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<TITLE>Int 21/AX=2512h
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Int 21/AX=2512h - Phar Lap 386/DOS-Extender - LOAD PROGRAM FOR DEBUGGING -
AX = 2512h
DS:EDX - pointer to ASCIZ program name
ES:EBX - pointer to parameter block (see #01363)
ECX = size in bytes of LDT buffer
Return: CF clear if successful
EAX = number of segment descriptors in LDT
CF set on error
EAX = error code (see #01362)
SeeAlso: AX=2517h
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<h2>Int 21/AX=2512h
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<h3><font color=#C00040>Phar Lap 386/DOS-Extender - LOAD PROGRAM FOR DEBUGGING</font></h3>
<PRE>
AX = 2512h
DS:EDX -> pointer to ASCIZ program name
ES:EBX -> pointer to parameter block <a href="rb-2620.htm#Table1363" tppabs="http://www.ctyme.com/intr/rb-2620.htm#Table1363">(see #01363)</a>
ECX = size in bytes of LDT buffer<br>
<p><b>Return:</b><br>CF clear if successful
EAX = number of segment descriptors in LDT
CF set on error
EAX = error code <a href="rb-2620.htm#Table1362" tppabs="http://www.ctyme.com/intr/rb-2620.htm#Table1362">(see #01362)</a>
</PRE>
<p><b>See Also:</b>
<a href="rb-2625.htm" tppabs="http://www.ctyme.com/intr/rb-2625.htm">AX=2517h</a>
<PRE>
<p>
<a name=table1362></a>
(Table 01362)
Values for Phar Lap error code:
02h file not found or path invalid
05h access denied
08h insufficient memory
0Ah environment invalid
0Bh invalid file format
80h LDT too small
<p>
Format of Phar Lap program load parameter block:
<a name=table1363></a>
Offset Size Description (Table 01363)
Input:
00h DWORD 32-bit offset of environment string
04h WORD segment of environment string
06h DWORD 32-bit offset of command-tail string
0Ah WORD segment of command-tail string
0Ch DWORD 32-bit offset of LDT buffer (size in ECX)
10h WORD segment of LDT buffer
Output:
12h WORD real-mode paragraph address of PSP (see also AH=26h)
14h WORD real/protected mode flag
0000h real mode
0001h protected mode
16h DWORD initial EIP value
1Ah WORD initial CS value
1Ch DWORD initial ESP value
20h WORD initial SS value
22h WORD initial DS value
24h WORD initial ES value
26h WORD initial FS value
28h WORD initial GS value
</PRE>
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DOS Extenders</a>
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Int 21h</a>
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