Merge pull request #57 from bdunahu/bdunahu

Initialize all pipe objects at once, thread safety,

50 files changed, 2827 insertions, 1065 deletions

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f288702
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 0d73527..2c48beb 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -21,7 +21,7 @@ file(GLOB SRCS
 qt_add_resources(GUI_RESOURCES "resources.qrc")
 
 add_executable(risc_vector ${SRCS} ${GUI_RESOURCES})
-target_include_directories(${PROJECT_NAME} PRIVATE ${PROJECT_SOURCE_DIR}/inc)
+target_include_directories(${PROJECT_NAME} PRIVATE ${PROJECT_SOURCE_DIR}/inc ${PROJECT_SOURCE_DIR}/gui)
 target_link_libraries(${PROJECT_NAME} PRIVATE ${PROJECT_NAME}_lib ram_lib  Qt6::Widgets)
 
 set_target_properties(risc_vector PROPERTIES
diff --git a/gui/digitlabel.cc b/gui/digitlabel.cc
new file mode 100644
index 0000000..8314943
--- /dev/null
+++ b/gui/digitlabel.cc
@@ -0,0 +1,52 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
+#include "digitlabel.h"
+#include "gui.h"
+
+DigitLabel::DigitLabel(QWidget *parent) : QLabel(parent) { setText(QString()); }
+
+void DigitLabel::clear()
+{
+	this->is_cleared = true;
+	setText(QString());
+}
+
+void DigitLabel::set_value(int v)
+{
+	this->is_cleared = false;
+	this->v = v;
+	update_display();
+}
+
+void DigitLabel::on_hex_toggle(bool is_hex)
+{
+	this->is_hex = is_hex;
+	update_display();
+}
+
+void DigitLabel::update_display()
+{
+	QString t;
+	if (this->is_cleared) {
+		setText(QString());
+	} else {
+		t = (this->is_hex) ? QString::number(this->v, 16).toUpper()
+						   : QString::number(this->v);
+		setText(t);
+	}
+}
diff --git a/gui/digitlabel.h b/gui/digitlabel.h
new file mode 100644
index 0000000..68b01cb
--- /dev/null
+++ b/gui/digitlabel.h
@@ -0,0 +1,69 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
+#ifndef DIGITLABEL_H
+#define DIGITLABEL_H
+
+#include <QLabel>
+
+class DigitLabel : public QLabel
+{
+	Q_OBJECT
+
+  public:
+	/**
+	 * Constructor.
+	 * @return a newly allocated DigitLabel.
+	 */
+	explicit DigitLabel(QWidget *parent);
+
+	/**
+	 * Sets the empty flag.
+	 */
+	void clear();
+	/**
+	 * @param the value to set `this->v' with.
+	 */
+	void set_value(int v);
+
+  public slots:
+	/**
+	 * Toggles the base this label displays in, by setting `this->is_hex'.
+	 */
+	void on_hex_toggle(bool is_hex);
+
+  private:
+	/**
+	 * Refreshes the display of this label, taking base into consideration..
+	 */
+	void update_display();
+
+	/**
+	 * The decimal value associated with this label.
+	 */
+	int v;
+	/**
+	 * If this digit should display in hexidecinmal.
+	 */
+	int is_hex;
+	/**
+	 * If this digit should not display.
+	 */
+	bool is_cleared = true;
+};
+
+#endif // DIGITLABEL_H
diff --git a/gui/dynamicwaysentry.cc b/gui/dynamicwaysentry.cc
new file mode 100644
index 0000000..e1f740e
--- /dev/null
+++ b/gui/dynamicwaysentry.cc
@@ -0,0 +1,99 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
+#include "dynamicwaysentry.h"
+#include <QLabel>
+#include <QLineEdit>
+#include <QStringList>
+#include <QVBoxLayout>
+#include <QVector>
+#include <QWidget>
+
+DynamicWaysEntry::DynamicWaysEntry(QWidget *parent) : QWidget(parent)
+{
+	this->l = new QVBoxLayout(this);
+	this->l->setAlignment(Qt::AlignTop);
+	this->l->setSpacing(6);
+	this->l->setContentsMargins(0, 0, 0, 0);
+	this->setLayout(l);
+	this->add_field();
+}
+
+QStringList DynamicWaysEntry::get_entries() const { return this->entries; }
+
+int DynamicWaysEntry::parse_valid_way(QString t)
+{
+	bool s;
+	int i;
+	i = t.toInt(&s);
+	return (s && i >= 0 && 5 > i) ? i : -1;
+}
+
+// TODO if you enter something valid and then make it invalid,
+// the next box still shows
+void DynamicWaysEntry::on_number_enter(const QString &t)
+{
+	int i;
+	QLineEdit *sender_field;
+
+	sender_field = qobject_cast<QLineEdit *>(sender());
+	i = fields.indexOf(sender_field);
+	entries[i] = t;
+
+	if (i == this->fields.size() - 1 && !t.isEmpty() &&
+		(this->parse_valid_way(t) > 0) && fields.size() < 4)
+		add_field();
+
+	// TODO, unlink, don't trash everything after
+	if (t.isEmpty()) {
+		while (this->fields.size() > i + 1) {
+			remove_last_field();
+		}
+		while (entries.size() > fields.size()) {
+			entries.removeLast();
+		}
+	}
+}
+
+void DynamicWaysEntry::add_field()
+{
+	QLineEdit *f;
+
+	f = new QLineEdit(this);
+	f->setPlaceholderText("# ways (a power of 2)");
+
+	this->l->addWidget(f);;
+	this->fields.append(f);
+	this->entries.append(QString());
+	connect(
+		f, &QLineEdit::textChanged, this, &DynamicWaysEntry::on_number_enter);
+}
+
+void DynamicWaysEntry::remove_last_field()
+{
+	QLineEdit *f;
+
+	if (this->fields.isEmpty())
+		return;
+
+	f = this->fields.takeLast();
+	this->l->removeWidget(f);
+	f->deleteLater();
+
+	if (!this->entries.isEmpty())
+		entries.removeLast();
+}
diff --git a/gui/dynamicwaysentry.h b/gui/dynamicwaysentry.h
new file mode 100644
index 0000000..26b8b3e
--- /dev/null
+++ b/gui/dynamicwaysentry.h
@@ -0,0 +1,51 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
+#ifndef DYNAMICWAYSENTRY_H
+#define DYNAMICWAYSENTRY_H
+
+
+#include <QLineEdit>
+#include <QStringList>
+#include <QVBoxLayout>
+#include <QVector>
+#include <QWidget>
+
+class DynamicWaysEntry : public QWidget
+{
+  public:
+	DynamicWaysEntry(QWidget *parent = nullptr);
+	QStringList get_entries() const;
+	/**
+	 * Parses a string from this entry field, if it is valid.
+	 * @param a string
+	 * @param -1 if the string is not suitable as a way, an integer compatible
+	 * with the cache constructor otherwise.
+	 */
+	int parse_valid_way(QString t);
+  private slots:
+	void on_number_enter(const QString &t);
+
+  private:
+	QVBoxLayout *l;
+	QVector<QLineEdit *> fields;
+	QStringList entries;
+	void add_field();
+	void remove_last_field();
+};
+
+#endif // DYNAMICWAYSENTRY_H
diff --git a/gui/gui.cc b/gui/gui.cc
index b7f3d8a..294a7d0 100644
--- a/gui/gui.cc
+++ b/gui/gui.cc
@@ -1,361 +1,395 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "gui.h"
 #include "./ui_gui.h"
-// #include "byteswap.h"
+#include "dynamicwaysentry.h"
+#include "messages.h"
+#include <QPixmap>
+#include <QString>
 
-GUI::GUI(QWidget *parent)
-    : QMainWindow(parent)
-    , ui(new Ui::GUI)
+GUI::GUI(QWidget *parent) : QMainWindow(parent), ui(new Ui::GUI)
 {
-    ui->setupUi(this);
-
-    ui->enabl_cache_checkbox->setChecked(true);
-    ui->enable_pipeline_checkbox->setChecked(true);
+	ui->setupUi(this);
 
-    worker = new Worker();
-    worker->moveToThread(&workerThread);
+	/* setup the status bar */
+	ui->statusBar->setFixedHeight(20);
 
-    // Connect worker thread lifecycle
-    connect(&workerThread, &QThread::started, worker, &Worker::doWork);
+	this->avatar = new QLabel(this);
+	this->status_label = new QLabel("", this);
+	QLabel *risc_vector =
+		new QLabel("RISC V[ECTOR], CS535 UMASS AMHERST", this);
 
-    // Display clock cycles and PC
-    connect(worker, &Worker::clock_cycles, this, &GUI::onWorkerClockCycles);
+	avatar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+	avatar->setObjectName("avatar_label");
+	status_label->setObjectName("msg_label");
+	risc_vector->setObjectName("info_label");
+	ui->statusBar->setSizeGripEnabled(false);
 
-    connect(worker, &Worker::if_info, this, &GUI::onWorkerFetchInfo);
+	this->set_status(get_waiting, "idle.png");
+	ui->statusBar->addWidget(avatar);
+	ui->statusBar->addWidget(status_label);
+	ui->statusBar->addPermanentWidget(risc_vector);
 
-    connect(worker, &Worker::id_info, this, &GUI::onWorkerDecodeInfo);
+	worker = new Worker();
+	worker->moveToThread(&workerThread);
 
-    connect(worker, &Worker::ex_info, this, &GUI::onWorkerExecuteInfo);
+	// find all the labels
+	QList<DigitLabel*> labels = this->findChildren<DigitLabel*>();
+	for (DigitLabel* label : labels) {
+		connect(this, &GUI::hex_toggled, label, &DigitLabel::on_hex_toggle);
+	}
+	emit this->hex_toggled(this->is_hex);
 
-    connect(worker, &Worker::mm_info, this, &GUI::onWorkerMemoryInfo);
+	// display clock cycles and PC
+	connect(worker, &Worker::clock_cycles, this, &GUI::on_worker_refresh_gui);
 
-    connect(worker, &Worker::wb_info, this, &GUI::onWorkerWriteBackInfo);
+	connect(worker, &Worker::if_info, this, &GUI::onWorkerFetchInfo);
 
-    // Display dram
-    connect(worker, &Worker::dram_storage, this, &GUI::onWorkerShowDram);
+	connect(worker, &Worker::id_info, this, &GUI::onWorkerDecodeInfo);
 
-    // Display cache
-    connect(worker, &Worker::cache_storage, this, &GUI::onWorkerShowCache);
+	connect(worker, &Worker::ex_info, this, &GUI::onWorkerExecuteInfo);
 
-    // Display registers
-    connect(worker, &Worker::register_storage, this, &GUI::onWorkerShowRegisters);
+	connect(worker, &Worker::mm_info, this, &GUI::onWorkerMemoryInfo);
 
-    // Refresh DRAM from worker thread
-    connect(this, &GUI::sendRefreshDram, worker, &Worker::refreshDram, Qt::QueuedConnection);
+	connect(worker, &Worker::wb_info, this, &GUI::onWorkerWriteBackInfo);
 
-    // Load program from worker thread
-    connect(this, &GUI::sendLoadProgram, worker, &Worker::loadProgram, Qt::QueuedConnection);
+	// Display dram
+	connect(worker, &Worker::dram_storage, this, &GUI::onWorkerShowDram);
 
-    // Configure pipeline
-    connect(this, &GUI::sendConfigure, worker, &Worker::configure, Qt::QueuedConnection);
+	// Display cache
+	connect(worker, &Worker::cache_storage, this, &GUI::onWorkerShowCache);
 
-    // Refresh Cache from worker thread
-    connect(this, &GUI::sendRefreshCache, worker, &Worker::refreshCache, Qt::QueuedConnection);
+	// Display registers
+	connect(
+		worker, &Worker::register_storage, this, &GUI::onWorkerShowRegisters);
 
