465 lines
10 KiB
C++
465 lines
10 KiB
C++
/*
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epple2
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Copyright (C) 2008 by Christopher A. Mosher <cmosher01@gmail.com>
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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 <http://www.gnu.org/licenses/>.
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*/
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#include "configep2.h"
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#include "memory.h"
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#include "slots.h"
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#include "diskcontroller.h"
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#include "languagecard.h"
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#include "firmwarecard.h"
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#include "standardout.h"
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#include "standardin.h"
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#include "clockcard.h"
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#include "cassettein.h"
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#include "cassetteout.h"
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#include "tinyfiledialogs.h"
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#include <iostream>
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#include <istream>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <stdexcept>
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unsigned char Config::disk_mask(0);
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Config::Config(const std::string& file_path):
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file_path(file_path)
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{
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}
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Config::~Config()
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{
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}
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static void strip_comment(std::string& str)
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{
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const size_t comment = str.find('#');
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if (comment < std::string::npos)
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{
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str.erase(comment);
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}
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}
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static void trim(std::string& str)
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{
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{
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const size_t p = str.find_first_not_of(" \t");
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if (p < std::string::npos)
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{
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str.erase(0,p);
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}
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}
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{
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const size_t p = str.find_last_not_of(" \t");
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if (p+1 < std::string::npos)
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{
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str.erase(p+1);
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}
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}
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}
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void Config::parse(Memory& ram, Memory& rom, Slots& slts, int& revision, ScreenImage& gui, CassetteIn& cassetteIn, CassetteOut& cassetteOut)
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{
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std::ifstream* pConfig;
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std::string path(this->file_path);
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if (!path.empty())
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{
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pConfig = new std::ifstream(path.c_str());
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if (!pConfig->is_open())
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{
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std::stringstream ss;
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ss << "Cannot open config file " << this->file_path.c_str();
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throw std::runtime_error(ss.str());
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}
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}
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if (path.empty())
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{
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/*
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On Windows, the default directory will be
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C:\Program Files\Epple2 if they start the
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program from the Start Menu; therefore
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etc/epple2/epple2.conf would be
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C:\Program Files\epple2\etc\epple2\epple2.conf
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On Linux... the current directory could be
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anything, so this probably won't find it (unless
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the current directory is /).
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*/
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path = "etc/epple2/epple2.conf";
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pConfig = new std::ifstream(path.c_str());
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if (!pConfig->is_open())
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path.clear();
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}
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if (path.empty())
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{
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/*
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This is primarily for Linux. If configured for
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a PREFIX of "/usr/local", then this would be
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/usr/local/etc/epple2/epple2.conf
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*/
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path = ETCDIR "/epple2/epple2.conf";
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pConfig = new std::ifstream(path.c_str());
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if (!pConfig->is_open())
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path.clear();
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}
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if (path.empty())
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{
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/*
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Last effort to find it (most likely will
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only work on Linux).
