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<TITLE>Int 13/AH=1Ah
</TITLE>
<META NAME="Description" CONTENT="
Int 13/AH=1Ah - ESDI FIXED DISK - FORMAT UNIT (PS) -
AH = 1Ah
AL = defect table entry count
CL = format modifiers (see #00250)
DL = drive (80h,81h)
ES:BX - defect table (see #00251), ignored if AL=00h
Return: CF set on error
CF clear if successful
AH = status (see #00234 at AH=01h)
Note: if periodic interrupt selected, INT 15/AH=0Fh is called after each
cylinder is formatted
">
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<h2>Int 13/AH=1Ah
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<h3><font color=#C00040>ESDI FIXED DISK - FORMAT UNIT (PS)</font></h3>
<PRE>
AH = 1Ah
AL = defect table entry count
CL = format modifiers <a href="rb-0649.htm#Table250" tppabs="http://www.ctyme.com/intr/rb-0649.htm#Table250">(see #00250)</a>
DL = drive (80h,81h)
ES:BX -> defect table <a href="rb-0649.htm#Table251" tppabs="http://www.ctyme.com/intr/rb-0649.htm#Table251">(see #00251)</a>, ignored if AL=00h<br>
<p><b>Return:</b><br>CF set on error
CF clear if successful
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)
</PRE>
<p><b>Note:</b>
If periodic interrupt selected, INT 15/AH=0Fh is called after each
cylinder is formatted
<p><b>See Also:</b>
<a href="rb-0618.htm" tppabs="http://www.ctyme.com/intr/rb-0618.htm">AH=07h</a> - <a href="rb-1187.htm" tppabs="http://www.ctyme.com/intr/rb-1187.htm">INT 15/AH=0Fh</a>
<PRE>
<p>
Bitfields for ESDI format modifiers:
<a name=table250></a>
Bit(s) Description (Table 00250)
4 generate periodic interrupt
3 perform surface analysis
2 update secondary defect map
1 ignore secondary defect map
0 ignore primary defect map
<p>
Format of defect table entry [array]:
<a name=table251></a>
Offset Size Description (Table 00251)
00h 3 BYTEs relative sector address (little-endian)
03h BYTE flags and defect count
<p><b>bit 7:</b><br>Last logical sector on track
<p><b>bit 6:</b><br>First logical sector on track
<p><b>bit 5:</b><br>Last logical sector on cylinder
<p><b>bit 4:</b><br>Logical sectors are pushed onto next track
<p><b>bits 3-0:</b><br>Number of defects pushed from previous cylinder
</PRE>
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<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
Disk I/O Enhancements</a>
- <a href="int-13.htm" tppabs="http://www.ctyme.com/intr/int-13.htm">
Int 13h</a>
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