219 lines
12 KiB
HTML
219 lines
12 KiB
HTML
<HTML>
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<HEAD>
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<TITLE>Int 60
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</TITLE>
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<META NAME="Description" CONTENT="
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Int 60 - INTRSPY/CMDSPY v1.0 only - API -
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Program: INTRSPY is a script-driven debugger included with the book
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_Undocumented_DOS_.
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InstallCheck: determine that a) the handler is an IRET instruction, and
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b) the signature 0Dh INTRSPY vN.NN immediately precedes the handler
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Notes: INTRSPY will hook the first available interrupt in the range 60h-67h.
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If INTRSPY is installed, the DWORD immediately after the IRET stores
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its entry point (see #03275)
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INTRSPY v2.0 (included with the second edition of the book) no longer
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supports this API
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Index: installation check;INTRSPY
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">
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<META NAME="robots" CONTENT="none">
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</HEAD>
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<BODY BGCOLOR="#FFD0A0">
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<center>
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<h2>Int 60
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</h2>
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</center><p>
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<table border=1 cellpadding=3 cellspacing=1>
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<td>
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>INTRSPY/CMDSPY v1.0 only - API</font></h3>
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<p><b>Program:</b>
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INTRSPY is a script-driven debugger included with the book
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_Undocumented_DOS_.
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<PRE>
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<p><b>InstallCheck:</b><br>Determine that a) the handler is an IRET instruction, and
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b) the signature 0Dh "INTRSPY vN.NN" immediately precedes the handler
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</PRE>
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<p><b>Notes:</b>
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INTRSPY will hook the first available interrupt in the range 60h-67h..
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If INTRSPY is installed, the DWORD immediately after the IRET stores
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its entry point <a href="rb-6443.htm#Table3275" tppabs="http://www.ctyme.com/intr/rb-6443.htm#Table3275">(see #03275)</a>.
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INTRSPY v2.0 (included with the second edition of the book) no longer
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supports this API
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<PRE>
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<p><b>Index:</b><br>Installation check;INTRSPY
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<p>
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<a name=table3275></a>
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(Table 03275)
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Call INTRSPY v1.0 entry point with:.
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AH = function
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00h ???
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01h set current directory (for use in reporting)
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ES:DI -> counted string containing directory name (max 79 char)
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02h set name of script file
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ES:DI -> counted string containing file name (max 79 chars)
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03h set script arguments
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ES:DI -> counted string containing arguments (max 79 chars)
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04h get directory set with function 01h
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ES:DI -> 80-byte buffer for directory name
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05h get name of script file
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ES:DI -> 80-byte buffer for script filename
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06h get script arguments
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ES:DI -> 80-byte buffer for script arguments
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07h get ???
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CL = 00h-15h specifies what to get
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ES:DI -> WORD to be set with desired value on return
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08h get ???
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ES:DI -> WORD to be set with returned value
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09h get ???
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ES:DI -> WORD to be set with returned value
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0Bh store code for interrupt handler???
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ES:DI -> data
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CX = number of bytes
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0Ch ???
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ES:DI -> ???
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0Dh get ???
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ES:DI -> BYTE to be set with returned value
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0Eh set ??? flag
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0Fh clear ??? flag
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10h ???
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<p><b>Return:</b><br>AL = 04h or 05h if failed
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11h ???
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<p><b>Return:</b><br>AL = 05h if failed
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12h get ???
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ES:DI -> buffer
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<p><b>Return:</b><br>CX = number of bytes returned in buffer
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13h ???<br>
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<p><b>Return:</b><br>AH = 00h
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AL = status
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00h successful
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01h invalid function
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02h ???
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03h ???
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04h ???
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05h ???
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</PRE>
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<p>
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<b>Category: <a href="cat-006.htm" tppabs="http://www.ctyme.com/intr/cat-006.htm">
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Debuggers/Debugging Tools</a>
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- <a href="int-60.htm" tppabs="http://www.ctyme.com/intr/int-60.htm">
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Int 60h</a>
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- <a href="alpha-i.htm" tppabs="http://www.ctyme.com/intr/alpha-i.htm">
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I</a>
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</b><p><p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<img src="lhome.gif" tppabs="http://graphics.ctyme.com/gif/lhome.gif" border=0 alt=Ralf Brown Page></a>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
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<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<td><a href="alpha.htm" tppabs="http://www.ctyme.com/intr/alpha.htm">Contents</a></td>
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</td></table><p>
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