Michael Karas wrote:

"....and an 8051 RTOS does "no crazy (and dangerous)" stack manipulations....???
"


I dont know, since I never used RTOS.

I use a self written scheduler with this four functions:

void InitSoftTimer(void);
bit AddDelayedFunc(funcp func, t_res delay);
void RemoveDelayedFunc(funcp func);
void SoftTimeTick(void); // must be called cyclic, e.g. every 1/64sec


Peter