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<h2>main.c</h2> 
 //Yee Yik &amp; Andreas Lundgren
 //Digital Project Fall 2001
 //Group 16
 
 //Main program
 &nbsp;
 #include "IO-reg.h"
 #include "checkNumPad.h"
 #include "LCD_driver.h"
 #include "buttonHandler.h"
 #include "measureMode.h"
 
 char writePosition;
 unsigned int adjustmentNumber;
 unsigned long measuredTime;
 unsigned int nbrOverflow;
 unsigned int deltaF;
 
 void main (void) {
 
 &nbsp; &nbsp; char button;
 &nbsp; &nbsp; unsigned int temp_nbrOf;&nbsp; //temparary store # of overflow so we can restore the original value later
 &nbsp;
 &nbsp; &nbsp; /*Initialise the LCD*/
 &nbsp; &nbsp; initLCD();
 &nbsp; &nbsp; //set position to kolumn 1, row 2.
 &nbsp; &nbsp; writePosition = 0x40;
 
 &nbsp; &nbsp; //set PORTA, bit 3, as input
 &nbsp; &nbsp; PACTL &amp;= 0xF7;
 
 &nbsp; &nbsp; //Turn flash trigger off.
 &nbsp; &nbsp; PORTD &amp;= 0xEF;&nbsp; &nbsp;
 
 &nbsp; &nbsp; //set PORTD, bit 4, as output, rest as input
 &nbsp; &nbsp; DDRD |= 0x10;
 &nbsp; &nbsp; DDRD &amp;= 0xD0;
 &nbsp; &nbsp;
 &nbsp; &nbsp; measuredTime = 0;
 &nbsp; &nbsp; adjustmentNumber = 0;
 &nbsp; &nbsp; nbrOverflow = 0;
 &nbsp; &nbsp; deltaF = 0;
 
 &nbsp; &nbsp; while (1){
 &nbsp; &nbsp; /*Check if a buton is pressed, and use the result to display on LCD right away
 &nbsp; &nbsp; &nbsp; then wait for the bouncing of 0&amp;1 result from button pressing to stop,
 &nbsp; &nbsp; &nbsp; wait for button is released,
 &nbsp; &nbsp; &nbsp; and wait for the bouncing result from releasing button to stop*/
 
 &nbsp; &nbsp; if ((PORTA &amp; 8) != 0){
 &nbsp; &nbsp; &nbsp; &nbsp; PORTB &amp;= 0xF7; //Turn light diode off;
 &nbsp; &nbsp; &nbsp; &nbsp; if ((PORTA &amp; 4) != 0){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; startMeasure();
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; measuredTime = nbrOverflow;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; measuredTime = measuredTime * 0xFFFF;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; measuredTime = measuredTime + deltaF;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_long_position(0, measuredTime);
 &nbsp; &nbsp; &nbsp; &nbsp; } else {
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; temp_nbrOf = nbrOverflow;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; startShooting();
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; nbrOverflow = temp_nbrOf;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; while ((PORTA &amp; 8) != 0){} // Waiting for button to be released
 &nbsp; &nbsp; }
 &nbsp; &nbsp; PORTB |= 0x08; //Turn light diode on;
 &nbsp; &nbsp;
 &nbsp; &nbsp; button = checkNumPad();&nbsp;
 &nbsp; &nbsp; if ((button) &gt; 0){
 &nbsp; &nbsp; &nbsp; &nbsp; button_handler(button);
 &nbsp; &nbsp; &nbsp; &nbsp; wait_bouncing();
 &nbsp; &nbsp; &nbsp; &nbsp; wait_button_release();
 &nbsp; &nbsp; &nbsp; &nbsp; wait_bouncing();
 &nbsp; &nbsp; }&nbsp; //end of if (button is pressed)&nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; } //end of while loop
 }
 
 
 <h2>buttonHandler.h</h2> 
 void button_handler(char button);
 char *long_to_string(long number);
 
 
 <h2>buttonHandler.c</h2> 
 //Yee Yik &amp; Andreas Lundgren
 //Digital Project Fall 2001
 //Group 16
 
 /*Button handler program
 &nbsp; Get a button 1-16 and handles it.*/
 &nbsp;
 #include "LCD_driver.h"
 
 extern char writePosition;
 extern int adjustmentNumber;
 extern long measuredTime;
 extern unsigned int nbrOverflow;
 extern unsigned int deltaF;
 
 
 char *long_to_string(long number)
 {
 &nbsp; char string[11];
 &nbsp; short pos2 = 9;
 &nbsp;
 &nbsp; while (number &gt; 0)
 &nbsp; {
 &nbsp; &nbsp; &nbsp; string[pos2] = (number % 10) + '0';
 &nbsp; &nbsp; &nbsp; number = number / 10;
 &nbsp; &nbsp; &nbsp; pos2--;
 &nbsp; }
 &nbsp; string[10] = 0;
 &nbsp; return &amp;string[++pos2];
 }
 
 //char button_handler(char button, char writePosition)
 void button_handler(char button)
 {
 &nbsp; switch (button)
 &nbsp; {
 &nbsp; &nbsp; &nbsp; case 1:
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 2:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 7;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'7');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 3:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 4;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'4');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 4:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 1;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'1');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 5:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 0;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'0');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 6:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 8;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'8');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 7:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 5;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'5');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 8:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 2;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'2');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 9:
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 10:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 9;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'9');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 11:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 6;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'6');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 12:
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &lt; 0x44){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber * 10) + 3;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(writePosition,'3');
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition++;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 13: //a backspace button
 &nbsp; &nbsp; &nbsp; &nbsp; if (writePosition &gt; 0x40){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(--writePosition, 20);&nbsp; //write a space to the position
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = (adjustmentNumber / 10);
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 14:
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 15:&nbsp; //minus sign
 &nbsp; &nbsp; &nbsp; &nbsp; if ((measuredTime - adjustmentNumber) &gt; 0){
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; clear_display();
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; measuredTime = measuredTime - adjustmentNumber;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (deltaF &lt; adjustmentNumber)
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; nbrOverflow--;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; deltaF = deltaF - adjustmentNumber;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; write_long_position(0x0,measuredTime);
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; writePosition = 0x40;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = 0;
 &nbsp; &nbsp; &nbsp; &nbsp; }
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; &nbsp; &nbsp; case 16:&nbsp; //plus sign
 &nbsp; &nbsp; &nbsp; &nbsp; clear_display();
 &nbsp; &nbsp; &nbsp; &nbsp; measuredTime = measuredTime + adjustmentNumber;
 &nbsp; &nbsp; &nbsp; &nbsp; deltaF = deltaF + adjustmentNumber;
 &nbsp; &nbsp; &nbsp; &nbsp; if (deltaF &lt; adjustmentNumber)&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; nbrOverflow++;
 &nbsp; &nbsp; &nbsp; &nbsp; write_long_position(0x0,measuredTime);
 &nbsp; &nbsp; &nbsp; &nbsp; writePosition = 0x40;
 &nbsp; &nbsp; &nbsp; &nbsp; adjustmentNumber = 0;
 &nbsp; &nbsp; &nbsp; &nbsp; break;
 &nbsp; }
 &nbsp;
 }
 
