PSP: switched to using slightly faster delay and getMillis

svn-id: r49179

5 files changed, 69 insertions, 6 deletions

diff --git a/backends/platform/psp/Makefile b/backends/platform/psp/Makefile
index 6967973da7..7c33999b4d 100644
--- a/backends/platform/psp/Makefile
+++ b/backends/platform/psp/Makefile
@@ -148,7 +148,8 @@ OBJS := powerman.o \
 	trace.o \
 	psploader.o \
 	pspkeyboard.o \
-	audio.o
+	audio.o \
+	thread.o
 
 # Include common Scummvm makefile
 include $(srcdir)/Makefile.common
diff --git a/backends/platform/psp/module.mk b/backends/platform/psp/module.mk
index 0e5bd8737d..4d375bcef0 100644
--- a/backends/platform/psp/module.mk
+++ b/backends/platform/psp/module.mk
@@ -13,7 +13,8 @@ MODULE_OBJS := powerman.o \
 	trace.o \
 	psploader.o \
 	pspkeyboard.o \
-	audio.o
+	audio.o \
+	thread.o
 
 MODULE_DIRS += \
 	backends/platform/psp/
diff --git a/backends/platform/psp/osys_psp.cpp b/backends/platform/psp/osys_psp.cpp
index d29196619b..ed7fb2d3cf 100644
--- a/backends/platform/psp/osys_psp.cpp
+++ b/backends/platform/psp/osys_psp.cpp
@@ -37,6 +37,7 @@
 #include "backends/platform/psp/psppixelformat.h"
 #include "backends/platform/psp/osys_psp.h"
 #include "backends/platform/psp/powerman.h"
+#include "backends/platform/psp/thread.h"
 
 #include "backends/saves/psp/psp-saves.h"
 #include "backends/timer/default/default-timer.h"
@@ -298,17 +299,15 @@ bool OSystem_PSP::pollEvent(Common::Event &event) {
 	return _inputHandler.getAllInputs(event);
 }
 
-
 uint32 OSystem_PSP::getMillis() {
-	return SDL_GetTicks();
+	return PspThread::getMillis();
 }
 
 void OSystem_PSP::delayMillis(uint msecs) {
-	SDL_Delay(msecs);
+	PspThread::delayMillis(msecs);
 }
 
 void OSystem_PSP::setTimerCallback(TimerProc callback, int interval) {
-	//SDL_SetTimer(interval, (SDL_TimerCallback)callback);
 	_pspTimer.setCallback((PspTimer::CallbackFunc)callback);
 	_pspTimer.setIntervalMs(interval);
 	_pspTimer.start();
diff --git a/backends/platform/psp/thread.cpp b/backends/platform/psp/thread.cpp
new file mode 100644
index 0000000000..88e7b6fe38
--- /dev/null
+++ b/backends/platform/psp/thread.cpp
@@ -0,0 +1,52 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.h $
+ * $Id: osys_psp.h 49173 2010-05-24 03:05:17Z bluddy $
+ *
+ */
+
+#include <time.h> 
+#include <psptypes.h>
+#include <psprtc.h>
+#include <pspthreadman.h> 
+
+#include "backends/platform/psp/thread.h"
+ 
+void PspThread::delayMillis(uint32 ms) {
+	sceKernelDelayThread(ms * 1000);
+}
+
+void PspThread::delayMicros(uint32 us) {
+	sceKernelDelayThread(us);
+}
+
+uint32 PspThread::getMillis() {
+	uint32 ticks[2];
+	sceRtcGetCurrentTick((u64 *)ticks);
+	return (ticks[0]/1000);	
+}
+
+uint32 PspThread::getMicros() {
+	uint32 ticks[2];
+	sceRtcGetCurrentTick((u64 *)ticks);
+	return ticks[0]; 
+}
+
diff --git a/backends/platform/psp/thread.h b/backends/platform/psp/thread.h
index d395d6713e..9ed3a2e2dc 100644
--- a/backends/platform/psp/thread.h
+++ b/backends/platform/psp/thread.h
@@ -26,6 +26,16 @@
 #ifndef PSP_THREAD_H
 #define PSP_THREAD_H
 
+#include "common/scummsys.h"
+
+class PspThread {
+public:
+	static void delayMillis(uint32 ms);
+	static void delayMicros(uint32 us);
+	static uint32 getMillis();
+	static uint32 getMicros();
+};
+
 enum ThreadPriority {
 	PRIORITY_MAIN_THREAD = 36,
 	PRIORITY_AUDIO_THREAD = 35,		// We'll alternate between this and main thread priority