void CIniFileBase::SetAutoFlush (bool AutoFlush)
{
m_InstantFlush = AutoFlush;
if (AutoFlush)
{
FlushChanges();
}
}
void CFloppyController::DetachImage(int drive)
{
if (m_drivedata[drive].fpFile == NULL) return;
FlushChanges();
::fclose(m_drivedata[drive].fpFile);
m_drivedata[drive].fpFile = NULL;
m_drivedata[drive].okReadOnly = FALSE;
m_drivedata[drive].Reset();
}
void CFloppyController::Reset()
{
FlushChanges();
m_drive = m_side = m_track = 0;
m_pDrive = NULL;
m_datareg = m_writereg = m_shiftreg = 0;
m_writing = m_searchsync = m_writemarker = m_crccalculus = FALSE;
m_writeflag = m_shiftflag = FALSE;
m_trackchanged = FALSE;
m_status = FLOPPY_STATUS_TRACK0 | FLOPPY_STATUS_WRITEPROTECT;
m_flags = FLOPPY_CMD_CORRECTION500 | FLOPPY_CMD_SIDEUP | FLOPPY_CMD_DIR | FLOPPY_CMD_SKIPSYNC;
PrepareTrack();
}
// Read track data from file and fill m_data
void CFloppyController::PrepareTrack()
{
FlushChanges();
if (m_pDrive == NULL) return;
#if !defined(PRODUCT)
DebugLogFormat(_T("Floppy Prepare Track\tTRACK %d SIDE %d\r\n"), m_track, m_side);
#endif
DWORD count;
m_trackchanged = FALSE;
m_status |= FLOPPY_STATUS_MOREDATA;
m_pDrive->dataptr = 0;
m_pDrive->datatrack = m_track;
m_pDrive->dataside = m_side;
// Track has 10 sectors, 512 bytes each; offset of the file is === ((Track<<1)+SIDE)*5120
long foffset = ((m_track * 2) + (m_side)) * 5120;
BYTE data[5120];
memset(data, 0, 5120);
if (m_pDrive->fpFile != NULL)
{
::fseek(m_pDrive->fpFile, foffset, SEEK_SET);
count = ::fread(&data, 1, 5120, m_pDrive->fpFile);
//TODO: Контроль ошибок чтения
}
// Fill m_data array and m_marker array with marked data
EncodeTrackData(data, m_pDrive->data, m_pDrive->marker, m_track, m_side);
////DEBUG: Test DecodeTrackData()
//BYTE data2[5120];
//BOOL parsed = DecodeTrackData(m_pDrive->data, data2);
//ASSERT(parsed);
//BOOL tested = TRUE;
//for (int i = 0; i < 5120; i++)
// if (data[i] != data2[i])
// {
// tested = FALSE;
// break;
// }
//ASSERT(tested);
}
void CFloppyController::SetCommand(WORD cmd)
{
//#if !defined(PRODUCT)
// DebugLogFormat(_T("Floppy COMMAND %06o\r\n"), cmd);
//#endif
BOOL okPrepareTrack = FALSE; // Нужно ли считывать дорожку в буфер
// Проверить, не сменился ли текущий привод
int newdrive = -1;
switch (cmd & 0x0f)
{
case 0: newdrive = -1; break;
case 1: default: newdrive = 0; break;
case 2: case 6: case 10: case 14: newdrive = 1; break;
case 4: case 12: newdrive = 2; break;
case 8: newdrive = 3; break;
}
if (m_drive != newdrive)
{
FlushChanges();
m_drive = newdrive;
m_pDrive = (newdrive == -1) ? NULL : m_drivedata + m_drive;
okPrepareTrack = TRUE;
#if !defined(PRODUCT)
DebugLogFormat(_T("Floppy CURRENT DRIVE %d\r\n"), newdrive);
#endif
}
if (m_drive == -1)
return;
cmd &= ~3; // Убираем из команды информацию о текущем приводе
// Copy new flags to m_flags
m_flags &= ~FLOPPY_CMD_MASKSTORED;
m_flags |= cmd & FLOPPY_CMD_MASKSTORED;
// Проверяем, не сменилась ли сторона
if (m_flags & FLOPPY_CMD_SIDEUP) // Side selection: 0 - down, 1 - up
{
if (m_side == 0) { m_side = 1; okPrepareTrack = TRUE; }
}
else
{
if (m_side == 1) { m_side = 0; okPrepareTrack = TRUE; }
}
if (cmd & FLOPPY_CMD_STEP) // Move head for one track to center or from center
{
#if !defined(PRODUCT)
DebugLogFormat(_T("Floppy STEP %d\r\n"), (m_flags & FLOPPY_CMD_DIR) ? 1 : 0);
#endif
m_side = (m_flags & FLOPPY_CMD_SIDEUP) ? 1 : 0;
if (m_flags & FLOPPY_CMD_DIR)
{
if (m_track < 82) { m_track++; okPrepareTrack = TRUE; }
}
else
{
if (m_track >= 1) { m_track--; okPrepareTrack = TRUE; }
}
}
if (okPrepareTrack)
PrepareTrack();
if (cmd & FLOPPY_CMD_SEARCHSYNC) // Search for marker
{
#if !defined(PRODUCT)
DebugLog(_T("Floppy SEARCHSYNC\r\n")); //DEBUG
#endif
m_flags &= ~FLOPPY_CMD_SEARCHSYNC;
m_searchsync = TRUE;
m_crccalculus = TRUE;
m_status &= ~FLOPPY_STATUS_CHECKSUMOK;
}
if (m_writing && (cmd & FLOPPY_CMD_SKIPSYNC)) // Запись маркера
{
//#if !defined(PRODUCT)
// DebugLog(_T("Floppy MARKER\r\n")); //DEBUG
//#endif
m_writemarker = TRUE;
m_status &= ~FLOPPY_STATUS_CHECKSUMOK;
}
}
