Fix IRQ bugs, PutDispEnv() PAL screen centering

2 files changed, 19 insertions, 20 deletions

diff --git a/examples/demos/n00bdemo/disp.c b/examples/demos/n00bdemo/disp.c
index d8d2bbf..a43a1d6 100644
--- a/examples/demos/n00bdemo/disp.c
+++ b/examples/demos/n00bdemo/disp.c
@@ -18,9 +18,9 @@ MATRIX mtx;
 
 
 void initDisplay() {
-	
+
 	ResetGraph( 0 );
-	
+
 	if( GetVideoMode() == MODE_NTSC ) {
 		SetDefDispEnv( &disp, 0, 0, 640, 480 );
 		SetDefDrawEnv( &draw, 0, 0, 640, 480 );
@@ -30,44 +30,44 @@ void initDisplay() {
 		SetDefDispEnv( &disp, 0, 0, 640, 512 );
 		SetDefDrawEnv( &draw, 0, 0, 640, 512 );
 		scSetClipRect( 0, 0, 640, 512 );
-		disp.screen.y = 20;
-		disp.screen.h = 256;
+		//disp.screen.y = 20;
+		//disp.screen.h = 256;
 		printf("PAL System.\n");
 	}
-	
+
 	disp.isinter = 1;
 	draw.isbg = 1;
-	
+
 	PutDispEnv( &disp );
 	PutDrawEnv( &draw );
-	
+
 	ClearOTagR( ot[0], OT_LEN );
 	ClearOTagR( ot[1], OT_LEN );
 	nextpri = pribuff[0];
-	
+
 	InitGeom();
 	gte_SetGeomScreen( 320 );
-	
+
 	if( GetVideoMode() == MODE_NTSC ) {
 		gte_SetGeomOffset( 320, 240 );
 	} else {
 		gte_SetGeomOffset( 320, 256 );
 	}
-	
+
 }
 
 void display() {
 
 	DrawSync(0);
 	VSync(0);
-	
+
 	PutDrawEnv( &draw );
 	DrawOTag( ot[db]+OT_LEN-1 );
-	
+
 	db ^= 1;
 	ClearOTagR( ot[db], OT_LEN );
 	nextpri = pribuff[db];
-	
+
 	SetDispMask( 1 );
-	
+
 }
\ No newline at end of file
diff --git a/examples/graphics/hdtv/main.c b/examples/graphics/hdtv/main.c
index 827b096..4d15742 100644
--- a/examples/graphics/hdtv/main.c
+++ b/examples/graphics/hdtv/main.c
@@ -651,13 +651,12 @@ void init() {
 	SetDefDispEnv( &db[0].disp, 0, 0, 640, SCREEN_YRES );
 	SetDefDrawEnv( &db[0].draw, 0, 0, SCREEN_XRES, SCREEN_YRES );
 	
-	db[0].disp.isinter = 1;		// enable interlace, mandatory for hi-res modes
+	// Enable interlace (mandatory for hi-res modes)
+	db[0].disp.isinter = 1;
 	
-	db[0].disp.screen.x = -37;	// shift left to center the widened picture
-	
-	db[0].disp.screen.w = 704;	// increase the picture width to 704 pixels
-								// (this does not strech the picture, it just
-								// tells the GPU to output more pixels)
+	// Increase the picture width to 704 pixels
+	// (without stretching it, just tell the GPU to output more pixels)
+	db[0].disp.screen.w = (704 * 256) / 640;
 	
 	// Enable draw area clear and dither processing
 	setRGB0( &db[0].draw, 63, 0, 127 );