 
 <h2>checkNumPad.h</h2> 
 char sweep(void);
 void wait_bouncing(void);
 void wait_button_release(void);
 char checkNumPad (void);
 
 
 <h2>checkNumPad.c</h2> //Yee Yik &amp; Andreas Lundgren
 //Digital Project Fall 2001
 //Group 16
 
 /*Keypad input program
 &nbsp; Read input from keypad and send corresponding signal to LCD*/
 &nbsp;
 #include "IO-reg.h"
 
 char sweep() {
 &nbsp;
 &nbsp; if ((PORTD &amp; 0x0F) == 0)
 &nbsp; &nbsp; return 0;
 &nbsp; &nbsp;
 &nbsp; else if ((PORTD &amp; 0x01) != 0 )
 &nbsp; &nbsp; &nbsp; &nbsp; return 1;
 &nbsp; &nbsp;
 &nbsp; else if&nbsp; ((PORTD &amp; 0x02) != 0 )
 &nbsp; &nbsp; return 2;
 &nbsp; &nbsp;
 &nbsp; else if ((PORTD &amp; 0x04) != 0)
 &nbsp; &nbsp; return 3;
 &nbsp; &nbsp;
 &nbsp; else if ((PORTD &amp; 0x08) != 0)
 &nbsp; &nbsp; return 4;
 &nbsp; &nbsp;
 &nbsp; else
 &nbsp; &nbsp; return 0;&nbsp;
 &nbsp; &nbsp;
 } //end of sweep()
 
 char checkNumPad () {
 &nbsp;
 &nbsp; &nbsp; char button = 0;
 &nbsp; &nbsp; //set PORTB to 1000xxxx (ie set PB7 to 1)
 &nbsp; &nbsp; PORTB &amp;= 0x0F;&nbsp;
 &nbsp; &nbsp; PORTB |= 0x80;
 &nbsp;
 &nbsp; &nbsp; if ((button = sweep()) &gt; 0)&nbsp; //some button is pressed
 &nbsp; &nbsp; &nbsp; return button;
 &nbsp;
 &nbsp; &nbsp; //set PORTB to 0100xxxx (ie set PB6 = 1)
 &nbsp; &nbsp; PORTB &amp;= 0x0F;&nbsp;
 &nbsp; &nbsp; PORTB |= 0x40;
 &nbsp; &nbsp;
 &nbsp; &nbsp; if ((button = sweep()) &gt; 0)&nbsp; //some button is pressed
 &nbsp; &nbsp; &nbsp; return (button + 4);
 &nbsp;
 &nbsp; &nbsp; //set PORTB to 0010xxxx (ie set PB5 = 1)
 &nbsp; &nbsp; PORTB &amp;= 0x0F;&nbsp;
 &nbsp; &nbsp; PORTB |= 0x20;
 &nbsp;
 &nbsp; &nbsp; if ((button = sweep()) &gt; 0)&nbsp; //some button is pressed
 &nbsp; &nbsp; &nbsp; return (button + 8);
 &nbsp;
 &nbsp;
 &nbsp; &nbsp; //set PORTB to 0001xxxx (ie set PB4 = 1)
 &nbsp; &nbsp; PORTB &amp;= 0x0F;&nbsp;
 &nbsp; &nbsp; PORTB |= 0x10;
 &nbsp;
 &nbsp; &nbsp; if ((button = sweep()) &gt; 0)&nbsp; //some button is pressed
 &nbsp; &nbsp; &nbsp; return (button + 12);
 &nbsp;
 &nbsp; return 0;
 &nbsp; &nbsp;
 } //end of checkNumPad()
 
 void wait_bouncing() {
 
 &nbsp; char i;
 &nbsp; //For-loop is 26 clk:s, i=100 &amp; 8 MHz =&gt; 300 us
 &nbsp; for (i = 100; i &gt;0; i--)
 &nbsp; {}
 } //end of wait_release()
 
 void wait_button_release() {
 &nbsp; while (checkNumPad() &gt; 0)
 &nbsp; {}
 } //end of wait_button_release()
 
 
 <h2>LCD_driver.h</h2> 
 void write_character_position(char pos, char ch);
 &nbsp; //write character ch at position pos on the LCD
 void write_string_position(char pos, char *string);
 &nbsp; //write string of character at position pos on the LCD
 void write_long_position(char pos, long number);
 &nbsp; //write long at position po on the LCD
 void clear_display(void);
 &nbsp; //clear display
 void initLCD(void);
 
 //temporary
 void put_character(char ch);
 
 
 <h2>LCD_driver.c</h2> 
 #include "int6811.h"
 #include "io6811.h"
 
 char ch;
 int x;
 
 void testBF (void)
 {
 &nbsp; &nbsp; DDRC = 0;
 &nbsp; &nbsp; PORTB &amp;= 0xF8;&nbsp; //retain other value in PB[3:7]
 &nbsp; &nbsp; PORTB |= 0x03;&nbsp; //set E = 1, R/W = 1, RS = 0
 &nbsp; &nbsp; while (PORTC&amp;0x80) { }&nbsp; //wait until busy flag is off
 }
 
 void put(char ch)
 {
 &nbsp; &nbsp; PORTC = ch;
 &nbsp; &nbsp; DDRC = 0xFF;&nbsp; //enable PORTC as output
 &nbsp; &nbsp; PORTB |= 0x01; //set Enable to 1, ie read from PORTC
 &nbsp; &nbsp; PORTB &amp;=0xFE;&nbsp; //set Enable to 0, other value unchange
 &nbsp; &nbsp; DDRC = 0;&nbsp; &nbsp; &nbsp; //disable PORTC as output&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 }
 
 void set_command(void)
 {
 &nbsp; &nbsp; PORTB &amp;= 0xF9;&nbsp; //write to instruction register, RS = 0, R/W = 0, E = x
 }
 
 void set_character(void)
 {
 &nbsp; &nbsp; PORTB |= 0x04;
 &nbsp; &nbsp; PORTB &amp;= 0xFD;&nbsp; //write to data register, RS = 1, R/W = 0, E = x
 }
 
 void put_command(char ch)
 {
 &nbsp; &nbsp; testBF();
 &nbsp; &nbsp; set_command();
 &nbsp; &nbsp; put(ch);
 }
 
 void put_character(char ch)
 {
 &nbsp; &nbsp; testBF();
 &nbsp; &nbsp; set_character();
 &nbsp; &nbsp; put(ch);
 }
 
 void wait_15ms(void)
 {
 &nbsp; &nbsp; for (x = 4700; x != 0; x--); {}
 &nbsp; &nbsp; //for-loop is 26 clk:s
 }
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 void initLCD(void)
 {
 &nbsp; &nbsp; wait_15ms();
 &nbsp; &nbsp; set_command();
 &nbsp; &nbsp; put(0x38);
 &nbsp; &nbsp; wait_15ms();
 &nbsp; &nbsp; put(0x38);
 &nbsp; &nbsp; wait_15ms();
 &nbsp; &nbsp; put(0x38);
 &nbsp; &nbsp; put_command(0x38);
 &nbsp; &nbsp; put_command(0x01);
 &nbsp; &nbsp; put_command(0x06);&nbsp; &nbsp;
 &nbsp; &nbsp; put_command(0x0C);
 }
 
 void clear_display()
 {
 &nbsp; put_command(0x01);
 }
 
 void write_character_position(char pos, char ch)
 {
 &nbsp; &nbsp; put_command(128+pos);&nbsp; &nbsp;
 &nbsp; &nbsp; put_character(ch);
 }
 
 void write_string_position(char pos, char *string)
 {
 &nbsp; &nbsp; put_command(128+pos);&nbsp; &nbsp; //+0x40
 &nbsp; &nbsp; while (*string != 0)
 &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; &nbsp; &nbsp; put_character(*string);
 &nbsp; &nbsp; &nbsp; &nbsp; string++;
 &nbsp; &nbsp; }
 }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 
 void write_long_position(char pos, long number)

