mirror of
https://github.com/JorjBauer/aiie.git
synced 2024-12-27 14:30:22 +00:00
simple write support; added teensy abstraction
This commit is contained in:
Jorj Bauer
parent
290b3e5a58
commit
637d958acf
111
apple/woz.cpp
111
apple/woz.cpp
@ -3,6 +3,9 @@
|
||||
#include "crc32.h"
|
||||
#include "nibutil.h"
|
||||
#include "version.h"
|
||||
#ifdef TEENSYDUINO
|
||||
#include "fscompat.h"
|
||||
#endif
|
||||
|
||||
// Block number we start packing data bits after (Woz 2.0 images)
|
||||
#define STARTBLOCK 3
|
||||
@ -36,6 +39,7 @@ Woz::Woz(bool verbose, uint8_t dumpflags)
|
||||
metaData = NULL;
|
||||
this->verbose = verbose;
|
||||
this->dumpflags = dumpflags;
|
||||
trackDirty = false;
|
||||
|
||||
memset(&quarterTrackMap, 255, sizeof(quarterTrackMap));
|
||||
memset(&di, 0, sizeof(diskInfo));
|
||||
@ -121,6 +125,7 @@ bool Woz::writeNextWozByte(uint8_t datatrack, uint8_t b)
|
||||
|
||||
// We could be byte-aligned, but it's not guaranteed, so this
|
||||
// handles it bitwise.
|
||||
#if 0
|
||||
printf("track %d write byte 0x%.2X @ ptr[%d] bitidx==0x%.2X ctr=%d\n", datatrack, b, trackPointer, trackBitIdx, trackBitCounter);
|
||||
|
||||
// Debugging: aligning to bytes so I can see the effective bitstream
|
||||
@ -132,7 +137,8 @@ bool Woz::writeNextWozByte(uint8_t datatrack, uint8_t b)
|
||||
trackBitIdx = 0x80;
|
||||
}
|
||||
// end debugging
|
||||
|
||||
#endif
|
||||
|
||||
for (uint8_t i=0; i<8; i++) {
|
||||
writeNextWozBit(datatrack, b & (1 << (7-i)) ? 1 : 0);
|
||||
}
|
||||
@ -347,9 +353,21 @@ bool Woz::writeFile(const char *filename, uint8_t forceType)
|
||||
|
||||
bool Woz::writeWozFile(const char *filename, uint8_t subtype)
|
||||
{
|
||||
int version = 2; // FIXME: determine from subtype
|
||||
|
||||
int fdout = -1;
|
||||
|
||||
fdout = open(filename, O_TRUNC|O_CREAT|O_RDWR, S_IRUSR|S_IWUSR);
|
||||
if (fdout == -1) {
|
||||
perror("ERROR: Unable to open output file");
|
||||
return false;
|
||||
}
|
||||
|
||||
bool retval = writeWozFile(fdout, subtype);
|
||||
close(fdout);
|
||||
return retval;
|
||||
}
|
||||
|
||||
bool Woz::writeWozFile(int fdout, uint8_t subtype)
|
||||
{
|
||||
bool retval = false;
|
||||
uint32_t tmp32; // scratch 32-bit value
|
||||
off_t crcPos, endPos;
|
||||
@ -357,17 +375,13 @@ bool Woz::writeWozFile(const char *filename, uint8_t subtype)
|
||||
uint32_t crcDataSize;
|
||||
uint8_t *crcData = NULL;
|
||||
|
||||
|
||||
int version = 2; // FIXME: determine from subtype
|
||||
|
||||
if (version > 2 || !version) {
|
||||
fprintf(stderr, "ERROR: version must be 1 or 2\n");
|
||||
goto done;
|
||||
}
|
||||
|
||||
fdout = open(filename, O_TRUNC|O_CREAT|O_RDWR, S_IRUSR|S_IWUSR);
|
||||
if (fdout == -1) {
|
||||
perror("ERROR: Unable to open output file");
|
||||
goto done;
|
||||
return false;
|
||||
}
|
||||
lseek(fdout, 0, SEEK_SET);
|
||||
|
||||
// header
|
||||
if (version == 1) {
|
||||
@ -460,22 +474,29 @@ bool Woz::writeWozFile(const char *filename, uint8_t subtype)
|
||||
done:
|
||||
if (crcData)
|
||||
free(crcData);
|
||||
if (fdout != -1)
|
||||
close(fdout);
|
||||
return retval;
|
||||
}
|
||||
|
||||
bool Woz::writeDskFile(const char *filename, uint8_t subtype)
|
||||
{
|
||||
if (isSynchronized()) {
|
||||
fprintf(stderr, "WARNING: disk image has synchronized tracks; it may not work as a DSK or NIB file.\n");
|
||||
}
|
||||
|
||||
int fdout = open(filename, O_CREAT|O_TRUNC|O_WRONLY, S_IRUSR|S_IWUSR);
|
||||
if (fdout == -1) {
|
||||
perror("Failed to open output file");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
bool retval = writeDskFile(fdout, subtype);
|
||||
close(fdout);
|
||||
return retval;
|
||||
}
|
||||
|
||||
bool Woz::writeDskFile(int fdout, uint8_t subtype)
|
||||
{
|
||||
if (isSynchronized()) {
|
||||
fprintf(stderr, "WARNING: disk image has synchronized tracks; it may not work as a DSK or NIB file.\n");
|
||||
}
|
||||
lseek(fdout, 0, SEEK_SET);
|
