R1	DS.B 1
R2	DS.B 1
MYDATA DS.B 6	
	ORG   ROMStart
Entry:
  LDS  #RAMEnd+1 
  BSET DDRB,#$FF 
  LDX  #MYDATA	
  LDY  #DATA 	
  MOVB #3,R1	
OVER MOVW 0,Y,0,X 
  INX		
  INX
  INY
  INY
  DEC  R1		
  BNE  OVER	
  LDX  #MYDATA
  MOVB #6,R2		
H1 LDAA 1,X+
  STAA PORTB
  JSR  SERIAL_COM	
  DEC  R2
  BNE  H1
HERE BRA HERE
	ORG $4500
DATA FCB	"HELLO!"