Moved backends/dc into new platform directory.

svn-id: r23357

1 files changed, 230 insertions, 0 deletions

diff --git a/backends/platform/dc/dcmain.cpp b/backends/platform/dc/dcmain.cpp
new file mode 100644
index 0000000000..4b03ec1551
--- /dev/null
+++ b/backends/platform/dc/dcmain.cpp
@@ -0,0 +1,230 @@
+/* ScummVM - Scumm Interpreter
+ * Dreamcast port
+ * Copyright (C) 2002-2004  Marcus Comstedt
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include <common/stdafx.h>
+#include <common/scummsys.h>
+#include <base/engine.h>
+#include <base/main.h>
+#include <base/plugins.h>
+#include "dc.h"
+#include "icon.h"
+#include "DCLauncherDialog.h"
+#include <common/config-manager.h>
+
+
+Icon icon;
+const char *gGameName;
+
+
+OSystem_Dreamcast::OSystem_Dreamcast()
+  : _devpoll(0), screen(NULL), mouse(NULL), overlay(NULL), _softkbd(this),
+    _ms_buf(NULL), _sound_proc(NULL), _timer_active(false),
+    _current_shake_pos(0), _aspect_stretch(false), _softkbd_on(false),
+    _softkbd_motion(0), _enable_cursor_palette(false)
+{
+  memset(screen_tx, 0, sizeof(screen_tx));
+  memset(mouse_tx, 0, sizeof(mouse_tx));
+  memset(ovl_tx, 0, sizeof(ovl_tx));
+}
+
+
+/* CD Audio */
+static bool find_track(int track, int &first_sec, int &last_sec)
+{
+  struct TOC *toc = cdfs_gettoc();
+  if(!toc)
+    return false;
+  int i, first, last;
+  first = TOC_TRACK(toc->first);
+  last = TOC_TRACK(toc->last);
+  if(first < 1 || last > 99 || first > last)
+    return false;
+  for(i=first; i<=last; i++)
+    if(!(TOC_CTRL(toc->entry[i-1])&4))
+      if(track==1) {
+	first_sec = TOC_LBA(toc->entry[i-1]);
+	last_sec = TOC_LBA(toc->entry[i]);
+	return true;
+      } else
+	--track;
+  return false;
+}
+
+void OSystem_Dreamcast::playCD(int track, int num_loops, int start_frame, int duration)
+{
+  int first_sec, last_sec;
+#if 1
+  if(num_loops)
+    --num_loops;
+#endif
+  if(num_loops>14) num_loops=14;
+  else if(num_loops<0) num_loops=15; // infinity
+  if(!find_track(track, first_sec, last_sec))
+    return;
+  if(duration)
+    last_sec = first_sec + start_frame + duration;
+  first_sec += start_frame;
+  play_cdda_sectors(first_sec, last_sec, num_loops);
+}
+
+void OSystem_Dreamcast::stopCD()
+{
+  stop_cdda();
+}
+
+bool OSystem_Dreamcast::pollCD()
+{
+  extern int getCdState();
+  return getCdState() == 3;
+}
+
+void OSystem_Dreamcast::updateCD()
+{
+  // Dummy.  The CD drive takes care of itself.
+}
+
+bool OSystem_Dreamcast::openCD(int drive)
+{
+  // Dummy.
+  return true;
+}
+
+void OSystem_Dreamcast::setWindowCaption(const char *caption)
+{
+  gGameName = caption;
+}
+
+void OSystem_Dreamcast::quit() {
+  exit(0);
+}
+
+/* Mutex handling */
+OSystem::MutexRef OSystem_Dreamcast::createMutex()
+{
+  return NULL;
+}
+
+void OSystem_Dreamcast::lockMutex(MutexRef mutex)
+{
+}
+
+void OSystem_Dreamcast::unlockMutex(MutexRef mutex)
+{
+}
+
+void OSystem_Dreamcast::deleteMutex(MutexRef mutex)
+{
+}
+
+
+/* Features */
+bool OSystem_Dreamcast::hasFeature(Feature f)
+{
+  switch(f) {
+  case kFeatureAspectRatioCorrection:
+  case kFeatureVirtualKeyboard:
+  case kFeatureOverlaySupportsAlpha:
+  case kFeatureCursorHasPalette:
+    return true;
+  default:
+    return false;
+  }
+}
+
+void OSystem_Dreamcast::setFeatureState(Feature f, bool enable)
+{
+  switch(f) {
+  case kFeatureAspectRatioCorrection:
+    _aspect_stretch = enable;
+    if(screen)
+      setScaling();
+    break;
+  case kFeatureVirtualKeyboard:
+    _softkbd_on = enable;
+    break;
+  default:
+    break;
+  }
+}
+
+bool OSystem_Dreamcast::getFeatureState(Feature f)
+{
+  switch(f) {
+  case kFeatureAspectRatioCorrection:
+    return _aspect_stretch;
+  case kFeatureVirtualKeyboard:
+    return _softkbd_on;
+  default:
+    return false;
+  }
+}
+
+
+void dc_init_hardware()
+{
+#ifndef NOSERIAL
+  serial_init(57600);
+  usleep(2000000);
+  printf("Serial OK\r\n");
+#endif
+
+  cdfs_init();
+  maple_init();
+  dc_setup_ta();
+  init_arm();
+}
+
+int main()
+{
+  static char *argv[] = { "scummvm", NULL, };
+  static int argc = 1;
+
+  dc_init_hardware();
+  initSound();
+
+  g_system = new OSystem_Dreamcast();
+  assert(g_system);
+
+  int res = scummvm_main(argc, argv);
+
+  exit(0);
+}
+
+int DCLauncherDialog::runModal()
+{
+  char *base = NULL, *dir = NULL;
+
+  if(!selectGame(base, dir, icon))
+    exit(0);
+
+  // Set the game path.
+  ConfMan.addGameDomain(base);
+  if(dir != NULL)
+    ConfMan.set("path", dir, base);
+
+  // Set the target.
+  ConfMan.setActiveDomain(base);
+
+  return 0;
+}
+