Hello, Iam facing problem with inserting asm code into my c file, what i did is I have opend new project and target controller is at89c51, and added following c file to project. *************************************** #pragma SRC #pragma LARGE #include <stdio.h> #include <intrins.h> #include <at89x51.h> void main(void) { #pragma asm MOV A,#21H JMP $ #pragma endasm } ******************************* the above was the sample file, i am trying to learn inline asm then i press F7 compiler shows some error like src control to be active. then i right click on my .c file and i activated "Assemble SRC file" option the shows error following. ******************* *** FATAL ERROR L210: I/O ERROR ON INPUT FILE: EXCEPTION 0021H: PATH OR FILE NOT FOUND FILE: D1.OBJ ******************* then again i right click on my .c file and i activated "Generate Assemble SRC file" option then while compiling shows error is ******************** C51 FATAL-ERROR - ACTION: PRASING INVOKE-/#PRAGMA -LINE LINE: #pragma SRC ERROR: RESPECIFIED OR CONFLICTING CONTROL. ******************** Why the above was happening, is any thing i am doing wrong?. Please help me Regarding above. THANKING YOU, PADMANABHAM