doubt

[saavanan]

guys please help me.i want proteses simulation for this code

 

 

 

#include <REGX51.H>

sbit LED1=P1^0;

sbit LED2=P1^1;

sbit LED3=P1^2;

sbit LED4=P1^3;

void call_blink(unsigned char dat);

void delay(void);

void main()

{

TMOD=0x05;

TH0=0xff;   //for 12MHz   (12/12MHZ)=1u>per cycle operation

TL0=0xf0;

TR0=1;

while(TF0==0)

{  

call_blink(TL0&0x0f);

} 

if(TF0==1)

{

TF0=0;

call_blink(0xff);

}

}

void call_blink(unsigned char dat)

{

if(dat==0xff)

{

while(1)

{

LED1=0;delay();

LED1=1;delay();

}

}

if(dat==0x01)

LED2=0;

if(dat==0x04)

LED3=0;

if(dat==0x08)

LED4=0;

}

/******************delay**********************/

void delay(void)

{

unsigned char i;

for(i=0;i<255;i++)

{

for(i=0;i<255;i++);

}

}

 

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