package main import ( "flag" "fmt" "os" "path/filepath" "github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver/a2io" "github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver/handlers" ) const ReadBlockCommand = 1 const WriteBlockCommand = 2 const GetTimeCommand = 3 const ChangeDriveCommand = 4 const ExecCommand = 5 const LoadFileCommand = 6 const SaveFileCommand = 7 const MenuCommand = 8 func main() { drive1, drive2 := getDriveFiles() fmt.Printf("Starting Apple II RPi...\n") a2io.InitGpio() for { command, err := a2io.ReadByte() if err == nil { switch command { case ReadBlockCommand: handlers.ReadBlockCommand(drive1, drive2) case WriteBlockCommand: handlers.WriteBlockCommand(drive1, drive2) case GetTimeCommand: handlers.GetTimeCommand() case ExecCommand: handlers.ExecCommand() case LoadFileCommand: handlers.LoadFileCommand() case MenuCommand: handlers.MenuCommand() } } } } func getDriveFiles() (*os.File, *os.File) { var drive1Name string var drive2Name string execName, _ := os.Executable() path := filepath.Dir(execName) path = filepath.Join(path, "..") path, _ = filepath.EvalSymlinks(path) defaultFileName := filepath.Join(path, "Apple2-IO-RPi.hdv") flag.StringVar(&drive1Name, "d1", "", "A ProDOS format drive image for drive 1") flag.StringVar(&drive2Name, "d2", defaultFileName, "A ProDOS format drive image for drive 2 and will be used for drive 1 if drive 1 empty") flag.Parse() var drive1 *os.File = nil var drive2 *os.File = nil var err error if len(drive1Name) > 0 { fmt.Printf("Opening Drive 1 as: %s\n", drive1Name) drive1, err = os.OpenFile(drive1Name, os.O_RDWR, 0755) if err != nil { fmt.Printf("ERROR: %s", err.Error()) os.Exit(1) } } if len(drive2Name) > 0 { if drive1 == nil { fmt.Printf("Opening Drive 1 as: %s because Drive 1 was empty\n", drive2Name) drive1, err = os.OpenFile(drive2Name, os.O_RDWR, 0755) if err != nil { fmt.Printf("ERROR: %s", err.Error()) os.Exit(1) } } else { fmt.Printf("Opening Drive 2 as: %s\n", drive2Name) drive2, err = os.OpenFile(drive2Name, os.O_RDWR, 0755) if err != nil { fmt.Printf("ERROR: %s", err.Error()) os.Exit(1) } } } if drive1 == nil { flag.PrintDefaults() os.Exit(1) } return drive1, drive2 }