Problem in changing interrupt vector base address

Hi,

I'm facing some problem in 8051 microcontroller(cygnal family).
If we changed the default base address of interrupt vector(0x0000)to different base address, while simulating and debugging it with Keil Compiler, it goes to default base address of interrupt vector(0x0000).
(Here default base address of interrupt vector is changed using INTVECTOR
directive of pragma and also put in C51 Tab of Target Options).

How to divert the compiler into a new different base address.

(code is attached below).

Regards,
Saravanan
(saravan78@yahoo.com)



#pragma iv(0x1000);

#include<c8051f020.h>

int Mil_Sec=0;
int overflow_count=0;
int sec;



void main()
{
TMOD = 0x20;
CKCON = 0x10;
TH1 = 256 - 250;
TL1 = TH1;
ET1 = 1;
TR1 = 1;
EA = 1;
while(1)
{
if(Mil_Sec>=1000)
{
sec++;
}
}
}



void timer1_ISR (void) reentrant interrupt 3
{
overflow_count++;
if(overflow_count > 4)
{
Mil_Sec++;
overflow_count =0;
overflow_count =0;
}

}