{
 &nbsp; &nbsp; char i = 15;
 &nbsp; &nbsp; if (number == 0){&nbsp; &nbsp;
 &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(pos+i,'0');
 &nbsp; &nbsp; }
 &nbsp; &nbsp; while (number != 0)
 &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; &nbsp; &nbsp; write_character_position(pos+i,(number % 10) + '0');
 &nbsp; &nbsp; &nbsp; &nbsp; number = number / 10;
 &nbsp; &nbsp; &nbsp; &nbsp; i--;
 &nbsp; &nbsp; }
 }
 
 
 <h2>measureMode.h</h2> 
 void startMeasure();
 void startShooting();
 
 
 <h2>measureMode.c</h2> 
 //Enable time capture interrupt from PORTA[0:1]
 #include "IO-reg.h"
 #include "Vectors.h"
 #include <intr6811.h>
 
 extern unsigned int nbrOverflow;
 char waitingForInterrupt;
 unsigned int foil1;
 unsigned int foil2;
 extern unsigned int deltaF;
 char waitingForInterrupt2;&nbsp; &nbsp;
 char inMeasureMode;
 unsigned int i;
 &nbsp; &nbsp;
 /*MEASURE MODE*/&nbsp; &nbsp;
 void startMeasure() {
 &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; waitingForInterrupt = 1;
 &nbsp; &nbsp; foil1 = foil2 = 0;
 &nbsp; &nbsp; inMeasureMode = 1;
 &nbsp;
 &nbsp; &nbsp; //Capture falling edge only
 &nbsp; &nbsp; TCTL2 |= 0x0A; //xxxx 1x1x
 &nbsp; &nbsp; TCTL2 &amp;= 0xFA; //xxxx x0x0
 
 &nbsp; &nbsp; //clear flag first for PA0 &amp; PA1
 &nbsp; &nbsp; TFLG1 = 0x03;
 &nbsp; &nbsp; //clear flag first for timer Overflow
 &nbsp; &nbsp; TFLG2 = 0x80;
 
 &nbsp; &nbsp; //Enable PORTA[0:1] for time capture
 &nbsp; &nbsp; TMSK1 |= 0x03; //xxxx xx11
 &nbsp; &nbsp;
 &nbsp; &nbsp; enable_interrupt();
 &nbsp; &nbsp;
 //start
 &nbsp; &nbsp; while (waitingForInterrupt == 1) /*ADD IF TIME PASSED IS TOO LONG, THEN RETURN*/
 &nbsp; &nbsp; {
 &nbsp; &nbsp; &nbsp; &nbsp; wait_for_interrupt();
 &nbsp; &nbsp; }
 &nbsp; &nbsp;
 &nbsp; &nbsp; disable_interrupt();
 
 &nbsp; &nbsp; if (foil2 &gt;= foil1)
 &nbsp; &nbsp; &nbsp; deltaF = foil2-foil1;
 &nbsp; &nbsp; else {
 &nbsp; &nbsp; &nbsp; deltaF = 0xFFFF - foil1 + foil2;
 &nbsp; &nbsp; &nbsp; nbrOverflow--;
 &nbsp; &nbsp; }
 &nbsp; &nbsp;
 }&nbsp; //end of startMeasure()
 
 
 /*SHOOTING MODE*/
 void startShooting() {
 
 &nbsp; waitingForInterrupt2 = 1;
 &nbsp; foil1 = 0;
 &nbsp; inMeasureMode = 0;
 &nbsp;
 &nbsp; //Turn flash trigger off.
 &nbsp; PORTD &amp;= 0xEF;
 &nbsp;
 &nbsp; //Capture falling edge only
 &nbsp; TCTL2 |= 0x0A; //xxxx 1x1x
 &nbsp; TCTL2 &amp;= 0xFA; //xxxx x0x0
 &nbsp;
 &nbsp; //clear flag first for PA0
 &nbsp; TFLG1 = 0x01;
 &nbsp; //clear flag first for timer Overflow
 &nbsp; TFLG2 = 0x80;
 &nbsp;
 &nbsp; //Enable PORTA[0] for time capture
 &nbsp; TMSK1 |= 0x01; //xxxx xxx1
 &nbsp;
 &nbsp; //set PA4 as output campare pin
 &nbsp; OC1M |= 0x10;&nbsp;
 &nbsp; &nbsp;
 &nbsp; enable_interrupt();
 &nbsp;
 //start&nbsp;
 
 &nbsp; while(waitingForInterrupt2 == 1) {
 &nbsp; &nbsp; wait_for_interrupt();
 &nbsp; }
 
 &nbsp; disable_interrupt();
 &nbsp; for (i=0; i &lt; 1000; i++){}
 &nbsp; //Turn flash trigger off.
 &nbsp; PORTD &amp;= 0xEF;
 }
 
 //Timer Ovwerflow
 interrupt void TO_interrupt()
 {
 &nbsp; &nbsp; nbrOverflow++;
 &nbsp; &nbsp;
 &nbsp; &nbsp; //clear flag Timer Overflow
 &nbsp; &nbsp; TFLG2 = 0x80;
 }
 
 //PA0, first foil, interrupt which cause the system to start counting
 interrupt void IC3_interrupt()
 {
 &nbsp; &nbsp; //clear flag Timer Overflow
 &nbsp; &nbsp; TFLG2 = 0x80;
 
 &nbsp; &nbsp; foil1 = TIC3;&nbsp; &nbsp; //store captured time from TIC 3 to foil1
 
 &nbsp; &nbsp; if (! inMeasureMode) {
 &nbsp; &nbsp; &nbsp; if (nbrOverflow &gt; 0)
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TOC4 = foil1;
 &nbsp; &nbsp; &nbsp; else
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; TOC4 = deltaF + foil1;
 &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; &nbsp; //clear flag first for PA4
 &nbsp; &nbsp; &nbsp; TFLG1 = 0x10;
 &nbsp; &nbsp; &nbsp; //Enable OC4 interrupt
 &nbsp; &nbsp; &nbsp; TMSK1 |= 0x10;
 &nbsp; &nbsp; }&nbsp; //end of if (!inMeasureMode)&nbsp; &nbsp;
 &nbsp; &nbsp; else {
 &nbsp; &nbsp; &nbsp; //Enable Timer Overflow
 &nbsp; &nbsp; &nbsp; TMSK2 |= 0x80;
 &nbsp; &nbsp; }
 &nbsp; &nbsp;
 &nbsp; &nbsp; //clear flag first for PA0
 &nbsp; &nbsp; TFLG1 = 0x01;
 &nbsp; &nbsp; //Disable IC3 interrupt
 &nbsp; &nbsp; TMSK1 &amp;= 0xFE; //xxxx xxx0
 
