• ISR declaration for 80c51
    How can we declare an interrupt service routine(ISF) function in keil for 80c51??
  • Interrups Do not Trigger User Code ISR's
    I am running a piece of code that has ISR's (ie timer, serial) When I generate interrupts.. say by writting to the SBUF register I get the data in the SERIAL I/O window and it shows an interrupt occurred...
  • why there is so much animosity
    why is there so much animosity one could easily see that the so called seniors are very rude. this guy might be wrong with the title of his post but than this is what he probably thought. Just...
  • Dual DPTR push in ISR - why?
    I'm looking to optimize an ISR written in C and wondered why version 6.21 pushes both DPTR when it doesn't use them both?
  • why can't const array be in
    const char anarray[5]={1,3,5,7,9}; The above works well. But occupies a lot of mem. const char code anarray[5]={1,3,5,7,9}; Compliled and linked without an error prompt. But works bad....