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oldlinux-files/docs/interrupts/int-html/rb-0646.htm
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<TITLE>Int 13/AH=18h/CX=D2C9h
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Int 13/AH=18h/CX=D2C9h - XDF.COM - API -
AH = 18h
CX = D2C9h (R+80h, I+80h = Roger Ivey)
DX = 0000h
BX = function
0000h installation check
Return: AH = 0Ch
CX = 7269h (ri = Roger Ivey)
ES = segment of driver
CF set
2F64h (/d) disable the driver
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<h2>Int 13/AH=18h/CX=D2C9h
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<h3><font color=#C00040>XDF.COM - API</font></h3>
<PRE>
AH = 18h
CX = D2C9h ("R"+80h, "I"+80h = Roger Ivey)
DX = 0000h
BX = function
0000h installation check
<p><b>Return:</b><br>AH = 0Ch
CX = 7269h ("ri" = Roger Ivey)
ES = segment of driver
CF set
2F64h ("/d") disable the driver
<p><b>Return:</b><br>AH = 0Ch
ES:BX = pointer to activation flag (it is set to 0:
set it to 1 to enable the driver again)
CX = 7269h
CF set
2F75h ("/u") unload the driver (restore interrupts & free memory)
<p><b>Return:</b><br>AH = 0Ch
DL = 55h ("U") if successful
= 00h if fails
CX = 7269h
ES = segment of driver
CF set
AL, BX, DH, and DI destroyed
</PRE>
<p><b>Program:</b>
XDF is a TSR provided with PC-DOS 7.0 to support XDF 1.84M disks,
developed by Roger D. Ivey
<p><b>Note:</b>
After disabling or enabling the driver, a disk change must be performed
or simulated to reset the driver.
<p>
<b>Category: <a href="cat-008.htm" tppabs="http://www.ctyme.com/intr/cat-008.htm">
Disk I/O Enhancements</a>
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Int 13h</a>
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