console switches: debug-mode in -d

bus.cpp

@@ -64,7 +64,8 @@ uint16_t bus::read(const uint16_t a, const bool word_mode, const bool use_prev,
 
 		if (a == 0177570) { // console switch & display register
 			D(fprintf(stderr, "read console switch\n");)
-			return 128; // educated guess
+
+			return debug_mode ? 128 : 0;
 		}
 
 		if (a == 0172540) { // KW11P programmable clock

bus.h

@@ -36,12 +36,16 @@ private:
 
 	uint16_t switch_register { 0 };
 
+	bool     debug_mode { false };
+
 public:
 	bus();
 	~bus();
 
 	void clearmem();
 
+	void set_debug_mode(const bool state) { debug_mode = state; }
+
 	void add_cpu(cpu *const c) { this -> c = c; }
 	void add_tm11(tm_11 *tm11) { this -> tm11 = tm11; } 
 	void add_rk05(rk05 *rk05_) { this -> rk05_ = rk05_; } 

debugger.cpp

@@ -76,6 +76,8 @@ void debugger(console *const cnsl, bus *const b, std::atomic_bool *const interru
 {
 	cpu *const c = b->getCpu();
 
+	b->set_debug_mode(true);
+
 	bool single_step = false;
 
 	while(!terminate) {