/[gxemul]/trunk/src/devices/lk201.c
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revision 31 by dpavlin, Mon Oct 8 16:19:37 2007 UTC revision 32 by dpavlin, Mon Oct 8 16:20:58 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   *  Copyright (C) 2003-2005  Anders Gavare.  All rights reserved.   *  Copyright (C) 2003-2006  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 1.27 2006/09/06 04:55:35 debug Exp $
29   *     *  
30   *  LK201 keyboard and mouse specifics, used by the dc7085 and scc serial   *  LK201 keyboard and mouse specifics, used by the dc7085 and scc serial
31   *  controller devices.   *  controller devices.
# Line 37  Line 37 
37    
38  #include "console.h"  #include "console.h"
39  #include "devices.h"  #include "devices.h"
40    #include "machine.h"
41  #include "misc.h"  #include "misc.h"
42    
43  #include "dc7085.h"     /*  for port names  */  #include "dc7085.h"     /*  for port names  */
# Line 151  void lk201_convert_ascii_to_keybcode(str Line 152  void lk201_convert_ascii_to_keybcode(str
152  /*  /*
153   *  lk201_send_mouse_update_sequence():   *  lk201_send_mouse_update_sequence():
154   *   *
155   *  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
156   *  "goal" of where we want to move. d->mouse_* contains the current state.   *  "goal" of where we want to move.
157   *   *
158   *  TODO:  Comment this better.   *  d->mouse_x, _y, _buttons contain the last values transmitted to the
159     *  emulated machine.
160   */   */
161  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,
162          int mouse_y, int mouse_buttons, int mouse_fb_nr)          int mouse_y, int mouse_buttons, int mouse_fb_nr)
163  {  {
164          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);  
165    
166          xdelta = mouse_x - d->mouse_x;          xdelta = mouse_x - d->mouse_x;
167          ydelta = mouse_y - d->mouse_y;          ydelta = mouse_y - d->mouse_y;
168    
         /*  
          *  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;  
         }  
   
169          /*  If no change, then don't send any update!  */          /*  If no change, then don't send any update!  */
170          if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons)          if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons)
171                  return;                  return 0;
172    
173          m = 4 >> (d->old_host_mouse_stays_put / 30);          m = 20;
         if (m < 1)  
                 m = 1;  
174    
175          if (xdelta > m)          if (xdelta > m)
176                  xdelta = m;                  xdelta = m;
# Line 211  void lk201_send_mouse_update_sequence(st Line 181  void lk201_send_mouse_update_sequence(st
181          if (ydelta < -m)          if (ydelta < -m)
182                  ydelta = -m;                  ydelta = -m;
183    
         xsign = xdelta < 0? 1 : 0;  
         ysign = ydelta < 0? 1 : 0;  
   
184          d->mouse_x += xdelta;          d->mouse_x += xdelta;
185          d->mouse_y += ydelta;          d->mouse_y += ydelta;
186          d->mouse_buttons = mouse_buttons;          d->mouse_buttons = mouse_buttons;
187    
188            /*
189             *  TODO: Update d->mouse_framebuffer_nr some way!
190             */
191    
192            xsign = xdelta < 0? 1 : 0;
193            ysign = ydelta < 0? 1 : 0;
194    
195          switch (d->mouse_mode) {          switch (d->mouse_mode) {
196    
197          case 0:          case 0:
198                  /*  Do nothing (before the mouse is initialized)  */                  /*  Do nothing (before the mouse is initialized)  */
199                  break;                  return 0;
200    
201          case MOUSE_INCREMENTAL:          case MOUSE_INCREMENTAL:
202                  if (xdelta < 0)                  if (xdelta < 0)
203                          xdelta = -xdelta;                          xdelta = -xdelta;
# Line 237  void lk201_send_mouse_update_sequence(st Line 213  void lk201_send_mouse_update_sequence(st
213                  d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT);                  d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT);
214                  d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT);                  d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT);
215                  break;                  break;
216    
217          default:          default:
218                  /*  TODO:  prompt mode and perhaps more stuff  */                  /*  TODO:  prompt mode and perhaps more stuff  */
219                  fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n",                  fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n",
220                      d->mouse_mode);                      d->mouse_mode);
221                    exit(1);
222          }          }
223    
224            return 1;
225  }  }
226    
227    
# Line 252  void lk201_send_mouse_update_sequence(st Line 232  void lk201_send_mouse_update_sequence(st
232   *  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.
233   *  If other bits are set, an interrupt might need to be caused.   *  If other bits are set, an interrupt might need to be caused.
234   */   */
235  void lk201_tick(struct lk201_data *d)  void lk201_tick(struct machine *machine, struct lk201_data *d)
236  {  {
237          int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr;          int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr;
238    
# Line 267  void lk201_tick(struct lk201_data *d) Line 247  void lk201_tick(struct lk201_data *d)
247                           *  serial console:                           *  serial console:
248                           *                           *
249                           *  DEC MIPSMATE 5100 uses the keyboard port.                           *  DEC MIPSMATE 5100 uses the keyboard port.
250                           *  DECstation 3100 (PMAX) uses the printer port.                           *  DECstation 3100 (PMAX) and 5000/2000 (3MAX) use
251                           *  All others seem to use the comm port.                           *  the printer port.
252                             *  Others seem to use the comm port.
253                           */                           */
254                          d->add_to_rx_queue(d->add_data, ch, DCKBD_PORT);                          if (machine->machine_type == MACHINE_PMAX) {
255                          d->add_to_rx_queue(d->add_data, ch, DCCOMM_PORT);                                  switch (machine->machine_subtype) {
256                          d->add_to_rx_queue(d->add_data, ch, DCPRINTER_PORT);                                  case MACHINE_DEC_MIPSMATE_5100:
257                                            d->add_to_rx_queue(d->add_data,
258                                                ch, DCKBD_PORT);
259                                            break;
260                                    case MACHINE_DEC_PMAX_3100:
261                                    case MACHINE_DEC_3MAX_5000:
262                                            d->add_to_rx_queue(d->add_data,
263                                                ch, DCPRINTER_PORT);
264                                            break;
265                                    default:
266                                            d->add_to_rx_queue(d->add_data,
267                                                ch, DCCOMM_PORT);
268                                    }
269                            } else {
270                                    d->add_to_rx_queue(d->add_data,
271                                        ch, DCCOMM_PORT);
272                            }
273                  }                  }
274          }          }
275    
# Line 280  void lk201_tick(struct lk201_data *d) Line 277  void lk201_tick(struct lk201_data *d)
277          if (!d->use_fb)          if (!d->use_fb)
278                  return;                  return;
279    
280          d->mouse_check_interval --;          console_getmouse(&mouse_x, &mouse_y, &mouse_buttons,
281          if (d->mouse_check_interval <= 0) {              &mouse_fb_nr);
282                  d->mouse_check_interval =  
283                      d->mouse_check_interval_reset;          lk201_send_mouse_update_sequence(d, mouse_x, mouse_y,
284                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);  
         }  
285  }  }
286    
287    
# Line 415  void lk201_init(struct lk201_data *d, in Line 398  void lk201_init(struct lk201_data *d, in
398          d->mouse_mode = 0;          d->mouse_mode = 0;
399          d->mouse_revision = 0;  /*  0..15  */          d->mouse_revision = 0;  /*  0..15  */
400          d->console_handle = console_handle;          d->console_handle = console_handle;
   
         d->mouse_check_interval_reset = 1 << 3;  
401  }  }
402    
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