Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
Nodes       : 3010
Index Size  : 93790
HCP-Version : 5
Compiled on : Atari
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View Ref-File7.10.32  Changes in PC-GEM                                         TOS

From PC-GEM/3 onwards the work_in field of v_opnwk was extended, so 
that one could still undertake some driver settings at runtime. The 
following information however is not compatible to Atari GEM or to 
NVDI. The following apply:

 Element       Meaning

 work_in[11]   In the lower value byte the output is specified more 
               exactly. Output is to:
                0 =    File
                1 =    Serial port
                2 =    Parallel port
                3 =    Device-specific (direct)
                255 =  Default port
               In the higher value byte the page size is specified:
                0 =    Letter size ( 8.50 * 11.00 inch)
                5 =    Half size ( 8.50 * 5.50 inch)
                10 =   B5 size (18.20 * 25.00 cm)
                20 =   Letter size ( 8.50 * 11.00 inch)
                30 =   A4 size (21.00 * 29.70 cm)
                40 =   Legal size ( 8.50 * 14.00 inch)
                50 =   Double size (11.00 * 17.00 inch)
                55 =   Broadsheet (14.00 * 11.00 inch)
                255 =  Benutzerspezifiziert (work_in[101,102])
 work_in[12]   Output port or filename
 ...
 ...
 work_in[100]
 work_in[101]  Page width in 1/100 inch
 work_in[102]  Page height in 1/100 inch
 work_out[14]  Has the value 11 if escapement text is available
 work_out[24]  Has the value 1 if escapement text is the only 
               available text on the output device, or otherwise the 
               value 10
 work_out[44]  A value of -1 means that the output device can output 
               in landscape format without the application having to 
               rotate the graphic itself. The OUTPUT program of PC-GEM 
               however takes on the rotation itself, as this option 
               was not yet available in older GEM versions.

Note: If work_in[11] has the value 1 or 2, then work_in[12] must be 
set to the port number (LPT1 = 0, LPT2 = 1, COM1 = 0, etc.). On the 
other hand if work_in[11] has the value 0, then the name of the file 
which is to be written must be contained in work_in[12] onwards; this 
will be written character by character (16-bit WORDS) and must be 
NULL-terminated.

See Also: Control functions   v_opnwk