Apple-2-Tools/ProDOS-Utilities
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Prepare for initial alpha release 0.1.0

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This commit is contained in:
Terence Boldt 2021-07-03 08:37:21 -04:00
parent 035d20033e
commit c17bfa0b4d
8 changed files with 249 additions and 44 deletions
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140
README.md
View File

@ -3,3 +3,143 @@ This project is just starting but is intended to be both a command line tool and
## DISCLAIMER ## DISCLAIMER
Being a work in progress, be warned that this code is likely to corrupt drive images so be sure to have backups. Also, command line parameters are likely to change significantly in the future. Being a work in progress, be warned that this code is likely to corrupt drive images so be sure to have backups. Also, command line parameters are likely to change significantly in the future.
## Current TODO list
1. Allow > 128 KB file support
2. Create/Delete directories
3. Add file/directory/basic tests
4. Add rename
5. Add in-place file/directory moves
## Example commands and output
### Specify drive image with -d DRIVEIMAGE (default command lists directory, default path is root of volume)
```
ProDOS-Utilities -d ~/Downloads/Total\ Replay\ v4.01.hdv
/TOTAL.REPLAY
NAME TYPE BLOCKS MODIFIED CREATED ENDFILE SUBTYPE
LAUNCHER.SYSTEM SYS 24 2021-FEB-18 01:25 2021-FEB-18 01:25 11416 8192
TITLE BIN 17 2019-JUN-29 13:04 2019-JUN-29 13:04 8184 8192
COVER BIN 17 2018-MAY-20 15:03 2018-MAY-20 15:03 8184 8192
HELP BIN 17 2019-MAY-20 10:24 2019-MAY-20 10:24 8184 8192
GAMES.CONF TXT 16 2021-FEB-18 01:12 2021-FEB-18 01:12 7344 32768
ATTRACT.CONF TXT 13 2021-FEB-18 01:22 2021-FEB-18 01:22 5748 32768
FX.CONF TXT 6 2021-JAN-03 23:00 2021-JAN-03 23:00 2443 32768
DFX.CONF TXT 5 2020-MAY-10 15:29 2020-MAY-10 15:29 1981 32768
PREFS.CONF TXT 1 2021-FEB-18 01:25 2021-FEB-18 01:25 512 32768
CREDITS TXT 1 2021-FEB-18 01:15 2021-FEB-18 01:15 449 32768
HELPTEXT TXT 1 2020-JUN-15 11:56 2020-JUN-15 11:56 206 32768
DECRUNCH BIN 1 2020-MAR-14 20:35 2020-MAR-14 20:35 303 512
JOYSTICK BIN 6 2020-APR-24 23:07 2020-APR-24 23:07 2370 2048
FINDER.DATA $C9 3 2020-JUN-27 17:40 2020-JUN-27 17:40 541 0
FINDER.ROOT $C9 1 2020-MAY-24 10:56 2020-MAY-24 10:56 9 0
TITLE.HGR DIR 23 2021-FEB-18 01:25 2021-FEB-18 01:25 11776 0
TITLE.DHGR DIR 4 2021-FEB-18 01:25 2021-FEB-18 01:25 2048 0
ACTION.HGR DIR 58 2021-FEB-18 01:25 2021-FEB-18 01:25 29696 0
ACTION.DHGR DIR 9 2021-FEB-18 01:25 2021-FEB-18 01:25 4608 0
ACTION.GR DIR 1 2021-FEB-18 01:25 2021-FEB-18 01:25 512 0
ARTWORK.SHR DIR 17 2021-FEB-18 01:25 2021-FEB-18 01:25 8704 0
ATTRACT DIR 26 2021-FEB-18 01:25 2021-FEB-18 01:25 13312 0
SS DIR 16 2021-FEB-18 01:25 2021-FEB-18 01:25 8192 0
DEMO DIR 15 2021-FEB-18 01:25 2021-FEB-18 01:25 7680 0
TITLE.ANIMATED DIR 1 2021-FEB-18 01:25 2021-FEB-18 01:25 512 0
ICONS DIR 1 2021-FEB-18 01:25 2021-FEB-18 01:25 512 0
FX DIR 16 2021-FEB-18 01:25 2021-FEB-18 01:25 8192 0
X DIR 26 2021-FEB-18 01:25 2021-FEB-18 01:25 13312 0
PRELAUNCH DIR 27 2021-FEB-18 01:25 2021-FEB-18 01:25 13824 0
GAMEHELP DIR 26 2021-FEB-18 01:25 2021-FEB-18 01:25 13312 0
BLOCKS FREE: 15 BLOCKS USED: 65520 TOTAL BLOCKS: 65535
```
### Specifying -p PATHNAME and -c COMMAND
```
ProDOS-Utilities -d ~/Downloads/Total\ Replay\ v4.01.hdv -c ls -p /total.replay/icons
/TOTAL.REPLAY/ICONS
NAME TYPE BLOCKS MODIFIED CREATED ENDFILE SUBTYPE
TR.ICONS $CA 8 2020-MAY-24 10:56 2020-MAY-24 10:56 3524 0
BLOCKS FREE: 15 BLOCKS USED: 65520 TOTAL BLOCKS: 65535
```
