172 lines
11 KiB
HTML
172 lines
11 KiB
HTML
<HTML>
|
|
<HEAD>
|
|
<TITLE>Int 10/AH=05h
|
|
</TITLE>
|
|
<META NAME="Description" CONTENT="
|
|
Int 10/AH=05h - VIDEO - PCjr, Tandy 1000 - SET CRT/CPU PAGE REGISTERS -
|
|
AH = 05h
|
|
AL = subfunction
|
|
81h set CPU page register
|
|
BL = CPU page
|
|
82h set CRT page register
|
|
BH = CRT page
|
|
83h set both CPU and CRT page registers
|
|
BL = CPU page
|
|
BH = CRT page
|
|
Return: nothing
|
|
">
|
|
<META NAME="robots" CONTENT="none">
|
|
</HEAD>
|
|
<BODY BGCOLOR="#FFD0A0">
|
|
<center>
|
|
<h2>Int 10/AH=05h
|
|
</h2>
|
|
</center><p>
|
|
<table border=1 cellpadding=3 cellspacing=1>
|
|
<td>
|
|
<a href="rb-0094.htm" tppabs="http://www.ctyme.com/intr/rb-0094.htm">
|
|
<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
|
|
<a href="rb-0096.htm" tppabs="http://www.ctyme.com/intr/rb-0096.htm">
|
|
<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
|
|
<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
|
|
<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
|
|
<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
|
|
<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
|
|
</td></table><p>
|
|
<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
<h3><font color=#C00040>VIDEO - PCjr, Tandy 1000 - SET CRT/CPU PAGE REGISTERS</font></h3>
|
|
<PRE>
|
|
AH = 05h
|
|
AL = subfunction
|
|
81h set CPU page register
|
|
BL = CPU page
|
|
82h set CRT page register
|
|
BH = CRT page
|
|
83h set both CPU and CRT page registers
|
|
BL = CPU page
|
|
BH = CRT page<br>
|
|
<p><b>Return:</b><br>Nothing
|
|
</PRE>
|
|
<p><b>Notes:</b>
|
|
The CPU page determines which 16K block of the first 128K of physical
|
|
memory will be mapped at B800h by the hardware.
|
|
The CRT page determines the start address of the memory used by the
|
|
video controller
|
|
<p><b>See Also:</b>
|
|
<a href="rb-0094.htm" tppabs="http://www.ctyme.com/intr/rb-0094.htm">AX=0580h</a>
|
|
<p>
|
|
<b>Category: <a href="cat-046.htm" tppabs="http://www.ctyme.com/intr/cat-046.htm">
|
|
Video</a>
|
|
- <a href="int-10.htm" tppabs="http://www.ctyme.com/intr/int-10.htm">
|
|
Int 10h</a>
|
|
- <a href="alpha-v.htm" tppabs="http://www.ctyme.com/intr/alpha-v.htm">
|
|
V</a>
|
|
</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
<table border=1 cellpadding=3 cellspacing=1>
|
|
<td>
|
|
<a href="rb-0094.htm" tppabs="http://www.ctyme.com/intr/rb-0094.htm">
|
|
<img src="lup.gif" tppabs="http://graphics.ctyme.com/gif/lup.gif" border=0 alt=Prev></a>
|
|
<a href="rb-0096.htm" tppabs="http://www.ctyme.com/intr/rb-0096.htm">
|
|
<img src="ldown.gif" tppabs="http://graphics.ctyme.com/gif/ldown.gif" border=0 alt=Next></a>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/rbrown.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/rbrown.htm'" tppabs="http://www.ctyme.com/rbrown.htm">
|
|
<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
|
|
<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
|
|
<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
|
|
<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
|
|
</td></table><p>
|
|
|
|
<!-- Bottom Link Start -->
|
|
|
|
<center>
|
|
|
|
<p><table border=1 bgcolor="#ffff99"><tr><td>
|
|
<table border=0 height=80>
|
|
<tr align=center><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">
|
|
<img src="tip.gif" tppabs="http://graphics.ctyme.com/gif/tip.gif" ALT="Sponsors" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/sponsor.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/sponsor.htm'" tppabs="http://www.ctyme.com/sponsor.htm">Shopping</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">
|
|
