DTMF and PIC for Remote Control

[mike1939]

Hello....All of the code is shown below......

'****************************************************************
'*  Name    : TIMER01.INC                                          *
'*  Author  : Michael Denton                                        *
'*  Notice  :                                    *
'*  Date    : 27/03/2010                                                *
'*  Version : 1.0                                                          *
'*  Notes   :                                                                *
'****************************************************************
cmcon = %00000111 'Make portA all digital I/O otherwise ADC
intcon = %10110000 'R/W Reg Bit2 is T0IF TMRO overflow bit
                   'must be reset in software
option_reg = %10010000 'prescaler for TMR0 set at 1:1
vrcon = %00000000 'Turn off reference voltage
eecon1 = %00001111 'EEPROM data register

'=======================================================
PIN6  VAR PORTB.0   ' Rename all port names with physical PIN number
PIN7  VAR PORTB.1   ' Makes it easier to wire up
PIN8  VAR PORTB.2
PIN9  VAR PORTB.3
PIN10 VAR PORTB.4
PIN11 VAR PORTB.5
PIN12 VAR PORTB.6
PIN13 VAR PORTB.7
PIN17 VAR PORTA.0
PIN18 VAR PORTA.1
PIN1  VAR PORTA.2
PIN2  VAR PORTA.3
PIN3  VAR PORTA.4
'=======================================================

INPUT PIN2   '
input pin6   '
input PIN7   '
input PIN8   '
input PIN9   '  
input PIN12  ' 
input PIN13  '

output pin1   '
output pin3   ' 
output pin10  '  
output PIN11  '
OUTPUT PIN17  '
OUTPUT PIN18  '

'=================  Check functionality      ==========================
  m var word :n var word 
  clicks var word: secs var word
  
' ===============================================================   
  pause 1000 'Do nothing for a while
  main:
  loop1:
  if intcon.2 = 0 then loop1  'TMR0 must be enabled to get out of this loop1
  intcon.2 = 0
  clicks=clicks+1
  if clicks >=1900 then
  clicks=0
  high pin11:pause 100:low pin11  'Flash LED for 10th of second
  secs=secs+1
  endif
  if secs>=5 then 
  high pin10:pause 100:low pin10
  gosub nowt
  secs=0 'Reset secs
  endif
  goto loop1  
  end
  nowt: 'm=m+1 ' Why does this one extra instruction cause Pin11 High
' And cause progam to FAIL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  return