else

/* now P5C0 change to low

*/

{

 

 

CNT_L2++;

 

 

}

/* generate a high pulse

*/

invert=invert^2;

}

 

 

if ((int_c&0x4)!=0)

 

 

{

/* now P8C0 change to high

*/

if ((new_int_state&0x04)!=0)

{

 

 

CNT_H3++;

 

 

}

/* now P8C0 change to low

*/

else

{

 

 

CNT_L3++;

 

 

}

/* generate a high pulse

*/

invert=invert^4;

}

 

 

if ((int_c&0x8)!=0)

 

 

{

/* now P11C0 change to high

*/

if ((new_int_state&0x08)!=0)

{

 

 

CNT_H4++;

 

 

}

/* now P11C0 change to low

*/

else

{

 

 

CNT_L4++;

 

 

}

/* generate a high pulse

*/

invert=invert^8;

}

 

 

now_int_state=new_int_state;

 

 

outportb(wBase+0x2a,invert);

 

 

if (wIrq>=8) outportb(A2_8259,0x20); outportb(A1_8259,0x20);

}

OME-PIO-D96 User Manual (Ver.1.1, Mar/2003)

---- 47

Page 49
Image 49
Omega Engineering OME-PIO-D96 manual