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<TITLE>Int 2F/AX=1902h
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Int 2F/AX=1902h - DOS 4.x only SHELLB.COM - COMMAND.COM INTERFACE -
AX = 1902h
ES:DI - ASCIZ full filename of current batch file, with at least the
final filename element uppercased
DS:DX - buffer for results
Return: AL = 00h failed, either
(a) final filename element quoted at ES:DI does not match
identity of shell batch file quoted as parameter of most
recent call of SHELLB command, or
(b) no more Program Start Commands available.
AL= FFh success, then:
">
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<h2>Int 2F/AX=1902h
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<h3><font color=#C00040>DOS 4.x only SHELLB.COM - COMMAND.COM INTERFACE</font></h3>
<PRE>
AX = 1902h
ES:DI -> ASCIZ full filename of current batch file, with at least the
final filename element uppercased
DS:DX -> buffer for results<br>
<p><b>Return:</b><br>AL = 00h failed, either
(a) final filename element quoted at ES:DI does not match
identity of shell batch file quoted as parameter of most
recent call of SHELLB command, or
(b) no more Program Start Commands available.
AL= FFh success, then:
memory at DS:[DX+1] onwards filled as:
<p><b>DX+1:</b><br>BYTE count of bytes of PSC
<p><b>DX+2:</b><br>N BYTEs Program Start Command text
BYTE 0Dh terminator
</PRE>
<p><b>Desc:</b>
COMMAND.COM executes the result of this call in preference to
reading a command from a batch file. Thus the batch file does not
advance in execution for so long as SHELLB provides PSCs from its
workspace.
<p><b>Note:</b>
The PSCs are planted in SHELLB workspace by SHELLC, the user
menu interface. The final PSC of a sequence is finished with a
GOTO COMMON, which causes a loop back in the batch file which called
SHELLC so as to execute SHELLC again. The check on batch file name
permits PSCs to CALL nested batch files while PSCs are still stacked
up for subsequent execution.
<p>
<b>Category: <a href="cat-039.htm" tppabs="http://www.ctyme.com/intr/cat-039.htm">
Shells/Command Interpreters</a>
- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
Int 2Fh</a>
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D</a>
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