1 files changed, 40 insertions, 0 deletions
diff --git a/backends/platform/PalmOS/Src/os5_renderer.cpp b/backends/platform/PalmOS/Src/os5_renderer.cpp
index fdae35acd5..4580db4d53 100644
--- a/backends/platform/PalmOS/Src/os5_renderer.cpp
+++ b/backends/platform/PalmOS/Src/os5_renderer.cpp
@@ -76,3 +76,43 @@ void OSystem_PalmOS5::render_landscapeAny(RectangleType &r, PointType &p) {
 	p.y = _screenOffset.y + o;
 	RctSetRectangle(&r, 0, 0,  _screenDest.w,  _screenDest.h - o);
 }
+
+void OSystem_PalmOS5::render_landscape15x(RectangleType &r, PointType &p) {
+	Coord x, y, o = 0;
+   	int16 *dst =  _workScreenP;
+
+	if (_overlayVisible) {
+   		int16 *src = _overlayP;
+
+		for (y = 0; y < 100; y++) {
+			// draw 2 lines
+			for (x = 0; x < 320; x++) {
+				*dst++ = *src++;
+				*dst++ = *src;
+				*dst++ = *src++;
+			}
+			// copy the second to the next line
+			MemMove(dst, dst - 480, 480 * 2);
+			dst += 480;
+		}
+	} else {
+		byte *src = _offScreenP;
+		o = _current_shake_pos;
+
+		for (y = 0; y < 100; y++) {
+			// draw 2 lines
+			for (x = 0; x < 320; x++) {
+				*dst++ = _nativePal[*src++];
+				*dst++ = _nativePal[*src];
+				*dst++ = _nativePal[*src++];
+			}
+			// copy the second to the next line
+			MemMove(dst, dst - 480, 480 * 2);
+			dst += 480;
+		}
+	}
+
+	p.x = _screenOffset.x;
+	p.y = _screenOffset.y + o;
+	RctSetRectangle(&r, 0, 0, 480, 300 - o);
+}