/* ****************Serial.c********
  Jonathan W. Valvano   Feb 26, 1997
  Simple I/O routines to serial port */
char InChar(void){
	while ((SSR & RDF) == 0);
	return(SDR);
}
void OutChar(char data){
	while ((SSR & TBE) == 0);
	SDR = data;
	if(data==CR){   /* if CR add LF */
	   while((SSR & TBE) == 0);
	   SDR = LF;}
	else if(data==LF){ /* if LF add CR */
	   while((SSR & TBE) == 0);
	   SDR = CR;}
}
/* Output Unsigned Decimal */
void OutUDec(unsigned int data){
unsigned int num,i,n; char digit,string[5];
    num=data; n=0;
	OutChar(space);
	do{
	  digit=num%10;   // form string in reverse order
	  num=num/10;
	  string[n]=0x30|digit;
	  n++;}
	while(num!=0);
  	for(i=1;i<=n;i++) OutChar(string[n-i]); }

/* Output Signed Decimal */
void OutSDec(int data){
    if(data<0){OutChar(0x2D); OutUDec(-data);}
	else OutUDec(data);}

/* Output String */
void OutString(char *pt){ char letter;
    while (letter=*pt++)OutChar(letter);}