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������: bluesea (����), ����: Win95_win3.x
��  ��: Read/Write I/O port in Windows 95 applications
����վ: BBS ˮľ�廪վ (Sun Dec 14 21:42:26 1997)

�� �� wlm (wlm) �Ĵ������ᵽ: ��
: ����Win95�������кIO�˿ڣ�outportb �������ˣ�

(1) You can read/write a port with inport()/outport() functions
    or inline assembly within a 16-bit application or DLL in 
    Windows 95;

(2) Access the hardware resources by the standard way of VxD.
    This is the recommended method of Win32 development. To do
    this, u may have know something about DDK;

(3) Some third-party Tools such as Windriver or WinTools ...
    may also help. You have to gather more information from inet;

(4) For a compromise, your Win32 application can also call a 16-bit
    DLL in witch u can use traditional I/O method. This's called
    'Thunk' technology and u can get more knowledge from online
    help and docs of MSVC 4.x-5.x. There are 3 difference thunk,
    for Win32s, Win32 of 95 and Windows NT 4.x and they aren't 
    compatible very well each other.

(5) Also, a MS-DOS driver (.sys in config.sys or exe/com in autoexec)
    can work with Windows 95 quite well. you can control the driver
    by software interrupt (int xxx) or by the way of a piece of 
    shared MS-DOS memory. This method is not suited for the 
    high-speed / large-quantity data transfer usage.

    Apologized for my poor English.

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6m�� �޸�:��bluesea � Dec 14 21:48:20 �޸ı��ġ�[FROM:  202.112.145.96]m
m7m�� ��Դ:��BBS ˮľ�廪վ bbs.net.tsinghua.edu.cn��[FROM: 202.112.145.96]m

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