org 0x0
bits 16

%define NEWL 0x0d, 0x0a

kernel_entry:

  mov si, msg_kernel
  call kern_puts
  jmp kernel_entry

.halt:
  cli
  hlt

; prints shit
; params:
;   ds:si - pointer to null terminated string
kern_puts: 
  ; save params
  push si
  push ax
  mov ah, 0x0e
  mov bh, 0 ; set page number to zero???

.loop:
  lodsb     ; loads char to al
  or al, al ; is al null
  jz .done

  ; use BIOS to print char
  int 0x10

  jmp .loop

.done:
  pop ax
  pop si
  ret


msg_kernel: db 'HELLOW FROM KERNEL', NEWL, 0