turning a LED on

I used 11.0592 Mhz clock in pin # 19 then grounded the uC and put 5v vcc.

You need to connect the crystal to both pin 18 and 19 in order for the chip to function properly.

If you want something easier to tell if your chip is working, connect an LED between Vcc and one of the pins on port 1, if possible. Then write a small assembly language program to toggle the pin. Using a C program to test an initial setup can be difficult because you might not be able to isolate where the problem actually is occuring (code vs. hardware).

Here is a very poor but simple way of testing it out if the LED is connected between Vcc and P1.0 (through a resistor, of course!). This code should cause the LED to turn on and off at a fair rate. If you want to single-step through this in an emulator, take out the DJNZ instructions.

      ORG 0000h
LOOP: MOV A, P1
      XRL A, #01h
      MOV P1, A
      CLR A
      MOV R0, A
      MOV R1, A
      DJNZ R0, $
      DJNZ R1, $
      SJMP LOOP
      END

I used 11.0592 Mhz clock in pin # 19 then grounded the uC and put 5v vcc.

You need to connect the crystal to both pin 18 and 19 in order for the chip to function properly.

If you want something easier to tell if your chip is working, connect an LED between Vcc and one of the pins on port 1, if possible. Then write a small assembly language program to toggle the pin. Using a C program to test an initial setup can be difficult because you might not be able to isolate where the problem actually is occuring (code vs. hardware).

Here is a very poor but simple way of testing it out if the LED is connected between Vcc and P1.0 (through a resistor, of course!). This code should cause the LED to turn on and off at a fair rate. If you want to single-step through this in an emulator, take out the DJNZ instructions.

      ORG 0000h
LOOP: MOV A, P1
      XRL A, #01h
      MOV P1, A
      CLR A
      MOV R0, A
      MOV R1, A
      DJNZ R0, $
      DJNZ R1, $
      SJMP LOOP
      END

Why not just use the following?

CSEG AT 0
   XRL   P1, #0xFF
   LJMP  0