159 lines
4 KiB
JavaScript
159 lines
4 KiB
JavaScript
#!/usr/bin/env node
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/**
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* @fileoverview Test the Int36 class
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* @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
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* @copyright © Jeff Parsons 2012-2017
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* @suppress {missingProperties}
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*
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* This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
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*
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* PCjs is free software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation, either version 3
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* of the License, or (at your option) any later version.
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*
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* PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCjs. If not,
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* see <http://www.gnu.org/licenses/gpl.html>.
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*
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* You are required to include the above copyright notice in every modified copy of this work
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* and to display that copyright notice when the software starts running; see COPYRIGHT in
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* <http://pcjs.org/modules/shared/lib/defines.js>.
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*
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* Some PCjs files also attempt to load external resource files, such as character-image files,
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* ROM files, and disk image files. Those external resource files are not considered part of PCjs
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* for purposes of the GNU General Public License, and the author does not claim any copyright
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* as to their contents.
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*/
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"use strict";
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var repl = require("repl");
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var Defines = require("../lib/defines");
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var Int36 = require("../lib/int36");
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var i36Reg = new Int36();
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/**
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* dumpInt36(i36)
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*
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* @param {Int36} i36
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* @return {string}
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*/
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function dumpInt36(i36)
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{
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return i36.toString() + " [" + i36.toString(8, true) + "]";
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}
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/**
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* test(sCmd, fREPL)
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*
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* @param {string} sCmd
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* @param {boolean} [fREPL]
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* @return {*}
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*/
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function test(sCmd, fREPL)
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{
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var aTokens = sCmd.split(' ');
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var sOp = aTokens[0];
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var sNum1 = aTokens[1] && aTokens[1].replace(/,/g, '');
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var sNum2 = aTokens[2];
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if (!sNum2) {
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sNum2 = sNum1;
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sNum1 = undefined;
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}
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var i36Op = new Int36(+sNum2, +sNum1);
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if (sNum2 != null) console.log(sOp + " " + dumpInt36(i36Op));
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switch(sOp) {
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case "set":
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i36Reg = new Int36(i36Op);
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break;
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case "add":
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i36Reg.add(i36Op);
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break;
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case "sub":
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i36Reg.sub(i36Op);
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break;
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case "mul":
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i36Reg.mul(i36Op);
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break;
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case "div":
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i36Reg.div(i36Op);
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break;
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default:
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console.log("unrecognized command: " + sCmd);
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return false;
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}
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console.log(" = " + dumpInt36(i36Reg));
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return true;
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}
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/**
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* onCommand(cmd, context, filename, callback)
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*
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* @param {string} cmd
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* @param {Object} context
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* @param {string} filename
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* @param {function(Object|null, Object)} callback
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*/
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var onCommand = function (cmd, context, filename, callback)
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{
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var result = false;
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var match = cmd.match(/^\(?\s*([\S\s]*?)\s*\)?$/);
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if (match && match[1]) result = test(match[1], true);
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callback(null, result);
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};
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test("set -34,359,738,368");
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test("sub 1");
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test("add 1");
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test("add 0");
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for (let i = 0; i <= 12; i++) {
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test("set 34,000,000,000");
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test("mul " + Math.pow(8, i));
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}
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for (let i = 0; i <= 12; i++) {
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test("set -34,000,000,000");
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test("mul " + Math.pow(8, i));
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}
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test("set 100");
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test("div 3");
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test("set 4001");
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test("div -5");
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test("set 0o037777777777 0o777777777777");
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test("set 0o047777777777 0o777777777777");
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test("set 0o057777777777 0o777777777777");
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test("set 0o067777777777 0o777777777777");
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test("set 0o077777777777 0o777777777777");
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test("set 0o177777777777 0o777777777777");
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test("set 0o277777777777 0o777777777777");
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test("set 0o377777777777 0o777777777777");
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test("set 0o477777777777 0o777777777777");
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test("set 0o577777777777 0o777777777777");
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test("set 0o677777777777 0o777777777777");
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test("set 0o777777777777 0o777777777777");
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repl.start({
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prompt: "int36> ",
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input: process.stdin,
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output: process.stdout,
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eval: onCommand
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});
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