BOOT SISTEMA OPERACIONAL

;CRIANDO SISTEMAS OPERACIONAIS 16 BITS
;para compilar: nasm -f bin -o sistema.bin sistema.asm

;para executar: passo 1 - dd status=noxfer conv=notrunc if=sistema.bin of=sistema.flp

;para executar: passo 2 - qemu-system-i386 -fda sistema.flp



;------------correct
mov ah, 0x0e ; tty mode
mov al, 'H'
int 0x10

mov al, 'e'
int 0x10

mov al, 'l'
int 0x10

int 0x10 ; 'l' is still on al, remember?
mov al, 'o'
int 0x10


mov al, ' '
int 0x10

mov al, 'L'
int 0x10

mov al, 'i'
int 0x10

mov al, 'n'
int 0x10

mov al, 'c'
int 0x10

mov al, 'o'
int 0x10

;------correct


jmp $ ; jump to current address = infinite loop

; padding and magic number
times 510 - ($-$$) db 0
dw 0xaa55