### Create a new ProDOS hard drive image
```
ProDOS-Utilities -d new.hdv -c create -b 65535
```
### Hex dump a block with command readblock and block number (both decimal and hexadecimal input work)
```
ProDOS-Utilities -d new.hdv -c readblock -b 0
Block 0x0000 (0):
0000: 01 38 B0 03 4C 1C 09 78 86 43 C9 03 08 8A 29 70 .80.L..x.CI...)p
0010: 4A 4A 4A 4A 09 C0 85 49 A0 FF 84 48 28 C8 B1 48 JJJJ.@.I ..H(H1H
0020: D0 3A B0 0E A9 03 8D 00 08 E6 3D A5 49 48 A9 5B P:0.)....f=%IH)[
0030: 48 60 85 40 85 48 A0 5E B1 48 99 94 09 C8 C0 EB H`.@.H ^1H...H@k
0040: D0 F6 A2 06 BC 32 09 BD 39 09 99 F2 09 BD 40 09 Pv".<2.=9..r.=@.
0050: 9D 7F 0A CA 10 EE A9 09 85 49 A9 86 A0 00 C9 F9 ...J.n)..I). .Iy
0060: B0 2F 85 48 84 60 84 4A 84 4C 84 4E 84 47 C8 84 0/.H.`.J.L.N.GH.
0070: 42 C8 84 46 A9 0C 85 61 85 4B 20 27 09 B0 66 E6 BH.F)..a.K '.0ff
0080: 61 E6 61 E6 46 A5 46 C9 06 90 EF AD 00 0C 0D 01 afafF%FI..o-....
0090: 0C D0 52 A9 04 D0 02 A5 4A 18 6D 23 0C A8 90 0D .PR).P.%J.m#.(..
00A0: E6 4B A5 4B 4A B0 06 C9 0A F0 71 A0 04 84 4A AD fK%KJ0.I.pq ..J-
00B0: 20 09 29 0F A8 B1 4A D9 20 09 D0 DB 88 10 F6 A0 .).(1JY .P[..v
00C0: 16 B1 4A 4A 6D 1F 09 8D 1F 09 A0 11 B1 4A 85 46 .1JJm..... .1J.F
00D0: C8 B1 4A 85 47 A9 00 85 4A A0 1E 84 4B 84 61 C8 H1J.G)..J ..K.aH
00E0: 84 4D 20 27 09 B0 35 E6 61 E6 61 A4 4E E6 4E B1 .M '.05fafa$NfN1
00F0: 4A 85 46 B1 4C 85 47 11 4A D0 18 A2 01 A9 00 A8 J.F1L.G.JP.".).(
0100: 91 60 C8 D0 FB E6 61 EA EA CA 10 F4 CE 1F 09 F0 .`HP{fajjJ.tN..p
0110: 07 D0 D8 CE 1F 09 D0 CA 58 4C 00 20 4C 47 09 02 .PXN..PJXL. LG..
0120: 26 50 52 4F 44 4F 53 A5 60 85 44 A5 61 85 45 6C &PRODOS%`.D%a.El
0130: 48 00 08 1E 24 3F 45 47 76 F4 D7 D1 B6 4B B4 AC H...$?EGvtWQ6K4,
0140: A6 2B 18 60 4C BC 09 20 58 FC A0 14 B9 58 09 99 &+.`L<. X| .9X..
0150: B1 05 88 10 F7 4C 55 09 D5 CE C1 C2 CC C5 A0 D4 1...wLU.UNABLE T
0160: CF A0 CC CF C1 C4 A0 D0 D2 CF C4 CF D3 A5 53 29 O LOAD PRODOS%S)
0170: 03 2A 05 2B AA BD 80 C0 A9 2C A2 11 CA D0 FD E9 .*.+*=.@),".JP}i
0180: 01 D0 F7 A6 2B 60 A5 46 29 07 C9 04 29 03 08 0A .Pw&+`%F).I.)...
0190: 28 2A 85 3D A5 47 4A A5 46 6A 4A 4A 85 41 0A 85 (*.=%GJ%FjJJ.A..
01A0: 51 A5 45 85 27 A6 2B BD 89 C0 20 BC 09 E6 27 E6 Q%E.'&+=.@ <.f'f
01B0: 3D E6 3D B0 03 20 BC 09 BC 88 C0 60 A5 40 0A 85 =f=0. <.<.@`%@..
01C0: 53 A9 00 85 54 A5 53 85 50 38 E5 51 F0 14 B0 04 S)..T%S.P8eQp.0.
01D0: E6 53 90 02 C6 53 38 20 6D 09 A5 50 18 20 6F 09 fS..FS8 m.%P. o.
01E0: D0 E3 A0 7F 84 52 08 28 38 C6 52 F0 CE 18 08 88 Pc ..R.(8FRpN...
01F0: F0 F5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 pu..............
```
### Export files (using .bas file extension coverts Applesoft to text file)
```
ProDOS-Utilities -d ../Apple2-IO-RPi/RaspberryPi/Apple2-IO-RPi.hdv -c get -o Update.Firmware.bas -p /APPLE2.IO.RPI/UPDATE.FIRMWARE; cat Update.Firmware.bas
10 HOME
100 PRINT CHR$ (4)"BLOAD AT28C64B.BIN,A$2000"
200 PRINT "Program the firmare in slot #"
300 INPUT SL
400 FW = 8192 + 256 * SL: REM Firmware source
500 PS = 49287 + SL * 16: REM Firmware page selection
600 EP = 49152 + SL * 256: REM EPROM location
900 HOME
1000 FOR PG = 0 TO 3
1004 PRINT : PRINT
1005 PRINT "Writing page "PG" to slot "SL"
1006 PRINT "_______________________________________"
1007 PRINT "_______________________________________";
1008 HTAB 1
1010 POKE PS,PG * 16 + 15: REM Set firmware page
1020 FOR X = 0 TO 255
1030 A = PEEK (FW + PG * 2048 + X)
1040 POKE EP + X,A
1041 B = PEEK (EP + X)
1042 IF (B < > A) THEN GOTO 1041
1045 HTAB (X / 256) * 39 + 1
1046 INVERSE : PRINT " ";: NORMAL
1050 NEXT X
1060 NEXT PG
1900 PRINT
2000 PRINT "Firmware Update Complete"
```

