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fzn0x/bootloader.asm

Created July 12, 2024 23:29
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Write my first OS - Hello World (part 1) - bootloader.asm
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bootloader.asm
[ORG 0x7C00]
mov ah, 0x0E
mov al, 'H'
int 0x10
mov al, 'e'
int 0x10
mov al, 'l'
int 0x10
mov al, 'l'
int 0x10
mov al, 'o'
int 0x10
mov al, ','
int 0x10
mov al, ' '
int 0x10
mov al, 'W'
int 0x10
mov al, 'o'
int 0x10
mov al, 'r'
int 0x10
mov al, 'l'
int 0x10
mov al, 'd'
int 0x10
mov al, '!'
int 0x10
jmp $
times 510 - ($-$$) db 0
dw 0xAA55
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fzn0x commented Jul 12, 2024

hexdump -C os.img | head -n 20

https://man7.org/linux/man-pages/man1/hexdump.1.html

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