/[gxemul]/trunk/src/devices/lk201.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 22 by dpavlin, Mon Oct 8 16:19:37 2007 UTC revision 42 by dpavlin, Mon Oct 8 16:22:32 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   *  Copyright (C) 2003-2005  Anders Gavare.  All rights reserved.   *  Copyright (C) 2003-2007  Anders Gavare.  All rights reserved.
3   *   *
4   *  Redistribution and use in source and binary forms, with or without   *  Redistribution and use in source and binary forms, with or without
5   *  modification, are permitted provided that the following conditions are met:   *  modification, are permitted provided that the following conditions are met:
# Line 25  Line 25 
25   *  SUCH DAMAGE.   *  SUCH DAMAGE.
26   *     *  
27   *   *
28   *  $Id: lk201.c,v 1.25 2005/12/26 14:14:38 debug Exp $   *  $Id: lk201.c,v 1.29 2007/06/15 20:11:27 debug Exp $
29   *     *
30   *  LK201 keyboard and mouse specifics, used by the dc7085 and scc serial   *  COMMENT: LK201 keyboard and mouse, used by the dc7085 and scc controllers
  *  controller devices.  
31   */   */
32    
33  #include <stdio.h>  #include <stdio.h>
# Line 37  Line 36 
36    
37  #include "console.h"  #include "console.h"
38  #include "devices.h"  #include "devices.h"
39    #include "machine.h"
40  #include "misc.h"  #include "misc.h"
41    
42  #include "dc7085.h"     /*  for port names  */  #include "dc7085.h"     /*  for port names  */
# Line 151  void lk201_convert_ascii_to_keybcode(str Line 151  void lk201_convert_ascii_to_keybcode(str
151  /*  /*
152   *  lk201_send_mouse_update_sequence():   *  lk201_send_mouse_update_sequence():
153   *   *
154   *  mouse_x,y,buttons contains the coordinates on the host's display, the   *  mouse_x, _y, _buttons contains the coordinates on the host's display, the
155   *  "goal" of where we want to move. d->mouse_* contains the current state.   *  "goal" of where we want to move.
156   *   *
157   *  TODO:  Comment this better.   *  d->mouse_x, _y, _buttons contain the last values transmitted to the
158     *  emulated machine.
159   */   */
160  void lk201_send_mouse_update_sequence(struct lk201_data *d, int mouse_x,  static int lk201_send_mouse_update_sequence(struct lk201_data *d, int mouse_x,
161          int mouse_y, int mouse_buttons, int mouse_fb_nr)          int mouse_y, int mouse_buttons, int mouse_fb_nr)
162  {  {
163          int xsign, xdelta, ysign, ydelta, m;          int xsign, xdelta, ysign, ydelta, m;
         int framebuffer_nr;  
   
         if (d->old_host_mouse_x == mouse_x &&  
             d->old_host_mouse_y == mouse_y)  
                 d->old_host_mouse_stays_put ++;  
         else  
                 d->old_host_mouse_stays_put = 0;  
   
         d->old_host_mouse_x = mouse_x;  
         d->old_host_mouse_y = mouse_y;  
   
         if (d->old_host_mouse_stays_put > 400 &&  
             d->mouse_buttons == mouse_buttons)  
                 return;  
   
         console_get_framebuffer_mouse(&d->mouse_x, &d->mouse_y,  
             &framebuffer_nr);  
164    
165          xdelta = mouse_x - d->mouse_x;          xdelta = mouse_x - d->mouse_x;
166          ydelta = mouse_y - d->mouse_y;          ydelta = mouse_y - d->mouse_y;
167    
         /*  
          *  If the last framebuffer cursor placement was not in the  
          *  same window as the last host cursor movement, then we  
          *  we have to move to the leftmost extreme or rightmost  
          *  extreme:  
          */  
         if (framebuffer_nr != mouse_fb_nr) {  
                 if (mouse_fb_nr > framebuffer_nr)  
                         xdelta = 2000;  
                 if (mouse_fb_nr < framebuffer_nr)  
                         xdelta = -2000;  
         }  
   
168          /*  If no change, then don't send any update!  */          /*  If no change, then don't send any update!  */
169          if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons)          if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons)
170                  return;                  return 0;
171    
172          m = 4 >> (d->old_host_mouse_stays_put / 30);          m = 20;
         if (m < 1)  
                 m = 1;  
173    
174          if (xdelta > m)          if (xdelta > m)
175                  xdelta = m;                  xdelta = m;
# Line 211  void lk201_send_mouse_update_sequence(st Line 180  void lk201_send_mouse_update_sequence(st
180          if (ydelta < -m)          if (ydelta < -m)
181                  ydelta = -m;                  ydelta = -m;
182    
         xsign = xdelta < 0? 1 : 0;  
         ysign = ydelta < 0? 1 : 0;  
   
