text: code = bytearray([
    0xa9, 0xff,         # lda #$ff
    0x8d, 0x02, 0x60,   # sta $6002
  
    0xa9, 0x55,         # lda #$55
    0x8d, 0x00, 0x60,   # sta $6000
  
    0xa9, 0xaa,         # lda #$aa
    0x8d, 0x00, 0x60,   # sta $6000
  
    0x4c, 0x05, 0x80    # jmp $8005
  ])
  
  rom = code + bytearray([0xea] * (32768 - len(code)))
  
  rom[0x7ffc] = 0x00
  rom[0x7ffd] = 0x80
  
  with open("rom.bin", "wb") as out_file:
    out_file.write(rom);
  