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<TITLE>Int 7C
</TITLE>
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Int 7C - PRINDIR v8.02-8.xx - API -
AH = function
00h set output to Invisible mode
01h set output to LPT1
02h set output to LPT2
03h set output to LPT3
04h set output to COM1
05h set output to COM2
06h set output to COM3
07h set output to COM4
08h set output to screen
">
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<h2>Int 7C
</h2>
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<h3><font color=#C00040>PRINDIR v8.02-8.xx - API</font></h3>
<PRE>
AH = function
00h set output to Invisible mode
01h set output to LPT1
02h set output to LPT2
03h set output to LPT3
04h set output to COM1
05h set output to COM2
06h set output to COM3
07h set output to COM4
08h set output to screen
09h set output to file
0Ah change file path
ES:DI -> new path
CX = length of path (max 41, but not range-checked)
0Bh change file name
ES:DI -> new filename
CX = length of new name (max 41, but not range-checked)
0Ch set redirected device
(01h = LPT1 ... 03h = LPT3, 04h = COM1 ... 07h = COM4)
0Dh force buffer dump
0Eh set display color
AL = new color attribute <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 #00014 at INT 10/AH=08h)
0Fh set popup hotkey
AL = hotkey scancode
10h toggle byte display
AL = new state (00h off, 01h on)
11h change buffer flush delay
AL = timer ticks before flush<br>
<p><b>Return:</b><br>AX = status
0000h successful
0001h invalid function or nothing in buffer to be dumped
(documented as "nonzero = error")
</PRE>
<p><b>Program:</b>
PRINDIR is a shareware printer-redirection program by J.M. Allen
Creations
<PRE>
<p><b>InstallCheck:</b><br>Test for the ASCIZ signature "PRINDIR N.NN" (where N.NN is the
version number) two bytes beyond the start of the interrupt handler
</PRE>
<p><b>Note:</b>
Prior versions of PRINDIR used INT 7A instead of INT 7C
<p><b>See Also:</b>
<a href="rb-7840.htm" tppabs="http://www.ctyme.com/intr/rb-7840.htm">INT 7A"PRINDIR"</a> - <a href="rb-4990.htm" tppabs="http://www.ctyme.com/intr/rb-4990.htm">INT 2F/AX=7F00h"PRINDIR"</a>
<PRE>
<p><b>Index:</b><br>Hotkeys;PRINDIR
</PRE>
<p>
<b>Category: <a href="cat-032.htm" tppabs="http://www.ctyme.com/intr/cat-032.htm">
Printer Enhancements</a>
- <a href="int-7c-1.htm" tppabs="http://www.ctyme.com/intr/int-7C.htm">
Int 7Ch</a>
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