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Groundwork for a PDP-11 emulator (starting with a gutted copy of PC8080)

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This commit is contained in:
Jeff Parsons 2016-09-03 17:43:06 -07:00
commit 4b778b281d
80 changed files with 24230 additions and 427 deletions
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modules/pdp11/lib/nodebugger.js Normal file
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/**
* @fileoverview Compile-time definitions for Debugger-less configurations.
* @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
* @version 1.0
* Created 2016-Sep-03
*
* This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
*
* It has been adapted from the JavaScript PDP 11/70 Emulator v1.3 written by Paul Nankervis
* (paulnank@hotmail.com) as of August 2016 from http://skn.noip.me/pdp11/pdp11.html. This code
* may be used freely provided the original author name is acknowledged in any modified source code.
*
* 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";
/*
* WARNING: DEBUGGER needs to accurately reflect whether or not the Debugger component is (or will be) loaded.
* In the compiled case, we rely on the Closure Compiler to override DEBUGGER as appropriate. When it's *false*,
* nearly all of debugger.js will be conditionally removed by the compiler, reducing it to little more than a
* "type skeleton", which also solves some type-related warnings we would otherwise have if we tried to remove
* debugger.js from the compilation process altogether.
*
* However, when we're in "development mode" and running uncompiled code in debugger-less configurations,
* I would still like to skip loading debugger.js altogether. To do that, we must arrange for this additional file,
* nodebugger.js, to be loaded immediately after defines.js, *explicitly* overriding the previously defined value
* of DEBUGGER with *false*.
*/
DEBUGGER = false;