func parseArgs() []string {
flag.Usage = usage
version := flag.Bool("version", false, "")
flag.Parse()
if *version {
fmt.Printf("%s\n", Version())
os.Exit(0)
}
var arg string
if flag.NArg() == 0 {
arg = "."
} else {
arg = flag.Arg(0)
}
targets := path.Expand(arg)
if len(targets) == 0 {
fmt.Fprintf(os.Stderr, "Missing target path.\n")
os.Exit(1)
}
return targets
}
func main() {
targets := parseArgs()
for _, targ := range targets {
list := path.Expand(targ)
if len(list) == 0 {
continue
}
for _, imp := range list {
var list []string
if !findDeps(imp, &list) {
continue
}
// First entry is target package itself.
list = list[1:]
fmt.Fprintln(os.Stdout, imp)
for _, dep := range list {
fmt.Fprintln(os.Stdout, " "+dep)
}
}
}
}
func parseArgs() *cpu.CPU {
flag.Usage = usage
version := flag.Bool("version", false, "Display version information.")
flag.Parse()
if *version {
fmt.Printf("%s\n", Version())
os.Exit(0)
}
if *scale < 1 {
*scale = 1
}
switch *display {
case "lem1802", "sped3":
default:
fmt.Fprintf(os.Stderr, "Invalid display hardware name. Want: 'lem1802' or 'sped3'.\n")
os.Exit(1)
}
var arg string
if flag.NArg() == 0 {
arg = "."
} else {
arg = flag.Arg(0)
}
targets := path.Expand(arg)
if len(targets) == 0 {
fmt.Fprintf(os.Stderr, "Invalid target path: %q\n", arg)
os.Exit(1)
}
// Create the CPU.
c := cpu.New()
c.ClockSpeed = time.Millisecond / 100
err := Build(targets[0], c)
if err != nil {
fmt.Fprintf(os.Stderr, "Load binary: %s.\n", err)
os.Exit(1)
}
// Bind all hardware.
c.RegisterDevice(clock.New)
c.RegisterDevice(lem1802.New)
c.RegisterDevice(keyboard.New)
c.RegisterDevice(m35fd.New)
c.RegisterDevice(sped3.New)
c.RegisterDevice(spc2000.New)
c.RegisterDevice(etcp.New)
// Load floppy disk if necessary.
if len(*fdd) > 0 {
err := insertFdd(c, *fdd, *fddReadOnly)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
os.Exit(1)
}
}
return c
}
