emulator: Add input registers

2 files changed, 13 insertions, 4 deletions

diff --git a/emulator.cpp b/emulator.cpp
index 607ec63..a2f663a 100644
--- a/emulator.cpp
+++ b/emulator.cpp
@@ -13,12 +13,14 @@ emulator::emulator(
 	program_loader * loader,
 	int num_temp_regs,
 	int num_const_regs,
-	int num_out_regs)
+	int num_out_regs,
+	int num_input_regs)
 	:
 	m_loader(loader),
 	m_temp_regs(num_temp_regs),
 	m_const_regs(num_const_regs, new float_value()),
-	m_out_regs(num_out_regs)
+	m_out_regs(num_out_regs),
+	m_input_regs(num_input_regs, new float_value())
 	{ }
 
 bool
@@ -45,6 +47,9 @@ emulator::set_constants(float value)
 	for(it = m_const_regs.begin(); it < m_const_regs.end(); ++it) {
 		(*it)->set_value(value);
 	}
+	for(it = m_input_regs.begin(); it < m_input_regs.end(); ++it) {
+		(*it)->set_value(value);
+	}
 }
 
 value *
@@ -66,8 +71,10 @@ emulator::get_value(register_address addr)
 	}
 	case REGISTER_TYPE_OUT: return m_out_regs[index]->clone();
 	case REGISTER_TYPE_IMMEDIATE: return m_immediate_regs[index]->clone();
+	case REGISTER_TYPE_IN: return m_input_regs[index]->clone();
 	default:
-		assert(0);
+		std::cerr << __FUNCTION__ << " unknown register type: "
+							<< addr.m_type << "\n";
 		return NULL;
 	}
 }
diff --git a/emulator.h b/emulator.h
index b8f6986..c3fcd1f 100644
--- a/emulator.h
+++ b/emulator.h
@@ -14,7 +14,8 @@ public:
 		program_loader * loader,
 		int num_temp_regs,
 		int num_const_regs,
-		int num_out_regs);
+		int num_out_regs,
+		int num_input_regs);
 
 
 	bool run();
@@ -32,6 +33,7 @@ private:
 	std::vector<value *> m_out_regs;
 	std::vector<value *> m_private_regs;
 	std::vector<float_value*> m_immediate_regs;
+	std::vector<float_value*> m_input_regs;
 };
 
 #endif //EMULATOR_H