void
Datasette::_executeFalling()
{
c64->cia1.triggerFallingEdgeOnFlagPin();
// Schedule next pulse
advanceHead();
uint64_t length = pulseLength();
nextRisingEdge = length / 2;
nextFallingEdge = length;
}
void
Datasette::pressPlay()
{
if (!hasTape())
return;
debug("Datasette::pressPlay\n");
playKey = true;
// Schedule first pulse
uint64_t length = pulseLength();
nextRisingEdge = length / 2;
nextFallingEdge = length;
}
void
Datasette::pressPlay()
{
if (!hasTape())
return;
debug("Datasette::pressPlay\n");
// nextFallingEdge = 0.5 * PAL_CYCLES_PER_SECOND; /* kick off in 0.5 seconds */
// nextRisingEdge = -1;
// Schedule first pulse
uint64_t length = pulseLength();
nextRisingEdge = length / 2;
nextFallingEdge = length;
playKey = true;
// c64->putMessage(MSG_VC1530_PLAY, true);
}
void
Datasette::advanceHead(bool silent)
{
// Return if end of tape is already reached
if (head == size)
return;
// Update head and headInCycles
int length, skip;
length = pulseLength(&skip);
head += skip;
headInCycles += length;
// Send message if the tapeCounter (in seconds) changes
uint32_t newHeadInSeconds = headInCycles / PAL_CYCLES_PER_SECOND;
if (newHeadInSeconds != headInSeconds && !silent)
c64->putMessage(MSG_VC1530_PROGRESS, newHeadInSeconds);
// Update headInSeconds
headInSeconds = newHeadInSeconds;
}
