mirror of https://github.com/bsnes-emu/bsnes.git
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
Gamepad::Gamepad(bool port) : Controller(port) {
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}
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auto Gamepad::data() -> uint3 {
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if(counter >= 8) return 1;
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if(latched == 1) return interface->inputPoll(port, ID::Device::Gamepad, A);
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switch(counter++) {
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case 0: return a;
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case 1: return b;
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case 2: return select;
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case 3: return start;
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case 4: return up && !down;
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case 5: return down && !up;
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case 6: return left && !right;
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case 7: return right && !left;
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}
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unreachable;
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}
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auto Gamepad::latch(bool data) -> void {
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if(latched == data) return;
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latched = data;
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counter = 0;
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if(latched == 0) {
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a = interface->inputPoll(port, ID::Device::Gamepad, A);
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b = interface->inputPoll(port, ID::Device::Gamepad, B);
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select = interface->inputPoll(port, ID::Device::Gamepad, Select);
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start = interface->inputPoll(port, ID::Device::Gamepad, Start);
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up = interface->inputPoll(port, ID::Device::Gamepad, Up);
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down = interface->inputPoll(port, ID::Device::Gamepad, Down);
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left = interface->inputPoll(port, ID::Device::Gamepad, Left);
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right = interface->inputPoll(port, ID::Device::Gamepad, Right);
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}
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}
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