-    // Refresh Registers from worker thread
-    connect(this, &GUI::sendRefreshRegisters, worker, &Worker::refreshRegisters, Qt::QueuedConnection);
+	// Configure pipeline
+	connect(
+		this, &GUI::sendConfigure, worker, &Worker::configure,
+		Qt::QueuedConnection);
 
-    // Advance controller by #steps
-    connect(this, &GUI::sendRunSteps, worker, &Worker::runSteps, Qt::QueuedConnection);
+	// Advance controller by some steps
+	connect(
+		this, &GUI::sendRunSteps, worker, &Worker::runSteps,
+		Qt::QueuedConnection);
 
-    // Advance controller by 1 step
-    connect(this, &GUI::sendRunStep, worker, &Worker::runStep, Qt::QueuedConnection);
+	// Update the step button with step amount
+	connect(ui->step_slider, &QSlider::valueChanged, this, [=](int index) {
+		int value = step_values[index];
+		ui->step_btn->setText(QString("Step %1").arg(value));
+	});
 
-    // Proper cleanup when worker finishes
-    connect(worker, &Worker::finished, this, &GUI::onWorkerFinished);
-    connect(worker, &Worker::finished, &workerThread, &QThread::quit);
-    connect(&workerThread, &QThread::finished, worker, &QObject::deleteLater);
+	// Proper cleanup when worker finishes
+	connect(worker, &Worker::finished, this, &GUI::onWorkerFinished);
+	connect(worker, &Worker::finished, &workerThread, &QThread::quit);
+	connect(&workerThread, &QThread::finished, worker, &QObject::deleteLater);
 
-    workerThread.start(); // Start the worker thread
+	workerThread.start(); // Start the worker thread
 }
 
 GUI::~GUI()
 {
-    workerThread.quit();
-    workerThread.wait();  // Ensure proper cleanup
-    delete ui;
+	workerThread.quit();
+	workerThread.wait(); // Ensure proper cleanup
+	delete ui;
 }
 
-void displayArrayHTML(QTextEdit *textEdit, const std::array<int, GPR_NUM> &data) {
-    textEdit->setReadOnly(false);
-    QString tableText = "<table border='1' cellspacing='0' cellpadding='8' style='border-collapse: collapse; width: 100%; border: 2px solid black;'>";
-
-    tableText += "<tr>";
-    int index = 0;
-    for (int value : data) {
-        tableText += QString("<td align='center' style='border: 2px solid black; min-width: 60px; padding: 10px;'>"
-                             "%1 <sup style='font-size: 10px; font-weight: bold; color: black;'>%2</sup>"
-                             "</td>")
-                     .arg(QString::asprintf("%04X", value))
-                     .arg(index);
-        index++;
-    }
-    tableText += "</tr>";
-    tableText += "</table>";
-
-    textEdit->setHtml(tableText);
-    textEdit->setReadOnly(true);
-}
-
-void displayTableHTML(QTextEdit *textEdit, const std::vector<std::array<signed int, LINE_SIZE>> &data) {
-    textEdit->setReadOnly(false);
-    QString tableText = "<table border='1' cellspacing='0' cellpadding='8' style='border-collapse: collapse; width: 100%; border: 2px solid black;'>";
-
-    int index = 0;
-    for (const auto &row : data) {
-        tableText += "<tr>";
-        for (signed int value : row) {
-            tableText += QString("<td align='center' style='border: 2px solid black; min-width: 60px; padding: 10px;'>"
-                                 "%1 <sup style='font-size: 10px; font-weight: bold; color: black;'>%2</sup>"
-                                 "</td>")
-                         .arg(QString::asprintf("%04X", value))
-                         .arg(index);
-            index++;
-        }
-        tableText += "</tr>";
-    }
-
-    tableText += "</table>";
-
-    textEdit->setHtml(tableText);
-    textEdit->setReadOnly(true);
+void displayArrayHTML(QTextEdit *textEdit, const std::array<int, GPR_NUM> &data)
+{
+	textEdit->setReadOnly(false);
+	QString tableText = "<table border='1' cellspacing='0' cellpadding='8' "
+						"style='border-collapse: collapse; width: 100%; "
+						"border: 2px solid black;'>";
+
+	tableText += "<tr>";
+	int index = 0;
+	for (int value : data) {
+		tableText += QString("<td align='center' style='border: 2px solid "
+							 "black; min-width: 60px; padding: 10px;'>"
+							 "%1 <sup style='font-size: 10px; font-weight: "
+							 "bold; color: black;'>%2</sup>"
+							 "</td>")
+						 .arg(QString::asprintf("%04X", value))
+						 .arg(index);
+		index++;
+	}
+	tableText += "</tr>";
+	tableText += "</table>";
+
+	textEdit->setHtml(tableText);
+	textEdit->setReadOnly(true);
 }
 
-std::vector<signed int> browseAndRetrieveFile(QWidget* parent) {
-    QString filePath = QFileDialog::getOpenFileName(parent, "Open Binary File", QDir::homePath(), "Binary Files (*.bin *.rv);;All Files (*.*)");
-    std::vector<signed int> program;
-
-
-    if (filePath.isEmpty()) return program;
-
-    QFile file(filePath);
-    if (!file.open(QIODevice::ReadOnly)) {
-        QMessageBox::critical(parent, "File Upload", "Unable to open file!");
-        return program;
-    }
-
-    while (!file.atEnd()) {
-        char bytes[4];
-        if (file.read(bytes, 4) == 4) {
-            uint32_t word =
-                (static_cast<uint8_t>(bytes[0]) << 24) |
-                (static_cast<uint8_t>(bytes[1]) << 16) |
-                (static_cast<uint8_t>(bytes[2]) << 8)  |
-                (static_cast<uint8_t>(bytes[3]));
-
-            program.push_back(static_cast<signed int>(word));
-        }
-    }
-
-    file.close();
-    return program;
+void displayTableHTML(
+	QTextEdit *textEdit,
+	const std::vector<std::array<signed int, LINE_SIZE>> &data)
+{
+	textEdit->setReadOnly(false);
+	QString tableText = "<table border='1' cellspacing='0' cellpadding='8' "
+						"style='border-collapse: collapse; width: 100%; "
+						"border: 2px solid black;'>";
+
+	int index = 0;
+	for (const auto &row : data) {
+		tableText += "<tr>";
+		for (signed int value : row) {
+			tableText += QString("<td align='center' style='border: 2px solid "
+								 "black; min-width: 60px; padding: 10px;'>"
+								 "%1 <sup style='font-size: 10px; font-weight: "
+								 "bold; color: black;'>%2</sup>"
+								 "</td>")
+							 .arg(QString::asprintf("%04X", value))
+							 .arg(index);
+			index++;
+		}
+		tableText += "</tr>";
+	}
+
+	tableText += "</table>";
+
+	textEdit->setHtml(tableText);
+	textEdit->setReadOnly(true);
 }
 
-void GUI::onWorkerClockCycles(int cycles, int pc) {
-    QFont font = ui->cycles_label->font();
-    font.setBold(true);
-    font.setItalic(true);
-    font.setPointSize(14);
-    ui->cycles_label->setFont(font);
-    ui->cycles_label->setText("Clock Cycles: " + QString::number(cycles) + "\t\t" + "PC: " + QString::number(pc));
+void GUI::on_worker_refresh_gui(int cycles, int pc)
+{
+	ui->p_counter->set_value(pc);
+	ui->cycle_counter->set_value(cycles);
 }
 
-void GUI::onWorkerFetchInfo(const std::vector<int> info) {
-    //QString::asprintf("%04X", value)
-    if(!info.empty()) {
-        ui->fetch_pc->setText(QString::number(info[0]));
-        ui->fetch_instruction_bits->setText(QString::asprintf("%04X", info[1]));
-    } else {
-        ui->fetch_pc->clear();
-        ui->fetch_instruction_bits->clear();
-    }
+void GUI::onWorkerFetchInfo(const std::vector<int> info)
+{
+	if (!info.empty()) {
+		ui->fetch_squashed->setText(QString::number(info[0]));
+		ui->fetch_bits->set_value(info[1]);
+	} else {
+		ui->fetch_squashed->clear();
+		ui->fetch_bits->clear();
+	}
 }
 
-void GUI::onWorkerDecodeInfo(const std::vector<int> info) {
-    if(!info.empty()) {
-        // ui->decode_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
-        ui->decode_pc->setText(QString::number(info[0]));
-        ui->decode_s1->setText(QString::asprintf("%04X", info[1]));
-        // ui->decode_s2->setText(QString::asprintf("%04X", info[3]));
-        // ui->decode_s3->setText(QString::asprintf("%04X", info[4]));
-    } else {
-        // ui->decode_mnemonic->clear();
-        ui->decode_pc->clear();
-        ui->decode_s1->clear();
-        // ui->decode_s2->clear();
-        // ui->decode_s3->clear();
-    }
+void GUI::onWorkerDecodeInfo(const std::vector<int> info)
+{
+	if (!info.empty()) {
+		ui->decode_squashed->setText(QString::number(info[0]));
+		ui->decode_bits->set_value(info[1]);
+	} else {
+		ui->decode_squashed->clear();
+		ui->decode_bits->clear();
+	}
 }
 
-void GUI::onWorkerExecuteInfo(const std::vector<int> info) {
-    if(!info.empty()) {
-        ui->execute_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
-        ui->execute_pc->setText(QString::number(info[1]));
-        ui->execute_s1->setText(QString::asprintf("%04X", info[2]));
-        ui->execute_s2->setText(QString::asprintf("%04X", info[3]));
-        ui->execute_s3->setText(QString::asprintf("%04X", info[4]));
-    } else {
-        ui->execute_mnemonic->clear();
-        ui->execute_pc->clear();
-        ui->execute_s1->clear();
-        ui->execute_s2->clear();
-        ui->execute_s3->clear();
-    }
+void GUI::onWorkerExecuteInfo(const std::vector<int> info)
+{
+	if (!info.empty()) {
+		ui->execute_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
+		ui->execute_squashed->setText(QString::number(info[1]));
+		ui->execute_s1->set_value(info[2]);
+		ui->execute_s2->set_value(info[3]);
+		ui->execute_s3->set_value(info[4]);
+	} else {
+		ui->execute_mnemonic->clear();
+		ui->execute_squashed->clear();
+		ui->execute_s1->clear();
+		ui->execute_s2->clear();
+		ui->execute_s3->clear();
+	}
 }
 
-void GUI::onWorkerMemoryInfo(const std::vector<int> info) {
-    if(!info.empty()) {
-        ui->memory_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
-        ui->memory_pc->setText(QString::number(info[1]));
-        ui->memory_s1->setText(QString::asprintf("%04X", info[2]));
-        ui->memory_s2->setText(QString::asprintf("%04X", info[3]));
-        ui->memory_s3->setText(QString::asprintf("%04X", info[4]));
-    } else {
-        ui->memory_mnemonic->clear();
-        ui->memory_pc->clear();
-        ui->memory_s1->clear();
-        ui->memory_s2->clear();
-        ui->memory_s3->clear();
-    }
+void GUI::onWorkerMemoryInfo(const std::vector<int> info)
+{
+	if (!info.empty()) {
+		std::cout << "this " << info[3] << std::endl;
+		ui->memory_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
+		ui->memory_squashed->setText(QString::number(info[1]));
+		ui->memory_s1->set_value(info[2]);
+		ui->memory_s2->set_value(info[3]);
+		ui->memory_s3->set_value(info[4]);
+	} else {
+		ui->memory_mnemonic->clear();
+		ui->memory_squashed->clear();
+		ui->memory_s1->clear();
+		ui->memory_s2->clear();
+		ui->memory_s3->clear();
+	}
 }
 
