Why isn't the text colored when using the 0Eh 10h interrupt?

Question

I\'m using the 10h interrupt with AH as 0Eh to output \"Hello World!\" The text is ouputted but its not colored. I\'m running it on qemu-system-x86_64, assembling with NASM,

Answer 1

;make to use mov ah,0eh

bits 16

org 0x7c00


jmp basla

; clear screen with colour you want

basla:

  ;pencere boyutu 80x25 karakter

  mov ah,06h
  mov al,00h
  mov bh,0ach ; ah zemin rengi,ch karakter rengi
  mov cx,00h ;silmeye pencerenin sol ustunden basla
  mov dx,184fh ;18h(24.satir) ve 4fh(79.sutun)a kadar sil.
  int 10h

;then print your program

  mov di,isim ;dizinin ilk adresini di kutuk yazmacina ata
  call yazbas  ; alt program cagriliyor

  mov di,isim2 ;ikinci dizinin adresi ataniyor
  call yazbas  ;ayni alt program cagriliyor

  jmp $ ;sonsuz dongu

yazbas:

   mov ah,0eh

   mov al,[di]
   int 10h
   inc di
   or al,al
   jz bitti
   jmp yazbas

bitti:

ret

isim db "attila oguz",0

isim2 db "isletim duzenegine giris",0

times 510-($-$$) db 0

dw 0xaa55