emulator: return bool value from run()

2 files changed, 4 insertions, 3 deletions

diff --git a/emulator.cpp b/emulator.cpp
index 46abe5f..4028550 100644
--- a/emulator.cpp
+++ b/emulator.cpp
@@ -21,13 +21,13 @@ emulator::emulator(
 	m_out_regs(num_out_regs)
 	{ }
 
-void
+bool
 emulator::run()
 {
 	program * p = m_loader->load();
 	if (!p) {
 		std::cerr << "Could not load program\n";
-		return;
+		return false;
 	}
 	m_immediate_regs = p->m_immediate_regs;
 	std::vector<instruction *>::iterator it;
@@ -35,6 +35,7 @@ emulator::run()
 					it < p->m_instructions.end(); ++it) {
 		(*it)->execute(*this);
 	}
+	return true;
 }
 
 void
diff --git a/emulator.h b/emulator.h
index f1a3437..b8f6986 100644
--- a/emulator.h
+++ b/emulator.h
@@ -17,7 +17,7 @@ public:
 		int num_out_regs);
 
 
-	void run();
+	bool run();
 	void set_constants(float value);
 	value * get_value(register_address addr);
 	void set_value(