65
main.go
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@ -9,6 +9,8 @@ import (
"github.com/tjboldt/ProDOS-Utilities/prodos" "github.com/tjboldt/ProDOS-Utilities/prodos"
) )
const version = "0.1.0"
func main() { func main() {
var fileName string var fileName string
var pathName string var pathName string
@ -20,20 +22,21 @@ func main() {
var volumeName string var volumeName string
var fileType int var fileType int
var auxType int var auxType int
flag.StringVar(&fileName, "driveimage", "", "A ProDOS format drive image") flag.StringVar(&fileName, "d", "", "A ProDOS format drive image")
flag.StringVar(&pathName, "path", "", "Path name in ProDOS drive image") flag.StringVar(&pathName, "p", "", "Path name in ProDOS drive image (default is root of volume)")
flag.StringVar(&command, "command", "ls", "Command to execute: ls, get, put, volumebitmap, readblock, writeblock, createvolume, delete") flag.StringVar(&command, "c", "ls", "Command to execute: ls, get, put, rm, mkdir, readblock, writeblock, create")
flag.StringVar(&outFileName, "outfile", "", "Name of file to write") flag.StringVar(&outFileName, "o", "", "Name of file to write")
flag.StringVar(&inFileName, "infile", "", "Name of file to read") flag.StringVar(&inFileName, "i", "", "Name of file to read")
flag.IntVar(&volumeSize, "volumesize", 65535, "Number of blocks to create the volume with") flag.IntVar(&volumeSize, "s", 65535, "Number of blocks to create the volume with (default 65535, 64 to 65535, 0x0040 to 0xFFFF hex input accepted)")
flag.StringVar(&volumeName, "volumename", "NO.NAME", "Specifiy a name for the volume from 1 to 15 characters") flag.StringVar(&volumeName, "v", "NO.NAME", "Specifiy a name for the volume from 1 to 15 characters")
flag.IntVar(&blockNumber, "block", 0, "A block number to read/write from 0 to 65535") flag.IntVar(&blockNumber, "b", 0, "A block number to read/write from 0 to 65535 (0x0000 to 0xFFFF hex input accepted)")
flag.IntVar(&fileType, "type", 6, "ProDOS FileType: 4=txt, 6=bin, 252=bas, 255=sys etc.") flag.IntVar(&fileType, "t", 6, "ProDOS FileType: 0x04 for TXT, 0x06 for BIN, 0xFA for BAS, 0xFF for SYS etc.")
flag.IntVar(&auxType, "aux", 0x2000, "ProDOS AuxType from 0 to 65535 (usually load address)") flag.IntVar(&auxType, "a", 0x2000, "ProDOS AuxType from 0 to 65535 (0x0000 to 0xFFFF hex input accepted)")
flag.Parse() flag.Parse()
if len(fileName) == 0 { if len(fileName) == 0 {
fmt.Printf("Missing driveimage. Run with --help for more info.\n") printReadme()
flag.PrintDefaults()
os.Exit(1) os.Exit(1)
} }
@ -41,22 +44,25 @@ func main() {
case "ls": case "ls":
file, err := os.OpenFile(fileName, os.O_RDWR, 0755) file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil { if err != nil {
fmt.Printf("Failed to open drive image %s:\n %s", fileName, err)
os.Exit(1) os.Exit(1)
} }
defer file.Close()
pathName = strings.ToUpper(pathName)
volumeHeader, _, fileEntries := prodos.ReadDirectory(file, pathName) volumeHeader, _, fileEntries := prodos.ReadDirectory(file, pathName)
prodos.DumpDirectory(volumeHeader, fileEntries) if len(pathName) == 0 {
