• coding query
    hi can some one tell me wat does idata in the following line does?? unsigned char idata keypad[4][4]= { '1','2','3','/', '4','5','6','*', '7','8','9','-', 'Z','0','X','+',};
  • queries
    I have a problem in c51 compiler. i got message as below Build target 'Target 1' compiling hgbmenu.c... HGBMENU.C(41): warning C280: 'check': unreferenced local variable linking... *** ERROR...
  • query
    WhenI link my program,I meet with the problem as following: Warning L15 : multiple call to segment List two caller: caller1 is a sub_program invoked by my ex1_int serve program caller2: ?c_c51startup...
  • query
    sir i have developed my own header file in case of lpc2148 arm7 in keil software which is.. #include<lpc214x.h> void gpioset(int port,unsigned long set) { if(port==0) { IO0SET=set; } else {...
  • query on startup code
    1) Where from the startup.s gets the __main?--is it from the library? if yes then which library? 2) Where is the complete linker script?---as i hope appname.sct is not the only linker script. it...