-void GUI::onWorkerWriteBackInfo(const std::vector<int> info) {
-    if(!info.empty()) {
-        ui->wb_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
-        ui->wb_pc->setText(QString::number(info[1]));
-        ui->wb_s1->setText(QString::asprintf("%04X", info[2]));
-        ui->wb_s2->setText(QString::asprintf("%04X", info[3]));
-        ui->wb_s3->setText(QString::asprintf("%04X", info[4]));
-    } else {
-        ui->wb_mnemonic->clear();
-        ui->wb_pc->clear();
-        ui->wb_s1->clear();
-        ui->wb_s2->clear();
-        ui->wb_s3->clear();
-    }
+void GUI::onWorkerWriteBackInfo(const std::vector<int> info)
+{
+	if (!info.empty()) {
+		ui->write_mnemonic->setText(mnemonicToString((Mnemonic)info[0]));
+		ui->write_s1->set_value(info[2]);
+		ui->write_s2->set_value(info[3]);
+		ui->write_s3->set_value(info[4]);
+	} else {
+		ui->write_mnemonic->clear();
+		ui->write_s1->clear();
+		ui->write_s2->clear();
+		ui->write_s3->clear();
+	}
 }
 
-void GUI::onWorkerShowDram(const std::vector<std::array<signed int, LINE_SIZE>> data) {
-    displayTableHTML(ui->dram_table, data);
+void GUI::onWorkerShowDram(
+	const std::vector<std::array<signed int, LINE_SIZE>> data)
+{
+	displayTableHTML(ui->dram_table, data);
 }
 
-void GUI::onWorkerShowCache(const std::vector<std::array<signed int, LINE_SIZE>> data) {
-    displayTableHTML(ui->cache_table, data);
+void GUI::onWorkerShowCache(
+	const std::vector<std::array<signed int, LINE_SIZE>> data)
+{
+	displayTableHTML(ui->cache_table, data);
 }
 
-void GUI::onWorkerShowRegisters(const std::array<int, GPR_NUM> &data) {
-    displayArrayHTML(ui->register_table, data);
+void GUI::onWorkerShowRegisters(const std::array<int, GPR_NUM> &data)
+{
+	displayArrayHTML(ui->register_table, data);
 }
 
-void GUI::onWorkerFinished() {
-    qDebug() << "Worker has finished processing.";
-}
+void GUI::onWorkerFinished() { qDebug() << "Worker has finished processing."; }
 
 void GUI::on_upload_intructions_btn_clicked()
 {
-    qDebug() << "Upload intructions button clicked.";
-    std::vector<signed int> program;
-    program = browseAndRetrieveFile(ui->register_table);
-    if(program.empty()){
-        QMessageBox::critical(ui->register_table, "File Upload", "Invalid Program File!");
-    }
-    emit sendLoadProgram(program);
-    emit sendRefreshDram();
-    QMessageBox::information(ui->register_table, "File Upload", "Instructions loaded successfully!");
+	qDebug() << "Upload intructions button clicked.";
+
+	// why register_table?
+	QString filePath = QFileDialog::getOpenFileName(
+		ui->register_table, "Open Binary File", QDir::homePath(),
+		"Binary Files (*.bin *.rv);;All Files (*.*)");
+	QFile file(filePath);
+	if (filePath.isEmpty() || !file.open(QIODevice::ReadOnly)) {
+		this->set_status(get_no_instructions, "angry");
+		return;
+	}
+
+	this->p.clear();
+	while (!file.atEnd()) {
+		char bytes[4];
+		if (file.read(bytes, 4) == 4) {
+			uint32_t word = (static_cast<uint8_t>(bytes[0]) << 24) |
+							(static_cast<uint8_t>(bytes[1]) << 16) |
+							(static_cast<uint8_t>(bytes[2]) << 8) |
+							(static_cast<uint8_t>(bytes[3]));
+
+			this->p.push_back(static_cast<signed int>(word));
+		}
+	}
+
+	if (this->p.empty())
+		this->set_status(get_no_instructions, "angry");
+	else
+		this->set_status(get_load_file, "happy");
+
+	file.close();
 }
 
-
 void GUI::on_upload_program_state_btn_clicked()
 {
-    //TODO:Upload and set program state ( have to decide how to use this)
-    qDebug() << "upload program state button is clicked.";
+	// TODO:Upload and set program state ( have to decide how to use this)
+	qDebug() << "upload program state button is clicked.";
 }
 
-void GUI::on_set_levels_btn_clicked()
+void GUI::on_enable_pipeline_checkbox_checkStateChanged(
+	const Qt::CheckState &arg1)
 {
-    qDebug() << "Set levels button clicked.";
-    bool ok;
-    int value = QInputDialog::getInt(this, "Enter Value", "Enter value:", 
-                                     0,
-                                     0, 10, 1, &ok);
-    if (ok) {
-        cache_levels = value;
-        ui->cache_levels_dropdwn->clear();  // Clear previous entries
-        for (int i = 0; i < cache_levels; ++i) {
-            ui->cache_levels_dropdwn->addItem(QString::number(i));
-            ways.push_back(2);
-            size.push_back(5);
-        }   
-    } else {
-        qDebug() << "User cancelled input.";
-    }
+	this->is_pipelined = (arg1 == Qt::CheckState::Checked) ? true : false;
 }
 
-void GUI::on_set_cache_btn_clicked() {
-    int current_cache = ui->cache_levels_dropdwn->currentIndex();
-    // qDebug() << "current cache: " << current_cache;
-    int prevWays = ways[current_cache];
-    int prevSize = size[current_cache];
-    QString cache_ways = ui->cache_ways_inp->text();
-    QString cache_size = ui->cache_size_inp->text();
-    ways[current_cache] = cache_ways.isEmpty() ? prevWays : cache_ways.toInt();
-    size[current_cache] = cache_size.isEmpty() ? prevSize : cache_size.toInt();
-    QMessageBox::information(ui->register_table, "Cache Configuration", "Cache" + QString::number(current_cache) + " values set successfully! Please click on Configure button to configure the pipeline or configure other caches.");
-    // for(int i=0;i<ways.size();i++) {
-    //     qDebug() << "ways: " << ways[i] << " size: " << size[i];
-    // }
+void GUI::on_base_toggle_checkbox_checkStateChanged(const Qt::CheckState &state)
+{
+	this->is_hex = (state == Qt::CheckState::Checked) ? false : true;
+	emit this->hex_toggled(this->is_hex);
 }
 
-
-void GUI::on_enable_pipeline_checkbox_checkStateChanged(const Qt::CheckState &arg1)
+void GUI::on_step_btn_clicked()
 {
-    //TODO: handle pipeline enabling
-    if(arg1 == Qt::CheckState::Checked) {
-        qDebug() << "enable pipeline checkbox checked.";
-        is_pipelined = true;
-    } else {
-        qDebug() << "enable pipeline checkbox unchecked.";
-        is_pipelined = false;
-    }
+	qDebug() << "Run step button clicked.";
+	// try to configure first
+	if (!this->ready)
+		this->on_config_clicked();
+	// try again
+	if (!this->ready)
+		return;
+
+	this->set_status(get_running, "busy");
+	int steps = step_values[ui->step_slider->value()];
+	emit sendRunSteps(steps);
+	this->set_status(get_waiting, "idle");
 }
 
-
-void GUI::on_enabl_cache_checkbox_checkStateChanged(const Qt::CheckState &arg1)
+void GUI::on_save_program_state_btn_clicked()
 {
-    //TODO: handle cache enabling
-    if(arg1 == Qt::CheckState::Checked) {
-        qDebug() << "enable cache checkbox checked.";
-        is_cache_enabled = true;
-    } else {
-        qDebug() << "enable cache checkbox unchecked.";  
-        is_cache_enabled = false; 
-    }
-
+	// TODO: save program state
+	qDebug() << "save program state button is clicked.";
 }
 
-
-void GUI::on_run_steps_btn_clicked()
+void GUI::on_config_clicked()
 {
-    qDebug() << "Run steps button clicked.";
-    emit sendRunSteps(ui->number_steps_inp->text().toInt());
+	std::vector<unsigned int> ways;
+	QStringList entries;
+	signed int i;
+	DynamicWaysEntry *dwe = ui->cache_way_selector;
+
+	for (const QString &s : dwe->get_entries()) {
+
+		if (s.isEmpty())
+			continue;
+
+		i = dwe->parse_valid_way(s);
+		if (i != -1) {
+			ways.push_back((unsigned int)i);
+		} else {
+			this->set_status(get_bad_cache, "angry");
+			return;
+		}
+	}
+
+	if (this->p.empty()) {
+		this->set_status(get_no_instructions, "angry");
+		return;
+	}
+
+	this->ready = true;
+
+	// say something snarky
+	if (!is_pipelined)
+		this->set_status(get_no_pipeline, "angry");
+	else if (ways.size() == 0)
+		this->set_status(get_no_cache, "angry");
+	else
+		this->set_status(get_initialize, "happy");
+
+	emit sendConfigure(ways, this->p, is_pipelined);
 }
 
-
-void GUI::on_step_btn_clicked()
+void GUI::set_status(
+	const std::function<std::string()> &func, const QString &img)
 {
-    qDebug() << "Run step button clicked.";
-    emit sendRunStep();
-}
+	this->status_label->setText(
+		"-> \"" + QString::fromStdString(func()) + "\"");
 
+	QString img_path = ":resources/" + img;
+	QPixmap pixmap(img_path);
 
-void GUI::on_save_program_state_btn_clicked()
-{
-    //TODO: save program state
-    qDebug() << "save program state button is clicked.";
-}
+	if (!pixmap) {
+		return;
+	}
 
-void GUI::on_Configure_Btn_clicked()
-{
-    emit sendConfigure(ways, size, is_pipelined, is_cache_enabled);
-    QMessageBox::information(ui->register_table, "Pipeline Configuration", "Pipeline and memory subsystem configured successfully!");
+	this->avatar->setPixmap(pixmap);
+	this->avatar->show();
 }
-
diff --git a/gui/gui.h b/gui/gui.h
index c25ab93..0b10145 100644
--- a/gui/gui.h
+++ b/gui/gui.h
@@ -1,131 +1,180 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef GUI_H
 #define GUI_H
 
-#include <QMainWindow>
-#include <QThread>
-#include <QFileDialog>
+#include "worker.h"
 #include <QFile>
-#include <QTextStream>
-#include <QTextEdit>
-#include <QMessageBox>
+#include <QFileDialog>
 #include <QInputDialog>
-#include "worker.h"
+#include <QLabel>
+#include <QMainWindow>
+#include <QTextEdit>
+#include <QTextStream>
+#include <QThread>
+#include <functional>
 
