diskm8/drvgeneric.go
April Ayres-Griffiths 75d42c4597 initial commit
2018-01-20 11:05:04 +11:00

87 lines
1.7 KiB
Go

package main
import (
"crypto/sha256"
"encoding/hex"
"github.com/paleotronic/diskm8/disk"
"github.com/paleotronic/diskm8/loggy"
)
func analyzeNONE(id int, dsk *disk.DSKWrapper, info *Disk) {
l := loggy.Get(id)
// Sector bitmap
switch len(dsk.Data) {
case disk.STD_DISK_BYTES:
info.Tracks = 35
info.Sectors = 16
case disk.STD_DISK_BYTES_OLD:
info.Tracks = 35
info.Sectors = 13
case disk.PRODOS_800KB_DISK_BYTES:
info.Tracks = disk.GetDiskFormat(disk.DF_PRODOS_800KB).TPD()
info.Sectors = disk.GetDiskFormat(disk.DF_PRODOS_800KB).SPT()
default:
l.Errorf("Unknown size %d bytes", len(dsk.Data))
}
l.Logf("Tracks: %d, Sectors: %d", info.Tracks, info.Sectors)
l.Logf("Reading sector bitmap and SHA256'ing sectors")
l.Logf("Assuming all sectors might be used")
info.Bitmap = make([]bool, info.Tracks*info.Sectors)
for i := range info.Bitmap {
info.Bitmap[i] = true
}
info.ActiveSectors = make(DiskSectors, 0)
activeData := make([]byte, 0)
for t := 0; t < info.Tracks; t++ {
for s := 0; s < info.Sectors; s++ {
if info.Bitmap[t*info.Sectors+s] {
sector := &DiskSector{
Track: t,
Sector: s,
SHA256: dsk.ChecksumSector(t, s),
}
data := dsk.Read()
activeData = append(activeData, data...)
if *ingestMode&2 == 2 {
sector.Data = data
}
info.ActiveSectors = append(info.ActiveSectors, sector)
}
}
}
sum := sha256.Sum256(activeData)
info.SHA256Active = hex.EncodeToString(sum[:])
info.LogBitmap(id)
// Analyzing files
l.Log("Skipping Analysis of files")
exists := exists(*baseName + "/" + info.GetFilename())
if !exists || *forceIngest {
info.WriteToFile(*baseName + "/" + info.GetFilename())
} else {
l.Log("Not writing as it already exists")
}
out(dsk.Format)
}