//---------------------------------------------------------------
// EXAMPLE EX5.C :  Demonstrate the DO statement.
//
// C.P. Diduch, Dec 1999.
//---------------------------------------------------------------
#define	KEY_PA	0x138	 // 82C55A port addresses for PA,
#define KEY_PB 	0x13A	 // PB,
#define KEY_PC 	0x13C	 // PC and the
#define KEY_CON	0x13E 	 // Control Register.

#include <conio.h> 	 // conio.h contains prototypes for 
			 // inportb() and outportb(). 
//---------------------------------------------------------------
void main()
{
char i;

outportb(KEY_CON,0x82);	 // Initialize 82C55A PPI with ports 
			 // KEY_PC and KEY_PA as OP ports and 
			 // port PB as an IP port.
i = 0;
do {
   i++;
   outportb(KEY_PC, i);
   } while (i <= 10);
}