/*
* Simbler - Where Assembly becomes easy. Interactive and very easy, Simbler is
* a great tool to help students and interested people to learn and simulate
* the basics of Assembly Language.
*
* Copyright (C) 2011 Guilherme de Oliveira Martins
* http://www.gmartins.com.br - guilherme@gmartins.com.br
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package br.com.gmartins.simbler.mnemonics;
import br.com.gmartins.simbler.components.MainPanel;
import br.com.gmartins.simbler.cpu.ALU;
import br.com.gmartins.simbler.helpers.RegexMatcher;
import br.com.gmartins.simbler.instructions.value.Value;
import br.com.gmartins.simbler.mnemonics.helpers.Commands;
import br.com.gmartins.simbler.mnemonics.helpers.MnemonicsMap;
/**
*
* @author Guilherme
*/
public class AND extends Commands {
public AND(MainPanel main) {
super(main);
}
@Override
public void execute() {
final String workingCommand = "AND";
String regex0 = MnemonicsMap.getInstance().getMnemonicsMap().get(workingCommand).getRegexList().get(0).getRegex(true);
String regex1 = MnemonicsMap.getInstance().getMnemonicsMap().get(workingCommand).getRegexList().get(1).getRegex(true);
String regex2 = MnemonicsMap.getInstance().getMnemonicsMap().get(workingCommand).getRegexList().get(2).getRegex(true);
// MATCHES AND @1, AND @100
//REGEX[0] - "AND @[0-9]{1,9}"
// MATCHES AND 400, AND 300
//REGEX[1] - "AND [0-9]{1,9}"
// MATCHES AND AX, AND DX
//REGEX[2] - "AND [ABCD]X"
if (RegexMatcher.matches(regex0, getCurrentInstruction().getLineCommand())) {
// Pega o valor do registrador AX
Value value1 = getRegisters().getAx().getValue();
// Pega o valor do comando na posição definida pelo numero após o @
Value value2 = getInstructionAt(getCurrentInstruction().getValue()).getValue();
// Faz o "AND" e define em AX
getRegisters().getAx().setValue(ALU.and(value1, value2));
} else if (RegexMatcher.matches(regex1, getCurrentInstruction().getLineCommand())) {
// Pega o valor do registrador AX
Value value1 = getRegisters().getAx().getValue();
// Pega o valor da instrução atual
Value value2 = getCurrentInstruction().getValue();
// Faz o "AND" e define em AX
getRegisters().getAx().setValue(ALU.and(value1, value2));
} else if (RegexMatcher.matches(regex2, getCurrentInstruction().getLineCommand())) {
// Pega o valor do registrador AX
Value value1 = getRegisters().getAx().getValue();
// Pega o valor do registrador da instrução
Value value2 = getCurrentInstruction().getRegister().getValue();
// Faz o "AND" e define em AX
getRegisters().getAx().setValue(ALU.and(value1, value2));
}
}
}