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#ifdef CONTROLLER_CPP
uint2 Multitap::data() {
if(latched) return 2; //multitap detection
unsigned index, port1, port2;
if(iobit()) {
index = counter1;
if(index >= 16) return 3;
counter1++;
if(index >= 12) return 0;
port1 = 0; //controller 1
port2 = 1; //controller 2
} else {
index = counter2;
if(index >= 16) return 3;
counter2++;
if(index >= 12) return 0;
port1 = 2; //controller 3
port2 = 3; //controller 4
}
bool data1 = interface->inputPoll(port, (unsigned)Input::Device::Multitap, port1 * 12 + index);
bool data2 = interface->inputPoll(port, (unsigned)Input::Device::Multitap, port2 * 12 + index);
return (data2 << 1) | (data1 << 0);
}
void Multitap::latch(bool data) {
if(latched == data) return;
latched = data;
counter1 = 0;
counter2 = 0;
}
Multitap::Multitap(bool port) : Controller(port) {
latched = 0;
counter1 = 0;
counter2 = 0;
}
#endif
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