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  • Global varible or Local varibles which is best wrt data memory usage?
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  • problem of DS5250 xdata varibles in interrupt service routine
    sorry my english is poor... i use c51 v7.00 compiler to develop program on DS5250 . when i use xdata variables in ISR, i find them not work well. for example, a xdata varible and a idata variable...
  • how does the c51 compiler initialise those varibles declared in XDATA area?
    hi I want to konw how the c51 compiler initialises those varibles declared in XDATA area? such like : unsigned char xdata var1 - 0x55; thanks!
  • NO ERROR DISPLAYED, BUT THE ANSWER NOT OBTAINED
    HI ERIK AND DHAVAL SOLANKI PLEASE CLARIFY ME THE MISTAKE I VE DONE HERE, THIS THE PROGRAM TO INTERFACE FOUR SEVENSEGMENT LEDS (MULTIPLEXING), IN THIS PROGRAM THE DATA WHICH IS STORED IN 90H,91H...