259 lines
14 KiB
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259 lines
14 KiB
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<TITLE>Int 21/AX=2B44h/BX=4D41h
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<META NAME="Description" CONTENT="
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Int 21/AX=2B44h/BX=4D41h - PcANYWHERE IV/LAN - INSTALLATION CHECK -
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AX = 2B44h ('D')
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BX = 4D41h ('MA')
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CX = 7063h ('pc')
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DX = 4157h ('AW')
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Return: AX = resident program
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4F4Bh ('OK') if large host resident
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6F6Bh ('ok') if small host resident
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CX:DX - API entry point (see #01389)
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SeeAlso: INT 16/AH=79h
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<h2>Int 21/AX=2B44h/BX=4D41h
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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>PcANYWHERE IV/LAN - INSTALLATION CHECK</font></h3>
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<PRE>
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AX = 2B44h ('D')
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BX = 4D41h ('MA')
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CX = 7063h ('pc')
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DX = 4157h ('AW')<br>
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<p><b>Return:</b><br>AX = resident program
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4F4Bh ('OK') if large host resident
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6F6Bh ('ok') if small host resident
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CX:DX -> API entry point <a href="rb-2698.htm#Table1389" tppabs="http://www.ctyme.com/intr/rb-2698.htm#Table1389">(see #01389)</a>
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</PRE>
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<p><b>See Also:</b>
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<a href="rb-1856.htm" tppabs="http://www.ctyme.com/intr/rb-1856.htm">INT 16/AH=79h</a>
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<PRE>
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<p>
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<a name=table1389></a>
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(Table 01389)
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Call pcANYWHERE API entry point with:.
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AX = 0000h get pcANYWHERE IV version
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DS:SI -> BYTE buffer for host type code
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<p><b>Return:</b><br>AH = version number
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AL = revision number
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DS:DI buffer byte filled with
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00h full-featured host
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01h limited-feature LAN host
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other API may not be supported.
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AX = 0001h initialize operation
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DS:SI -> initialization request structure <a href="rb-2698.htm#Table1390" tppabs="http://www.ctyme.com/intr/rb-2698.htm#Table1390">(see #01390)</a>
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<p><b>Return:</b><br>AX = function status (see #01393).
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AX = 0002h get status
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<p><b>Return:</b><br>AH = current operating mode (see #01390)
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AL = current connection status <a href="rb-2698.htm#Table1392" tppabs="http://www.ctyme.com/intr/rb-2698.htm#Table1392">(see #01392)</a>.
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AX = 0003h suspend remote screen updates
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<p><b>Return:</b><br>AX = function status (see #01393).
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AX = 0004h resume screen updates
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<p><b>Return:</b><br>AX = function status (see #01393).
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AX = 0005h end current remote access session
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DS:SI -> termination request structure <a href="rb-2698.htm#Table1391" tppabs="http://www.ctyme.com/intr/rb-2698.htm#Table1391">(see #01391)</a>
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<p><b>Return:</b><br>AX = function status (see #01393).
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AX = 0006h remove pcANYWHERE IV from memory
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<p><b>Return:</b><br>AX = status (see #01393).
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AX = 8000h read data from communications channel
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DS:BX -> buffer
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CX = buffer size
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<p><b>Return:</b><br>AX >= number of characters read/available
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AX < 0 on error.
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AX = 8001h write data to communications channel
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DS:BX -> buffer
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CX = buffer size
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<p><b>Return:</b><br>AX >= number of characters written
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AX < 0 on error.
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AX = 8002h get connection status
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<p><b>Return:</b><br>AX = status
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> 0000h if connection active
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= 0000h if connection lost
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< 0000h on error
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<p>
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Format of pcANYWHERE initialization request structure:
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<a name=table1390></a>
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Offset Size Description (Table 01390)
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00h BYTE operating mode
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00h wait for a call
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01h hot key activates
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02h incoming call activates
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03h initiate a call
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01h 3 BYTEs user ID to append to config file names
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04h WORD DS-relative pointer to path for config files
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06h WORD DS-relative pointer to path for program files
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<p>
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Format of pcANYWHERE termination request structure:
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<a name=table1391></a>
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Offset Size Description (Table 01391)
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00h BYTE operating mode after termination
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00h wait for a call
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01h hot key activates
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02h incoming call activates
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80h use current mode
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FFh remove from memory
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<p>
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Bitfields for current connection status:
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<a name=table1392></a>
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Bit(s) Description (Table 01392)
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0 a physical connection is active
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1 remove screen updating is active
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2 connection checking is active
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3 hot key detection is active
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4 background file transfer is active
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<p>
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<a name=table1393></a>
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(Table 01393)
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Values for pcANYWHERE function status:
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0000h function completed successfully
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FFD1h unable to release interrupt vectors
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FFD2h unable to release allocated memory
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FFF2h unable to establish a connection when operating mode is
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"Initiate a call"
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FFF3h modem configuration is invalid (corrupt config)
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FFF4h modem initialization failed (no modem response)
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FFF5h the communications device could not be initialized
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FFF6h the host operator aborted the function
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FFF7h the communications driver type specified in the configuration file is
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different than the one loaded when pcANYWHERE IV was started
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FFF9h the configuration file is invalid
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FFFAh the configuration file could not be found
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FFFBh no session is active
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FFFCh a remote access session is active
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FFFDh the specified operating mode is invalid
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</PRE>
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<p>
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<b>Category: <a href="cat-033.htm" tppabs="http://www.ctyme.com/intr/cat-033.htm">
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Remote Control/File Access</a>
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- <a href="int-21.htm" tppabs="http://www.ctyme.com/intr/int-21.htm">
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Int 21h</a>
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