Emu: Add functionality to add Memory and PUs

src/emu.cpp

@@ -0,0 +1,19 @@
+#include "emu.h"
+
+void Emu::update() {
+	for (auto unit : m_processing_units) {
+		if (m_cycle % int(m_frequency / unit.frequency()) == 0) {
+			unit.update();
+		}
+	}
+}
+
+void Emu::addProcessingUnit(ProcessingUnit processing_unit) {
+	m_processing_units.push_back(processing_unit);
+}
+
+void Emu::addMemorySpace(const char* name, int size) {
+	std::vector<uint8_t> memory;
+	memory.reserve(size);
+	m_memory_spaces.emplace(name, memory);
+}