--- ray/src/rt/devmain.c	1989/10/25 16:49:45	1.2
+++ ray/src/rt/devmain.c	1990/01/08 15:07:30	1.5
@@ -62,6 +62,7 @@ char	*argv[];
 	if ((dev = dinit(argv[0], argv[3])) == NULL)
 		quit(1);
 	putw(COM_RECVM, devout);		/* verify initialization */
+	fwrite(&dev->pixaspect, sizeof(dev->pixaspect), 1, devout);
 	putw(dev->xsiz, devout);
 	putw(dev->ysiz, devout);
 	fflush(devout);
@@ -107,9 +108,9 @@ r_paintr()				/* paint a rectangle */
 	xmax = getw(devin); ymax = getw(devin);
 	(*dev->paintr)(col, xmin, ymin, xmax, ymax);
 					/* check for input */
-	if (dev->inpready > notified) {
+	if (!notified && dev->inpready > 0) {
+		notified = 1;
 		kill(getppid(), SIGIO);
-		notified = dev->inpready;
 	}
 }
 
@@ -176,13 +177,6 @@ register FILE	*fp;
 	do
 		putc(*s, fp);
 	while (*s++);
-}
-
-
-repaint(xmin, ymin, xmax, ymax)		/* repaint section of display */
-int	xmin, ymin, xmax, ymax;
-{
-	/* no can do! */
 }