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all: updates for new gonuts/commander API

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This commit is contained in:
Sebastien Binet 2013-12-19 15:11:03 +01:00
parent b58a64c48d
commit c737f264a3
3 changed files with 21 additions and 22 deletions
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13
a2/disasm.go
View File

@ -1,8 +1,8 @@
package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"github.com/gonuts/commander"
@ -24,23 +24,24 @@ func init() {
cmdDisasm.Flag.UintVar(&disasmAddress, "a", 0, "The starting memory address.")
}
func runDisasm(cmd *commander.Command, args []string) {
func runDisasm(cmd *commander.Command, args []string) error {
if len(args) != 1 {
cmd.Usage()
return
return nil
}
bytes, err := ioutil.ReadFile(args[0])
if err != nil {
log.Fatal(err)
return nil
}
if len(bytes) > 0x10000 {
log.Fatalf("File %s is %04X bytes long, which is more than $10000.", args[0], len(bytes))
return fmt.Errorf("File %s is %04X bytes long, which is more than $10000.", args[0], len(bytes))
}
if int(disasmAddress)+len(bytes) > 0x10000 {
log.Fatalf("Starting address ($%04X) + file length ($%04X) = $%X, which is > $10000",
return fmt.Errorf("Starting address ($%04X) + file length ($%04X) = $%X, which is > $10000",
disasmAddress, len(bytes), int(disasmAddress)+len(bytes))
}
asm.DisasmBlock(bytes, uint16(disasmAddress), os.Stdout)
return nil
}

14
a2/disk_convert.go
View File

@ -1,7 +1,7 @@
package main
import (
"log"
"fmt"
"github.com/gonuts/commander"
"github.com/zellyn/goapple2/disk"
@ -22,19 +22,21 @@ func init() {
cmdDiskConvert.Flag.UintVar(&diskVolume, "v", 0, "The volume of the disk, or 0 for default.")
}
func runDiskConvert(cmd *commander.Command, args []string) {
func runDiskConvert(cmd *commander.Command, args []string) error {
if len(args) != 2 {
cmd.Usage()
return
return nil
}
if diskVolume > 254 {
log.Fatalf("disk volume must be 0-254, got %d", diskVolume)
return fmt.Errorf("disk volume must be 0-254, got %d", diskVolume)
}
nyb, err := disk.DiskFromFile(args[0], byte(diskVolume))
if err != nil {
log.Fatal(err)
return err
}
if err = disk.DiskToFile(args[1], nyb); err != nil {
log.Fatal(err)
return err
}
return err
}

16
a2/main.go
View File

@ -8,25 +8,21 @@ import (
"github.com/gonuts/flag"
)
var a2cmd *commander.Commander
var a2cmd *commander.Command
func init() {
a2cmd = &commander.Commander{
Name: os.Args[0],
Commands: []*commander.Command{
a2cmd = &commander.Command{
UsageLine: "a2",
Subcommands: []*commander.Command{
cmdDisasm,
cmdDiskConvert,
},
Flag: flag.NewFlagSet("a2", flag.ExitOnError),
Flag: *flag.NewFlagSet("a2", flag.ExitOnError),
}
}
func main() {
if err := a2cmd.Flag.Parse(os.Args[1:]); err != nil {
log.Fatal(err)
}
args := a2cmd.Flag.Args()
if err := a2cmd.Run(args); err != nil {
if err := a2cmd.Dispatch(os.Args[1:]); err != nil {
log.Fatal(err)
}
}