xnoe-os/hello.asm

29 lines
331 B
NASM

mov ax, 3000h
mov ds, ax
push hello_world_str
call print
;jmp $
retf
; print(str)
print:
push bp
mov bp, sp
mov si, [bp + 4]
mov ah, 0eh
mov cx, 1
mov bh, 0
print_loop:
lodsb
cmp al, 0
je print_exit
int 10h
jmp print_loop
print_exit:
pop bp
ret 2
hello_world_str db "Hello, World!", 13, 10, 13, 10, 0