case "volumebitmap": pathName = "/" + volumeHeader.VolumeName
file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil {
os.Exit(1)
} }
volumeBitmap := prodos.ReadVolumeBitmap(file) volumeBitmap := prodos.ReadVolumeBitmap(file)
prodos.DumpBlock(volumeBitmap) freeBlocks := prodos.GetFreeBlockCount(volumeBitmap, volumeHeader.TotalBlocks)
prodos.DumpDirectory(freeBlocks, volumeHeader.TotalBlocks, pathName, fileEntries)
case "get": case "get":
file, err := os.OpenFile(fileName, os.O_RDWR, 0755) file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil { if err != nil {
fmt.Printf("Failed to open drive image %s:\n %s", fileName, err)
os.Exit(1) os.Exit(1)
} }
defer file.Close()
if len(pathName) == 0 { if len(pathName) == 0 {
fmt.Println("Missing pathname") fmt.Println("Missing pathname")
os.Exit(1) os.Exit(1)
@ -82,14 +88,17 @@ func main() {
case "put": case "put":
file, err := os.OpenFile(fileName, os.O_RDWR, 0755) file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil { if err != nil {
fmt.Printf("Failed to open drive image %s:\n %s", fileName, err)
os.Exit(1) os.Exit(1)
} }
defer file.Close()
if len(pathName) == 0 { if len(pathName) == 0 {
fmt.Println("Missing pathname") fmt.Println("Missing pathname")
os.Exit(1) os.Exit(1)
} }
inFile, err := os.ReadFile(inFileName) inFile, err := os.ReadFile(inFileName)
if err != nil { if err != nil {
fmt.Printf("Failed to open input file %s: %s", inFileName, err)
os.Exit(1) os.Exit(1)
} }
err = prodos.WriteFile(file, pathName, fileType, auxType, inFile) err = prodos.WriteFile(file, pathName, fileType, auxType, inFile)
@ -97,26 +106,34 @@ func main() {
fmt.Printf("Failed to write file %s: %s", pathName, err) fmt.Printf("Failed to write file %s: %s", pathName, err)
} }
case "readblock": case "readblock":
fmt.Printf("Block 0x%04X (%d):\n\n", blockNumber, blockNumber)
file, err := os.OpenFile(fileName, os.O_RDWR, 0755) file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil { if err != nil {
fmt.Printf("Failed to open drive image %s:\n %s", fileName, err)
os.Exit(1) os.Exit(1)
} }
defer file.Close()
block := prodos.ReadBlock(file, blockNumber) block := prodos.ReadBlock(file, blockNumber)
outFile, err := os.Create(outFileName) prodos.DumpBlock(block)
case "create":
file, err := os.Create(fileName)
if err != nil { if err != nil {
os.Exit(1) fmt.Printf("failed to create file: %s\n", err)
return
} }
outFile.Write(block) defer file.Close()
case "createvolume": prodos.CreateVolume(file, volumeName, volumeSize)
prodos.CreateVolume(fileName, volumeName, volumeSize) case "rm":
case "delete":
file, err := os.OpenFile(fileName, os.O_RDWR, 0755) file, err := os.OpenFile(fileName, os.O_RDWR, 0755)
if err != nil { if err != nil {
fmt.Printf("Failed to open drive image %s:\n %s", fileName, err)
os.Exit(1) os.Exit(1)
} }
defer file.Close()
prodos.DeleteFile(file, pathName) prodos.DeleteFile(file, pathName)
default: default:
fmt.Printf("Command %s not handle\n", command) fmt.Printf("Invalid command: %s\n\n", command)
flag.PrintDefaults()
os.Exit(1) os.Exit(1)
} }
} }

