Int 6F  - Novell Netware - Pcox Api (3270 Pc Terminal Interface)           [N]

   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 #3409)
       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 -> 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 -> data buffer

       Return: AX = return code
           CX = length of PIF data
       0011h perform structured field operation
       CX = request number
       DS:DX -> parameter list

       Return: AX = status word (see #3409)
           CX = error number
       0012h set cursor position for direct write buffer
       DX = new cursor position

       Return: AX = status word (see #3409)
       0013h write direct to buffer
       DL = character to be written
       DH = translation option

       Return: AX = status word (see #3409)
       0014h write direct to buffer without echo
       DL = character to be written
       DH = translation option

       Return: AX = status word (see #3409)
       0015h set direct write string length
       DX = string value

       Return: nothing
       0016h write string direct to buffer
       DS:DX -> string

       Return: AX = status word (see #3409)
       0017h write string direct to buffer, untranslated
       DS:DX -> string

       Return: AX = status word (see #3409)
       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 -> buffer for field contents

       Return: AX = status word (see #3409)
       0025h read screen
       DS:DX -> buffer for screen contents

       Return: AX = status word (see #3409)
       0026h read buffer untranslated
       DX = cursor position

       Return: AX = buffer code
           CX:BX -> 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)

Bitfields for PCOX status word:
Bit(s) Description (Table 3409)
 0,1   cursor type
 2 cursor inhibited
 3 display inhibited
 4 feature step inhibited
 5 480-character format code
 6,7   unused
 8-10  model number (2-5)
 11    unit has been reset by controller (cleared after status returned)
 12    buffer has been written into (cleared after status returned)
 13    alarm has been sounded (cleared after status returned)
 14-15 monitor type (01 mono, 10 color, 11 hybrid)