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<TITLE>Int 15/AH=15h
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Int 15/AH=15h - MultiDOS Plus - GET SYSTEM BLOCK -
AH = 15h
Return: BX:AX - system block (see #00457)
SeeAlso: AH=13hMultiDOS
Format of MultiDOS Plus 4.0 system block:
Offset Size Description (Table 00457)
00h WORD segment of system control block
02h WORD redirection flag set by /NOREDIRECT
04h WORD no-INT 10 flag set by /NO10
06h DWORD old INT 10
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<h2>Int 15/AH=15h
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<h3><font color=#C00040>MultiDOS Plus - GET SYSTEM BLOCK</font></h3>
<PRE>
AH = 15h<br>
<p><b>Return:</b><br>BX:AX -> system block (see #00457)
</PRE>
<p><b>See Also:</b>
<a href="rb-1294.htm" tppabs="http://www.ctyme.com/intr/rb-1294.htm">AH=13h"MultiDOS"</a>
<PRE>
<p>
Format of MultiDOS Plus 4.0 system block:
<a name=table457></a>
Offset Size Description (Table 00457)
00h WORD segment of system control block
02h WORD redirection flag set by /NOREDIRECT
04h WORD no-INT 10 flag set by /NO10
06h DWORD old INT 10
0Ah DWORD new INT 10
0Eh DWORD pointer to WORD with current TCB offset <a href="rb-1294.htm#Table456" tppabs="http://www.ctyme.com/intr/rb-1294.htm#Table456">(see #00456)</a>
12h DWORD pointer to WORD with idle task TCB offset
16h DWORD pointer to WORD with foreground TCB offset <a href="rb-1294.htm#Table456" tppabs="http://www.ctyme.com/intr/rb-1294.htm#Table456">(see #00456)</a>
1Ah DWORD pointer to WORD with MultiDOS TCB offset <a href="rb-1294.htm#Table456" tppabs="http://www.ctyme.com/intr/rb-1294.htm#Table456">(see #00456)</a>
1Eh WORD Task Control Block size
20h WORD number of TCBs
<p><b>22h WORD flag:</b><br>EMS present
24h WORD EMS page frame base segment
26h WORD 16K pages in EMS page frame
28h WORD base segment for conventional memory tasks
2Ah WORD conventional memory size in paragraphs
2Ch DWORD pointer to list of queue pointers
</PRE>
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DOS-Based Task Switchers/Multitaskers</a>
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Int 15h</a>
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