several fixes for serialization

console.cpp

@@ -25,9 +25,8 @@ void thread_wrapper_console(void *p)
 }
 #endif
 
-console::console(std::atomic_uint32_t *const stop_event, bus *const b, const int t_width, const int t_height) :
+console::console(std::atomic_uint32_t *const stop_event, const int t_width, const int t_height) :
 	stop_event(stop_event),
-	b(b),
 	t_width(t_width),
 	t_height(t_height)
 {
@@ -49,6 +48,8 @@ console::~console()
 
 void console::start_thread() 
 {
+	assert(b);
+
 	stop_thread_flag = false;
 
 #if defined(BUILD_FOR_RP2040)

console.h

@@ -31,7 +31,7 @@ private:
 protected:
 	std::atomic_uint32_t *const stop_event    { nullptr };
 
-	bus              *const b                { nullptr };
+	bus                    *b                { nullptr };
 #if !defined(BUILD_FOR_RP2040)
 	std::thread            *th               { nullptr };
 #endif
@@ -57,9 +57,11 @@ protected:
 	virtual void put_char_ll(const char c) = 0;
 
 public:
-	console(std::atomic_uint32_t *const stop_event, bus *const b, const int t_width = 80, const int t_height = 25);
+	console(std::atomic_uint32_t *const stop_event, const int t_width = 80, const int t_height = 25);
 	virtual ~console();
 
+	void         set_bus(bus *const b) { this->b = b; }
+
 	void         start_thread();
 	void         stop_thread();
 

console_ncurses.cpp

@@ -13,8 +13,7 @@
 #include "utils.h"
 
 
-console_ncurses::console_ncurses(std::atomic_uint32_t *const stop_event, bus *const b) :
-	console(stop_event, b)
+console_ncurses::console_ncurses(std::atomic_uint32_t *const stop_event): console(stop_event)
 {
 	init_ncurses(true);
 

console_ncurses.h

@@ -29,7 +29,7 @@ protected:
 	void put_char_ll(const char c) override;
 
 public:
-	console_ncurses(std::atomic_uint32_t *const stop_event, bus *const b);
+	console_ncurses(std::atomic_uint32_t *const stop_event);
 	virtual ~console_ncurses();
 
 	void put_string_lf(const std::string & what) override;

console_posix.cpp

@@ -16,8 +16,7 @@
 #include "error.h"
 
 
-console_posix::console_posix(std::atomic_uint32_t *const stop_event, bus *const b) :
-	console(stop_event, b)
+console_posix::console_posix(std::atomic_uint32_t *const stop_event): console(stop_event)
 {
 #if !defined(_WIN32)
 	if (tcgetattr(STDIN_FILENO, &org_tty_opts) == -1)

console_posix.h

@@ -21,7 +21,7 @@ protected:
 	void put_char_ll(const char c) override;
 
 public:
-	console_posix(std::atomic_uint32_t *const stop_event, bus *const b);
+	console_posix(std::atomic_uint32_t *const stop_event);
 	virtual ~console_posix();
 
 	void resize_terminal() override;

disk_backend.cpp

@@ -26,6 +26,7 @@ disk_backend *disk_backend::deserialize(const json_t *const j)
 		return disk_backend_nbd::deserialize(j);
 
 	// should not be reached
+	assert(false);
 
 	return nullptr;
 }

main.cpp

@@ -507,6 +507,17 @@ int main(int argc, char *argv[])
 	if (validate_json.empty() == false)
 		return run_cpu_validation(validate_json);
 
+	DOLOG(info, true, "This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden.");
+
+	DOLOG(info, true, "Built on: " __DATE__ " " __TIME__);
+
+#if !defined(_WIN32)
+	if (withUI)
+		cnsl = new console_ncurses(&event);
+	else
+#endif
+		cnsl = new console_posix(&event);
+
 	bus *b = nullptr;
 
 	if (deserialize.empty()) {
@@ -542,10 +553,6 @@ int main(int argc, char *argv[])
 
 		if (enable_bootloader)
 			setBootLoader(b, bootloader);
-
-		tty *tty_ = new tty(cnsl, b);
-
-		b->add_tty(tty_);
 	}
 	else {
 		FILE *fh = fopen(deserialize.c_str(), "r");
@@ -565,6 +572,14 @@ int main(int argc, char *argv[])
 		json_decref(j);
 	}
 
+	if (b->getTty() == nullptr) {
+		tty *tty_ = new tty(cnsl, b);
+
+		b->add_tty(tty_);
+	}
+
+	cnsl->set_bus(b);
+
 	running = cnsl->get_running_flag();
 
 	std::atomic_bool interrupt_emulation { false };
@@ -583,19 +598,6 @@ int main(int argc, char *argv[])
 	if (sa_set)
 		b->getCpu()->setRegister(7, start_addr);
 
-#if !defined(_WIN32)
-	if (withUI)
-		cnsl = new console_ncurses(&event, b);
-	else
-#endif
-	{
-		DOLOG(info, true, "This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden.");
-
-		DOLOG(info, true, "Built on: " __DATE__ " " __TIME__);
-
-		cnsl = new console_posix(&event, b);
-	}
-
 	DOLOG(info, true, "Start running at %06o", b->getCpu()->getRegister(7));
 
 #if !defined(_WIN32)

rl02.cpp

@@ -33,7 +33,7 @@ static const char * const commands[] = {
 
 rl02::rl02(const std::vector<disk_backend *> & files, bus *const b, std::atomic_bool *const disk_read_activity, std::atomic_bool *const disk_write_activity) :
 	b(b),
-	disk_read_activity (disk_read_activity),
+	disk_read_activity (disk_read_activity ),
 	disk_write_activity(disk_write_activity)
 {
 	fhs = files;