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oldlinux-files/docs/interrupts/int-html/rb-4124.htm
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<TITLE>Int 29
</TITLE>
<META NAME="Description" CONTENT="
Int 29 - DOS 2+ - FAST CONSOLE OUTPUT -
AL = character to display
Return: nothing
BX may be destroyed by some versions of DOS 3.3
Notes: automatically called when writing to a device with bit 4 of its device
driver header set (see also INT 21/AH=52h)
COMMAND.COM v3.2 and v3.3 compare the INT 29 vector against the INT 20
vector and assume that ANSI.SYS is installed if the segment is larger
the default handler under DOS 2.x and 3.x simply calls INT 10/AH=0Eh
the default handler under DESQview 2.2 understands the Esc[2J
screen-clearing sequence, calls INT 10/AH=0Eh for all others
">
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<h2>Int 29
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<h3><font color=#C00040>DOS 2+ - FAST CONSOLE OUTPUT</font></h3>
<PRE>
AL = character to display<br>
<p><b>Return:</b><br>Nothing
BX may be destroyed by some versions of DOS 3.3
</PRE>
<p><b>Notes:</b>
Automatically called when writing to a device with bit 4 of its device
driver header set (see also INT 21/AH=52h).
COMMAND.COM v3.2 and v3.3 compare the INT 29 vector against the INT 20
vector and assume that ANSI.SYS is installed if the segment is larger.
The default handler under DOS 2.x and 3.x simply calls INT 10/AH=0Eh.
The default handler under DESQview 2.2 understands the <Esc>[2J
screen-clearing sequence, calls INT 10/AH=0Eh for all others
<p><b>See Also:</b>
<a href="rb-2983.htm" tppabs="http://www.ctyme.com/intr/rb-2983.htm">INT 21/AH=52h</a> - <a href="rb-4282.htm" tppabs="http://www.ctyme.com/intr/rb-4282.htm">INT 2F/AX=0802h</a> - <a href="rb-7830.htm" tppabs="http://www.ctyme.com/intr/rb-7830.htm">INT 79"AVATAR.SYS"</a>
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<b>Category: <a href="cat-010.htm" tppabs="http://www.ctyme.com/intr/cat-010.htm">
DOS Kernel</a>
- <a href="int-29.htm" tppabs="http://www.ctyme.com/intr/int-29.htm">
Int 29h</a>
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D</a>
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