• Address return form accept() / MDK Keil
    Hi guys, why or better when is the accept() returning zero filled IP and PORT? Sometimes I have there right IP and port and sometimes zero filled ip. SOCKADDR_IN rem_addr = {0}; int addr_len = sizeof...
  • interrupt routine
    I found that my interrupt routine has strange source code is: void t3Isr(void) interrupt 3 using 0 { tm_flg |= (tm_sts ++ ^ tm_sts) & 0x7; } the compiler give me: 5: void t3Isr(void)...
  • Assembly variables form C
    I am writing a small C function which is suppose to replace the assembly function My rest code is written in assembly and the assembler (asm51) is used The data declaration is done as t33 EQU...
  • C51 interrupt routine
    Dear friends, Wish you all Happy merry Christmas.In C51 interrupt routine function attribute USING Rn what purpose it will serve.If i am not using the same,what will happen in ISR.Pls explain me...
  • single step into an interrupt routine
    Is there a way to prevent the debugger from single stepping into an interrupt routine. To disable interrupts help but it is awkward.