warning: unmapped-char.asm(12): [-Wunmapped-char]
    Unmapped character 'A' not in main charmap
warning: unmapped-char.asm(15): [-Wunmapped-char]
    Unmapped character 'A'
warning: unmapped-char.asm(21): [-Wunmapped-char]
    Unmapped character 'A'
