Category: <b>network</b>
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<pre><b>INT 6F - Novell NetWare - PCOX API (3270 PC terminal interface)</b>

	AX = function
	    0000h enter terminal mode
		Return: AX = status
			    0000h no action requested
			    0001h screen save
	    0001h reset interface and set configuration parameters
		DX = bitfields
		    bits 2-0: model number
		    bits 4-3: I/O address
		    bits 6-5: DMA channel
		Return: nothing
	    0002h set display parameters
		DX = bitfields
		    bits 1-0: OIA mode
		    bits 4-2: monitor support
		Return: nothing
	    0003h read status
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0004h read cursor position
		Return: AX = cursor position
	    0005h get character from device buffer
		DX = cursor position
		Return: AH = type (00h data, 01h attribute)
			AL = data or attribute character
	    0006h send character
		DH = type (00h ASCII, 01h extended code)
		DL = ASCII character or extended code
		Return: nothing
	    0007h set timeout
		DX = timeout in seconds
		Return: nothing
	    0008h wait for location to be modified
		DX = cursor position
		Return: AX = status (0000h modified, nonzero timeout)
	    0009h NOP
	    000Ah restore display
		Return: nothing
	    000Bh update device buffer
		Return: AX = cursor positoin
	    000Ch write string to add information area
		DS:DX -&gt; string
		Return: nothing
	    000Dh maintenance operations
		DX = maintenance operation code
		Return: AX = operation status
	    000Eh get control program version
		Return: AH = release number (major version)
			AL = level number (minor version)
	    000Fh get microcode version
		Return: AH = release number (major version)
			AL = level number (minor version)
	    0010h save or display graphics
		BX = length of data buffer
		CX = subfunction request code
		DS:DX -&gt; data buffer
		Return: AX = return code
			CX = length of PIF data
	    0011h perform structured field operation
		CX = request number
		DS:DX -&gt; parameter list
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
			CX = error number
	    0012h set cursor position for direct write buffer
		DX = new cursor position
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0013h write direct to buffer
		DL = character to be written
		DH = translation option
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0014h write direct to buffer without echo
		DL = character to be written
		DH = translation option
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0015h set direct write string length
		DX = string value
		Return: nothing
	    0016h write string direct to buffer
		DS:DX -&gt; string
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0017h write string direct to buffer, untranslated
		DS:DX -&gt; string
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0018h get direct-write cursor position
		Return: AX = cursor position
	    0019h convert row/column to cursor position
		DH = display row (1-43)
		DL = display column (1-132)
		Return: AX = cursor position
	    001Ah convert cursor position to row/column
		DX = cursor position
		Return: AH = display row
			AL = display column
	    001Bh find next field
		DX = initial cursor position
		Return: AX = field cursor position
	    001Ch find previous field
		DX = initial cursor position
		Return: AX = field cursor position
	    001Dh find next unprotected field
		DX = initial cursor position
		Return: AX = field cursor position
	    001Eh find previous unprotected field
		DX = initial cursor position
		Return: AX = field cursor position
	    001Fh find next protected field
		DX = initial cursor position
		Return: AX = field cursor position
	    0020h find previous protected field
		DX = initial cursor position
		Return: AX = field cursor position
	    0021h masked search forward
		DH = mask
		DL = search pattern
		Return: AX = cursor position or 0000h
	    0022h masked search backward
		DH = mask
		DL = search pattern
		Return: AX = cursor position or 0FFFh
	    0023h find field length
		DX = cursor position
		Return: AX = field length
	    0024h read field
		DS:DX -&gt; buffer for field contents
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0025h read screen
		DS:DX -&gt; buffer for screen contents
		Return: AX = status word (see <a href=../../it/38/37.html>#03738</a>)
	    0026h read buffer untranslated
		DX = cursor position
		Return: AX = buffer code
			CX:BX -&gt; 3278/79 device buffer image
	    0027h enable/disable keyboard
		DL = new state of keyboard breaks (00h enabled, 01h disabled)
		Return: nothing
	    0028h select host session
		DL = session short name
		Return: AX = session information
	    0029h retrieve host session name
		AX = short name (DFT) or 0000h (not available, CUT mode)
	    002Ah get current device buffer size
		Return: AX = device buffer size
			CX = segment of EAB
	    002Bh arm modified location trigger
		DX = cursor position
		Return: AX = status (0000h not available, 0001h successful)

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