mirror of
https://github.com/joncampbell123/dosbox-x.git
synced 2025-10-14 02:17:36 +08:00
55 lines
1.9 KiB
HTML
55 lines
1.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>Int 1D
|
|
</title>
|
|
<meta name="Description" content="
|
|
Int 1D - SYSTEM DATA - VIDEO PARAMETER TABLES -
|
|
Notes: the default parameter table (see #01263) is located at F000h:F0A4h for
|
|
100% compatible BIOSes
|
|
Under PhysTechSoft's PTS ROM-DOS this table is fictitious.
|
|
SeeAlso: INT 10/AH=00h
|
|
Format of video parameters:
|
|
Offset Size Description (Table 01263)
|
|
00h 16 BYTEs 6845 register values for modes 00h and 01h
|
|
10h 16 BYTEs 6845 register values for modes 02h and 03h
|
|
20h 16 BYTEs 6845 register values for modes 04h and 05h
|
|
">
|
|
<meta name="robots" content="none">
|
|
</head>
|
|
<body bgcolor="#FFD0A0">
|
|
<center>
|
|
<h2>Int 1D
|
|
</h2>
|
|
</center>
|
|
<p></p>
|
|
<h3><font color="#C00040">SYSTEM DATA - VIDEO PARAMETER TABLES</font></h3>
|
|
<p><b>Notes:</b>
|
|
The default parameter table (see #01263) is located at F000h:F0A4h for
|
|
100% compatible BIOSes.
|
|
Under PhysTechSoft's PTS ROM-DOS this table is fictitious.
|
|
</p>
|
|
<p></p>
|
|
<pre>
|
|
<p>
|
|
Format of video parameters:
|
|
<a name="table1263"></a>
|
|
Offset Size Description (Table 01263)
|
|
00h 16 BYTEs 6845 register values for modes 00h and 01h
|
|
10h 16 BYTEs 6845 register values for modes 02h and 03h
|
|
20h 16 BYTEs 6845 register values for modes 04h and 05h
|
|
30h 16 BYTEs 6845 register values for modes 06h and 07h
|
|
40h WORD bytes in video buffer for modes 00h and 01h (0800h)
|
|
42h WORD bytes in video buffer for modes 02h and 03h (1000h)
|
|
44h WORD bytes in video buffer for modes 04h and 05h (4000h)
|
|
46h WORD bytes in video buffer for mode 06h (4000h)
|
|
48h 8 BYTEs columns on screen for each of modes 00h through 07h
|
|
50h 8 BYTEs CRT controller mode bytes for each of modes 00h through 07h
|
|
</p></pre>
|
|
<p><b>Note:</b>
|
|
QEMM v7.5 Stealth appears to copy only the first 40h bytes of this
|
|
table into always-accessible memory
|
|
</p>
|
|
</body>
|
|
</html>
|