diff --git a/mmu.cpp b/mmu.cpp
index 3a758bb..dca919c 100644
--- a/mmu.cpp
+++ b/mmu.cpp
@@ -348,11 +348,13 @@ std::pair<trap_action_t, int> mmu::get_trap_action(const int run_mode, const boo
 
 void mmu::mmudebug(const uint16_t a)
 {
+#if !defined(TURBO)
 	for(int rm=0; rm<4; rm++) {
 		auto ma = calculate_physical_address(rm, a);
 
 		TRACE("RM %d, a: %06o, apf: %d, PI: %08o (PSW: %d), PD: %08o (PSW: %d)", rm, ma.virtual_address, ma.apf, ma.physical_instruction, ma.physical_instruction_is_psw, ma.physical_data, ma.physical_data_is_psw);
 	}
+#endif
 }
 
 void mmu::verify_page_access(const uint16_t virt_addr, const int run_mode, const bool d, const int apf, const bool is_write)