ocr: VP5 operating-system function call on PC VP5 function in a library L VP5 function on PC sends command for this function to VP5 via RS-232 port Special application on VP5 receives command for this runction - Special application on VP5 executes this function Special application: on VP5 returns any - parameters from function call back to PC VP5 function in library on PC returns any parameters to actual application function call Figure 2: Flow ofcontrol in VP5 emulation environment.