 }
 
 //end measurement
 interrupt void IC2_interrupt()
 {
 &nbsp; &nbsp; foil2 = TIC2;
 
 &nbsp; &nbsp; //clear flag first for PA1
 &nbsp; &nbsp; TFLG1 = 0x02;
 &nbsp; &nbsp; //Disable IC2 interrupts
 &nbsp; &nbsp; TMSK1 &amp;= 0xFD; //xxxx xx0x
 &nbsp; &nbsp; //Disable Timer Ovewflow
 &nbsp; &nbsp; TMSK2 &amp;= 0x7F;
 &nbsp; &nbsp;
 &nbsp; &nbsp; waitingForInterrupt = 0;
 }
 
 interrupt void OC4_interrupt()
 {
 &nbsp; &nbsp; foil2 = TCNT;
 
 &nbsp; &nbsp; if (nbrOverflow == 0) {
 &nbsp; &nbsp; &nbsp; PORTD |= 0x10;&nbsp; //Turn flash trigger on.
 &nbsp; &nbsp; &nbsp; waitingForInterrupt2 = 0; //Exit while-loop in startShooting()
 &nbsp; &nbsp; &nbsp; //Disable OC4 interrupts
 &nbsp; &nbsp; &nbsp; TMSK1 &amp;= 0xEF; //xxx0 xxxx
 &nbsp; &nbsp; } else if (nbrOverflow == 1) {
 &nbsp; &nbsp; &nbsp; TOC4 = deltaF + foil2;
 &nbsp; &nbsp; &nbsp; nbrOverflow--;
 &nbsp; &nbsp; } else {
 &nbsp; &nbsp; &nbsp; TOC4 = foil2;
 &nbsp; &nbsp; &nbsp; nbrOverflow--;
 &nbsp; &nbsp; }
 &nbsp; &nbsp;
 &nbsp; &nbsp; //clear flag first for PA4
 &nbsp; &nbsp; TFLG1 = 0x10;
 }
 
 
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </intr6811.h><h3>CSTARTUP.S07</h3>&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; This module contains the 68HC11 startup routine and&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; must usually be tailored to suit special hardware needs&nbsp; &nbsp; &nbsp; *
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; Note:&nbsp; The routine ?SEG_INIT_L07 is now included in CSTARTUP *
 *&nbsp; The size of stack is set in the link-file (lnk6???.xcl)&nbsp; &nbsp; &nbsp; *
 *&nbsp; The segment INTVEC is declared COMMON&nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; Version:&nbsp; &nbsp; 3.30 [IHAW 11/Feb/92]&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; Revised:&nbsp; &nbsp; 3.31 [IHAW 07/Jul/92] Bug in stack init&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; Revised:&nbsp; &nbsp; 3.32 [IJAR 06/Mar/93] Startup code for K4 added&nbsp; *
 *&nbsp; Revised:&nbsp; &nbsp; 4.11 [IMAI 29/Oct/96] Updated for ICC6811 4.11&nbsp; *
 *&nbsp; [SN 19/jan/98] Updated for Digitala projekt&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *---------------------------------------------------------------*
 &nbsp; &nbsp; NAME&nbsp; &nbsp; CSTARTUP
 &nbsp; &nbsp; EXTERN&nbsp; &nbsp; ?C_EXIT&nbsp; &nbsp; ; Where to go when program is done
 &nbsp;
 &nbsp; &nbsp; EXTERN&nbsp; &nbsp; main&nbsp; &nbsp; &nbsp; &nbsp; ; Where to begin execution
 
 *---------------------------------------------------------------*
 *&nbsp; CSTACK - The C stack segment&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *&nbsp; Please look in the link-file ??????.xcl how to increment&nbsp; &nbsp; *
 *&nbsp; the stack without having to reassemble cstartup.s07 !&nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CSTACK
 &nbsp; &nbsp; RMB&nbsp; &nbsp; 0&nbsp; &nbsp; &nbsp; &nbsp; ; A bare minimum !!
 
 *---------------------------------------------------------------*
 *&nbsp; Forward declarations of segments used in initialization&nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; UDATA0
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; UDATA1
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; IDATA0
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; IDATA1
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; ECSTR
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; WCSTR
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CDATA0
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CDATA1
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CCSTR
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CONST
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; CSTR
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; TEMP
 
 &nbsp; &nbsp;
 *---------------------------------------------------------------*
 *&nbsp; RCODE - Where the program actually starts&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; RCODE
 init_C:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; LDS&nbsp; &nbsp; #$00FF&nbsp; &nbsp; ; #$01FF for 68HC11E9
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ; #$02FF for 68HC11E20
 
 *---------------------------------------------------------------*
 * If the 68HC11 OPTION register MUST be modified, here is the&nbsp; *
 * place to do it in order to meet the 64-cycle requirement.&nbsp; &nbsp; *
 * You can also do it in the beginning of main if You don't use&nbsp; *
 * seg_init&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; LDAA #$00&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ;store value 00000000 in TMSK2 to set the speed of TCNT. (500 ns)
 &nbsp; &nbsp; STAA $1024
 
 *---------------------------------------------------------------*
 * If it is not a requirement that static/global data is set&nbsp; &nbsp; *
 * to zero or to some explicit value at startup, the next line&nbsp; *
 * of code can be deleted.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
 &nbsp; &nbsp; BSR&nbsp; &nbsp; seg_init
 
 *---------------------------------------------------------------*
 * If hardware must be initiated from assembly or if interrupts&nbsp; *
 * should be on when reaching main, this is the place to insert&nbsp; *
 * such code.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; JSR&nbsp; &nbsp; main&nbsp; &nbsp; &nbsp; &nbsp; main()
 
 *---------------------------------------------------------------*
 * Now when we are ready with our C program (usually 6811&nbsp; &nbsp; &nbsp; &nbsp; *
 * programs are continouous) we must perform a system-dependent&nbsp; *
 * action.&nbsp; In this simple case we jump to ?C_EXIT.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 * DO NOT CHANGE NEXT LINE OF CSTARTUP IF YOU WANT TO RUN YOUR&nbsp; *
 * SOFTWARE WITH THE AID OF THE C-SPY HLL DEBUGGER.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 &nbsp; &nbsp; JMP&nbsp; &nbsp; ?C_EXIT&nbsp; &nbsp;
 
 
 *---------------------------------------------------------------*
 *&nbsp; Copy initialized PROMmed code to shadow RAM and clear&nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; uninitialized variables.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 seg_init:
 
