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
@charset    : atarist
@lang       : 
@default    : Title
@help       : 
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View Ref-File7.8.1.4  Bindings for vq_margins                                   TOS

 C:          int16_t vq_margins( int16_t handle, int16_t *top_margin, 
             int16_t *bottom_margin, int16_t *left_margin, int16_t 
             *right_margin, int16_t *hdpi, int16_t *vdpi );

 Binding:

             int16_t  vq_margins( int16_t handle, int16_t *top_margin,
                               int16_t *bottom_margin, int16_t *left_margin,
                               int16_t *right_margin, int16_t *hdpi,
                               int16_t *vdpi )
             {
                intout[0] = 0;
 
                contrl[0] = 5;
                contrl[1] = 0;
                contrl[3] = 0;
                contrl[5] = 2100;
                contrl[6] = handle;
 
                vdi ();
 
                *top_margin    = intout[1];
                *bottom_margin = intout[2];
                *left_margin   = intout[3];
                *right_margin  = intout[4];
                *hdpi          = intout[5];
                *vdpi          = intout[6];
 
               return ( intout[0] );
             }

 GEM-Arrays:

              Address    Element    Contents 
              contrl     contrl[0]  5     # Function opcode 
              contrl+2   contrl[1]  0     # Entry in ptsin 
              contrl+4   contrl[2]  0     # Entry in ptsout 
              contrl+6   contrl[3]  0     # Entry in intin 
              contrl+8   contrl[4]  7     # Entry in intout 
              contrl+10  contrl[5]  2100  # Escape/Sub-opcode 
              contrl+12  contrl[6]  handle 
              intout     intout[0]  Return Value 
              intout+2   intout[1]  top_margin 
              intout+4   intout[2]  bottom_margin 
              intout+6   intout[3]  left_margin 
              intout+8   intout[4]  right_margin 
              intout+10  intout[5]  hdpi 
              intout+12  intout[6]  vdpi