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<TITLE>Int 2F/AX=8221h
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<META NAME="Description" CONTENT="
Int 2F/AX=8221h - MODRES - INSTALLATION CHECK -
AX = 8221h
Return: AX = status
5722h successful
other MODRES not installed
BX = BCD version number (BH = major, BL = minor)
DX:CX - Output Device structure (read-only) (see #02961)
SeeAlso: AX=8220h,AX=8222h,AX=8225h,AX=8227h
Format of Output Device structure [array]:
Offset Size Description (Table 02961)
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<h2>Int 2F/AX=8221h
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<h3><font color=#C00040>MODRES - INSTALLATION CHECK</font></h3>
<PRE>
AX = 8221h<br>
<p><b>Return:</b><br>AX = status
5722h successful
other MODRES not installed
BX = BCD version number (BH = major, BL = minor)
DX:CX -> Output Device structure (read-only) <a href="rb-5036.htm#Table2961" tppabs="http://www.ctyme.com/intr/rb-5036.htm#Table2961">(see #02961)</a>
</PRE>
<p><b>See Also:</b>
<a href="rb-5035.htm" tppabs="http://www.ctyme.com/intr/rb-5035.htm">AX=8220h</a> - <a href="rb-5037.htm" tppabs="http://www.ctyme.com/intr/rb-5037.htm">AX=8222h</a> - <a href="rb-5040.htm" tppabs="http://www.ctyme.com/intr/rb-5040.htm">AX=8225h</a> - <a href="rb-5042.htm" tppabs="http://www.ctyme.com/intr/rb-5042.htm">AX=8227h</a>
<PRE>
<p>
Format of Output Device structure [array]:
<a name=table2961></a>
Offset Size Description (Table 02961)
00h 20 BYTEs ASCIZ name of the output device
(end of list if first char is FFh)
14h WORD apparently always FFFFh
16h WORD 0000h if output device not available
else first I/O port for the output device
18h WORD second I/O port for the output device (for example
if it is stereo)
000oh if only one port used or device is not available
1Ah 7 BYTEs ???
</PRE>
<p><b>See Also:</b>
#02960 - #02962
<PRE>
<p>
<a name=table2962></a>
(Table 02962)
Values for MODRES v1.52 output device index:
00h PC speaker
01h D/A Converter on LPT1
02h D/A Converter on LPT2
03h D/A Converter on LPT3
04h D/A Converter on LPT4
05h D/A Converter on LPT1&LPT2 (stereo)
06h D/A Converter on LPT1&LPT2 (mono)
07h Sound Blaster (port 02x0h)
08h User Defined D/A (mono)
09h User Defined D/A (stereo)
0Ah Stereo-on-1
0Bh Disney SS su LPT1
0Ch Disney SS su LPT2
0Dh Disney SS su LPT3
0Eh Disney SS su LPT4
</PRE>
<p><b>Note:</b>
This list may vary between versions of MODRES
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