 QT_BEGIN_NAMESPACE
-namespace Ui {
+namespace Ui
+{
 class GUI;
 }
 QT_END_NAMESPACE
 
 class GUI : public QMainWindow
 {
-    Q_OBJECT
-
-public:
-    GUI(QWidget *parent = nullptr);
-    ~GUI();
-    bool is_pipelined = false;
-    bool is_cache_enabled = false;
-    int cache_levels = 0;
-    std::vector<int> ways;
-    std::vector<int> size;
-
-signals:
-    void sendRefreshDram();
-    void sendRefreshCache();
-    void sendRefreshRegisters();
-    void sendRunSteps(int steps);
-    void sendRunStep();
-    void sendLoadProgram(std::vector<signed int> program);
-    void sendConfigure(std::vector<int> ways, std::vector<int> size, bool is_pipelined, bool is_cache_enabled);
-
-private slots:
-    void onWorkerClockCycles(int value, int pc);
-
-    void onWorkerFetchInfo(const std::vector<int> info);
-
-    void onWorkerDecodeInfo(const std::vector<int> info);
-
-    void onWorkerExecuteInfo(const std::vector<int> info);
-
-    void onWorkerMemoryInfo(const std::vector<int> info);
-
-    void onWorkerWriteBackInfo(const std::vector<int> info);
-
-    void onWorkerShowDram(const std::vector<std::array<signed int, LINE_SIZE>> data);
-
-    void onWorkerShowCache(const std::vector<std::array<signed int, LINE_SIZE>> data);
-    
-    void onWorkerShowRegisters(const std::array<int, GPR_NUM> &data);
-    
-    void onWorkerFinished();
-    
-    void on_upload_intructions_btn_clicked();
-    
-    void on_upload_program_state_btn_clicked();
-
-    void on_Configure_Btn_clicked();
-    
-    void on_set_levels_btn_clicked();
-
-    void on_set_cache_btn_clicked();
-    
-    void on_enable_pipeline_checkbox_checkStateChanged(const Qt::CheckState &arg1);
-    
-    void on_enabl_cache_checkbox_checkStateChanged(const Qt::CheckState &arg1);
-    
-    void on_run_steps_btn_clicked();
-    
-    void on_step_btn_clicked();
-    
-    void on_save_program_state_btn_clicked();
-
-private:
-    Ui::GUI *ui;
-    QThread workerThread;
-    Worker *worker;
-    const std::map<Mnemonic, QString> mnemonicNameMap = {
-        {Mnemonic::ADD, "ADD"},
-        {Mnemonic::SUB, "SUB"},
-        {Mnemonic::MUL, "MUL"},
-        {Mnemonic::QUOT, "QUOT"},
-        {Mnemonic::SFTR, "SFTR"},
-        {Mnemonic::SFTL, "SFTL"},
-        {Mnemonic::AND, "AND"},
-        {Mnemonic::OR, "OR"},
-        {Mnemonic::NOT, "NOT"},
-        {Mnemonic::XOR, "XOR"},
-        {Mnemonic::ADDV, "ADDV"},
-        {Mnemonic::SUBV, "SUBV"},
-        {Mnemonic::MULV, "MULV"},
-        {Mnemonic::DIVV, "DIVV"},
-        {Mnemonic::CMP, "CMP"},
-        {Mnemonic::CEV, "CEV"},
-        {Mnemonic::LOAD, "LOAD"},
-        {Mnemonic::LOADV, "LOADV"},
-        {Mnemonic::ADDI, "ADDI"},
-        {Mnemonic::SUBI, "SUBI"},
-        {Mnemonic::SFTRI, "SFTRI"},
-        {Mnemonic::SFTLI, "SFTLI"},
-        {Mnemonic::ANDI, "ANDI"},
-        {Mnemonic::ORI, "ORI"},
-        {Mnemonic::XORI, "XORI"},
-        {Mnemonic::STORE, "STORE"},
-        {Mnemonic::STOREV, "STOREV"},
-        {Mnemonic::JMP, "JMP"},
-        {Mnemonic::JRL, "JRL"},
-        {Mnemonic::JAL, "JAL"},
-        {Mnemonic::BEQ, "BEQ"},
-        {Mnemonic::BGT, "BGT"},
-        {Mnemonic::BUF, "BUF"},
-        {Mnemonic::BOF, "BOF"},
-        {Mnemonic::PUSH, "PUSH"},
-        {Mnemonic::POP, "POP"},
-        {Mnemonic::NOP, "NOP"},
-    };
-    QString mnemonicToString(Mnemonic mnemonic) {
-        auto it = mnemonicNameMap.find(mnemonic);
-        return (it != mnemonicNameMap.end()) ? it->second : "Unknown";
-    }
+	Q_OBJECT
+
+  public:
+	/**
+	 * Constructor.
+	 * @return A newly allocated GUI object.
+	 */
+	GUI(QWidget *parent = nullptr);
+	~GUI();
+
+	/**
+	 * Uses `func' to set the current status.
+	 * @param a function which returns a string.
+	 * @param a path to the desired avatar
+	 */
+	void set_status(
+		const std::function<std::string()> &func,
+		const QString &img = "idle.png");
+
+  signals:
+	void hex_toggled(bool is_hex);
+	void sendRunSteps(int steps);
+	void sendConfigure(
+		std::vector<unsigned int> ways, vector<int> program, bool is_pipelined);
+
+  private slots:
+	void on_worker_refresh_gui(int value, int pc);
+
+	void onWorkerFetchInfo(const std::vector<int> info);
+
+	void onWorkerDecodeInfo(const std::vector<int> info);
+
+	void onWorkerExecuteInfo(const std::vector<int> info);
+
+	void onWorkerMemoryInfo(const std::vector<int> info);
+
+	void onWorkerWriteBackInfo(const std::vector<int> info);
+
+	void
+	onWorkerShowDram(const std::vector<std::array<signed int, LINE_SIZE>> data);
+
+	void onWorkerShowCache(
+		const std::vector<std::array<signed int, LINE_SIZE>> data);
+
+	void onWorkerShowRegisters(const std::array<int, GPR_NUM> &data);
+
+	void onWorkerFinished();
+
+	void on_upload_intructions_btn_clicked();
+
+	void on_upload_program_state_btn_clicked();
+
+	void
+	on_enable_pipeline_checkbox_checkStateChanged(const Qt::CheckState &arg1);
+
+	void
+	on_base_toggle_checkbox_checkStateChanged(const Qt::CheckState &state);
+
+	void on_step_btn_clicked();
+
+	void on_save_program_state_btn_clicked();
+
+	/**
+	 * Validates that the user has provided a valid program and cache.
+	 * If so, `this->ready' is set and the user options are passed to the
+	 * worker.
+	 * If not, rudely complains.
+	 */
+	void on_config_clicked();
+
+  private:
+	Ui::GUI *ui;
+
+	/**
+	 * Indicates if the program has been initialized.
+	 */
+	bool ready;
+
+	/**
+	 * Whether or not numerical values are currently displaying in hex.
+	 */
+	bool is_hex = true;
+
+	/**
+	 * The message displayed on the status bar.
+	 */
+	QLabel *status_label;
+
+	/**
+	 * The robot image displayed on the status bar.
+	 */
+	QLabel *avatar;
+
+	/**
+	 * The currently loaded program.
+	 */
+	std::vector<signed int> p;
+
+	/**
+	 * If this stage is pipelined or not.
+	 */
+	bool is_pipelined = true;
+
+	/**
+	 * The possible step slider values.
+	 */
+	QVector<int> step_values = {1, 5, 20, 50, 250, 1000, 10000};
+
+	QThread workerThread;
+
+	Worker *worker;
+
+	const std::map<Mnemonic, QString> mnemonicNameMap = {
+		{Mnemonic::ADD, "ADD"},		  {Mnemonic::SUB, "SUB"},
+		{Mnemonic::MUL, "MUL"},		  {Mnemonic::QUOT, "QUOT"},
+		{Mnemonic::SFTR, "SFTR"},	  {Mnemonic::SFTL, "SFTL"},
+		{Mnemonic::AND, "AND"},		  {Mnemonic::OR, "OR"},
+		{Mnemonic::NOT, "NOT"},		  {Mnemonic::XOR, "XOR"},
+		{Mnemonic::ADDV, "ADDV"},	  {Mnemonic::SUBV, "SUBV"},
+		{Mnemonic::MULV, "MULV"},	  {Mnemonic::DIVV, "DIVV"},
+		{Mnemonic::CMP, "CMP"},		  {Mnemonic::CEV, "CEV"},
+		{Mnemonic::LOAD, "LOAD"},	  {Mnemonic::LOADV, "LOADV"},
+		{Mnemonic::ADDI, "ADDI"},	  {Mnemonic::SUBI, "SUBI"},
+		{Mnemonic::SFTRI, "SFTRI"},	  {Mnemonic::SFTLI, "SFTLI"},
+		{Mnemonic::ANDI, "ANDI"},	  {Mnemonic::ORI, "ORI"},
+		{Mnemonic::XORI, "XORI"},	  {Mnemonic::STORE, "STORE"},
+		{Mnemonic::STOREV, "STOREV"}, {Mnemonic::JMP, "JMP"},
+		{Mnemonic::JRL, "JRL"},		  {Mnemonic::JAL, "JAL"},
+		{Mnemonic::BEQ, "BEQ"},		  {Mnemonic::BGT, "BGT"},
+		{Mnemonic::BUF, "BUF"},		  {Mnemonic::BOF, "BOF"},
+		{Mnemonic::PUSH, "PUSH"},	  {Mnemonic::POP, "POP"},
+		{Mnemonic::NOP, "NOP"},
+	};
+	QString mnemonicToString(Mnemonic mnemonic)
+	{
+		auto it = mnemonicNameMap.find(mnemonic);
+		return (it != mnemonicNameMap.end()) ? it->second : "Unknown";
+	}
 };
 #endif // GUI_H
diff --git a/gui/gui.ui b/gui/gui.ui
index 3b7003c..dbb3a33 100644
--- a/gui/gui.ui
+++ b/gui/gui.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1359</width>
-    <height>606</height>
+    <width>1499</width>
+    <height>621</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -16,628 +16,636 @@
   <widget class="QWidget" name="centralwidget">
    <layout class="QHBoxLayout" name="horizontalLayout_2">
     <item>
-     <layout class="QGridLayout" name="gridLayout_2" rowstretch="0,0,0" columnstretch="0,3,0,1,0">
-      <item row="0" column="1">
-       <layout class="QVBoxLayout" name="verticalLayout_19" stretch="1,0,3">
+     <layout class="QGridLayout" name="gridLayout_2" rowstretch="0" columnstretch="0">
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="control_separator">
         <item>
-         <layout class="QVBoxLayout" name="verticalLayout_20">
+         <layout class="QVBoxLayout" name="storage_pipe_separator">
           <item>
-           <widget class="QLabel" name="label_5">
-            <property name="font">
-             <font>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="text">
-             <string>Registers</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Line" name="line_25">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QTextEdit" name="register_table"/>
+           <layout class="QHBoxLayout" name="storage_view">
+            <item>
+             <layout class="QVBoxLayout" name="registers">
+              <item>
+               <widget class="QLabel" name="label_5">
+                <property name="font">
+                 <font>
+                  <bold>true</bold>
+                 </font>
+                </property>
+                <property name="text">
+                 <string>Registers</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QTextEdit" name="register_table"/>
+              </item>
+             </layout>
+            </item>
+            <item>
+             <layout class="QVBoxLayout" name="dram">
+              <item>
+               <widget class="QLabel" name="label_10">
+                <property name="font">
+                 <font>
+                  <bold>true</bold>
+                 </font>
+                </property>
+                <property name="text">
+                 <string>DRAM</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QTextEdit" name="dram_table">
+                <property name="minimumSize">
+                 <size>
+                  <width>500</width>
+                  <height>0</height>
+                 </size>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </item>
+            <item>
+             <layout class="QVBoxLayout" name="cache">
+              <item>
+               <widget class="QLabel" name="label_6">
+                <property name="font">
+                 <font>
+                  <bold>true</bold>
+                 </font>
+                </property>
+                <property name="text">
+                 <string>Cache</string>
+                </property>
+               </widget>
+              </item>
+              <item>
+               <widget class="QTextEdit" name="cache_table">
+                <property name="minimumSize">
+                 <size>
+                  <width>500</width>
+                  <height>0</height>
+                 </size>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </item>
+           </layout>
           </item>
-         </layout>
-        </item>
-        <item>
-         <widget class="Line" name="line_26">
-          <property name="orientation">
-           <enum>Qt::Horizontal</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_7">
           <item>
-           <layout class="QVBoxLayout" name="verticalLayout_21">
+           <layout class="QHBoxLayout" name="pipe_view">
             <item>
-             <widget class="QLabel" name="label_6">
-              <property name="font">
-               <font>
-                <bold>true</bold>
-               </font>
+             <widget class="QGroupBox" name="Fetch">
+              <property name="minimumSize">
+               <size>
+                <width>200</width>
+                <height>0</height>
+               </size>
               </property>
-              <property name="text">
-               <string>Cache</string>
+              <property name="title">
+               <string>Fetch</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
+              </property>
+              <layout class="QVBoxLayout" name="verticalLayout">
+               <item>
+                <widget class="DigitLabel" name="fetch_bits">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="fetch_squashed">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+              </layout>
              </widget>
             </item>
             <item>
-             <widget class="Line" name="line_27">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
+             <widget class="QGroupBox" name="Decode">
+              <property name="minimumSize">
+               <size>
+                <width>200</width>
+                <height>0</height>
+               </size>
+              </property>
+              <property name="title">
+               <string>Decode</string>
+              </property>
+              <property name="alignment">
+               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
               </property>
+              <layout class="QVBoxLayout" name="verticalLayout_2">
+               <item>
+                <widget class="DigitLabel" name="decode_bits">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="decode_squashed">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+              </layout>
              </widget>
             </item>
             <item>
-             <widget class="QTextEdit" name="cache_table"/>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <widget class="Line" name="line_28">
-            <property name="orientation">
-             <enum>Qt::Vertical</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <layout class="QVBoxLayout" name="verticalLayout_22">