||||
|
||||
uint8_t sectorData[256*16];
|
||||
for (int phystrack=0; phystrack<35; phystrack++) {
|
||||
if (!decodeWozTrackToDsk(quarterTrackMap[phystrack*4], subtype, sectorData)) {
|
||||
@ -494,15 +515,24 @@ bool Woz::writeDskFile(const char *filename, uint8_t subtype)
|
||||
|
||||
bool Woz::writeNibFile(const char *filename)
|
||||
{
|
||||
if (isSynchronized()) {
|
||||
fprintf(stderr, "WARNING: disk image has synchronized tracks; it may not work as a DSK or NIB file.\n");
|
||||
}
|
||||
|
||||
int fdout = open(filename, O_CREAT|O_TRUNC|O_WRONLY, S_IRUSR|S_IWUSR);
|
||||
if (fdout == -1) {
|
||||
perror("Failed to open output file");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
bool retval = writeNibFile(fdout);
|
||||
close(fdout);
|
||||
return retval;
|
||||
}
|
||||
|
||||
bool Woz::writeNibFile(int fdout)
|
||||
{
|
||||
if (isSynchronized()) {
|
||||
fprintf(stderr, "WARNING: disk image has synchronized tracks; it may not work as a DSK or NIB file.\n");
|
||||
}
|
||||
lseek(fdout, 0, SEEK_SET);
|
||||
|
||||
nibSector nibData[16];
|
||||
for (int phystrack=0; phystrack<35; phystrack++) {
|
||||
if (!decodeWozTrackToNib(quarterTrackMap[phystrack*4], nibData)) {
|
||||
@ -555,12 +585,7 @@ bool Woz::loadMissingTrackFromImage(uint8_t datatrack)
|
||||
// that might be malloc'd and purge them if we're
|
||||
// autoFlushTrackData==true (trying to limit memory use)
|
||||
if (autoFlushTrackData == true) {
|
||||
|
||||
if (trackDirty) {
|
||||
printf("Hackily writing /tmp/auto.woz\n");
|
||||
trackDirty = false;
|
||||
writeFile("/tmp/auto.woz"/*, T_WOZ2*/); // FIXME: debugging
|
||||
}
|
||||
flush();
|
||||
|
||||
for (int i=0; i<160; i++) {
|
||||
if (tracks[i].trackData) {
|
||||
@ -644,7 +669,7 @@ bool Woz::readDskFile(const char *filename, bool preloadTracks, uint8_t subtype)
|
||||
imageType = subtype;
|
||||
|
||||
if (fd != -1) close(fd);
|
||||
fd = open(filename, O_RDONLY);
|
||||
fd = open(filename, O_RDWR, S_IRUSR|S_IWUSR);
|
||||
if (fd == -1) {
|
||||
perror("Unable to open input file");
|
||||
goto done;
|
||||
@ -677,10 +702,6 @@ bool Woz::readDskFile(const char *filename, bool preloadTracks, uint8_t subtype)
|
||||
retval = true;
|
||||
|
||||
done:
|
||||
if (preloadTracks && fd != -1) {
|
||||
close(fd);
|
||||
fd = -1;
|
||||
}
|
||||
return retval;
|
||||
}
|
||||
|
||||
@ -690,7 +711,7 @@ bool Woz::readNibFile(const char *filename, bool preloadTracks)
|
||||
imageType = T_NIB;
|
||||
|
||||
if (fd != -1) close(fd);
|
||||
fd = open(filename, O_RDONLY);
|
||||
fd = open(filename, O_RDWR, S_IRUSR|S_IWUSR);
|
||||
if (fd == -1) {
|
||||
perror("Unable to open input file");
|
||||
return false;
|
||||
@ -734,7 +755,7 @@ bool Woz::readWozFile(const char *filename, bool preloadTracks)
|
||||
autoFlushTrackData = !preloadTracks;
|
||||
|
||||
if (fd != -1) close(fd);
|
||||
fd = open(filename, O_RDONLY);
|
||||
fd = open(filename, O_RDWR, S_IRUSR|S_IWUSR);
|
||||
if (fd == -1) {
|
||||
perror("Unable to open input file");
|
||||
return false;
|
||||
@ -1579,14 +1600,26 @@ uint8_t Woz::dataTrackNumberForQuarterTrack(uint16_t qt)
|
||||
return quarterTrackMap[qt];
|
||||
}
|
||||
|
||||
#if 1
|
||||
bool Woz::flush()
|
||||
{
|
||||
if (trackDirty) {
|
||||
printf("Hackily writing /tmp/auto.woz\n");
|
||||
printf("FLUSH!\n");
|
||||
trackDirty = false;
|
||||
return writeFile("/tmp/auto.woz"); // FIXME: debugging
|
||||
// From the imageType, call the appropriate function to write.
|
||||
switch (imageType) {
|
||||
case T_WOZ:
|
||||
return writeWozFile(fd, imageType);
|
||||
case T_DSK:
|
||||
case T_PO:
|
||||
return writeDskFile(fd, imageType);
|
||||
case T_NIB:
|
||||
return writeNibFile(fd);
|
||||
default:
|
||||
fprintf(stderr, "Error: unknown imageType; can't flush\n");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
|
||||
/* NOTREACHED */
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user