diff --git a/AffinityPanel.c b/AffinityPanel.c
new file mode 100644
index 00000000..007b0590
--- /dev/null
+++ b/AffinityPanel.c
@@ -0,0 +1,48 @@
+
+#include "AffinityPanel.h"
+
+#include "Panel.h"
+#include "CheckItem.h"
+
+#include "debug.h"
+#include <assert.h>
+
+Panel* AffinityPanel_new(int processorCount, unsigned long mask) {
+   Panel* this = Panel_new(1, 1, 1, 1, CHECKITEM_CLASS, true, ListItem_compare);
+   this->eventHandler = AffinityPanel_eventHandler;
+
+   Panel_setHeader(this, "Use CPUs:");
+   for (int i = 0; i < processorCount; i++) {
+      char number[10];
+      snprintf(number, 9, "%d", i+1);
+      Panel_add(this, (Object*) CheckItem_new(String_copy(number), NULL, mask & (1 << i)));
+   }
+   return this;
+}
+
+unsigned long AffinityPanel_getAffinity(Panel* this) {
+   int size = Panel_getSize(this);
+   unsigned long mask = 0;
+   for (int i = 0; i < size; i++) {
+      if (CheckItem_get((CheckItem*)Panel_get(this, i)))
+         mask = mask | (1 << i);
+   }
+   return mask;
+}
+
+HandlerResult AffinityPanel_eventHandler(Panel* this, int ch) {
+   HandlerResult result = IGNORED;
+   CheckItem* selected = (CheckItem*) Panel_getSelected(this);
+   switch(ch) {
+   case ' ':
+      CheckItem_set(selected, ! (CheckItem_get(selected)) );
+      result = HANDLED;
+      break;
+   case 0x0a:
+   case 0x0d:
+   case KEY_ENTER:
+      result = BREAK_LOOP;
+      break;
+   }
+   return result;
+}