-            <item>
-             <widget class="QLabel" name="label_10">
-              <property name="font">
-               <font>
-                <bold>true</bold>
-               </font>
+             <widget class="QGroupBox" name="Execute">
+              <property name="minimumSize">
+               <size>
+                <width>200</width>
+                <height>0</height>
+               </size>
+              </property>
+              <property name="title">
+               <string>Execute</string>
               </property>
-              <property name="text">
-               <string>DRAM</string>
+              <property name="alignment">
+               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
               </property>
+              <layout class="QVBoxLayout" name="verticalLayout_3">
+               <item>
+                <widget class="DigitLabel" name="execute_s1">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="execute_s2">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="execute_s3">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="execute_mnemonic">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="execute_squashed">
+                 <property name="text">
+                  <string/>
+                 </property>
+                 <property name="textFormat">
+                  <enum>Qt::TextFormat::MarkdownText</enum>
+                 </property>
+                </widget>
+               </item>
+              </layout>
              </widget>
             </item>
             <item>
-             <widget class="Line" name="line_29">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
+             <widget class="QGroupBox" name="Memory">
+              <property name="minimumSize">
+               <size>
+                <width>200</width>
+                <height>0</height>
+               </size>
+              </property>
+              <property name="title">
+               <string>Memory</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
+              </property>
+              <layout class="QVBoxLayout" name="verticalLayout_4">
+               <item>
+                <widget class="DigitLabel" name="memory_s1">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="memory_s2">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="memory_s3">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="memory_mnemonic">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="memory_squashed">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+              </layout>
              </widget>
             </item>
             <item>
-             <widget class="QTextEdit" name="dram_table"/>
+             <widget class="QGroupBox" name="WriteBack">
+              <property name="minimumSize">
+               <size>
+                <width>200</width>
+                <height>0</height>
+               </size>
+              </property>
+              <property name="title">
+               <string>Write Back</string>
+              </property>
+              <property name="alignment">
+               <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
+              </property>
+              <layout class="QVBoxLayout" name="verticalLayout_5">
+               <item>
+                <widget class="DigitLabel" name="write_s1">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="write_s2">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="DigitLabel" name="write_s3">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QLabel" name="write_mnemonic">
+                 <property name="text">
+                  <string/>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </widget>
             </item>
            </layout>
           </item>
          </layout>
         </item>
-       </layout>
-      </item>
-      <item row="1" column="0" colspan="5">
-       <layout class="QHBoxLayout" name="horizontalLayout">
-        <item>
-         <widget class="QGroupBox" name="Fetch">
-          <property name="title">
-           <string>Fetch</string>
-          </property>
-          <layout class="QVBoxLayout" name="verticalLayout">
-           <item>
-            <widget class="QLineEdit" name="fetch_instruction_bits">
-             <property name="placeholderText">
-              <string>Instruction Bits</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="fetch_pc">
-             <property name="placeholderText">
-              <string>Program Counter</string>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="Line" name="line">
-          <property name="orientation">
-           <enum>Qt::Vertical</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QGroupBox" name="Decode">
-          <property name="title">
-           <string>Decode</string>
-          </property>
-          <layout class="QVBoxLayout" name="verticalLayout_2">
-           <item>
-            <widget class="QLineEdit" name="decode_s1">
-             <property name="placeholderText">
-              <string>Instruction Bits</string>
-             </property>
-            </widget>
-           </item>
-           <!-- <item>
-            <widget class="QLineEdit" name="decode_s2">
-             <property name="text">
-              <string/>
-             </property>
-             <property name="placeholderText">
-              <string>Program COunte</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="decode_s3">
-             <property name="placeholderText">
-              <string>s3</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="decode_mnemonic">
-             <property name="placeholderText">
-              <string>Mnemonic</string>
-             </property>
-            </widget>
-           </item> -->
-           <item>
-            <widget class="QLineEdit" name="decode_pc">
-             <property name="placeholderText">
-              <string>Program Counter</string>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="Line" name="line_2">
-          <property name="orientation">
-           <enum>Qt::Vertical</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QGroupBox" name="Execute">
-          <property name="title">
-           <string>Execute</string>
-          </property>
-          <layout class="QVBoxLayout" name="verticalLayout_3">
-           <item>
-            <widget class="QLineEdit" name="execute_s1">
-             <property name="placeholderText">
-              <string>s1</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="execute_s2">
-             <property name="text">
-              <string/>
-             </property>
-             <property name="placeholderText">
-              <string>s2</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="execute_s3">
-             <property name="placeholderText">
-              <string>s3</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="execute_mnemonic">
-             <property name="placeholderText">
-              <string>Mnemonic</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="execute_pc">
-             <property name="placeholderText">
-              <string>Program Counter</string>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="Line" name="line_3">
-          <property name="orientation">
-           <enum>Qt::Vertical</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QGroupBox" name="Memory">
-          <property name="title">
-           <string>Memory</string>
-          </property>
-          <layout class="QVBoxLayout" name="verticalLayout_4">
-           <item>
-            <widget class="QLineEdit" name="memory_s1">
-             <property name="placeholderText">
-              <string>s1</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="memory_s2">
-             <property name="text">
-              <string/>
-             </property>
-             <property name="placeholderText">
-              <string>s2</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="memory_s3">
-             <property name="placeholderText">
-              <string>s3</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="memory_mnemonic">
-             <property name="placeholderText">
-              <string>Mnemonic</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="memory_pc">
-             <property name="placeholderText">
-              <string>Program Counter</string>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-        <item>
-         <widget class="Line" name="line_4">
-          <property name="orientation">
-           <enum>Qt::Vertical</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <widget class="QGroupBox" name="WriteBack">
-          <property name="title">
-           <string>Write Back</string>
-          </property>
-          <layout class="QVBoxLayout" name="verticalLayout_5">
-           <item>
-            <widget class="QLineEdit" name="wb_s1">
-             <property name="placeholderText">
-              <string>s1</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="wb_s2">
-             <property name="text">
-              <string/>
-             </property>
-             <property name="placeholderText">
-              <string>s2</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="wb_s3">
-             <property name="placeholderText">
-              <string>s3</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="wb_mnemonic">
-             <property name="placeholderText">
-              <string>Mnemonic</string>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QLineEdit" name="wb_pc">
-             <property name="placeholderText">
-              <string>Program Counter</string>
-             </property>
-            </widget>
-           </item>
-          </layout>
-         </widget>
-        </item>
-       </layout>
-      </item>
-      <item row="0" column="3">
-       <layout class="QVBoxLayout" name="verticalLayout_23">
         <item>
-         <layout class="QVBoxLayout" name="verticalLayout_24">
+         <layout class="QVBoxLayout" name="control_view">
           <item>
-           <widget class="QLabel" name="label_12">
+           <widget class="QLabel" name="label_13">
             <property name="font">
              <font>
               <bold>true</bold>
              </font>
             </property>
             <property name="text">
-             <string>Upload Files</string>
+             <string>Controls</string>
             </property>
            </widget>
           </item>
           <item>
-           <widget class="Line" name="line_33">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
+           <layout class="QHBoxLayout" name="cache_controls">
+            <property name="sizeConstraint">
+             <enum>QLayout::SizeConstraint::SetMinimumSize</enum>
             </property>
-           </widget>
-          </item>
-          <item>
-           <layout class="QVBoxLayout" name="verticalLayout_25">
             <item>
-             <widget class="QPushButton" name="upload_intructions_btn">
-              <property name="text">
-               <string>Upload Instruction File</string>
+             <widget class="Line" name="line_8">
+              <property name="orientation">
+               <enum>Qt::Orientation::Vertical</enum>
               </property>
              </widget>
             </item>
             <item>
-             <layout class="QHBoxLayout" name="horizontalLayout_8">
+             <layout class="QVBoxLayout" name="cache_way_text">
+              <property name="sizeConstraint">
+               <enum>QLayout::SizeConstraint::SetMinimumSize</enum>
+              </property>
               <item>
-               <widget class="QPushButton" name="upload_program_state_btn">
-                <property name="text">
-                 <string>Upload Program State File</string>
+               <widget class="QLabel" name="label">
+                <property name="maximumSize">
+                 <size>
+                  <width>16777215</width>
+                  <height>16777215</height>
+                 </size>
                 </property>
-               </widget>
-              </item>
-             </layout>
-            </item>
-           </layout>
-          </item>
-          <item>
-           <widget class="Line" name="line_34">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
-        <item>
-         <layout class="QVBoxLayout" name="verticalLayout_26">
-          <item>
-           <widget class="QLabel" name="label_13">
-            <property name="font">
-             <font>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="text">
-             <string>Controls</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Line" name="line_35">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <layout class="QVBoxLayout" name="verticalLayout_27">
-           <item>
-             <layout class="QHBoxLayout" name="horizontalLayout_9">
-             <item>
-               <widget class="QPushButton" name="set_levels_btn">
                 <property name="text">
-                 <string>Cache Levels</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QComboBox" name="cache_levels_dropdwn"/>
-              </item>
-              <item>
-               <widget class="QLineEdit" name="cache_size_inp">
