71 lines
3.0 KiB
TypeScript
71 lines
3.0 KiB
TypeScript
// 74xx283 emulation component for the LogicSimulator
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// Copyright (C) 2022 Sascha Nitsch
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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function IC74xx283Init() {
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class IC74xx283 extends DILBase {
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constructor(simulator: Simulator, id: string, param: BaseComponentParam) {
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super(simulator, id, 16, param);
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}
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setup(canvas: SVGElement) {
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super.DILBASEsetup('ic16', canvas, '74xx283');
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}
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update(): boolean {
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if (this.startdelay) {
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--this.startdelay;
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return false;
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}
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if (this.binary(this.getStateWire('p16'), true) !== true || this.binary(this.getStateWire('p8'), true) !== false)
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return false; // no power
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let mod = false;
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let state;
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state =
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this.asint(this.binary(this.getStateWire('p5'), true), 1) +
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this.asint(this.binary(this.getStateWire('p6'), true), 1) +
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this.asint(this.binary(this.getStateWire('p7'), true), 1);
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mod ||= this.asint(this.binary(this.getStateWire('p4'), true), 1) !== (state & 1);
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this.getPin('p4').setBool((state & 1) === 1);
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state =
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this.asint(this.binary(this.getStateWire('p3'), true), 1) +
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this.asint(this.binary(this.getStateWire('p2'), true), 1) +
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(state > 1 ? 1 : 0);
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mod ||= this.asint(this.binary(this.getStateWire('p1'), true), 1) !== (state & 1);
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this.getPin('p1').setBool((state & 1) === 1);
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state =
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this.asint(this.binary(this.getStateWire('p14'), true), 1) +
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this.asint(this.binary(this.getStateWire('p15'), true), 1) +
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(state > 1 ? 1 : 0);
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mod ||= this.asint(this.binary(this.getStateWire('p13'), true), 1) !== (state & 1);
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this.getPin('p13').setBool((state & 1) === 1);
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state =
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this.asint(this.binary(this.getStateWire('p12'), true), 1) +
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this.asint(this.binary(this.getStateWire('p11'), true), 1) +
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(state > 1 ? 1 : 0);
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mod ||= this.asint(this.binary(this.getStateWire('p10'), true), 1) !== (state & 1);
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this.getPin('p10').setBool((state & 1) === 1);
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mod ||= this.asint(this.binary(this.getStateWire('p9'), true), 2) !== (state & 2);
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this.getPin('p9').setBool((state & 2) === 2);
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return mod;
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}
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}
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window.IC74xx283 = IC74xx283;
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}
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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function IC74xx283Depends() {
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return 'dilbase';
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}
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