<img src="comment.gif" tppabs="http://graphics.ctyme.com/gif/comment.gif" ALT="Forum" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://talk.ctyme.com/webx.cgi?13@@.ee6b2be \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://talk.ctyme.com/webx.cgi?13@@.ee6b2be'" tppabs="http://talk.ctyme.com/webx.cgi?13@@.ee6b2be">Forum</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">
|
|
<img src="mail.gif" tppabs="http://graphics.ctyme.com/gif/mail.gif" ALT="email" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/mail.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/mail.htm'" tppabs="http://www.ctyme.com/mail.htm">EMail</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">
|
|
<img src="toc.gif" tppabs="http://graphics.ctyme.com/gif/toc.gif" ALT="Index" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/map.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/map.htm'" tppabs="http://www.ctyme.com/map.htm">Index</a>
|
|
|
|
</td><td width="65">
|
|
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">
|
|
<img src="home.gif" tppabs="http://graphics.ctyme.com/gif/home.gif" ALT="Home" height="40" width="40"></a>
|
|
<br><a href="javascript:if(confirm('http://www.ctyme.com/ \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/'" tppabs="http://www.ctyme.com/">Home</a>
|
|
|
|
</td><td width="90">
|
|
|
|
<center>
|
|
<FORM ACTION="https://secure.paypal.com/cgi-bin/webscr" tppabs="https://secure.paypal.com/cgi-bin/webscr" METHOD="POST" traget="_blank">
|
|
<INPUT TYPE="hidden" NAME="cmd" VALUE="_xclick">
|
|
<INPUT TYPE="hidden" NAME="business" VALUE="marc@perkel.com">
|
|
<INPUT TYPE="hidden" NAME="return" VALUE="http://www.perkel.com">
|
|
<INPUT TYPE="hidden" NAME="item_name" VALUE="Donation To Support this Site">
|
|
<INPUT TYPE="hidden" NAME="no_intl" VALUE="1">
|
|
<INPUT TYPE="image" SRC="x-click-but7.gif" tppabs="http://images.paypal.com/images/x-click-but7.gif" vspace=9
|
|
NAME="submit" ALT="Make payments with PayPal - it's fast, free and secure!">
|
|
</FORM>
|
|
|
|
</td></tr></table></td></tr></table><p>
|
|
|
|
|
|
<center>
|
|
<p>
|
|
<a href="javascript:if(confirm('http://www.ctyme.com/hosting/index.htm \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/hosting/index.htm'" tppabs="http://www.ctyme.com/hosting/index.htm" target="_blank">
|
|
<img src="ctymehost.gif" tppabs="http://graphics.ctyme.com/gif/ctymehost.gif"
|
|
border=3 height=60 width=468></a>
|
|
<p>
|
|
<!-- Ad End --->
|
|
|
|
</center>
|
|
<FORM ACTION="http://service.bfast.com/bfast/click" target="_blank">
|
|
<INPUT TYPE="hidden" NAME="siteid" VALUE="30472466" >
|
|
<INPUT TYPE="hidden" NAME="bfpage" VALUE="horizontal">
|
|
<INPUT TYPE="hidden" NAME="bfmid" VALUE="27253343" >
|
|
<INPUT TYPE="hidden" NAME="num" VALUE="30">
|
|
|
|
<table bgcolor=white border=3><tr><td>
|
|
<table bgcolor=white border=0>
|
|
<tr><td>
|
|
<IMG SRC="serve-bfmid=27253343&siteid=30472466&bfpage=horizontal.gif" tppabs="http://service.bfast.com/bfast/serve?bfmid=27253343&siteid=30472466&bfpage=horizontal" BORDER="0" WIDTH="1" HEIGHT="1" align=right NOSAVE >
|
|
<center><b>Search the web with Google</b></center>
|
|
</td></tr><tr><td>
|
|
<TABLE cellpadding=0 cellspacing=5 bgcolor="#FFFFFF">
|
|
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr><tr><td>
|
|
<IMG SRC="affiliate_logo.gif" tppabs="http://www.google.com/affiliates/affiliate_logo.gif" border="0" ALT="Google" align="center">
|
|
<INPUT TYPE=text name=q size=30 maxlength=255 value="">
|
|
<INPUT type=submit name=sa VALUE="Go">
|
|
</td></tr>
|
|
<tr><td bgcolor="#0000cc"><IMG SRC="cleardot.gif" tppabs="http://www.google.com/images/cleardot.gif" height=1 border="0" ALT="Google"></td></tr></TABLE>
|
|
</td></tr></table>
|
|
</tr></td></table>
|
|
</FORM>
|
|
|
|
</center>
|
|
|
|
|
|
<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
|
|
|
|
<!-- Bottom Link End -->
|
|
|
|
</BODY>
|
|
</HTML>
|