-                <property name="placeholderText">
-                 <string>size</string>
+                 <string>C1 2^</string>
                 </property>
                </widget>
               </item>
               <item>
-               <widget class="QLineEdit" name="cache_ways_inp">
-                <property name="placeholderText">
-                 <string>ways</string>
+               <widget class="QLabel" name="label_2">
+                <property name="maximumSize">
+                 <size>
+                  <width>16777215</width>
+                  <height>16777215</height>
+                 </size>
                 </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QPushButton" name="set_cache_btn">
                 <property name="text">
-                 <string>Cache Conf</string>
+                 <string>C2 2^</string>
                 </property>
                </widget>
               </item>
-             </layout>
-            </item>
-            <item>
-             <layout class="QHBoxLayout" name="horizontalLayout_10">
               <item>
-               <widget class="QPushButton" name="Configure_Btn">
-                <property name="text">
-                 <string>Configure</string>
+               <widget class="QLabel" name="label_3">
+                <property name="minimumSize">
+                 <size>
+                  <width>0</width>
+                  <height>0</height>
+                 </size>
                 </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QCheckBox" name="enable_pipeline_checkbox">
-                <property name="text">
-                 <string>Enable Pipeline</string>
+                <property name="maximumSize">
+                 <size>
+                  <width>16777215</width>
+                  <height>16777215</height>
+                 </size>
                 </property>
-                <!-- <property name="checkable">
-                 <bool>false</bool>
+                <property name="text">
+                 <string>C3 2^</string>
                 </property>
-                <property name="checked">
-                 <bool>false</bool>
-                </property> -->
                </widget>
               </item>
               <item>
-               <widget class="QCheckBox" name="enabl_cache_checkbox">
+               <widget class="QLabel" name="label_4">
+                <property name="maximumSize">
+                 <size>
+                  <width>16777215</width>
+                  <height>16777215</height>
+                 </size>
+                </property>
                 <property name="text">
-                 <string>Enable Cache</string>
+                 <string>C4 2^</string>
                 </property>
-                <!-- <property name="checkable">
-                 <bool>false</bool>
-                </property> -->
                </widget>
               </item>
              </layout>
             </item>
+            <item>
+             <widget class="DynamicWaysEntry" name="cache_way_selector" native="true">
+              <property name="minimumSize">
+               <size>
+                <width>0</width>
+                <height>0</height>
+               </size>
+              </property>
+             </widget>
+            </item>
            </layout>
           </item>
-         </layout>
-        </item>
-        <item>
-         <layout class="QVBoxLayout" name="verticalLayout_28">
-          <item>
-           <widget class="Line" name="line_36">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
           <item>
-           <widget class="QLabel" name="label_14">
-            <property name="font">
-             <font>
-              <bold>true</bold>
-             </font>
-            </property>
+           <widget class="QCheckBox" name="enable_pipeline_checkbox">
             <property name="text">
-             <string>Run</string>
+             <string>Enable Pipeline</string>
+            </property>
+            <property name="checked">
+             <bool>true</bool>
             </property>
            </widget>
           </item>
           <item>
-           <widget class="Line" name="line_37">
+           <widget class="Line" name="line">
             <property name="orientation">
-             <enum>Qt::Horizontal</enum>
+             <enum>Qt::Orientation::Horizontal</enum>
             </property>
            </widget>
           </item>
           <item>
-           <layout class="QVBoxLayout" name="verticalLayout_29">
+           <layout class="QVBoxLayout" name="file_controls">
             <item>
-             <layout class="QHBoxLayout" name="horizontalLayout_11">
+             <layout class="QVBoxLayout" name="verticalLayout_29">
+              <item>
+               <layout class="QVBoxLayout" name="verticalLayout_24">
+                <item>
+                 <widget class="QLabel" name="label_12">
+                  <property name="font">
+                   <font>
+                    <bold>true</bold>
+                   </font>
+                  </property>
+                  <property name="text">
+                   <string>Upload Files</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <layout class="QVBoxLayout" name="verticalLayout_25">
+                  <item>
+                   <widget class="QPushButton" name="upload_intructions_btn">
+                    <property name="text">
+                     <string>Load Instructions</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QPushButton" name="upload_program_state_btn">
+                    <property name="text">
+                     <string>Upload Program State</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QPushButton" name="save_program_state_btn">
+                    <property name="text">
+                     <string>Save Program State</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <layout class="QHBoxLayout" name="horizontalLayout_8"/>
+                  </item>
+                  <item>
+                   <spacer name="verticalSpacer_2">
+                    <property name="orientation">
+                     <enum>Qt::Orientation::Vertical</enum>
+                    </property>
+                    <property name="sizeHint" stdset="0">
+                     <size>
+                      <width>20</width>
+                      <height>40</height>
+                     </size>
+                    </property>
+                   </spacer>
+                  </item>
+                 </layout>
+                </item>
+                <item>
+                 <widget class="QPushButton" name="config">
+                  <property name="text">
+                   <string>Initialize!</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <spacer name="verticalSpacer">
+                  <property name="orientation">
+                   <enum>Qt::Orientation::Vertical</enum>
+                  </property>
+                  <property name="sizeHint" stdset="0">
+                   <size>
+                    <width>20</width>
+                    <height>40</height>
+                   </size>
+                  </property>
+                 </spacer>
+                </item>
+               </layout>
+              </item>
+             </layout>
+            </item>
+            <item>
+             <layout class="QVBoxLayout" name="simulation_controls">
+              <item>
+               <layout class="QHBoxLayout" name="horizontalLayout_13">
+                <item>
+                 <widget class="QLabel" name="state_header">
+                  <property name="font">
+                   <font>
+                    <bold>true</bold>
+                   </font>
+                  </property>
+                  <property name="text">
+                   <string>State</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QCheckBox" name="base_toggle_checkbox">
+                  <property name="enabled">
+                   <bool>true</bool>
+                  </property>
+                  <property name="text">
+                   <string>Decimal</string>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </item>
+              <item>
+               <layout class="QHBoxLayout" name="horizontalLayout_11">
+                <item>
+                 <widget class="QLabel" name="pc">
+                  <property name="text">
+                   <string>PC</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="DigitLabel" name="p_counter">
+                  <property name="text">
+                   <string/>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="QLabel" name="cycles">
+                  <property name="text">
+                   <string>Cycle</string>
+                  </property>
+                 </widget>
+                </item>
+                <item>
+                 <widget class="DigitLabel" name="cycle_counter">
+                  <property name="text">
+                   <string/>
+                  </property>
+                 </widget>
+                </item>
+               </layout>
+              </item>
               <item>
-               <widget class="QLineEdit" name="number_steps_inp">
-                <property name="placeholderText">
-                 <string># Steps</string>
+               <widget class="QSlider" name="step_slider">
+                <property name="minimum">
+                 <number>0</number>
+                </property>
+                <property name="maximum">
+                 <number>6</number>
+                </property>
+                <property name="pageStep">
+                 <number>1</number>
+                </property>
+                <property name="orientation">
+                 <enum>Qt::Orientation::Horizontal</enum>
+                </property>
+                <property name="tickPosition">
+                 <enum>QSlider::TickPosition::NoTicks</enum>
+                </property>
+                <property name="tickInterval">
+                 <number>1</number>
                 </property>
                </widget>
               </item>
               <item>
-               <widget class="QPushButton" name="run_steps_btn">
+               <widget class="QPushButton" name="step_btn">
+                <property name="minimumSize">
+                 <size>
+                  <width>400</width>
+                  <height>0</height>
+                 </size>
+                </property>
                 <property name="text">
-                 <string>Run Steps</string>
+                 <string>Step 1</string>
                 </property>
                </widget>
               </item>
              </layout>
             </item>
-            <item>
-             <widget class="QPushButton" name="step_btn">
-              <property name="text">
-               <string>Step</string>
-              </property>
-             </widget>
-            </item>
            </layout>
           </item>
          </layout>
         </item>
-        <item>
-         <widget class="Line" name="line_38">
-          <property name="orientation">
-           <enum>Qt::Horizontal</enum>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <layout class="QVBoxLayout" name="verticalLayout_30">
-          <item>
-           <widget class="QLabel" name="label_15">
-            <property name="font">
-             <font>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="text">
-             <string>Program State</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="Line" name="line_39">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QLabel" name="cycles_label">
-            <property name="text">
-             <string>Clock Cycles</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="save_program_state_btn">
-            <property name="text">
-             <string>Save Current Program State</string>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </item>
        </layout>
       </item>
-      <item row="0" column="2">
-       <widget class="Line" name="line_5">
-        <property name="orientation">
-         <enum>Qt::Vertical</enum>
-        </property>
-       </widget>
-      </item>
      </layout>
     </item>
    </layout>
   </widget>
-  <widget class="QMenuBar" name="menubar">
-   <property name="geometry">
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>1359</width>
-     <height>26</height>
-    </rect>
-   </property>
-  </widget>
-  <widget class="QStatusBar" name="statusbar"/>
+  <widget class="QStatusBar" name="statusBar"/>
  </widget>
-<resources/>
+ <customwidgets>
+  <customwidget>
+   <class>DynamicWaysEntry</class>
+   <extends>QWidget</extends>
+   <header>dynamicwaysentry.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>DigitLabel</class>
+   <extends>QLabel</extends>
+   <header location="global">digitlabel.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
  <connections/>
 </ui>
diff --git a/gui/main.cc b/gui/main.cc
index 5e45465..9877a3c 100644
--- a/gui/main.cc
+++ b/gui/main.cc
@@ -1,7 +1,26 @@
-#include "pipe_spec.h"
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "gui.h"
 #include "logger.h"
+#include "pipe_spec.h"
 #include <QApplication>
+#include <QFile>
+#include <QFontDatabase>
 #include <getopt.h>
 #include <iostream>
 
