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D64 images with extra error information now has that data applied.

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This commit is contained in:
Stephen White 2019-04-28 14:54:26 +10:00
parent 64291c0dfd
commit a0e88c5e79
1 changed files with 33 additions and 2 deletions
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35
src/DiskImage.cpp
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@ -159,6 +159,11 @@ void DiskImage::DumpTrack(unsigned track)
bool DiskImage::OpenD64(const FILINFO* fileInfo, unsigned char* diskImage, unsigned size)
{
unsigned char errorinfo[MAXBLOCKSONDISK];
unsigned last_track = MAXBLOCKSONDISK;
unsigned sector_ref;
unsigned char error;
Close();
this->fileInfo = fileInfo;
@ -170,7 +175,31 @@ bool DiskImage::OpenD64(const FILINFO* fileInfo, unsigned char* diskImage, unsig
attachedImageSize = size;
for (unsigned halfTrackIndex = 0; halfTrackIndex < HALF_TRACK_COUNT; ++halfTrackIndex)
memset(errorinfo, SECTOR_OK, sizeof(errorinfo));
switch (size)
{
case (BLOCKSONDISK * 257): // 35 track image with errorinfo
memcpy(errorinfo, diskImage + (BLOCKSONDISK * 256), BLOCKSONDISK);
/* FALLTHROUGH */
case (BLOCKSONDISK * 256): // 35 track image w/o errorinfo
last_track = 35;
break;
case (MAXBLOCKSONDISK * 257): // 40 track image with errorinfo
memcpy(errorinfo, diskImage + (MAXBLOCKSONDISK * 256), MAXBLOCKSONDISK);
/* FALLTHROUGH */
case (MAXBLOCKSONDISK * 256): // 40 track image w/o errorinfo
last_track = 40;
break;
default: // non-standard images, attempt to load anyway
last_track = 40;
break;
}
sector_ref = 0;
for (unsigned halfTrackIndex = 0; halfTrackIndex < last_track * 2; ++halfTrackIndex)
{
unsigned char track = (halfTrackIndex >> 1);
unsigned char* dest = tracks[halfTrackIndex];
@ -185,7 +214,9 @@ bool DiskImage::OpenD64(const FILINFO* fileInfo, unsigned char* diskImage, unsig
//DEBUG_LOG("Track %d used\r\n", halfTrackIndex);
for (unsigned sectorNo = 0; sectorNo < SectorsPerTrack[track]; ++sectorNo)
{
convert_sector_to_GCR(diskImage + offset, dest, track + 1, sectorNo, diskImage + 0x165A2, 0);
error = errorinfo[sector_ref++];
convert_sector_to_GCR(diskImage + offset, dest, track + 1, sectorNo, diskImage + 0x165A2, error);
dest += 361;
offset += SECTOR_LENGTH;