can't debug serial port routine if math.h included

If the header file 'math.h' included and using trig functions(such as sin() function),when to input something like 'SIN=0xAA' in command window,the debugger gives the error '*** error 39: not a modifiable...
can't debug serial port routine if math.h included

If the header file 'math.h' included and using trig functions(such as sin() function),when to input something like 'SIN=0xAA' in command window,the debugger gives the error '*** error 39: not a modifiable...
About serial interrupt and routine for serial transmission

i am using a routine for transmmiting some data serially,it works properly,now i have to use serial interrupt for receving some other data. i must have to use interrupt for the reception of data as it...
About serial interrupt and routine for serial transmission

i am using a routine for transmmiting some data serially,it works properly,now i have to use serial interrupt for receving some other data. i must have to use interrupt for the reception of data as it...
serial routine & Uvision2

Please Help How do i use Uvision2 for debuging serial comm interrupt routine. I have wrote some code but i must hit RI bit on the serial per. menu to watch the serial INT in progress can it be done...