mirror of https://github.com/bsnes-emu/bsnes.git
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
SuperMultitap::SuperMultitap(uint port) : Controller(port) {
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latched = 0;
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counter1 = 0;
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counter2 = 0;
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}
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auto SuperMultitap::data() -> uint2 {
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if(latched) return 2; //device detection
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uint counter, a, b;
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if(iobit()) {
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counter = counter1;
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if(counter >= 16) return 3;
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counter1++;
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if(counter >= 12) return 0;
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a = 0; //controller 2
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b = 1; //controller 3
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} else {
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counter = counter2;
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if(counter >= 16) return 3;
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counter2++;
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if(counter >= 12) return 0;
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a = 2; //controller 4
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b = 3; //controller 5
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}
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auto& A = gamepads[a];
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auto& B = gamepads[b];
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switch(counter) {
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case 0: return A.b << 0 | B.b << 1;
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case 1: return A.y << 0 | B.y << 1;
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case 2: return A.select << 0 | B.select << 1;
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case 3: return A.start << 0 | B.start << 1;
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case 4: return (A.up & !A.down) << 0 | (B.up & !B.down) << 1;
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case 5: return (A.down & !A.up) << 0 | (B.down & !B.up) << 1;
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case 6: return (A.left & !A.right) << 0 | (B.left & !B.right) << 1;
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case 7: return (A.right & !A.left) << 0 | (B.right & !B.left) << 1;
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case 8: return A.a << 0 | B.a << 1;
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case 9: return A.x << 0 | B.x << 1;
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case 10: return A.l << 0 | B.l << 1;
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case 11: return A.r << 0 | B.r << 1;
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}
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unreachable;
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}
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auto SuperMultitap::latch(bool data) -> void {
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if(latched == data) return;
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latched = data;
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counter1 = 0;
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counter2 = 0;
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if(latched == 0) {
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for(uint id : range(4)) {
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auto& gamepad = gamepads[id];
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gamepad.b = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + B);
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gamepad.y = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Y);
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gamepad.select = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Select);
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gamepad.start = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Start);
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gamepad.up = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Up);
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gamepad.down = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Down);
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gamepad.left = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Left);
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gamepad.right = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + Right);
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gamepad.a = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + A);
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gamepad.x = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + X);
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gamepad.l = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + L);
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gamepad.r = platform->inputPoll(port, ID::Device::SuperMultitap, id * 12 + R);
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}
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}
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}
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