hi, i have 1 question about inline assembly. as shown in the program listing below, if i remove "asm cli", "i=8, flag=5" statement will not be executed.....why the program doesn't work??? why inline assembly asm makes the difference? I'm hoping that i can get the answer here. please and thanks.
#include <mc9s12dp256.h> /* derivative information */
#include "pll.h" /* defines _BUSCLOCK, sets bus frequency to _BUSCLOCK MHz */
void main(void) {
unsigned int i, flag;
/* set system clock frequency to _BUSCLOCK MHz (24 or 4) */
PLL_Init();
/* set port B as output (LEDs) */
DDRB = 0xff; // Port B is output
/* allow all interrupts */
asm cli //weirdness happen here
i = 8;
if (i==8) {
flag=5;
}
/* forever */
for(;;){} // remove this to make things even worse...
}