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mov ebx,80000008h
mov esi,ad_descd
boucle_detec_ata:
mov dx,0CF8h
mov eax,ebx
out dx,eax
mov dx,0CFCh
in eax,dx
cmp ax,0FFFFh
je pasctrlata
mov edx,eax
and eax,0FFFF0000h
cmp eax,001010000h  ;class=01h sub-class=01h
jne pasctrlata

mov word[esi+dd_atribut],00h
mov word[esi+dd_atribut+32],10h
mov word[esi+dd_atribut+64],00h
mov word[esi+dd_atribut+96],10h

mov dx,0CF8h
mov eax,ebx
add eax,24     ;BAR4
out dx,eax
mov dx,0CFCh
in eax,dx
test al,1
jz crtl_dma_abs
and eax,0FFFCh
cmp eax,0
je crtl_dma_abs
or word[esi+dd_atribut],08h
or word[esi+dd_atribut+32],08h
or word[esi+dd_atribut+64],08h
or word[esi+dd_atribut+96],08h
crtl_dma_abs:
mov [esi+dd_adress_dma],ax
mov [esi+dd_adress_dma+32],ax
add eax,8
mov [esi+dd_adress_dma+64],ax
mov [esi+dd_adress_dma+96],ax

mov dx,0CF8h
mov eax,ebx
add eax,8     ;BAR0
out dx,eax
mov dx,0CFCh
in eax,dx
test al,1
jz bar0_nok
and eax,0FFFCh
cmp eax,0
jne bar0_ok
bar0_nok:
mov eax,1F0h
bar0_ok:
mov [esi+dd_adress_base],ax
mov [esi+dd_adress_base+32],ax

;************************************
;some simmilar code for bar1-bar3
;************************************

add esi,64

pasctrlata:
add ebx,100h
test ebx,7F000000h
jz boucle_detec_ata