• Interrupt handling for 89C51
    In the manual , example code written intrrupt is : void example(void) interrupt 1 using 2 { ..... ..... } Can someone tell me what is meant by " using 2" there? thanks
  • keil c51 interrupt erro
    why when simulated the interrupt,the fllowing message dispear and the program count run. *** error 65: access violation at C:0x0013 : no 'execute/read' permission
  • odd erros
    Hi I have written am tiny bootloader to program 80C597AF and it works fine few days before but suddenly it stop working and show me error; Searching CPU not found I have also tried some other...
  • Erro "Cannot open Port"
    Hallo all, My project is for AT89C51CC03.In keil uvision4 i copy header file and include this file in following file. #include<stdio.h> #include "AT89C51CC03_HEADER.h" void main(void) ...
  • erroe C141 and c202
    my program is this: #include <REGX51.h> #include <math.h> #define s_pin P2^0; #define w_sensor P2^7; #define red_led P3^0; #define yellow_led P3^1; #define buzr P1^0; main() { while...