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hi all i am new to keil.i wrote a timer program in C which is given in Mazidi's book.the proagram is compiling without any errors.the program will give 0x55 at port pin 1 and after some milliseconds it gives 0xAA.now when i use F5(GO)it is not working in loop(not showing 55 and AA,showing FF) whereas when i am using F10 then i can see the change in parellel port(for P1)window
kindly suggest what can be the problem
regards and thanks in advance
thnx Bradford "I assume that you are using the simulator peripherals window for display" ..yes i am using the same thing.when i start and stop the prog the value its showing is 0x55.and about the delay i increased the delay and checked but it didnt work out.i will now try "Periodic Window Update" as u suggested. thnx once more arun