# File lib/native_file_types/apple2/PackedHiResPicFormats.rb, line 74
  def unpacked_picture_bytes    
    packed_buffer=data_without_header
    unpacked_buffer="\000"*8192
    in_p=0
    out_p=0
    while out_p<=8192 && in_p<packed_buffer.length do
      count_byte=packed_buffer[in_p]     
      in_p+=1
      if (count_byte>=0x80) then
        (1+(count_byte & 0x7F)).times do
          unpacked_buffer[out_p]=packed_buffer[in_p] unless out_p>=8192
          in_p+=1
          out_p+=1
         end 
      else
        src_byte=packed_buffer[in_p]               
        in_p+=1
        (1+count_byte).times do
          unpacked_buffer[out_p]=src_byte  unless out_p>=8192
          out_p+=1
         end               
      end  
    end
    unpacked_buffer
  end