--- ../../pvm3.rsh/xep/mtile.c	Wed Jul  9 09:56:56 1997
+++ mtile.c	Thu May 20 08:59:40 1999
@@ -50,6 +50,18 @@
 #include <stdio.h>
 #include "pvm3.h"
 
+/*
+ * With modern processors and a parallel system, it is WAY too easy to
+ * saturate the colormap at only 256.  Of course, more depth takes longer,
+ * but that's why PVM is fun, right?  So we make this a compile-time
+ * parameter (and really should make this a command line variable on the
+ * master that we vary in such a way that the EVERY IMAGE ALWAYS has
+ * neither more nor less than the full colormap.  2048 is pretty damn
+ * deep, however, and we might run into various bit truncations in the
+ * real variable space before we reach it.
+ */
+#define MAXDEPTH	2048
+
 char* calc_tile();
 
 
@@ -125,7 +137,8 @@
 			x = (ix * x2) / wd + x1;
 			ar = x;
 			ai = y;
-			for (ite = 0; ite < 255; ite++) {
+			for (ite = 0; ite < MAXDEPTH; ite++) {
+/* 			for (ite = 0; ite < 255; ite++) { */
 				a1 = (ar * ar);
 				a2 = (ai * ai);
 				if (a1 + a2 > 4.0)
@@ -133,7 +146,7 @@
 				ai = 2 * ai * ar + y;
 				ar = a1 - a2 + x;
 			}
-			pix[iy * wd + ix] = ~ite;
+			pix[iy * wd + ix] = ~ite%256;
 		}
 	}
 	return pix;