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