Error: extra tokens on end of line

[skimask]

I see your code, and I raise you...ok, never mind...
Seems a bit goofy in my mind, but give this a shot:
(yes there is a bunch of colons here, only so I can see more of it on the screen)

DEFINE HSER_RCSTA 90h    'ALWAYS capitalize DEFINEs
DEFINE HSER_TXSTA 20h
DEFINE HSER_SPBRG 25
ccp1con = 0 : ccp2con = 0 : adcon1 = 6 : trise = 7 : trisc = 191
porte = 0 : trisa = 255 : trisb = 0 : trisd = 255 : portEval var byte
portCval var byte : portCfinval var byte : stripBit var bit
portDval var byte : portAval var byte : IdNumber var byte
OutVal var byte : btvar var byte : oldbtvar var byte : portb = 0
START:
portcfinval = portc & $3f
if porta <> portaval then
    portaval = porta : hserout [#porte,"A",#porta,13,10]
endif
if portd <> portdval then
    portdval = portd : hserout [#porte,"D",#portd,13,10]
endif
if (portcfinval <> portcval) then
    portcval = portcfinval : hserout [#porte, "C", #portcfinval, 13,10]
endif
hserin ,100,start,[Idnumber] : porteval = porte
if idnumber <> porteval then start
HSERIn ,500,START,[Btvar]
if ( btvar => 48 ) and ( btvar <= 55 ) then
     oldbtvar = btvar - 48 : HSERIn, 1000 , START , [btvar]
     if btvar <= 49 then outval.0[ oldbtvar ] = btvar.0
     portb = outval : goto start
endif
goto start