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Rev 816 Rev 925
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;;  KolibriOS 16-bit loader,                                    ;;
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;;  KolibriOS 16-bit loader,                                    ;;
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;;                        based on bootcode for MenuetOS        ;;
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;;                        based on bootcode for MenuetOS        ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 816 $
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$Revision: 925 $
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; fill the necessary parameters to work with a floppy
 898 
; fill the necessary parameters to work with a floppy
899 
        mov     ax, word [es:bx+24]
 899 
        mov     ax, word [es:bx+24]
900 
        mov     word [BPB_SecPerTrk], ax
 900 
        mov     word [BPB_SecPerTrk], ax
901 
        mov     ax, word [es:bx+26]
 901 
        mov     ax, word [es:bx+26]
902 
        mov     word [BPB_NumHeads], ax
 902 
        mov     word [BPB_NumHeads], ax
903 
        mov     ax, word [es:bx+22]
 - 
 
904 
        mov     word [BPB_FATSz16], ax
 - 
 
905 
        mov     ax, word [es:bx+17]
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        mov     ax, word [es:bx+17]
906 
        mov     word [BPB_RootEntCnt], ax
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        mov     word [BPB_RootEntCnt], ax
907 
        mov     ax, word [es:bx+11]
 - 
 
908 
        mov     word [BPB_BytsPerSec], ax
 - 
 
909 
        mov     ax, word [es:bx+14]
 905 
        mov     ax, word [es:bx+14]
910 
        mov     word [BPB_RsvdSecCnt], ax
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        mov     word [BPB_RsvdSecCnt], ax
911 
        mov     ax, word [es:bx+19]
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        mov     ax, word [es:bx+19]
912 
        mov     word [BPB_TotSec16], ax
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        mov     word [BPB_TotSec16], ax
913 
        mov     al, byte [es:bx+13]
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        mov     al, byte [es:bx+13]
914 
        mov     byte [BPB_SecPerClus], al
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        mov     byte [BPB_SecPerClus], al
915 
        mov     al, byte [es:bx+16]
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        mov     al, byte [es:bx+16]
916 
        mov     byte [BPB_NumFATs], al
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        mov     byte [BPB_NumFATs], al
- 
 
 913 
; 18.11.2008
- 
 
 914 
        mov     ax, word [es:bx+22]
- 
 
 915 
        mov     word [BPB_FATSz16], ax
- 
 
 916 
        mov     cx, word [es:bx+11]
- 
 
 917 
        mov     word [BPB_BytsPerSec], cx
- 
 
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917 
; count of clusters in FAT12 ((size_of_FAT*2)/3)
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; count of clusters in FAT12 ((size_of_FAT*2)/3)
918 
        mov     ax, word [BPB_FATSz16]
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;        mov     ax, word [BPB_FATSz16]
919 
        mov     cx, word [BPB_BytsPerSec]
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;        mov     cx, word [BPB_BytsPerSec]
- 
 
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;end  18.11.2008
920 
        xor     dx, dx
 923 
        xor     dx, dx
921 
        mul     cx
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        mul     cx
922 
        shl     ax, 1
 925 
        shl     ax, 1
923 
        mov     cx, 3
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        mov     cx, 3
924 
        div     cx              ; now ax - number of clusters in FAT12
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        div     cx              ; now ax - number of clusters in FAT12