 *---------------------------------------------------------------*
 *&nbsp; Zero out UDATA segments&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; LDD&nbsp; &nbsp; #.SFE.(UDATA0)
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #.SFB.(UDATA0)
 &nbsp; &nbsp; BEQ&nbsp; &nbsp; SKIP00
 &nbsp; &nbsp; XGDY
 &nbsp; &nbsp; LDX&nbsp; &nbsp; #.SFB.(UDATA0)
 &nbsp; &nbsp; BSR&nbsp; &nbsp; zero_mem
 SKIP00
 
 &nbsp; &nbsp; LDD&nbsp; &nbsp; #.SFE.(UDATA1)
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #.SFB.(UDATA1)
 &nbsp; &nbsp; BEQ&nbsp; &nbsp; SKIP01
 &nbsp; &nbsp; XGDY
 &nbsp; &nbsp; LDX&nbsp; &nbsp; #.SFB.(UDATA1)
 &nbsp; &nbsp; BSR&nbsp; &nbsp; zero_mem
 SKIP01
 
 *---------------------------------------------------------------*
 * Copy CDATA segments into IDATA segments&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; LDD&nbsp; &nbsp; #.SFE.(CDATA0)
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #.SFB.(CDATA0)
 &nbsp; &nbsp; BEQ&nbsp; &nbsp; SKIP02
 &nbsp; &nbsp; LDX&nbsp; &nbsp; #.SFB.(CDATA0)
 &nbsp; &nbsp; LDY&nbsp; &nbsp; #.SFB.(IDATA0)
 &nbsp; &nbsp; BSR&nbsp; &nbsp; copy_mem
 SKIP02
 
 &nbsp; &nbsp; LDD&nbsp; &nbsp; #.SFE.(CDATA1)
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #.SFB.(CDATA1)
 &nbsp; &nbsp; BEQ&nbsp; &nbsp; SKIP03
 &nbsp; &nbsp; LDX&nbsp; &nbsp; #.SFB.(CDATA1)
 &nbsp; &nbsp; LDY&nbsp; &nbsp; #.SFB.(IDATA1)
 &nbsp; &nbsp; BSR&nbsp; &nbsp; copy_mem
 SKIP03
 
 *---------------------------------------------------------------*
 * Copy CCSTR into ECSTR&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; LDD&nbsp; &nbsp; #.SFE.(CCSTR)
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #.SFB.(CCSTR)
 &nbsp; &nbsp; BEQ&nbsp; &nbsp; SKIP04
 &nbsp; &nbsp; LDX&nbsp; &nbsp; #.SFB.(CCSTR)
 &nbsp; &nbsp; LDY&nbsp; &nbsp; #.SFB.(ECSTR)
 &nbsp; &nbsp; BSR&nbsp; &nbsp; copy_mem
 SKIP04
 &nbsp; &nbsp; RTS&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ; End of initialization
 
 *---------------------------------------------------------------*
 * Clear memory&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 zero_mem:
 &nbsp; &nbsp; CLR&nbsp; &nbsp; 0,X
 &nbsp; &nbsp; INX
 &nbsp; &nbsp; DEY
 &nbsp; &nbsp; BNE&nbsp; &nbsp; zero_mem
 &nbsp; &nbsp; RTS
 
 *---------------------------------------------------------------*
 *&nbsp; Copy memory&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; Copy (X) --&gt; (Y), counter in D&nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 *---------------------------------------------------------------*
 copy_mem:
 &nbsp; &nbsp; PSHA
 &nbsp; &nbsp; LDAA&nbsp; &nbsp; 0,X
 &nbsp; &nbsp; STAA&nbsp; &nbsp; 0,Y
 &nbsp; &nbsp; PULA&nbsp; &nbsp;
 &nbsp; &nbsp; INX
 &nbsp; &nbsp; INY
 &nbsp; &nbsp; SUBD&nbsp; &nbsp; #1
 &nbsp; &nbsp; BNE&nbsp; &nbsp; copy_mem
 &nbsp; &nbsp; RTS
 
 
 
 *---------------------------------------------------------------*
 *&nbsp; Interrupt vectors must be inserted by the user.&nbsp; &nbsp; Here we&nbsp; *
 *&nbsp; only used RESET.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 
 &nbsp; &nbsp; COMMON&nbsp; &nbsp; INTVEC
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ; Assuming start address = FFD6 for 68HC11
 &nbsp; &nbsp; RMB&nbsp; &nbsp; 40
 
 &nbsp; &nbsp; FDB&nbsp; &nbsp; init_C
 
 &nbsp; &nbsp; ENDMOD&nbsp; &nbsp; init_C&nbsp; &nbsp; &nbsp; &nbsp; ; 'init_C' is program entry address
 
 *---------------------------------------------------------------*
 * Function/module: exit(int code)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; *
 * When C-SPY is used this code will automatically be replaced&nbsp; *
 * by a 'debug' version of exit().&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 &nbsp; &nbsp; MODULE&nbsp; &nbsp; exit
 
 &nbsp; &nbsp; PUBLIC&nbsp; &nbsp; exit
 &nbsp; &nbsp; PUBLIC&nbsp; &nbsp; ?C_EXIT
 
 &nbsp; &nbsp; RSEG&nbsp; &nbsp; RCODE
 
 ?C_EXIT:
 exit:
 *---------------------------------------------------------------*
 * The next line could be replaced by user defined code.&nbsp; &nbsp; &nbsp; &nbsp; *
 *---------------------------------------------------------------*
 end_loop:
 &nbsp; &nbsp; BRA&nbsp; &nbsp; end_loop
 
 &nbsp; &nbsp; END
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 /*&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; - Vectors.h -
 
 &nbsp; This file defines the interrupt vector addresses of the 68HC11
 &nbsp; and appropriate function names that can be used with the interrupts.
 &nbsp; It is assumed that the segment INTVEC is located at address 0xFFD6.
 */
 
 #pragma language=extended
 
 #define INTVEC_START&nbsp; &nbsp; 0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Default for 68HC11 (must be matched
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; to the value used at link-time)&nbsp; */
 
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /*=======================*/
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Interrupt Definitions */
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /*=======================*/
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* SCI Serial Communication Interface */
 interrupt [INTVEC_START +&nbsp; 0] void SCI_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* SPI Serial Transfer Complete */
 interrupt [INTVEC_START +&nbsp; 2] void SPI_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Pulse Accumulator Input Edge */
 interrupt [INTVEC_START +&nbsp; 4] void PAIE_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Pulse Accumulator Overflow */
 interrupt [INTVEC_START +&nbsp; 6] void PAO_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Overflow */
 interrupt [INTVEC_START +&nbsp; 8] void TO_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Output Compare 5 */
 interrupt [INTVEC_START + 10] void OC5_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Output Compare 4 */
 interrupt [INTVEC_START + 12] void OC4_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Output Compare 3 */
 interrupt [INTVEC_START + 14] void OC3_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Output Compare 2 */
 interrupt [INTVEC_START + 16] void OC2_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Output Compare 1 */
 interrupt [INTVEC_START + 18] void OC1_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Input Compare 4 */
 interrupt [INTVEC_START + 10] void IC4_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Input Compare 3 */
 interrupt [INTVEC_START + 20] void IC3_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Input Compare 2 */
 interrupt [INTVEC_START + 22] void IC2_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Timer Input Compare 1 */
 interrupt [INTVEC_START + 24] void IC1_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Real Time Interrupt */
 interrupt [INTVEC_START + 26] void RTI_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Interrupt ReQuest */
 interrupt [INTVEC_START + 28] void IRQ_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* eXtended Interrupt ReQuest */
 interrupt [INTVEC_START + 30] void XIRQ_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* SoftWare Interrupt */
 interrupt [INTVEC_START + 32] void Software_interrupt(void);
 
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* Illegal Opcode Trap */
 interrupt [INTVEC_START + 34] void Illegal_Opcode(void);
 
 /* Watchdog and Clock Monitor are defined i cstartup.s07 */&nbsp;
 
 
 <h2>/* FILENAME: IO-reg.h</h2> *
 * Register and bit macro definitions for
 * all HC11 types in A and E series.
 *
 * Uppdatering 990917: volatile bara f�r PORTCL, SPSR och SCSR.
 *
 */
 
 #define REG_BASE 0x1000
 
 #define PORTA&nbsp; (*(unsigned char *)(REG_BASE + 0x00))
 #define PIOC&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x02))
 #define PORTC&nbsp; (*(unsigned char *)(REG_BASE + 0x03))
 #define PORTB&nbsp; (*(unsigned char *)(REG_BASE + 0x04))
 #define PORTCL&nbsp; (*(volatile unsigned char *)(REG_BASE + 0x05))
 #define DDRC&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x07))
 #define PORTD&nbsp; (*(unsigned char *)(REG_BASE + 0x08))
 #define DDRD&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x09))
 #define PORTE&nbsp; (*(unsigned char *)(REG_BASE + 0x0A))
 #define CFORC&nbsp; (*(unsigned char *)(REG_BASE + 0x0B))
 #define OC1M&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x0C))
 #define OC1D&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x0D))
 #define TCNT&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x0E))
 #define TIC1&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x10))
 #define TIC2&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x12))
 #define TIC3&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x14))
 #define TIC4&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x1E))
 #define TOC1&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x16))
 #define TOC2&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x18))
 #define TOC3&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x1A))
 #define TOC4&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x1C))
 #define TOC5&nbsp; &nbsp; (*(unsigned int *)(REG_BASE + 0x1E))
 #define TI4/O4&nbsp; (*(unsigned int *)(REG_BASE + 0x1E))
 #define TCTL1&nbsp; (*(unsigned char *)(REG_BASE + 0x20))
 #define TCTL2&nbsp; (*(unsigned char *)(REG_BASE + 0x21))
 #define TMSK1&nbsp; (*(unsigned char *)(REG_BASE + 0x22))
 #define TFLG1&nbsp; (*(unsigned char *)(REG_BASE + 0x23))
 #define TMSK2&nbsp; (*(unsigned char *)(REG_BASE + 0x24))
 #define TFLG2&nbsp; (*(unsigned char *)(REG_BASE + 0x25))
 #define PACTL&nbsp; (*(unsigned char *)(REG_BASE + 0x26))
 #define PACNT&nbsp; (*(unsigned char *)(REG_BASE + 0x27))
 #define SPCR&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x28))
 #define SPSR&nbsp; &nbsp; (*(volatile unsigned char *)(REG_BASE + 0x29))
 #define SPDR&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x2A))
 #define BAUD&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x2B))
 #define SCCR1&nbsp; (*(unsigned char *)(REG_BASE + 0x2C))
 #define SCCR2&nbsp; (*(unsigned char *)(REG_BASE + 0x2D))
 #define SCSR&nbsp; &nbsp; (*(volatile unsigned char *)(REG_BASE + 0x2E))
 #define SCDR&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x2F))
 #define ADCTL&nbsp; (*(unsigned char *)(REG_BASE + 0x30))
 #define ADR1&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x31))
 #define ADR2&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x32))
 #define ADR3&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x33))
 #define ADR4&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x34))
 #define BPROT&nbsp; (*(unsigned char *)(REG_BASE + 0x35))
 #define EPROG&nbsp; (*(unsigned char *)(REG_BASE + 0x36))
 #define OPTION&nbsp; (*(unsigned char *)(REG_BASE + 0x39))
 #define COPRST&nbsp; (*(unsigned char *)(REG_BASE + 0x3A))
 #define PPROG&nbsp; (*(unsigned char *)(REG_BASE + 0x3B))
 #define HPRIO&nbsp; (*(unsigned char *)(REG_BASE + 0x3C))
 #define INIT&nbsp; &nbsp; (*(unsigned char *)(REG_BASE + 0x3D))
 #define TEST1&nbsp; (*(unsigned char *)(REG_BASE + 0x3E))
 #define CONFIG&nbsp; (*(unsigned char *)(REG_BASE + 0x3F))
 
 /* Bit names for general use */
 #define bit7&nbsp; &nbsp; 0x80
 #define bit6&nbsp; &nbsp; 0x40
 #define bit5&nbsp; &nbsp; 0x20
 #define bit4&nbsp; &nbsp; 0x10
 #define bit3&nbsp; &nbsp; 0x08
 #define bit2&nbsp; &nbsp; 0x04
 #define bit1&nbsp; &nbsp; 0x02
 #define bit0&nbsp; &nbsp; 0x01
 
 /* PORTA bit definitions 0x00 */
 #define PA7&nbsp; &nbsp; bit7
 #define PA6&nbsp; &nbsp; bit6
 #define PA5&nbsp; &nbsp; bit5
 #define PA4&nbsp; &nbsp; bit4
 #define PA3&nbsp; &nbsp; bit3
 #define PA2&nbsp; &nbsp; bit2
 #define PA1&nbsp; &nbsp; bit1
 #define PA0&nbsp; &nbsp; bit0
 
 /* PIOC bit definitions 0x02 */
 #define STAF&nbsp; &nbsp; bit7
 #define STAI&nbsp; &nbsp; bit6
 #define CWOM&nbsp; &nbsp; bit5
 #define HNDS&nbsp; &nbsp; bit4
 #define OIN&nbsp; &nbsp; bit3
 #define PLS&nbsp; &nbsp; bit2
 #define EGA&nbsp; &nbsp; bit1
 #define INVB&nbsp; &nbsp; bit0
 
 /* PORTC bit definitions 0x03 */
 #define PC7&nbsp; &nbsp; bit7
 #define PC6&nbsp; &nbsp; bit6
 #define PC5&nbsp; &nbsp; bit5
 #define PC4&nbsp; &nbsp; bit4
 #define PC3&nbsp; &nbsp; bit3
 #define PC2&nbsp; &nbsp; bit2
 #define PC1&nbsp; &nbsp; bit1
 #define PC0&nbsp; &nbsp; bit0
 
