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709 diamond 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2008. All rights reserved.      ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Detect all BIOS hard drives.
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; diamond, 2008
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        xor     cx, cx
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        mov     es, cx
1424 diamond 13 
        inc     cx
709 diamond 14 
        mov     di, 0x9080
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        mov     byte [es:di-1], cl
1424 diamond 16 
        mov     byte [es:di], 80h
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        inc     di
709 diamond 18 
        cmp     [preboot_biosdisk], 1
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        jnz     bdde
1424 diamond 20 
        mov     dl, 81h
709 diamond 21 
bdds:
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        mov     ah, 15h
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        push    cx dx di
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        int     13h
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        pop     di dx cx
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        jc      bddc
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        test    ah, ah
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        jz      bddc
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        inc     cx
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        mov     ah, 48h
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        push    ds
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        push    es
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        pop     ds
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        mov     si, 0xA000
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        mov     word [si], 1Eh
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        mov     ah, 48h
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        int     13h
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        pop     ds
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        jc      bddc2
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        inc     byte [es:0x907F]
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        cmp     word [es:si], 1Eh
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        jb      bddl
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        cmp     word [es:si+1Ah], 0xFFFF
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        jz      bddl
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        mov     al, dl
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        stosb
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        push    ds
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        lds     si, [es:si+1Ah]
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        mov     al, [si+6]
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        and     al, 0xF
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        stosb
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        mov     al, byte [si+4]
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        shr     al, 4
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        and     ax, 1
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        cmp     word [si], 1F0h
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        jz      @f
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        inc     ax
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        inc     ax
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        cmp     word [si], 170h
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        jz      @f
1229 Lrz 61 
	or	ax,-1
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;        mov     ax, -1
709 diamond 63 
@@:
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        stosw
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        pop     ds
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        jmp     bddc2
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bddl:
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        mov     al, dl
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        stosb
1229 Lrz 70 
	xor	ax,ax
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	stosb
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	dec	ax
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	stosw
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;        mov     al, 0
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;        stosb
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;        mov     ax, -1
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;        stosw
709 diamond 78 
bddc2:
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        cmp     cl, [es:0x475]
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        jae     bdde
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bddc:
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        inc     dl
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        jnz     bdds
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bdde: