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First batch of pdp11.js code adapted but totally untested

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This commit is contained in:
Jeff Parsons 2016-09-05 11:05:40 -07:00
commit 100779e30a
22 changed files with 2697 additions and 1273 deletions
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modules/pdp11/bin/oct2hex.js Normal file
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/**
* @fileoverview Converts octal constants to hex.
* @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
* @version 1.0
* Created 2016-Sep-04
*
* Copyright © 2012-2016 Jeff Parsons <Jeff@pcjs.org>
*
* This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
*
* PCjs 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.
*
* PCjs 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 PCjs. If not,
* see <http://www.gnu.org/licenses/gpl.html>.
*
* You are required to include the above copyright notice in every source code file of every
* copy or modified version of this work, and to display that copyright notice on every screen
* that loads or runs any version of this software (see COPYRIGHT in /modules/shared/lib/defines.js).
*
* Some PCjs files also attempt to load external resource files, such as character-image files,
* ROM files, and disk image files. Those external resource files are not considered part of PCjs
* for purposes of the GNU General Public License, and the author does not claim any copyright
* as to their contents.
*/
"use strict";
var fs = require("fs");
try {
var sText = fs.readFileSync(process.argv[2], "utf-8");
var asLines = sText.split('\n');
for (var iLine = 0; iLine < asLines.length; iLine++) {
var sLine = asLines[iLine];
var match, re = /([^0-9a-z_-])(0[0-7]+)([^0-9a-z_])/gi;
var iComment = sLine.indexOf("//");
while (match = re.exec(sLine)) {
if (iComment >= 0 && match.index > iComment) break;
var n = parseInt(match[2], 8);
if (n < 0) {
console.log("found negative octal value (" + match[2] + "), skipping");
continue;
}
var sReplace = match[1] + "0x" + n.toString(16).toUpperCase() + match[3] + " /*" + match[2] + "*/";
sLine = sLine.substr(0, match.index) + sReplace + sLine.substr(match.index + match[0].length);
re.lastIndex = match.index + sReplace.length;
asLines[iLine] = sLine;
}
}
sText = "";
for (var iLine = 0; iLine < asLines.length; iLine++) {
if (sText) sText += '\n';
sText += asLines[iLine];
}
console.log(sText);
} catch (err) {
console.log("error: " + err.message);
}