IncrementalCommand(
const boost::posix_time::time_duration& initialDuration,
const boost::posix_time::time_duration& incrementalDuration,
const boost::function<bool()>& execute)
: ScheduledCommand(execute), incrementalDuration_(incrementalDuration)
{
executeUntil(now() + initialDuration);
}
void
SIDWrapper::poke(uint16_t addr, uint8_t value)
{
// Get SID up to date
executeUntil(c64->getCycles());
latchedDataBus = value;
oldsid->poke(addr, value);
resid->poke(addr, value);
}
// runs the emulator
void interpret(References* r, CPUStatus* cpu, int* interpretStatus)
{
word_t limit = calculateExecuteLimit(r);
int executeStatus = EXECUTE_OK;
executeUntil(cpu, limit, &executeStatus);
*interpretStatus = executeStatus;
}
uint8_t
SIDWrapper::peek(uint16_t addr)
{
// Get SID up to date
executeUntil(c64->getCycles());
// Take care of possible side effects, but discard value
if (useReSID)
(void)resid->peek(addr);
else
(void)oldsid->peek(addr);
if (addr == 0x19 || addr == 0x1A) {
latchedDataBus = 0;
return 0xFF;
}
if (addr == 0x1B || addr == 0x1C) {
latchedDataBus = 0;
return rand();
}
return latchedDataBus;
}
virtual void execute()
{
executeUntil(now() + incrementalDuration_);
}