@@ -67,6 +86,16 @@ int main(int argc, char **argv)
 
 	global_log->log(INFO, "Starting QT...");
 	QApplication a(argc, argv);
+
+	int fId = QFontDatabase::addApplicationFont(
+		":/resources/BigBlueTermPlusNerdFontMono-Regular.ttf");
+	QFile ssf(":/resources/styles.qss");
+	QString f = QFontDatabase::applicationFontFamilies(fId).at(0);
+
+	ssf.open(QFile::ReadOnly);
+	QString ss = QLatin1String(ssf.readAll());
+	a.setStyleSheet(ss);
+
 	GUI w;
 	w.show();
 	return a.exec();
diff --git a/gui/messages.h b/gui/messages.h
new file mode 100644
index 0000000..461c461
--- /dev/null
+++ b/gui/messages.h
@@ -0,0 +1,71 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
+#ifndef MESSAGES_H
+#define MESSAGES_H
+#include <string>
+#include <vector>
+
+/**
+ * Humorous computer speak.
+ */
+#define RANDOM_MESSAGE(v) (v[std::rand() % v.size()])
+
+const std::vector<std::string> waiting = {
+	"WAITING FOR USER", "IDLE",	  "BORED",		 "SLEEPING",
+	"TAKING A BREAK",	"IDLING", "DAYDREAMING", "WAITING FOR INPUT"};
+const std::vector<std::string> running = {
+	"COMPUTING", "WORKING", "BUSY", "RUNNING"};
+const std::vector<std::string> load_file = {
+	"FILE LOADED", "FILE PARSED", "FILE READ", "READING... DONE"};
+const std::vector<std::string> no_instructions = {
+	"NO PROGRAM PROVIDED", "NOTHING TO DO, GIVING UP", "INSTRUCTIONS MISSING",
+	"404 INSTRUCTIONS NOT FOUND"};
+const std::vector<std::string> bad_cache = {
+	"WAYS CANNOT BE BELOW 0 OR ABOVE 4"};
+const std::vector<std::string> no_pipeline = {
+	"SIMULATION READY: NO PIPE", "PIPE OFF, SIMULATION READY"};
+const std::vector<std::string> no_cache = {
+	"SIMULATION READY: NO CACHE", "CACHE OFF, SIMULATION READY"};
+const std::vector<std::string> initialize = {
+	"SIMULATION READY", "ALL MODULES LOADED, SIMULATION READY"};
+
+/**
+ * @return an unsolicited status messages
+ */
+std::string get_waiting() { return RANDOM_MESSAGE(waiting); }
+std::string get_running() { return RANDOM_MESSAGE(running); }
+
+/**
+ * @return confirmation of file upload
+ */
+std::string get_load_file() { return RANDOM_MESSAGE(load_file); }
+
+/**
+ * @return a friendly reminder that the simulation is not configured yet
+ */
+std::string get_no_instructions() { return RANDOM_MESSAGE(no_instructions); }
+std::string get_bad_cache() { return RANDOM_MESSAGE(bad_cache); }
+
+/**
+ * @return unsolicited complaints for successful initialization
+ */
+std::string get_no_pipeline() { return RANDOM_MESSAGE(no_pipeline); }
+std::string get_no_cache() { return RANDOM_MESSAGE(no_cache); }
+std::string get_initialize() { return RANDOM_MESSAGE(initialize); }
+
+#endif // MESSAGES_H
diff --git a/gui/resources.qrc b/gui/resources.qrc
index 8bfd4e7..569cc22 100644
--- a/gui/resources.qrc
+++ b/gui/resources.qrc
@@ -1,6 +1,11 @@
 <!DOCTYPE RCC>
 <RCC version="1.0">
-    <qresource prefix="/resources">
-        <file alias="input.txt">resources/input.txt</file>
+    <qresource>
+      <file>resources/styles.qss</file>
+      <file>resources/idle.png</file>
+      <file>resources/angry.png</file>
+      <file>resources/happy.png</file>
+      <file>resources/busy.png</file>
+      <file>resources/BigBlueTermPlusNerdFontMono-Regular.ttf</file>
     </qresource>
 </RCC>
diff --git a/gui/resources/BigBlueTermPlusNerdFont-Regular.ttf b/gui/resources/BigBlueTermPlusNerdFont-Regular.ttf
new file mode 100644
index 0000000..d8ad007
--- /dev/null
+++ b/gui/resources/BigBlueTermPlusNerdFont-Regular.ttf
diff --git a/gui/resources/BigBlueTermPlusNerdFontMono-Regular.ttf b/gui/resources/BigBlueTermPlusNerdFontMono-Regular.ttf
new file mode 100644
index 0000000..1757e92
--- /dev/null
+++ b/gui/resources/BigBlueTermPlusNerdFontMono-Regular.ttf
diff --git a/gui/resources/BigBlueTermPlusNerdFontPropo-Regular.ttf b/gui/resources/BigBlueTermPlusNerdFontPropo-Regular.ttf
new file mode 100644
index 0000000..c30176d
--- /dev/null
+++ b/gui/resources/BigBlueTermPlusNerdFontPropo-Regular.ttf
diff --git a/gui/resources/angry.png b/gui/resources/angry.png
new file mode 100644
index 0000000..3299eb4
--- /dev/null
+++ b/gui/resources/angry.png
diff --git a/gui/resources/busy.png b/gui/resources/busy.png
new file mode 100644
index 0000000..df1b36a
--- /dev/null
+++ b/gui/resources/busy.png
diff --git a/gui/resources/happy.png b/gui/resources/happy.png
new file mode 100644
index 0000000..6168e89
--- /dev/null
+++ b/gui/resources/happy.png
diff --git a/gui/resources/idle.png b/gui/resources/idle.png
new file mode 100644
index 0000000..f894716
--- /dev/null
+++ b/gui/resources/idle.png
diff --git a/gui/resources/input.txt b/gui/resources/input.txt
deleted file mode 100644
index fc1c3cf..0000000
--- a/gui/resources/input.txt
+++ /dev/null
@@ -1 +0,0 @@
-Lorem Ipsum
\ No newline at end of file
diff --git a/gui/resources/styles.qss b/gui/resources/styles.qss
new file mode 100644
index 0000000..dbaa623
--- /dev/null
+++ b/gui/resources/styles.qss
@@ -0,0 +1,167 @@
+* {
+    font-family: "BigBlueTermPlusNerdFontMono", "monospace";
+    font-size: 20pt;
+    color: "#00cc00";
+    background-color: "#000200";
+    border: 0px solid "#000200";
+}
+
+QStatusBar {
+    font-size: 12pt;
+    color: "#000200";
+    background-color: "#00cc00";
+}
+
+QLabel#msg_label {
+    font-size: 12pt;
+    color: "#000200";
+    background-color: "#00cc00";
+}
+
+QLabel#info_label {
+    font-size: 12pt;
+    color: "#000200";
+    background-color: "#00cc00";
+}
+
+QLabel#avatar_label {
+    background-color: "#00cc00";
+}
+
+/* main window */
+QWidget {
+}
+
+QGroupBox {
+    text-decoration: underline "#00cc00";
+    font-size: 17pt;
+    border: 4px solid ;
+    border-radius: 0px;
+    margin-top: 1ex; /* leave space at the top for the title */
+}
+
+QGroupBox::title {
+    subcontrol-origin: margin;
+    subcontrol-position: top left;
+    border-radius: 0px;
+    padding: 0 2px;
+}
+
+QLabel {
+}
+
+/* text entry */
+QLineEdit {
+    font-size: 18pt;
+    border-radius: 0px;
+    padding: 0 4px;
+    selection-background-color: "#00cc00";
+}
+
+QTextEdit, QListView {
+    font-size: 10pt;
+}
+
+QPushButton {
+    color: "#000200";
+    background-color: "#00cc00";
+    border-radius: 0px;
+    padding: 1px;
+}
+
+
+QPushButton:pressed {
+    color: "#00cc00";
+    background-color: "#000200";
+}
+
+QPushButton:flat {
+    border: none; /* no border for a flat push button */
+}
+
+QPushButton:default {
+    border-color: "#00cc00";
+}
+
+QMenuBar {
+    background-color: "#00cc00";
+    spacing: 3px; /* spacing between menu bar items */
+}
+
+QMenuBar::item {
+    padding: 1px 4px;
+    background: transparent;
+    border-radius: 4px;
+}
+
+QCheckBox {
+    spacing: 5px;
+}
+
+QCheckBox::indicator {
+    width: 13px;
+    height: 13px;
+    border: 2px solid "#00cc00";
+}
+
+QCheckBox::indicator:unchecked {
+}
+
+/* QCheckBox::indicator:unchecked:pressed { */
+/*     image: url(:/images/checkbox_unchecked_pressed.png); */
+/* } */
+
+QCheckBox::indicator:checked {
+    background: "#00cc00";
+}
+
+QSlider::groove:horizontal {
+    height: 10px; /* the groove expands to the size of the slider by default. by giving it a height, it has a fixed size */
+    background: "#00cc00";
+    margin: 50px 0;
+}
+
+QSlider::handle:horizontal {
+    background: "#00cc00";
+    width: 20px;
+    margin: -50px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */
+    border-radius: 3px;
+}
+
+QScrollBar:horizontal {
+    border: 4px solid "#00cc00";
+}
+
+QScrollBar::handle:horizontal {
+    height: 16px;
+    background-color: "#00cc00";
+}
+
+QScrollBar::add-line:horizontal {
+    border: 4px solid "#00cc00";
+}
+
+QScrollBar::sub-line:horizontal {
+    border: 4px solid "#00cc00";
+}
+
+QScrollBar:vertical {
+    border: 4px solid "#00cc00";
+}
+
+QScrollBar::handle:vertical {
+    width: 16px;
+    background-color: "#00cc00";
+}
+
+QScrollBar::add-line:vertical {
+    border: 4px solid "#00cc00";
+}
+
+QScrollBar::sub-line:vertical {
+    border: 4px solid "#00cc00";
+}
+
+/* Local Variables: */
+/* mode: css */
+/* End: */
diff --git a/gui/worker.cc b/gui/worker.cc
index 2612eb1..ba0723e 100644
--- a/gui/worker.cc
+++ b/gui/worker.cc
@@ -1,58 +1,24 @@
-#include "worker.h"
-
-Worker::Worker(QObject *parent) : QObject(parent) {}
-
-void Worker::configure(std::vector<int> ways, std::vector<int> size, bool is_pipelined, bool is_cache_enabled) {
-	this->d = new Dram(ways.size()+10);
-	setWays(ways);
-	setSize(size);
-	qDebug() << "is cache enabled:" << is_cache_enabled;
-	qDebug() << "is pipelined:" << is_pipelined;
-	this->cache_enabled = is_cache_enabled;	
-	if (!is_cache_enabled || ways.size() == 0) {
-		this->ct = new Controller(wb_stage, this->d, is_pipelined);
-	} else {
-		// 0th index cache has largest delay
-		for(int i=0;i<ways.size();i++) {
-			if(i==0){
-				Cache* cache = new Cache(this->d, size[i], ways[i], ways.size());
-				this->c.push_back(cache);
-			} else {
-				Cache* cache = new Cache(this->c[i-1], size[i], ways[i], ways.size()-i);
-				this->c.push_back(cache);
-			}
-		}
-		this->ct = new Controller(wb_stage, this->c.at(ways.size()-1), is_pipelined);
-	}
-	emit clock_cycles(this->ct->get_clock_cycle(), this->ct->get_pc());
-}
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
 
-void Worker::setWays(std::vector<int> ways) {
-	this->cache_ways = ways;
-}
+// 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.
 
-void Worker::setSize(std::vector<int> size) {
-	this->cache_size = size;
-}
+// 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.
 
-std::vector<int> Worker::getWays() {
-	return this->cache_ways;
-}
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-std::vector<int> Worker::getSize() {
-	return this->cache_size;
-}
+#include "worker.h"
+#include "storage.h"
 
-void Worker::doWork()
-{
-	qDebug() << "Initializing...";
-	
-	this->if_stage = new IF(nullptr);
-	this->id_stage = new ID(if_stage);
-	this->ex_stage = new EX(id_stage);
-	this->mm_stage = new MM(ex_stage);
-	this->wb_stage = new WB(mm_stage);
-}
+Worker::Worker(QObject *parent) : QObject(parent) {}
 
 Worker::~Worker()
 {
@@ -60,62 +26,60 @@ Worker::~Worker()
 	qDebug() << "Worker destructor called in thread:"
 			 << QThread::currentThread();
 	delete this->ct;
-	for(Cache *cache: this->c) {
-		delete cache;
-	}
 }
 
-void Worker::loadProgram(std::vector<signed int> p) {
-	this->d->load(p);
-}
-
-void Worker::refreshDram()
+void Worker::configure(
+	std::vector<unsigned int> ways,
+	std::vector<signed int> program,
+	bool is_pipelined)
 {
-	qDebug() << "Refreshing Dram";
-	emit dram_storage(this->d->view(0, 255));
-}
+	Dram *d;
+	Storage *s;
+	Stage *old;
+	int i;
 
-void Worker::refreshCache()
-{
-	qDebug() << "Refreshing Cache";
-	if(getWays().size() > 0) {
-		unsigned int size = this->c.at(getWays().size()-1)->get_size();
-		emit cache_storage(this->c.at(getWays().size()-1)->view(0, 1<<size));
+	this->ct_mutex.lock();
+	if (ways.size() != 0) {
+		// TODO optimal proper sizes
+		this->size_inc = ((MEM_LINE_SPEC * 0.75) / ways.size());
 	}
-}
+	d = new Dram(DRAM_DELAY);
+	s = static_cast<Storage *>(d);
 
-void Worker::refreshRegisters()
-{
-	qDebug() << "Refreshing Registers";
-	emit register_storage(this->ct->get_gprs());
-}
+	this->s.push_front(s);
+	d->load(program);
 
-void Worker::runSteps(int steps)
-{
-	qDebug() << "Running for steps: " << steps;
-	this->ct->run_for(steps);
-	emit dram_storage(this->d->view(0, 255));
-	if(this->cache_enabled && getWays().size() > 0) {
-		unsigned int size = this->c.at(getWays().size()-1)->get_size();
-		emit cache_storage(this->c.at(getWays().size()-1)->view(0, 1<<size));
+	for (i = ways.size(); i > 0; --i) {
+		s = static_cast<Storage *>(new Cache(
+			s, this->size_inc * (i), ways.at(i - 1), CACHE_DELAY + i));
+		this->s.push_front(s);
 	}
-	emit register_storage(this->ct->get_gprs());
+
+	this->if_stage = new IF(nullptr);
+	this->id_stage = new ID(if_stage);
+	this->ex_stage = new EX(id_stage);
+	this->mm_stage = new MM(ex_stage);
+	this->wb_stage = new WB(mm_stage);
+
+	old = static_cast<Stage *>(this->ct);
+	this->ct = new Controller(wb_stage, s, is_pipelined);
+	if (old)
+		delete old;
+	this->ct_mutex.unlock();
+
+	std::cout << this->ct->get_clock_cycle() << ":" << this->ct->get_pc() << std::endl;
 	emit clock_cycles(this->ct->get_clock_cycle(), this->ct->get_pc());
-	emit if_info(this->if_stage->stage_info());
-	emit id_info(this->id_stage->stage_info());
-	emit ex_info(this->ex_stage->stage_info());
-	emit mm_info(this->mm_stage->stage_info());
-	emit wb_info(this->wb_stage->stage_info());
 }
 
-void Worker::runStep()
+void Worker::runSteps(int steps)
 {
-	qDebug() << "Running for 1 step ";
-	this->ct->advance(WAIT);
-	emit dram_storage(this->d->view(0, 255));
-	if(this->cache_enabled && getWays().size() > 0) {
-		unsigned int size = this->c.at(getWays().size()-1)->get_size();
-		emit cache_storage(this->c.at(getWays().size()-1)->view(0, 1<<size));
+	this->ct_mutex.lock();
+	qDebug() << "Running for " << steps << "steps";
+	this->ct->run_for(steps);
+	// TODO move these to separate functions
+	emit dram_storage(this->s.back()->view(0, 255));
+	if (this->s.size() > 1) {
+		emit cache_storage(this->s.at(0)->view(0, 1 << this->size_inc));
 	}
 	emit register_storage(this->ct->get_gprs());
 	emit clock_cycles(this->ct->get_clock_cycle(), this->ct->get_pc());
@@ -124,4 +88,5 @@ void Worker::runStep()
 	emit ex_info(this->ex_stage->stage_info());
 	emit mm_info(this->mm_stage->stage_info());
 	emit wb_info(this->wb_stage->stage_info());
+	this->ct_mutex.unlock();
 }
diff --git a/gui/worker.h b/gui/worker.h
index fe539fe..62c8d84 100644
--- a/gui/worker.h
+++ b/gui/worker.h
@@ -1,64 +1,85 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef WORKER_H
 #define WORKER_H
 
