175 lines
12 KiB
HTML
175 lines
12 KiB
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<TITLE>Int 21/AX=4403h
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<META NAME="Description" CONTENT="
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Int 21/AX=4403h - DR DOS $IDLE$ - IOCTL - DYNAMIC IDLE DETECTION CONTROL -
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AX = 4403h
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BX = file handle referencing character device $IDLE$
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CX = number of bytes to write (0004h)
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DS:DX - $IDLE$ IOCTL structure (see #04113)
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Return: CF clear if successful
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AX = number of bytes actually written
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CF set on error
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AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
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Notes: When the DR DOS IBMBIO.COM detects the presence of the $IDLE$ device
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during startup, it will retrieve the address of the idle state
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<h2>Int 21/AX=4403h
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</h2>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>DR DOS $IDLE$ - IOCTL - DYNAMIC IDLE DETECTION CONTROL</font></h3>
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<PRE>
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AX = 4403h
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BX = file handle referencing character device $IDLE$
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CX = number of bytes to write (0004h)
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DS:DX -> $IDLE$ IOCTL structure <a href="rb-2870.htm#Table4113" tppabs="http://www.ctyme.com/intr/rb-2870.htm#Table4113">(see #04113)</a><br>
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<p><b>Return:</b><br>CF clear if successful
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AX = number of bytes actually written
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CF set on error
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AX = error code (01h,05h,06h,0Dh) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
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</PRE>
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<p><b>Notes:</b>
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When the DR DOS IBMBIO.COM detects the presence of the $IDLE$ device
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during startup, it will retrieve the address of the idle state
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data area via INT 21/AX=4458h and pass it along to the $IDLE$ device
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driver by calling this function.
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<PRE>
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<p>
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Format of DR DOS $IDLE$ IOCTL structure:
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<a name=table4113></a>
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Offset Size Description (Table 04113)
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00h DWORD -> idle state data area (see Table !!! at INT 21/AX=4458h)
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</PRE>
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<p>
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<b>Category: <a href="cat-043.htm" tppabs="http://www.ctyme.com/intr/cat-043.htm">
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Uncatagorized</a>
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Int 21h</a>
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