Added disassembly component.

src/machine/rom.odin

@@ -5,13 +5,13 @@ package machine
 import "core:log"
 import "core:os"
 
-load_rom :: proc(s: ^System, file_path: string) -> os.Error {
+load_rom :: proc(s: ^System, file_path: string) -> (int, os.Error) {
 	log.info("Loading rom from file")
 
 	data, read_err := os.read_entire_file(file_path, context.allocator)
 	if read_err != os.ERROR_NONE {
 		log.errorf("failed to read rom %v", read_err)
-		return read_err
+		return 0, read_err
 	}
 	defer delete(data)
 
@@ -21,5 +21,5 @@ load_rom :: proc(s: ^System, file_path: string) -> os.Error {
 
 	log.infof("First few bytes: %X %X %X %X", s.memory[0x200], s.memory[0x201], s.memory[0x202], s.memory[0x203])
 
-	return nil
+	return len(data), nil
 }