 /* PORTB bit definitions 0x04 */
 #define PB7&nbsp; &nbsp; bit7
 #define PB6&nbsp; &nbsp; bit6
 #define PB5&nbsp; &nbsp; bit5
 #define PB4&nbsp; &nbsp; bit4
 #define PB3&nbsp; &nbsp; bit3
 #define PB2&nbsp; &nbsp; bit2
 #define PB1&nbsp; &nbsp; bit1
 #define PB0&nbsp; &nbsp; bit0
 
 /* PORTCL bit definitions 0x05 */
 #define PCL7&nbsp; &nbsp; bit7
 #define PCL6&nbsp; &nbsp; bit6
 #define PCL5&nbsp; &nbsp; bit5
 #define PCL4&nbsp; &nbsp; bit4
 #define PCL3&nbsp; &nbsp; bit3
 #define PCL2&nbsp; &nbsp; bit2
 #define PCL1&nbsp; &nbsp; bit1
 #define PCL0&nbsp; &nbsp; bit0
 
 /* DDRC bit definitions 0x07 */
 #define DDC7&nbsp; &nbsp; bit7
 #define DDC6&nbsp; &nbsp; bit6
 #define DDC5&nbsp; &nbsp; bit5
 #define DDC4&nbsp; &nbsp; bit4
 #define DDC3&nbsp; &nbsp; bit3
 #define DDC2&nbsp; &nbsp; bit2
 #define DDC1&nbsp; &nbsp; bit1
 #define DDC0&nbsp; &nbsp; bit0
 
 /* PORTD bit definitions 0x08 */
 #define PD5&nbsp; &nbsp; bit5
 #define PD4&nbsp; &nbsp; bit4
 #define PD3&nbsp; &nbsp; bit3
 #define PD2&nbsp; &nbsp; bit2
 #define PD1&nbsp; &nbsp; bit1
 #define PD0&nbsp; &nbsp; bit0
 
 /* DDRD bit definitions 0x09 */
 #define DDD5&nbsp; &nbsp; bit5
 #define DDD4&nbsp; &nbsp; bit4
 #define DDD3&nbsp; &nbsp; bit3
 #define DDD2&nbsp; &nbsp; bit2
 #define DDD1&nbsp; &nbsp; bit1
 #define DDD0&nbsp; &nbsp; bit0
 
 /* PORTE bit definitions 0x0A */
 #define PE7&nbsp; &nbsp; bit7
 #define PE6&nbsp; &nbsp; bit6
 #define PE5&nbsp; &nbsp; bit5
 #define PE4&nbsp; &nbsp; bit4
 #define PE3&nbsp; &nbsp; bit3
 #define PE2&nbsp; &nbsp; bit2
 #define PE1&nbsp; &nbsp; bit1
 #define PE0&nbsp; &nbsp; bit0
 
 /* CFORC bit definitions 0x0B */
 #define FOC1&nbsp; &nbsp; bit7
 #define FOC2&nbsp; &nbsp; bit6
 #define FOC3&nbsp; &nbsp; bit5
 #define FOC4&nbsp; &nbsp; bit4
 #define FOC5&nbsp; &nbsp; bit3
 
 /* OC1M bit definitions 0x0C */
 #define OC1M7&nbsp; bit7
 #define OC1M6&nbsp; bit6
 #define OC1M5&nbsp; bit5
 #define OC1M4&nbsp; bit4
 #define OC1M3&nbsp; bit3
 
 /* OC1D bit definitions 0x0D */
 #define OC1D7&nbsp; bit7
 #define OC1D6&nbsp; bit6
 #define OC1D5&nbsp; bit5
 #define OC1D4&nbsp; bit4
 #define OC1D3&nbsp; bit3
 
 /* TCTL1 bit definition 0x20 */
 #define OM2&nbsp; &nbsp; bit7
 #define OL2&nbsp; &nbsp; bit6
 #define OM3&nbsp; &nbsp; bit5
 #define OL3&nbsp; &nbsp; bit4
 #define OM4&nbsp; &nbsp; bit3
 #define OL4&nbsp; &nbsp; bit2
 #define OM5&nbsp; &nbsp; bit1
 #define OL5&nbsp; &nbsp; bit0
 
 /* TCTL2 bit definitions 0x21 */
 #define EDG4B&nbsp; bit7
 #define EDG4A&nbsp; bit6
 #define EDG1B&nbsp; bit5
 #define EDG1A&nbsp; bit4
 #define EDG2B&nbsp; bit3
 #define EDG2A&nbsp; bit2
 #define EDG3B&nbsp; bit1
 #define EDG3A&nbsp; bit0
 
 /* TMSK1 bit definitions 0x22 */
 #define OC1I&nbsp; &nbsp; bit7
 #define OC2I&nbsp; &nbsp; bit6
 #define OC3I&nbsp; &nbsp; bit5
 #define OC4I&nbsp; &nbsp; bit4
 #define I4O5I&nbsp; bit3
 #define IC1I&nbsp; &nbsp; bit2
 #define IC2I&nbsp; &nbsp; bit1
 #define IC3I&nbsp; &nbsp; bit0
 
 /* TFLG1 bit definitions 0x23 */
 #define OC1F&nbsp; &nbsp; bit7
 #define OC2F&nbsp; &nbsp; bit6
 #define OC3F&nbsp; &nbsp; bit5
 #define OC4F&nbsp; &nbsp; bit4
 #define I4O5F&nbsp; bit3
 #define IC1F&nbsp; &nbsp; bit2
 #define IC2F&nbsp; &nbsp; bit1
 #define IC3F&nbsp; &nbsp; bit0
 
 /* TMSK2 bit definitions 0x24 */
 #define TOI&nbsp; &nbsp; bit7
 #define RTII&nbsp; &nbsp; bit6
 #define PAOVI&nbsp; bit5
 #define PAII&nbsp; &nbsp; bit4
 #define PR1&nbsp; &nbsp; bit1
 #define PR0&nbsp; &nbsp; bit0
 
 /* TFLG2 bit definitions 0x25 */
 #define TOF&nbsp; &nbsp; bit7
 #define RTIF&nbsp; &nbsp; bit6
 #define PAOVF&nbsp; bit5
 #define PAIF&nbsp; &nbsp; bit4
 
 /* PACTL bit definitions 0x26 */
 #define DDRA7&nbsp; bit7
 #define PAEN&nbsp; &nbsp; bit6
 #define PAMOD&nbsp; bit5
 #define PEDGE&nbsp; bit4
 #define DDRA3&nbsp; bit3
 #define I4O5&nbsp; &nbsp; bit2
 #define RTR1&nbsp; &nbsp; bit1
 #define RTR0&nbsp; &nbsp; bit0
 
 /* SPCR bit definitions 0x28 */
 #define SPIE&nbsp; &nbsp; bit7
 #define SPE&nbsp; &nbsp; bit6
 #define DWOM&nbsp; &nbsp; bit5
 #define MSTR&nbsp; &nbsp; bit4
 #define CPOL&nbsp; &nbsp; bit3
 #define CPHA&nbsp; &nbsp; bit2
 #define SPR1&nbsp; &nbsp; bit1
 #define SPR0&nbsp; &nbsp; bit0
 
