logicsimulator/components/logicxnor.ts

44 lines
1.4 KiB
TypeScript

// Logic exclusive NOR component for the LogicSimulator
// Copyright (C) 2022 Sascha Nitsch
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function LogicXNorInit() {
class LogicXNor extends LogicBase {
constructor(simulator: Simulator, id: string, param: BaseComponentParam) {
super(simulator, id, param);
}
setup(canvas: SVGElement) {
super.doSetup('logicxnor', canvas);
}
update(): boolean {
if (this.startdelay) {
--this.startdelay;
return false;
}
const oldstate = this.q;
this.q = !(this.a !== this.b);
this.getPin('q').setBool(this.q);
return oldstate !== this.q;
}
}
window.LogicXNor = LogicXNor;
}
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function LogicXNorDepends() {
return 'LogicBase';
}