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; READ RAMDISK IMAGE FROM HD
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; READ RAMDISK IMAGE FROM HD
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        cmp   [boot_dev],1
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        cmp   [boot_dev],1
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        jne   no_sys_on_hd
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        jne   no_sys_on_hd
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        test  [0x40001],byte 0x40
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        test  [DRIVE_DATA+1],byte 0x40
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        jz    position_2
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        jz    position_2
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        mov   [hdbase],0x1f0
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x0
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        mov   [hdid],0x0
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        mov   [hdpos],1
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        mov   [hdpos],1
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        mov   [fat32part],0
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        mov   [fat32part],0
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  position_1_1:
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  position_1_1:
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        inc   [fat32part]
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        inc   [fat32part]
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        call  search_and_read_image
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        je    yes_sys_on_hd
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        movzx eax,byte [0x40002]
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        movzx eax,byte [DRIVE_DATA+2]
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        cmp   [fat32part],eax
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        cmp   [fat32part],eax
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        jle     position_1_1
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        jle     position_1_1
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  position_2:
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  position_2:
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        test  [0x40001],byte 0x10
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        test  [DRIVE_DATA+1],byte 0x10
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        jz    position_3
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        jz    position_3
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        mov   [hdbase],0x1f0
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x10
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        mov   [hdid],0x10
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        mov   [hdpos],2
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        mov   [hdpos],2
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        mov   [fat32part],0
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        mov   [fat32part],0
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  position_2_1:
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  position_2_1:
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        inc   [fat32part]
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        inc   [fat32part]
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        call  search_and_read_image
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        je    yes_sys_on_hd
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        movzx eax,byte [0x40003]
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        movzx eax,byte [DRIVE_DATA+3]
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        cmp   eax,[fat32part]
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        cmp   eax,[fat32part]
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        jle     position_2_1
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        jle     position_2_1
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  position_3:
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  position_3:
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        test  [0x40001],byte 0x4
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        test  [DRIVE_DATA+1],byte 0x4
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        jz    position_4
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        jz    position_4
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        mov   [hdbase],0x170
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        mov   [hdbase],0x170
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        mov   [hdid],0x0
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        mov   [hdid],0x0
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        mov   [hdpos],3
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        mov   [hdpos],3
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        mov   [fat32part],0
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        mov   [fat32part],0
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  position_3_1:
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  position_3_1:
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        inc   [fat32part]
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        inc   [fat32part]
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        call  search_and_read_image
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        je    yes_sys_on_hd
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        movzx eax,byte [0x40004]
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        movzx eax,byte [DRIVE_DATA+4]
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        cmp   eax,[fat32part]
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        cmp   eax,[fat32part]
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        jle     position_3_1
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        jle     position_3_1
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  position_4:
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  position_4:
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        test  [0x40001],byte 0x1
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        test  [DRIVE_DATA+1],byte 0x1
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        jz    no_sys_on_hd
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        jz    no_sys_on_hd
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        mov   [hdbase],0x170
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        mov   [hdbase],0x170
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        mov   [hdid],0x10
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        mov   [hdid],0x10
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        mov   [hdpos],4
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        mov   [hdpos],4
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        mov   [fat32part],0
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        mov   [fat32part],0
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  position_4_1:
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  position_4_1:
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        inc   [fat32part]
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        inc   [fat32part]
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        call  search_and_read_image
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        je    yes_sys_on_hd
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        movzx eax,byte [0x40005]
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        movzx eax,byte [DRIVE_DATA+5]
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        cmp   eax,[fat32part]
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        cmp   eax,[fat32part]
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        jle     position_4_1
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        jle     position_4_1