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Fix for #201 #200 #199

This commit is contained in:
Stephen White 2020-12-28 15:48:48 +11:00
parent a7a1402a01
commit 1c6093d85e
2 changed files with 8 additions and 6 deletions
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10
src/DiskImage.cpp
View File

@ -72,7 +72,7 @@ static const unsigned short SECTOR_LENGTH_WITH_CHECKSUM = 260;
static const unsigned char GCR_SYNC_BYTE = 0xff; static const unsigned char GCR_SYNC_BYTE = 0xff;
static const unsigned char GCR_GAP_BYTE = 0x55; static const unsigned char GCR_GAP_BYTE = 0x55;
static const int SECTOR_HEADER_LENGTH = 8; static const int SECTOR_HEADER_LENGTH = 8;
static const unsigned MAX_D64_SIZE = 0x30000; static const unsigned MAX_D64_SIZE = 0x32200 + 768;
static const unsigned MAX_D71_SIZE = 0x55600 + 1366; static const unsigned MAX_D71_SIZE = 0x55600 + 1366;
static const unsigned MAX_D81_SIZE = 822400; static const unsigned MAX_D81_SIZE = 822400;
@ -141,6 +141,7 @@ DiskImage::DiskImage()
, fileInfo(0) , fileInfo(0)
{ {
memset(tracks, 0x55, sizeof(tracks)); memset(tracks, 0x55, sizeof(tracks));
memset(trackUsed, 0, sizeof(trackUsed));
} }
void DiskImage::Close() void DiskImage::Close()
@ -180,6 +181,7 @@ void DiskImage::Close()
break; break;
} }
memset(trackLengths, 0, sizeof(trackLengths)); memset(trackLengths, 0, sizeof(trackLengths));
memset(trackUsed, 0, sizeof(trackUsed));
diskType = NONE; diskType = NONE;
fileInfo = 0; fileInfo = 0;
hash = 0; hash = 0;
@ -204,7 +206,7 @@ void DiskImage::DumpTrack(unsigned track)
bool DiskImage::OpenD64(const FILINFO* fileInfo, unsigned char* diskImage, unsigned size) bool DiskImage::OpenD64(const FILINFO* fileInfo, unsigned char* diskImage, unsigned size)
{ {
unsigned char errorinfo[MAXBLOCKSONDISK]; unsigned char errorinfo[MAXBLOCKSONDISK];
unsigned last_track = MAXBLOCKSONDISK; unsigned last_track;
unsigned sector_ref; unsigned sector_ref;
unsigned char error; unsigned char error;
@ -314,11 +316,11 @@ bool DiskImage::WriteD64(char* name)
return false; return false;
} }
d64ptr = d64data; d64ptr = d64data;
for (track = 0; track <= 40 * 2; track += 2) for (track = 0; track < HALF_TRACK_COUNT; track += 2)
{ {
if (trackUsed[track]) if (trackUsed[track])
{ {
//printf("Track %d\n", track); //printf("Track %d\r\n", track);
for (sector = 0; sector < SectorsPerTrack[track / 2]; sector++) for (sector = 0; sector < SectorsPerTrack[track / 2]; sector++)
{ {

4
src/gcr.h
View File

@ -27,8 +27,8 @@
#define MAX_HALFTRACKS_1571 (MAX_TRACKS_1571 * 2) #define MAX_HALFTRACKS_1571 (MAX_TRACKS_1571 * 2)
/* D64 constants */ /* D64 constants */
#define BLOCKSONDISK 683 #define BLOCKSONDISK (17*21 + 7*19 + 6*18 + 5*17)
#define BLOCKSEXTRA 85 #define BLOCKSEXTRA (5*17)
#define MAXBLOCKSONDISK (BLOCKSONDISK+BLOCKSEXTRA) #define MAXBLOCKSONDISK (BLOCKSONDISK+BLOCKSEXTRA)
#define MAX_TRACK_D64 40 #define MAX_TRACK_D64 40