 /* SPSR bit definitions 0x29 */
 #define SPIF&nbsp; &nbsp; bit7
 #define WCOL&nbsp; &nbsp; bit6
 #define MODF&nbsp; &nbsp; bit4
 
 /* BAUD bit definitions 0x2B */
 #define TCLR&nbsp; &nbsp; bit7
 #define SCP2&nbsp; &nbsp; bit6
 #define SCP1&nbsp; &nbsp; bit5
 #define SCP0&nbsp; &nbsp; bit4
 #define RCKB&nbsp; &nbsp; bit3
 #define SCR2&nbsp; &nbsp; bit2
 #define SCR1&nbsp; &nbsp; bit1
 #define SCR0&nbsp; &nbsp; bit0
 
 /* SCCR1 bit definition 0x2C */
 #define R8&nbsp; &nbsp; &nbsp; bit7
 #define T8&nbsp; &nbsp; &nbsp; bit6
 #define M&nbsp; &nbsp; &nbsp; bit4
 #define WAKE&nbsp; &nbsp; bit3
 
 /* SCCR2 bit definitions 0x2D */
 #define TIE&nbsp; &nbsp; bit7
 #define TCIE&nbsp; &nbsp; bit6
 #define RIE&nbsp; &nbsp; bit5
 #define ILIE&nbsp; &nbsp; bit4
 #define TE&nbsp; &nbsp; &nbsp; bit3
 #define RE&nbsp; &nbsp; &nbsp; bit2
 #define RWU&nbsp; &nbsp; bit1
 #define SBK&nbsp; &nbsp; bit0
 
 /* SCSR&nbsp; bit definitions 0x2E */
 #define TDRE&nbsp; &nbsp; bit7
 #define TC&nbsp; &nbsp; &nbsp; bit6
 #define RDRF&nbsp; &nbsp; bit5
 #define IDLE&nbsp; &nbsp; bit4
 #define OR&nbsp; &nbsp; &nbsp; bit3
 #define NF&nbsp; &nbsp; &nbsp; bit2
 #define FE&nbsp; &nbsp; &nbsp; bit1
 
 /* SCDR bit definitions 0x2F */
 #define R7T7&nbsp; &nbsp; bit7
 #define R6T6&nbsp; &nbsp; bit6
 #define R5T5&nbsp; &nbsp; bit5
 #define R4T4&nbsp; &nbsp; bit4
 #define R3T3&nbsp; &nbsp; bit3
 #define R2T2&nbsp; &nbsp; bit2
 #define R1T1&nbsp; &nbsp; bit1
 #define R0T0&nbsp; &nbsp; bit0
 
 /* ADCTL bit definitions 0x30 */
 #define CCF&nbsp; &nbsp; bit7
 #define SCAN&nbsp; &nbsp; bit5
 #define MULT&nbsp; &nbsp; bit4
 #define CD&nbsp; &nbsp; &nbsp; bit3
 #define CC&nbsp; &nbsp; &nbsp; bit2
 #define CB&nbsp; &nbsp; &nbsp; bit1
 #define CA&nbsp; &nbsp; &nbsp; bit0
 
 /* BPROT bit definitions 0x35 */
 #define PTCON&nbsp; bit4
 #define BPRT3&nbsp; bit3
 #define BPRT2&nbsp; bit2
 #define BPRT1&nbsp; bit1
 #define BPRT0&nbsp; bit0
 
 /* EPROG bit definitions 0x36&nbsp; &nbsp; &nbsp; MC68HC(7)11E20 only */
 #define MBE&nbsp; &nbsp; bit7
 /* ELAT defined in PPROG */
 #define EXCOL&nbsp; bit4
 #define EXROW&nbsp; bit3
 #define T1&nbsp; &nbsp; &nbsp; bit2
 #define T0&nbsp; &nbsp; &nbsp; bit1
 #define PGM&nbsp; &nbsp; bit0
 
 /* OPTION bit definitions 0x39 */
 #define ADPU&nbsp; &nbsp; bit7
 #define CSEL&nbsp; &nbsp; bit6
 #define IRQE&nbsp; &nbsp; bit5
 #define DLY&nbsp; &nbsp; bit4
 #define CME&nbsp; &nbsp; bit3
 #define CR1&nbsp; &nbsp; bit1
 #define CR0&nbsp; &nbsp; bit0
 
 /* PPROG bit definitions 0x3B */
 #define ODD&nbsp; &nbsp; bit7
 #define EVEN&nbsp; &nbsp; bit6
 #define ELAT&nbsp; &nbsp; bit5&nbsp; &nbsp; /* MC68HC711E9 only */
 #define BYTE&nbsp; &nbsp; bit4
 #define ROW&nbsp; &nbsp; bit3
 #define ERASE&nbsp; bit2
 #define EELAT&nbsp; bit1
 #define EEPGM&nbsp; bit0
 #define EPGM&nbsp; &nbsp; bit0
 
 /* HPRIO bit definitions 0x3C */
 #define RBOOT&nbsp; bit7
 #define SMOD&nbsp; &nbsp; bit6
 #define MDA&nbsp; &nbsp; bit5
 #define IRVNE&nbsp; bit4
 #define PSEL3&nbsp; bit3
 #define PSEL2&nbsp; bit2
 #define PSEL1&nbsp; bit1
 #define PSEL0&nbsp; bit0
 
 /* INIT&nbsp; bit definitions 0x3D */
 #define RAM3&nbsp; &nbsp; bit7
 #define RAM2&nbsp; &nbsp; bit6
 #define RAM1&nbsp; &nbsp; bit5
 #define RAM0&nbsp; &nbsp; bit4
 #define REG3&nbsp; &nbsp; bit3
 #define REG2&nbsp; &nbsp; bit2
 #define REG1&nbsp; &nbsp; bit1
 #define REG0&nbsp; &nbsp; bit0
 
 /* TEST1 bit definitions 0x3E */
 #define TILOP&nbsp; bit7
 #define OCCR&nbsp; &nbsp; bit5
 #define CBYP&nbsp; &nbsp; bit4
 #define DISR&nbsp; &nbsp; bit3
 #define FCM&nbsp; &nbsp; bit2
 #define FCOP&nbsp; &nbsp; bit1
 #define TCON&nbsp; &nbsp; bit0
 
 /* CONFIG bit definitions 0x3F */
 #define EE3&nbsp; &nbsp; bit7&nbsp; &nbsp; /* MC68HC811E2 only */
 #define EE2&nbsp; &nbsp; bit6&nbsp; &nbsp; /* MC68HC811E2 only */
 #define EE1&nbsp; &nbsp; bit5&nbsp; &nbsp; /* MC68HC811E2 only */
 #define EE0&nbsp; &nbsp; bit4&nbsp; &nbsp; /* MC68HC811E2 only */
 #define NOSEC&nbsp; bit3
 #define NOCOP&nbsp; bit2
 #define ROMON&nbsp; bit1&nbsp; &nbsp; /* MC68HC11E9 and MC68HC11E8 only */
 #define EPON&nbsp; &nbsp; bit1&nbsp; &nbsp; /* MC68HC711E9 only */
 #define EEON&nbsp; &nbsp; bit0
 
 
 
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