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       : 
@options    : +g -i -s +x +zz -t4
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View Ref-File7.7.16  Bindings for vrq_choice                                    TOS

 C:          void vrq_choice ( int16_t handle, int16_t ch_in, int16_t 
             *ch_out );

 Binding:

             void vrq_choice (int16_t handle, int16_t ch_in, int16_t *ch_out)
             {
                intin[0] = ch_in;
 
                contrl[0] = 30;
                contrl[1] = 0;
                contrl[3] = 1;
                contrl[6] = handle;
 
                vdi ();
 
                *ch_out = intout[0];
             }

 GEM-Arrays:

              Address    Element    Contents 
              contrl     contrl[0]  30    # Function Opcode 
              contrl+2   contrl[1]  0     # Entry in ptsin 
              contrl+4   contrl[2]  0     # Entry in ptsout 
              contrl+6   contrl[3]  1     # Entry in intin 
              contrl+8   contrl[4]  1     # Entry in intout 
              contrl+12  contrl[6]  handle 
              intin      intin[0]   ch_in 
              intout     intout[0]  ch_out