2
prodos/bitmap.go
View File

@ -101,7 +101,7 @@ func findFreeBlocks(volumeBitmap []byte, numberOfBlocks int) []int {
return nil return nil
} }
func getFreeBlockCount(volumeBitmap []byte, totalBlocks int) int { func GetFreeBlockCount(volumeBitmap []byte, totalBlocks int) int {
freeBlockCount := 0 freeBlockCount := 0
for i := 0; i < totalBlocks; i++ { for i := 0; i < totalBlocks; i++ {

9
prodos/format.go
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@ -7,7 +7,7 @@ import (
"time" "time"
) )
func CreateVolume(fileName string, volumeName string, numberOfBlocks int) { func CreateVolume(file *os.File, volumeName string, numberOfBlocks int) {
if numberOfBlocks > 65535 || numberOfBlocks < 64 { if numberOfBlocks > 65535 || numberOfBlocks < 64 {
return return
} }
@ -17,11 +17,6 @@ func CreateVolume(fileName string, volumeName string, numberOfBlocks int) {
fmt.Println("bad name length") fmt.Println("bad name length")
return return
} }
file, err := os.Create(fileName)
if err != nil {
fmt.Printf("failed to create file: %s\n", err)
return
}
blankBlock := make([]byte, 512) blankBlock := make([]byte, 512)
for i := 0; i < numberOfBlocks; i++ { for i := 0; i < numberOfBlocks; i++ {
@ -87,8 +82,6 @@ func CreateVolume(fileName string, volumeName string, numberOfBlocks int) {
// volume bit map starting at block 6 // volume bit map starting at block 6
volumeBitmap := createVolumeBitmap(numberOfBlocks) volumeBitmap := createVolumeBitmap(numberOfBlocks)
writeVolumeBitmap(file, volumeBitmap) writeVolumeBitmap(file, volumeBitmap)
file.Close()
} }
func getBootBlock() []byte { func getBootBlock() []byte {

14
prodos/format_test.go
View File

@ -22,12 +22,16 @@ func TestCreateVolume(t *testing.T) {
t.Run(testname, func(t *testing.T) { t.Run(testname, func(t *testing.T) {
fileName := os.TempDir() + "test-volume.hdv" fileName := os.TempDir() + "test-volume.hdv"
defer os.Remove(fileName) defer os.Remove(fileName)
CreateVolume(fileName, tt.wantVolumeName, tt.blocks) file, err := os.Create(fileName)
file, err := os.Open(fileName)
if err != nil { if err != nil {
t.Error(err) t.Errorf("failed to create file: %s\n", err)
return
} }
defer file.Close()
CreateVolume(file, tt.wantVolumeName, tt.blocks)
volumeHeader, _, fileEntries := ReadDirectory(file, "") volumeHeader, _, fileEntries := ReadDirectory(file, "")
if volumeHeader.VolumeName != tt.wantVolumeName { if volumeHeader.VolumeName != tt.wantVolumeName {
t.Errorf("got volume name %s, want %s", volumeHeader.VolumeName, tt.wantVolumeName) t.Errorf("got volume name %s, want %s", volumeHeader.VolumeName, tt.wantVolumeName)
@ -40,7 +44,7 @@ func TestCreateVolume(t *testing.T) {
} }
volumeBitmap := ReadVolumeBitmap(file) volumeBitmap := ReadVolumeBitmap(file)
freeBlockCount := getFreeBlockCount(volumeBitmap, tt.blocks) freeBlockCount := GetFreeBlockCount(volumeBitmap, tt.blocks)
if freeBlockCount != tt.wantFreeBlocks { if freeBlockCount != tt.wantFreeBlocks {
t.Errorf("got free blocks: %d, want %d", freeBlockCount, tt.wantFreeBlocks) t.Errorf("got free blocks: %d, want %d", freeBlockCount, tt.wantFreeBlocks)
} }