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*/
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path = "/etc/epple2/epple2.conf";
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pConfig = new std::ifstream(path.c_str());
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if (!pConfig->is_open())
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path.clear();
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}
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if (path.empty())
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{
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std::cerr << "Cannot open config file /etc/epple2/epple2.conf" << std::endl;
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return;
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}
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std::string line;
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std::getline(*pConfig,line);
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while (!pConfig->eof())
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{
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strip_comment(line);
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trim(line);
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if (!line.empty())
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{
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parseLine(line,ram,rom,slts,revision,gui,cassetteIn,cassetteOut);
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}
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std::getline(*pConfig,line);
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}
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pConfig->close();
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delete pConfig;
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// TODO: make sure there is no more than ONE stdin and/or ONE stdout card
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}
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void Config::parseLine(const std::string& line, Memory& ram, Memory& rom, Slots& slts, int& revision, ScreenImage& gui, CassetteIn& cassetteIn, CassetteOut& cassetteOut)
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{
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try
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{
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tryParseLine(line,ram,rom,slts,revision,gui,cassetteIn,cassetteOut);
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}
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catch (const ConfigException& err)
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{
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std::cerr << err.msg.c_str() << std::endl;
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}
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}
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void Config::tryParseLine(const std::string& line, Memory& ram, Memory& rom, Slots& slts, int& revision, ScreenImage& gui, CassetteIn& cassetteIn, CassetteOut& cassetteOut)
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{
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std::istringstream tok(line);
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std::string cmd;
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tok >> cmd;
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if (cmd == "slot")
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{
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int slot;
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std::string sCardType;
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tok >> slot >> sCardType;
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insertCard(sCardType,slot,slts,gui);
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}
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else if (cmd == "import")
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{
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std::string sm;
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tok >> sm;
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int slot(-1);
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if (sm == "slot")
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{
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tok >> slot;
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}
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else if (sm != "motherboard")
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{
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throw ConfigException("error at \""+sm+"\"; expected \"slot #\" or \"motherboard\"");
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}
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std::string romtype;
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tok >> romtype;
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unsigned short base(0);
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tok >> std::hex >> base;
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std::string file;
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std::getline(tok,file);
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trim(file);
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std::ifstream memfile(file.c_str(),std::ios::binary);
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if (!memfile.is_open())
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{
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throw ConfigException("cannot open file "+file);
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}
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if (slot < 0) // motherboard
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{
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if (romtype == "rom")
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{
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rom.load(base,memfile);
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}
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else if (romtype == "ram")
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{
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ram.load(base,memfile);
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}
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else
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{
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throw ConfigException("error at \""+romtype+"\"; expected rom or ram");
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}
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}
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else
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{
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if (8 <= slot)
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{
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throw ConfigException("invalid slot number");
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}
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Card* card = slts.get(slot);
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if (romtype == "rom")
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card->loadRom(base,memfile);
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else if (romtype == "rom7")
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card->loadSeventhRom(base,memfile);
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else if (romtype == "rombank")
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card->loadBankRom(base,memfile);
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else
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throw ConfigException("error at \""+romtype+"\"; expected rom, rom7, or rombank");
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}
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memfile.close();
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}
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else if (cmd == "load" || cmd == "save" || cmd == "unload")
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{
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std::string slotk;
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tok >> slotk;
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if (slotk != "slot")
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{
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throw ConfigException("error at \""+slotk+"\"; expected \"slot\"");
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}
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int slot(-1);
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tok >> slot;
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std::string drivek;
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tok >> drivek;
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if (drivek != "drive")
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{
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throw ConfigException("error at \""+drivek+"\"; expected \"drive\"");
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}
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int drive(-1);
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tok >> drive;
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if (cmd == "load")
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{
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std::string fn_optional;
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std::getline(tok,fn_optional);
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trim(fn_optional);
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if (fn_optional.length() == 0) {
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gui.exitFullScreen();
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char const *ft[1] = { "*.woz" };
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char const *fn = tinyfd_openFileDialog("Load floppy", "", 1, ft, "WOZ 2.0 disk images", 0);
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if (fn) {
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fn_optional = std::string(fn);
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}
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}
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if (fn_optional.length() > 0) {
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loadDisk(slts,slot,drive,fn_optional);
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}
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}
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else if (cmd == "unload")
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{
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unloadDisk(slts,slot,drive);
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}
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else if (cmd == "save")
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{
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saveDisk(slts,slot,drive);
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}
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}
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else if (cmd == "revision")
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{
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tok >> std::hex >> revision;
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}
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else if (cmd == "cassette")
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{
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std::string cas;
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tok >> cas;
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if (cas == "rewind")
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{
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cassetteIn.rewind();
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}
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else if (cas == "tone")
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{
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cassetteIn.tone();
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}
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else if (cas == "blank")
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{
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std::string fcas;
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std::getline(tok,fcas);
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trim(fcas);
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if (!fcas.empty()) {
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cassetteOut.blank(fcas);
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}
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}
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else if (cas == "load")
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{
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std::string fn_optional;
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std::getline(tok,fn_optional);
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trim(fn_optional);
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if (fn_optional.length() == 0) {
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gui.exitFullScreen();
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char const *ft[1] = { "*.wav" };
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char const *fn = tinyfd_openFileDialog("Load cassette audio", "", 1, ft, "WAVE cassette images", 0);
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if (fn) {
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fn_optional = std::string(fn);
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}
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}
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if (fn_optional.length() > 0) {
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cassetteIn.load(fn_optional);
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}
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}
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else if (cas == "eject")
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{
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std::string eject;
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tok >> eject;
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if (eject == "in") {
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cassetteIn.eject();
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} else if (eject == "out") {
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cassetteOut.eject();
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} else {
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throw ConfigException("error: unknown cassette to eject: "+eject);
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}
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}
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else if (cas == "save")
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{
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cassetteOut.save();
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}
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else
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{
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throw ConfigException("error: unknown cassette command: "+cas);
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}
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}
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else
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{
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throw ConfigException("Invalid command: "+cmd);
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}
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}
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void Config::loadDisk(Slots& slts, int slot, int drive, const std::string& fnib)
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{
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if (drive < 1 || 2 < drive)
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{
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throw ConfigException("Invalid drive; must be 1 or 2");
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}
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// TODO if file doesn't exist, name still gets displayed, and there's no error message
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Card* card = slts.get(slot);
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if (!(disk_mask & (1 << slot)))
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{
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std::cerr << "Slot " << slot << " doesn't have a disk controller card" << std::endl;
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return;
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}
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DiskController* controller = (DiskController*)card;
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controller->loadDisk(drive-1,fnib);
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}
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void Config::unloadDisk(Slots& slts, int slot, int drive)
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{
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if (drive < 1 || 2 < drive)
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{
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throw ConfigException("Invalid drive; must be 1 or 2");
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}
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Card* card = slts.get(slot);
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if (!(disk_mask & (1 << slot)))
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{
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std::cerr << "Slot " << slot << " doesn't have a disk controller card" << std::endl;
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return;
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}
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DiskController* controller = (DiskController*)card;
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controller->unloadDisk(drive-1);
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}
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void Config::saveDisk(Slots& slts, int slot, int drive)
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{
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if (drive < 1 || 2 < drive)
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{
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throw ConfigException("Invalid drive; must be 1 or 2");
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}
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slts.get(slot)->save(drive-1);
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}
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void Config::insertCard(const std::string& cardType, int slot, Slots& slts, ScreenImage& gui)
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{
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if (slot < 0 || 8 <= slot)
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{
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throw ConfigException("Invalid slot number");
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}
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Card* card;
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disk_mask &= ~(1 << slot);
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if (cardType == "language")
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{
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card = new LanguageCard(gui,slot);
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}
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else if (cardType == "firmware")
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{
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card = new FirmwareCard(gui,slot);
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}
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else if (cardType == "disk") // 16-sector LSS ROM
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{
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card = new DiskController(gui,slot,false);
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disk_mask |= (1 << slot);
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}
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else if (cardType == "disk13") // 13-sector LSS ROM
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{
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card = new DiskController(gui,slot,true);
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disk_mask |= (1 << slot);
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}
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else if (cardType == "clock")
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{
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card = new ClockCard();
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}
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else if (cardType == "stdout")
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{
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card = new StandardOut();
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}
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else if (cardType == "stdin")
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{
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card = new StandardIn();
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}
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else if (cardType == "empty")
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{
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card = 0;
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}
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else
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{
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throw ConfigException("Invalid card type: "+cardType);
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}
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if (card)
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slts.set(slot,card);
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else
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slts.remove(slot);
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}
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