very_bad_bootloader.asm

; bootloader which can only print hello world to the screen, I used qemu for emulation
; I might come back to this in the future, maybe

; Code is almost a year old so yeah I don't expect to understand it because it's poorly commented

	[org 0x7c00]

call START

START:
	mov bp, 0x8c00
	mov sp, bp

	int 0x12
	mov bx, ax

	xor ax, ax
	mov ah, 0x0e

	int 0x10
	

	jmp $

PRINT:
	mov ah, 0x0e
	mov al, [bx]
	cmp al, 0
	je RETURN

	int 0x10

	xor ah, ah
	add bx, 1
	call PRINT

RETURN:
	ret

string db "Hello World"

times 510-($-$$) db 0
dw 0xaa55