26
prodos/text.go
View File

@ -115,6 +115,7 @@ func DumpDirectoryHeader(directoryHeader DirectoryHeader) {
func DumpBlock(buffer []byte) { func DumpBlock(buffer []byte) {
for i := 0; i < len(buffer); i += 16 { for i := 0; i < len(buffer); i += 16 {
fmt.Printf("%04X: ", i)
for j := i; j < i+16; j++ { for j := i; j < i+16; j++ {
fmt.Printf("%02X ", buffer[j]) fmt.Printf("%02X ", buffer[j])
} }
@ -130,20 +131,33 @@ func DumpBlock(buffer []byte) {
} }
} }
func DumpDirectory(volumeHeader VolumeHeader, fileEntries []FileEntry) { func DumpDirectory(blocksFree int, totalBlocks int, path string, fileEntries []FileEntry) {
fmt.Printf("VOLUME: %s\n\n", volumeHeader.VolumeName) fmt.Printf("%s\n\n", path)
fmt.Printf("NAME TYPE BLOCKS MODIFIED CREATED ENDFILE SUBTYPE\n\n") fmt.Printf(" NAME TYPE BLOCKS MODIFIED CREATED ENDFILE SUBTYPE\n\n")
for i := 0; i < len(fileEntries); i++ { for i := 0; i < len(fileEntries); i++ {
fmt.Printf("%-15s %s %7d %s %s %8d %8d\n", var zeroTime = time.Time{}
var modifiedTime, createdTime string
if fileEntries[i].ModifiedTime == zeroTime {
modifiedTime = "<NO DATE> "
} else {
modifiedTime = TimeToString(fileEntries[i].ModifiedTime)
}
if fileEntries[i].CreationTime == zeroTime {
createdTime = "<NO DATE> "
} else {
createdTime = TimeToString(fileEntries[i].CreationTime)
}
fmt.Printf(" %-15s %s %7d %s %s %8d %8d\n",
fileEntries[i].FileName, fileEntries[i].FileName,
FileTypeToString(fileEntries[i].FileType), FileTypeToString(fileEntries[i].FileType),
fileEntries[i].BlocksUsed, fileEntries[i].BlocksUsed,
TimeToString(fileEntries[i].ModifiedTime), modifiedTime,
TimeToString(fileEntries[i].CreationTime), createdTime,
fileEntries[i].EndOfFile, fileEntries[i].EndOfFile,
fileEntries[i].AuxType, fileEntries[i].AuxType,
) )
} }
fmt.Printf("\n") fmt.Printf("\n")
fmt.Printf("BLOCKS FREE: %5d BLOCKS USED: %5d TOTAL BLOCKS: %5d\n", blocksFree, totalBlocks-blocksFree, totalBlocks)
} }

6
prodos/time.go
View File

@ -36,6 +36,12 @@ func DateTimeToProDOS(dateTime time.Time) []byte {
} }
func DateTimeFromProDOS(buffer []byte) time.Time { func DateTimeFromProDOS(buffer []byte) time.Time {
if buffer[0] == 0 &&
buffer[1] == 0 &&
buffer[2] == 0 &&
buffer[3] == 0 {
return time.Time{}
}
twoDigitYear := buffer[1] >> 1 twoDigitYear := buffer[1] >> 1
var year int var year int
if twoDigitYear < 76 { if twoDigitYear < 76 {

31
readme.go Normal file
View File

@ -0,0 +1,31 @@
package main
import "fmt"
func printReadme() {
fmt.Printf("ProDOS-Utilities %s\n", version)
fmt.Println("https://github.com/tjboldt/ProDOS-Utilities")
fmt.Println(`
MIT License
Copyright (c) 2021 Terence Boldt
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.`)
fmt.Println()
}