176 lines
12 KiB
HTML
176 lines
12 KiB
HTML
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<TITLE>Int 13/AH=22h
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 13/AH=22h - HARD DISK - PS/1 and newer PS/2 - WRITE MULTIPLE DISK SECTORS -
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AH = 22h
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AL = number of sectors to write
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CH = low byte of 12-bit cylinder number
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CL = starting sector (bits 0-5) and bits 8-9 of cylinder (bits 6-7)
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DH = head number (bits 0-5) and bits 10-11 of cylinder (bits 6-7)
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DL = drive number (80h,81h)
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ES:BX - buffer containing data to be written
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Return: CF clear if successful
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CF set on error
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AH = status (see #00234 at AH=01h)
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<h2>Int 13/AH=22h
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<h3><font color=#C00040>HARD DISK - PS/1 and newer PS/2 - WRITE MULTIPLE DISK SECTORS</font></h3>
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<PRE>
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AH = 22h
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AL = number of sectors to write
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CH = low byte of 12-bit cylinder number
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CL = starting sector (bits 0-5) and bits 8-9 of cylinder (bits 6-7)
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DH = head number (bits 0-5) and bits 10-11 of cylinder (bits 6-7)
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DL = drive number (80h,81h)
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ES:BX -> buffer containing data to be written<br>
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<p><b>Return:</b><br>CF clear if successful
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CF set on error
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AH = status <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 #00234 at AH=01h)
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</PRE>
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<p><b>Desc:</b>
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Write to the disk using the Multiple Block mode available on newer
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IDE drives and some hard disk controllers, which generates an
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interrupt only after the end of transferring a group of sectors
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rather than after each sector
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<p><b>Notes:</b>
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Must call AH=24h"PS/1" before using this function.
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Input values in CL and DH are not range-checked.
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The byte at address 0040h:0074h is set to the status of the operation
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<p><b>See Also:</b>
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<a href="rb-0608.htm" tppabs="http://www.ctyme.com/intr/rb-0608.htm">AH=03h</a> - <a href="rb-0669.htm" tppabs="http://www.ctyme.com/intr/rb-0669.htm">AH=21h"PS/1"</a> - <a href="rb-0669.htm" tppabs="http://www.ctyme.com/intr/rb-0669.htm">AH=23h"PS/1"</a> - <a href="rb-0669.htm" tppabs="http://www.ctyme.com/intr/rb-0669.htm">AH=24h"PS/1"</a>
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<p>
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<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
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Disk I/O Enhancements</a>
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- <a href="int-13.htm" tppabs="http://www.ctyme.com/intr/int-13.htm">
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Int 13h</a>
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- <a href="alpha-h.htm" tppabs="http://www.ctyme.com/intr/alpha-h.htm">
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H</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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