nop instruction supported.

diff --git a/emulator/6502core.c b/emulator/6502core.c
index f1c77bc..adf6d79 100644 (file)
--- a/emulator/6502core.c
+++ b/emulator/6502core.c
@@ -1727,8 +1727,15 @@ acc_done:
     return TRUE;
 }
 
+/*
+ * No Operation: NOP
+ * No Operation
+ * Flags: none
+ * */
 int func_NOP(void) {
-    return FALSE;
+    //do nothing.
+    exec_done = TRUE;
+    return TRUE;
 }
 
 /*