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<TITLE>Int EF/CX=0473h
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Int EF/CX=0473h - GEM - VDI INTERFACE -
CX = 0473h
DS:DX - GEM VDI parameter block (see #04066)
Note: if installed, one of the following ASCII signatures will appear two
bytes after the INT EF entry point:
GEMVDI GEM VDI (but not AES) is present
GEMAES GEM/ViewMAX VDI and AES are both present
ViewMAX ViewMAX VDI (only) is present
each of the above is followed by an ASCIZ number indicating the
version (10 for GEM/1 AES and VDI; 20 for GEM/2,GEM/3,ViewMAX
AES and GEM/2 VDI; 23 for GEM/3 VDI; and 1 for ViewMAX VDIs)
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<h2>Int EF/CX=0473h
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<h3><font color=#C00040>GEM - VDI INTERFACE</font></h3>
<PRE>
CX = 0473h
DS:DX -> GEM VDI parameter block <a href="rb-8666.htm#Table4066" tppabs="http://www.ctyme.com/intr/rb-8666.htm#Table4066">(see #04066)</a>
</PRE>
<p><b>Note:</b>
If installed, one of the following ASCII signatures will appear two
bytes after the INT EF entry point:
"GEMVDI" GEM VDI (but not AES) is present
"GEMAES" GEM/ViewMAX VDI and AES are both present
"ViewMAX" ViewMAX VDI (only) is present
each of the above is followed by an ASCIZ number indicating the
version ("10" for GEM/1 AES and VDI; "20" for GEM/2,GEM/3,ViewMAX
AES and GEM/2 VDI; "23" for GEM/3 VDI; and "1" for ViewMAX VDIs)
<p><b>See Also:</b>
<a href="rb-8664.htm" tppabs="http://www.ctyme.com/intr/rb-8664.htm">INT EF/CX=00C8h</a> - <a href="rb-8665.htm" tppabs="http://www.ctyme.com/intr/rb-8665.htm">INT EF/CX=00C9h</a>
<PRE>
<p><b>Index:</b><br>Installation check;GEM
<p>
Format of VDI parameter block:
<a name=table4066></a>
Offset Size Description (Table 04066)
00h DWORD -> control array <a href="rb-8666.htm#Table4067" tppabs="http://www.ctyme.com/intr/rb-8666.htm#Table4067">(see #04067)</a>
08h DWORD -> integer parameters
0Ch DWORD -> (x,y) pair parameters
10h DWORD -> integer results
14h DWORD -> (x,y) pair results
</PRE>
<p><b>See Also:</b>
#04064
<PRE>
<p>
Format of VDI control array:
<a name=table4067></a>
Offset Size Description (Table 04067)
00h WORD (call) function number (0001h-0084h)
02h WORD (call) number of words of pair parameters
04h WORD (ret) number of words of pair results
06h WORD (call) number of words of integer parameters
08h WORD (ret) number of words of integer results
0Ah WORD subfunction number
0Ch WORD graphics handle
0Eh DWORD (call) -> pointer parameter
12h DWORD (ret) -> pointer result
</PRE>
<p><b>See Also:</b>
#04066
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