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Rev 5715 Rev 5716
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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pixel_to_24bpp:         ; returns in ecx
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        push    eax
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  @@:
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        lea     eax, [esi+BYTES_PER_PIXEL]
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        cmp     [datapointer], eax
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        jae     @f
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        call    read_data.more
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        jmp     @b
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pixel_to_24bpp:         ; returns in ecx
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  @@:
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if BITS_PER_PIXEL = 8
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if BITS_PER_PIXEL = 8
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        push    eax ebx
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        push    ebx
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        mul     bl
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        mul     bl
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        shl     ecx, 8
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        shl     ecx, 8
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        mov     cl, al          ; blue
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        mov     cl, al          ; blue
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        inc     esi
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        inc     esi
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        pop     ebx eax
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        pop     ebx
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else if BITS_PER_PIXEL = 16
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else if BITS_PER_PIXEL = 16
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        push    eax
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        lodsw
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        lodsw
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        shl     ecx, 8
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        shl     ecx, 8
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        mov     cl, al
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        mov     cl, al
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        shl     cl, 3
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        shl     cl, 3
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        and     cx, 0x00f8      ; blue
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        pop     eax
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        and     cx, 0x00f8      ; blue
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else
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else
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        xor     ecx, ecx
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        xor     ecx, ecx
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        mov     cx, [esi]
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        mov     cx, [esi]
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        shl     ecx, 8
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        shl     ecx, 8
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        mov     cl, [esi+2]
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        mov     cl, [esi+2]
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        add     esi, 3
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        add     esi, 3
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