• code works in simulation not on chip
    hi, my first project on uvision but im having trouble making it work. so I'm making a simple POV toy (leds flash and moving it side to side you see a message) using a Atmel AT89S52 microcontroller, with...
  • Why this shift doesn't run?
    Hi, I've the following question about this code fragment: ... char BuffRX xdata UCHAR BuffRX[10]; idata unsigned short ValCRCcomp; idata unsigned short ValCRCappo; idata unsigned short ValCRCappo2;...
  • compiler doesn't run
    After installing the C51 Developers kit(DK51 V5.50 for windows) I can't get the compiler to run. I have windows NT 4. When I type C51 or c51.exe in the bin directory it pauses for less than a second then...
  • Simulator Works ... Hardware Doesn't
    I am currently working on converting an application originalldeveoped using the Archimedes tool kit V4, to Keil. The device is a Dallas 80C320. I have successfully ported the code and it runs using...
  • simulation doesn't work
    Hi all, I try to use the simulator with a code that contains struct or union, but it doesn't seem to see members. Here is an example code: struct chuf { unsigned char hi; unsigned char lo; ...