Initial commit

NES Emulator/bus.h

@@ -0,0 +1,28 @@
+#ifndef _BUS_H_
+#define _BUS_H_
+
+#include "types.h"
+
+struct CPU;
+struct Cartridge;
+
+// Main communication path for devices and memory in the NES
+struct Bus
+{
+	Byte* ram;
+
+	struct CPU* cpu;
+	struct Cartridge* cartridge;
+};
+
+// Sets up the Bus, allocates memory and creates devices
+struct Bus* createBus();
+
+// Destroys the bus, cleans up memory and destroys devices on the Bus
+void destroyBus(struct Bus* bus);
+
+// Read/Write to and from the bus
+Byte Read(struct Bus* bus, Word addr);
+void Write(struct Bus* bus, Word addr, Byte val);
+
+#endif // _BUS_H_