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diff --git a/pyscv/main.py b/pyscv/main.py
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+# Use a generator for the execution flow
+# -> PC has to be a global variable, updated by each instruction to the next val
+# So user can set the PC by hand and call next(run) and make the code jump!
+
+pc = 0
+while True:
+ inst = fetch_instruction(pc)
+ pc = inst.execute()