emulib.emustudio.debugtable.AddressColumn Maven / Gradle / Ivy

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/*
 * KISS, YAGNI, DRY
 *
 * (c) Copyright 2006-2017, Peter Jakubčo
 *
 *  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 2
 *  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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package emulib.emustudio.debugtable;

import emulib.plugins.cpu.AbstractDebugColumn;

import java.util.Objects;

/**
 * Address column for debug table.
 */
public class AddressColumn extends AbstractDebugColumn {
    private final String addressFormat;

    public AddressColumn() {
        this("%04X");
    }

    public AddressColumn(String addressFormat) {
        super("address", String.class, false);
        this.addressFormat = Objects.requireNonNull(addressFormat);
    }

    /**
     * Not used here.
     *
     * @param location memory address (not row in debug table)
     * @param value  new value of the cell
     */
    @Override
    public void setDebugValue(int location, Object value) {
    }

    /**
     * Return formatted address into hexadecimal digit, aligned to 4 digits.
     *
     * @param location  memory address (not row in debug table)
     * @return String value with formatted address
     */
    @Override
    public Object getDebugValue(int location) {
        return String.format(addressFormat, location);
    }

    @Override
    public int getDefaultWidth() {
        return -1;
    }

}