169 lines
11 KiB
HTML
169 lines
11 KiB
HTML
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<TITLE>Int 21/AX=4403h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 21/AX=4403h - MS-DOS 7.0+ - CONFIG$ device - SET??? CONFIGURATION INFORMATION -
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AX = 4403h
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BX = file handle for character device CONFIG$
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CX = number of bytes to write
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DS:DX - buffer containing ???
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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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Note: IOCTL Output to CONFIG$ is only available while IO.SYS is booting
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the system; once CONFIG.SYS has been processed, this call always
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">
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<center>
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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>MS-DOS 7.0+ - CONFIG$ device - SET??? CONFIGURATION INFORMATION</font></h3>
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<PRE>
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AX = 4403h
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BX = file handle for character device "CONFIG$"
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CX = number of bytes to write
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DS:DX -> buffer containing ???<br>
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<p><b>Return:</b><br>CF clear if successful
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AX = number of bytes actually written
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CF set on error
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AX = error code (01h,05h,06h,0Dh) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
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</PRE>
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<p><b>Note:</b>
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IOCTL Output to CONFIG$ is only available while IO.SYS is booting
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the system; once CONFIG.SYS has been processed, this call always
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succeeds, ignoring any input
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<p><b>See Also:</b>
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<a href="rb-2824.htm" tppabs="http://www.ctyme.com/intr/rb-2824.htm">AX=4403h"CONFIG$"</a>
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<p>
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<b>Category: <a href="cat-010.htm" tppabs="http://www.ctyme.com/intr/cat-010.htm">
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DOS Kernel</a>
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- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
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Int 21h</a>
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M</a>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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