diff -Nur SDL-1.2.5-org/src/audio/dsp/SDL_dspaudio.c SDL-1.2.5/src/audio/dsp/SDL_dspaudio.c
--- SDL-1.2.5-org/src/audio/dsp/SDL_dspaudio.c	2002-04-15 16:38:54.000000000 +0900
+++ SDL-1.2.5/src/audio/dsp/SDL_dspaudio.c	2002-12-15 18:06:29.000000000 +0900
@@ -263,7 +263,11 @@
 		SDL_SetError("Fragment size must be a power of two");
 		return(-1);
 	}
+#if 0
 	frag_spec |= 0x00020000;	/* two fragments, for low latency */
+#else /* for SL-A300 */
+	frag_spec |= 0x00120000;	/* 18 fragments, for smoothness */
+#endif
 
 	/* Set the audio buffering parameters */
 #ifdef DEBUG_AUDIO
diff -Nur SDL-1.2.5-org/src/audio/dsp/SDL_dspaudio.h SDL-1.2.5/src/audio/dsp/SDL_dspaudio.h
--- SDL-1.2.5-org/src/audio/dsp/SDL_dspaudio.h	2002-03-06 20:23:02.000000000 +0900
+++ SDL-1.2.5/src/audio/dsp/SDL_dspaudio.h	2002-12-15 18:06:29.000000000 +0900
@@ -27,6 +27,7 @@
 
 #ifndef _SDL_dspaudio_h
 #define _SDL_dspaudio_h
+// #define DEBUG_AUDIO
 
 #include "SDL_sysaudio.h"
 
diff -Nur SDL-1.2.5-org/src/video/qtopia/SDL_QWin.cc SDL-1.2.5/src/video/qtopia/SDL_QWin.cc
--- SDL-1.2.5-org/src/video/qtopia/SDL_QWin.cc	2002-09-01 09:37:24.000000000 +0900
+++ SDL-1.2.5/src/video/qtopia/SDL_QWin.cc	2002-12-16 03:45:24.000000000 +0900
@@ -279,6 +279,7 @@
   } else if(scancode  >= 0x1000) {
     // Special keys
     switch(scancode) {
+    case Qt::Key_F33: scancode = SDLK_RETURN; break; // added
     case Qt::Key_Escape: scancode = SDLK_ESCAPE; break;
     case Qt::Key_Tab: scancode = SDLK_TAB; break;
     case Qt::Key_Backspace: scancode = SDLK_BACKSPACE; break;
diff -Nur SDL-1.2.5-org/src/video/qtopia/SDL_QWin.h SDL-1.2.5/src/video/qtopia/SDL_QWin.h
--- SDL-1.2.5-org/src/video/qtopia/SDL_QWin.h	2002-09-01 09:37:24.000000000 +0900
+++ SDL-1.2.5/src/video/qtopia/SDL_QWin.h	2003-01-02 11:43:35.000000000 +0900
@@ -98,7 +98,7 @@
       my_locked--; // decrease lock refcount;
     }
     if(!my_locked && my_painter) {
-      my_painter->end();
+      /*my_painter->end();*/
       delete my_painter;
       my_painter = 0;
     }
diff -Nur SDL-1.2.5-org/src/video/qtopia/SDL_sysmouse.cc SDL-1.2.5/src/video/qtopia/SDL_sysmouse.cc
--- SDL-1.2.5-org/src/video/qtopia/SDL_sysmouse.cc	2002-05-20 05:06:01.000000000 +0900
+++ SDL-1.2.5/src/video/qtopia/SDL_sysmouse.cc	2002-12-15 18:06:29.000000000 +0900
@@ -60,6 +60,7 @@
 void QT_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
 {
   SDL_Win->setMousePos(QPoint(x, y));
+  SDL_PrivateMouseMotion( 0, 0, SDL_Win->mousePos().x(), SDL_Win->mousePos().y());
 }
 
 }; /* Extern C */