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oldlinux-files/docs/interrupts/int-html/rb-0238.htm
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<TITLE>Int 10/AX=1F01h
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Int 10/AX=1F01h - VIDEO - XGA - READ DMQS DATA -
AX = 1F01h
ES:DI - user buffer for return data (call AX=1F00h for size)
Return: AL = 1Fh if function supported
user buffer filled with DMQS data (see #00060)
Note: not supported on the original IBM XGA, only on XGA-NI (non-interlaced)
and later models.
SeeAlso: AH=1Bh,AX=1F00h,AX=3000h
Format of XGA DMQS buffer:
Offset Size Description (Table 00060)
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<h3><font color=#C00040>VIDEO - XGA - READ DMQS DATA</font></h3>
<PRE>
AX = 1F01h
ES:DI -> user buffer for return data (call AX=1F00h for size)<br>
<p><b>Return:</b><br>AL = 1Fh if function supported
user buffer filled with DMQS data <a href="rb-0238.htm#Table60" tppabs="http://www.ctyme.com/intr/rb-0238.htm#Table60">(see #00060)</a>
</PRE>
<p><b>Note:</b>
Not supported on the original IBM XGA, only on XGA-NI (non-interlaced)
and later models.
<p><b>See Also:</b>
<a href="rb-0221.htm" tppabs="http://www.ctyme.com/intr/rb-0221.htm">AH=1Bh</a> - <a href="rb-0237.htm" tppabs="http://www.ctyme.com/intr/rb-0237.htm">AX=1F00h</a> - <a href="rb-0241.htm" tppabs="http://www.ctyme.com/intr/rb-0241.htm">AX=3000h</a>
<PRE>
<p>
Format of XGA DMQS buffer:
<a name=table60></a>
Offset Size Description (Table 00060)
00h WORD offset (in bytes) to DMQS data for next XGA instance
02h BYTE slot number
03h BYTE XGA implementation function level identifier
04h BYTE XGA implementation resolution level identifier
05h WORD vendor identifier - identifies card vendor
07h WORD vendor defined field
09h WORD XGA adapter I/O register base address
0Bh WORD XGA coprocessor register base address
(paragraph--multiply by 10h to get physical address)
0Dh WORD 1 Megabyte system video memory aperture
0000h if not allocated
(Multiply by 100000h to get physical address)
0Fh WORD 4 Megabyte system video memory aperture
0000h if not allocated
(multiply by 100000h to get physical address)
11h WORD video memory base address
(multiply by 100000h to get physical address)
13h WORD composite ID of the attached display
15h BYTE amount of video memory available, in multiples of 256K bytes
16h DWORD alternate XGA coprocessor register base address. 0 = none.
1Ah var DMQS Data for further XGA Instances (as above)
</PRE>
<p><b>Note:</b>
"Instances" refers to the capability of having up to 8 XGA
adapters in one computer.
<p><b>See Also:</b>
#00061
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