-#include <QObject>
-#include <QThread>
-#include <QDebug>
-
+#include "cache.h"
 #include "controller.h"
 #include "dram.h"
-#include "cache.h"
+#include "ex.h"
 #include "id.h"
 #include "if.h"
-#include "ex.h"
 #include "mm.h"
 #include "wb.h"
+#include <QDebug>
+#include <QMutex>
+#include <QObject>
+#include <QThread>
+#include <deque>
+
+class Worker : public QObject
+{
+	Q_OBJECT
+
+  private:
+	/**
+	 * The storage objects, stored smallest to largest.
+	 */
+	std::deque<Storage *> s;
+	IF *if_stage;
+	ID *id_stage;
+	EX *ex_stage;
+	MM *mm_stage;
+	WB *wb_stage;
 
-class Worker : public QObject {
-    Q_OBJECT
+	Controller *ct = nullptr;
+	QMutex ct_mutex;
 
-private:
-    std::vector<Cache*> c;
-    std::vector<int> cache_ways;
-    std::vector<int> cache_size;
-    bool cache_enabled = false;
-    Dram *d;
-    Controller *ct;
-    ID *id_stage;
-    IF *if_stage;
-    EX *ex_stage;
-    MM *mm_stage;
-    WB *wb_stage;
+	/**
+	 * The size each progressive cache level increases by.
+	 */
+	unsigned int size_inc;
 
-public:
-    explicit Worker(QObject *parent = nullptr);
-    ~Worker();
-    std::vector<int> getWays();
-    std::vector<int> getSize();
-    void setWays(std::vector<int> ways);
-    void setSize(std::vector<int> size);
+  public:
+	explicit Worker(QObject *parent = nullptr);
+	~Worker();
+	QMutex &get_ct_mutex() { return ct_mutex; }
 
-public slots:
-    void doWork();
-    void refreshDram();
-    void loadProgram(std::vector<signed int> p);
-    void configure(std::vector<int> ways, std::vector<int> size, bool is_pipelined, bool is_cache_enabled);
-    void refreshCache(); 
-    void refreshRegisters(); 
-    void runSteps(int steps);
-    void runStep();
+  public slots:
+	void runSteps(int steps);
+	void configure(
+		std::vector<unsigned int> ways,
+		std::vector<signed int> program,
+		bool is_pipelined);
 
-signals:
-    void clock_cycles(int value, int pc);
-    void dram_storage(const std::vector<std::array<signed int, LINE_SIZE>> data);
-    void cache_storage(const std::vector<std::array<signed int, LINE_SIZE>> data);
-    void register_storage(const std::array<int, GPR_NUM> data);
-    void if_info(const std::vector<int> info);
-    void id_info(const std::vector<int> info);
-    void ex_info(const std::vector<int> info);
-    void mm_info(const std::vector<int> info);
-    void wb_info(const std::vector<int> info);
-    void finished();
+  signals:
+	void clock_cycles(int value, int pc);
+	void
+	dram_storage(const std::vector<std::array<signed int, LINE_SIZE>> data);
+	void
+	cache_storage(const std::vector<std::array<signed int, LINE_SIZE>> data);
+	void register_storage(const std::array<int, GPR_NUM> data);
+	void if_info(const std::vector<int> info);
+	void id_info(const std::vector<int> info);
+	void ex_info(const std::vector<int> info);
+	void mm_info(const std::vector<int> info);
+	void wb_info(const std::vector<int> info);
+	void finished();
 };
 
-#endif // WORKER_H
\ No newline at end of file
+#endif // WORKER_H
diff --git a/inc/accessor.h b/inc/accessor.h
index eb56785..67a68b9 100644
--- a/inc/accessor.h
+++ b/inc/accessor.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef ACCESSOR_H
 #define ACCESSOR_H
 #include <iostream>
diff --git a/inc/controller.h b/inc/controller.h
index 778c5bc..b7fa835 100644
--- a/inc/controller.h
+++ b/inc/controller.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef CONTROLLER_H
 #define CONTROLLER_H
 #include "instrDTO.h"
diff --git a/inc/dum.h b/inc/dum.h
index da64b9d..4a3069a 100644
--- a/inc/dum.h
+++ b/inc/dum.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef DUM_H
 #define DUM_H
 #include "instrDTO.h"
diff --git a/inc/ex.h b/inc/ex.h
index f63539c..1c06ac2 100644
--- a/inc/ex.h
+++ b/inc/ex.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef EX_H
 #define EX_H
 #include "instrDTO.h"
diff --git a/inc/id.h b/inc/id.h
index 09f0a7c..d6c108a 100644
--- a/inc/id.h
+++ b/inc/id.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef ID_H
 #define ID_H
 #include "instr.h"
diff --git a/inc/if.h b/inc/if.h
index 7ee6ecb..b430dbd 100644
--- a/inc/if.h
+++ b/inc/if.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef IF_H
 #define IF_H
 #include "accessor.h"
diff --git a/inc/instr.h b/inc/instr.h
index 2b1807a..b5b782a 100644
--- a/inc/instr.h
+++ b/inc/instr.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef INSTR_H
 #define INSTR_H
 #include <functional>
diff --git a/inc/instrDTO.h b/inc/instrDTO.h
index 72ea67d..d4af389 100644
--- a/inc/instrDTO.h
+++ b/inc/instrDTO.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef INSTRDTO_H
 #define INSTRDTO_H
 #include "accessor.h"
diff --git a/inc/logger.h b/inc/logger.h
index 88f9e30..9df014b 100644
--- a/inc/logger.h
+++ b/inc/logger.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef LOGGER_H
 #define LOGGER_H
 #include <fstream>
diff --git a/inc/mm.h b/inc/mm.h
index cee3f17..aec1cdd 100644
--- a/inc/mm.h
+++ b/inc/mm.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef MM_H
 #define MM_H
 #include "instrDTO.h"
diff --git a/inc/pipe_spec.h b/inc/pipe_spec.h
index d211b72..0433f23 100644
--- a/inc/pipe_spec.h
+++ b/inc/pipe_spec.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef PIPE_SPEC_H
 #define PIPE_SPEC_H
 #include "logger.h"
@@ -49,6 +66,16 @@
 #define MAX_INT 2147483647
 
 /**
+ * The delay on DRAM objects.
+ */
+#define DRAM_DELAY 10
+
+/**
+ * The (base) on cache objects.
+ */
+#define CACHE_DELAY 1
+
+/**
  * Return the N least-significant bits from integer K using a bit mask
  * @param the integer to be parsed
  * @param the number of bits to be parsed
diff --git a/inc/response.h b/inc/response.h
index 05e9352..501923a 100644
--- a/inc/response.h
+++ b/inc/response.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef RESPONSE_H
 #define RESPONSE_H
 #include <iostream>
diff --git a/inc/stage.h b/inc/stage.h
index 996c21c..448c61a 100644
--- a/inc/stage.h
+++ b/inc/stage.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef STAGE_H
 #define STAGE_H
 #include "accessor.h"
diff --git a/inc/wb.h b/inc/wb.h
index c4755ea..c3547c3 100644
--- a/inc/wb.h
+++ b/inc/wb.h
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #ifndef WB_H
 #define WB_H
 #include "instrDTO.h"
diff --git a/src/logger/logger.cc b/src/logger/logger.cc
index b07e66f..a665dcd 100644
--- a/src/logger/logger.cc
+++ b/src/logger/logger.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "logger.h"
 #include <ctime>
 #include <fstream>
diff --git a/src/sim/controller.cc b/src/sim/controller.cc
index db6106c..59fbbb7 100644
--- a/src/sim/controller.cc
+++ b/src/sim/controller.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "controller.h"
 #include "ex.h"
 #include "response.h"
diff --git a/src/sim/dum.cc b/src/sim/dum.cc
index ab4eaa4..744c110 100644
--- a/src/sim/dum.cc
+++ b/src/sim/dum.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "dum.h"
 #include "accessor.h"
 #include "instrDTO.h"
diff --git a/src/sim/ex.cc b/src/sim/ex.cc
index 62e39c1..f098917 100644
--- a/src/sim/ex.cc
+++ b/src/sim/ex.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "ex.h"
 #include "accessor.h"
 #include "instrDTO.h"
diff --git a/src/sim/id.cc b/src/sim/id.cc
index d10d695..3753f83 100644
--- a/src/sim/id.cc
+++ b/src/sim/id.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "id.h"
 #include "accessor.h"
 #include "instr.h"
@@ -204,7 +221,7 @@ std::vector<int> ID::stage_info()
 {
 	std::vector<int> info;
 	if (this->curr_instr) {
-		info.push_back(this->curr_instr->get_pc());
+		info.push_back(this->curr_instr->is_squashed());
 		info.push_back(this->curr_instr->get_instr_bits());
 	}
 	return info;
diff --git a/src/sim/if.cc b/src/sim/if.cc
index 6494912..e8e7272 100644
--- a/src/sim/if.cc
+++ b/src/sim/if.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "if.h"
 #include "accessor.h"
 #include "instrDTO.h"
@@ -26,7 +43,7 @@ InstrDTO *IF::advance(Response p)
 std::vector<int> IF::stage_info() {
 	std::vector<int> info;
 	if(this->curr_instr){
-		info.push_back(this->curr_instr->get_pc());
+		info.push_back(this->curr_instr->is_squashed());
 		info.push_back(this->curr_instr->get_instr_bits());
 	}
 	return info;
diff --git a/src/sim/instr.cc b/src/sim/instr.cc
index 8bbd0b5..c8d1039 100644
--- a/src/sim/instr.cc
+++ b/src/sim/instr.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "instr.h"
 #include <functional>
 #include <map>
diff --git a/src/sim/instrDTO.cc b/src/sim/instrDTO.cc
index fb6c82b..00b6d5f 100644
--- a/src/sim/instrDTO.cc
+++ b/src/sim/instrDTO.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "instrDTO.h"
 #include "accessor.h"
 
diff --git a/src/sim/mm.cc b/src/sim/mm.cc
index a02ca83..e1057d5 100644
--- a/src/sim/mm.cc
+++ b/src/sim/mm.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "mm.h"
 #include "accessor.h"
 #include "instrDTO.h"
diff --git a/src/sim/stage.cc b/src/sim/stage.cc
index d65ca87..35c6936 100644
--- a/src/sim/stage.cc
+++ b/src/sim/stage.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "stage.h"
 #include <array>
 #include <deque>
@@ -59,7 +76,7 @@ std::vector<int> Stage::stage_info()
 	std::vector<int> info;
 	if (this->curr_instr) {
 		info.push_back(this->curr_instr->get_mnemonic());
-		info.push_back(this->curr_instr->get_pc());
+		info.push_back(this->curr_instr->is_squashed());
 		info.push_back(this->curr_instr->get_s1());
 		info.push_back(this->curr_instr->get_s2());
 		info.push_back(this->curr_instr->get_s3());
diff --git a/src/sim/wb.cc b/src/sim/wb.cc
index c62468c..fbbdd4c 100644
--- a/src/sim/wb.cc
+++ b/src/sim/wb.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "wb.h"
 #include "accessor.h"
 #include "instrDTO.h"
diff --git a/src/utils/accessor.cc b/src/utils/accessor.cc
index 99347ed..c49a2b2 100644
--- a/src/utils/accessor.cc
+++ b/src/utils/accessor.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "accessor.h"
 #include <iostream>
 
diff --git a/src/utils/response.cc b/src/utils/response.cc
index 3d6e439..d56419a 100644
--- a/src/utils/response.cc
+++ b/src/utils/response.cc
@@ -1,3 +1,20 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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 <https://www.gnu.org/licenses/>.
+
 #include "response.h"
 #include <iostream>