183          d->mouse_x += xdelta;          d->mouse_x += xdelta;
184          d->mouse_y += ydelta;          d->mouse_y += ydelta;
185          d->mouse_buttons = mouse_buttons;          d->mouse_buttons = mouse_buttons;
186    
187            /*
188             *  TODO: Update d->mouse_framebuffer_nr some way!
189             */
190    
191            xsign = xdelta < 0? 1 : 0;
192            ysign = ydelta < 0? 1 : 0;
193    
194          switch (d->mouse_mode) {          switch (d->mouse_mode) {
195    
196          case 0:          case 0:
197                  /*  Do nothing (before the mouse is initialized)  */                  /*  Do nothing (before the mouse is initialized)  */
198                  break;                  return 0;
199    
200          case MOUSE_INCREMENTAL:          case MOUSE_INCREMENTAL:
201                  if (xdelta < 0)                  if (xdelta < 0)
202                          xdelta = -xdelta;                          xdelta = -xdelta;
# Line 237  void lk201_send_mouse_update_sequence(st Line 212  void lk201_send_mouse_update_sequence(st
212                  d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT);                  d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT);
213                  d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT);                  d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT);
214                  break;                  break;
215    
216          default:          default:
217                  /*  TODO:  prompt mode and perhaps more stuff  */                  /*  TODO:  prompt mode and perhaps more stuff  */
218                  fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n",                  fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n",
219                      d->mouse_mode);                      d->mouse_mode);
220                    exit(1);
221          }          }
222    
223            return 1;
224  }  }
225    
226    
# Line 252  void lk201_send_mouse_update_sequence(st Line 231  void lk201_send_mouse_update_sequence(st
231   *  If a key is available from the keyboard, add it to the rx queue.   *  If a key is available from the keyboard, add it to the rx queue.
232   *  If other bits are set, an interrupt might need to be caused.   *  If other bits are set, an interrupt might need to be caused.
233   */   */
234  void lk201_tick(struct lk201_data *d)  void lk201_tick(struct machine *machine, struct lk201_data *d)
235  {  {
236          int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr;          int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr;
237    
# Line 267  void lk201_tick(struct lk201_data *d) Line 246  void lk201_tick(struct lk201_data *d)
246                           *  serial console:                           *  serial console:
247                           *                           *
248                           *  DEC MIPSMATE 5100 uses the keyboard port.                           *  DEC MIPSMATE 5100 uses the keyboard port.
249                           *  DECstation 3100 (PMAX) uses the printer port.                           *  DECstation 3100 (PMAX) and 5000/2000 (3MAX) use
250                           *  All others seem to use the comm port.                           *  the printer port.
251                             *  Others seem to use the comm port.
252                           */                           */
253                          d->add_to_rx_queue(d->add_data, ch, DCKBD_PORT);                          if (machine->machine_type == MACHINE_PMAX) {
254                          d->add_to_rx_queue(d->add_data, ch, DCCOMM_PORT);                                  switch (machine->machine_subtype) {
255                          d->add_to_rx_queue(d->add_data, ch, DCPRINTER_PORT);                                  case MACHINE_DEC_MIPSMATE_5100:
256                                            d->add_to_rx_queue(d->add_data,
257                                                ch, DCKBD_PORT);
258                                            break;
259                                    case MACHINE_DEC_PMAX_3100:
260                                    case MACHINE_DEC_3MAX_5000:
261                                            d->add_to_rx_queue(d->add_data,
262                                                ch, DCPRINTER_PORT);
263                                            break;
264                                    default:
265                                            d->add_to_rx_queue(d->add_data,
266                                                ch, DCCOMM_PORT);
267                                    }
268                            } else {
269                                    d->add_to_rx_queue(d->add_data,
270                                        ch, DCCOMM_PORT);
271                            }
272                  }                  }
273          }          }
274    
# Line 280  void lk201_tick(struct lk201_data *d) Line 276  void lk201_tick(struct lk201_data *d)
276          if (!d->use_fb)          if (!d->use_fb)
277                  return;                  return;
278    
279          d->mouse_check_interval --;          console_getmouse(&mouse_x, &mouse_y, &mouse_buttons,
280          if (d->mouse_check_interval <= 0) {              &mouse_fb_nr);
281                  d->mouse_check_interval =  
282                      d->mouse_check_interval_reset;          lk201_send_mouse_update_sequence(d, mouse_x, mouse_y,
283                mouse_buttons, mouse_fb_nr);
                 /*  
                  *  Check for mouse updates:  
                  *  
                  *  Note:  mouse_{x,y} are where the mouse is  
                  *  on the host's display.  
                  */  
                 console_getmouse(&mouse_x, &mouse_y, &mouse_buttons,  
                     &mouse_fb_nr);  
   
                 if (mouse_x != d->mouse_x || mouse_y != d->mouse_y ||  
                     mouse_buttons != d->mouse_buttons)  
                         lk201_send_mouse_update_sequence(d, mouse_x, mouse_y,  
                             mouse_buttons, mouse_fb_nr);  
         }  
284  }  }
285    
286    
# Line 415  void lk201_init(struct lk201_data *d, in Line 397  void lk201_init(struct lk201_data *d, in
397          d->mouse_mode = 0;          d->mouse_mode = 0;
398          d->mouse_revision = 0;  /*  0..15  */          d->mouse_revision = 0;  /*  0..15  */
399          d->console_handle = console_handle;          d->console_handle = console_handle;
   
         d->mouse_check_interval_reset = 1 << 3;  
400  }  }
401    
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