VSP memory corruption emulation skips last page

Index: vice/src/viciisc/vicii-cycle.c
===================================================================
--- vice/src/viciisc/vicii-cycle.c  (Revision 45768)
+++ vice/src/viciisc/vicii-cycle.c  (Arbeitskopie)
@@ -1,4 +1,4 @@
-/*
+*
  * vicii-cycle.c - Cycle based VIC-II emulation.
  *
  * Written by
@@ -256,6 +256,7 @@
 #define VSP_PROB_MAX 4
 #define VSP_PROB_MIN 0
 #define VSP_PROB_THRESH 3
+#define VSP_PROB_EXTREME true

 static unsigned int vsp_ysmoothold = 0;
 static unsigned int vsp_buglines[8];
@@ -269,7 +270,11 @@
     unsigned int val, i;

     vsp_ysmoothold = vicii.ysmooth;
-    vsp_bugwarn = 100;  /* max 100 lines of warnings before we give up */
+    if (VSP_PROB_EXTREME) {
+        log_message(vicii.log, "VSP Bug: extreme mode activated, disabling bug occurrence warnings.");
+    } else {
+        vsp_bugwarn = 100;  /* max 100 lines of warnings before we give up */
+    }

     for (i = 0; i < 8; i++) {
         vsp_buglines[i] =  VSP_PROB_MAX / 2;
@@ -277,7 +282,7 @@
     }
     /* FIXME: we might want to make this a user setting */
     /* get a random mask for channels that we want to make immune */
-    val = lib_unsigned_rand(0, 0xff);
+    val = VSP_PROB_EXTREME ? 0 : lib_unsigned_rand(0, 0xff);
     log_message(vicii.log,
             "VSP Bug: safe channels are: %s%s%s%s%s%s%s%s. Emulation of memory corruption is %s.",
             (val & 1) ? "0" : "",
@@ -338,11 +343,11 @@

     /* simulate the "VSP bug" problem */
     if(vicii_resources.vsp_bug_enabled) {
-        if((vsp_buglines[line] + vsp_bugchannels[channel] + lib_unsigned_rand(0, 1)) > VSP_PROB_THRESH) {
-            for(page = 0x00; page < 0xff; page++) {
+        if(VSP_PROB_EXTREME || (vsp_buglines[line] + vsp_bugchannels[channel] + lib_unsigned_rand(0, 1)) > VSP_PROB_THRESH) {
+            for(page = 0x00; page <= 0xff; page++) {
                 /* keep 98,5% of all pages untouched. this is hand tweaked to result in
                  * somewhat convincing long term plots in vsp-lab */
-                if (lib_unsigned_rand(0, 1000) > 985) {
+                if (VSP_PROB_EXTREME || lib_unsigned_rand(0, 1000) > 985) {
                     int seen0 = 0, seen1 = 0, fragile, result;
                     int firstrow = 7;
                     /* in each page, all addresses ending with 7 or F are affected */