diff --git a/lib/macrompatcher.h b/lib/macrompatcher.h
index 98b01df..052fce6 100644
--- a/lib/macrompatcher.h
+++ b/lib/macrompatcher.h
@@ -2,6 +2,10 @@
 #define __MACROMPATCHER_H__ 1
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Known types of ROM images. */
 enum RomType {
 	eUnknown = 0,
@@ -62,4 +66,8 @@ const char *GetROMErrString(RomErr err);
 RomErr GetDRVROffset(RomCtx *rom, uint16_t drvrid, uint32_t *offset);
 RomErr InstallRomdiskDrvr(RomCtx *rom);
 
+#ifdef __cplusplus
+};
+#endif
+
 #endif /* __MACROMPATCHER_H__ */
diff --git a/qtgui/RomPatcher.cpp b/qtgui/RomPatcher.cpp
new file mode 100644
index 0000000..f482a09
--- /dev/null
+++ b/qtgui/RomPatcher.cpp
@@ -0,0 +1,124 @@
+#include "RomPatcher.h"
+
+RomPatcher::RomPatcher()
+{
+	openAction = new QAction(tr("&Open"), this);
+	saveAction = new QAction(tr("&Save"), this);
+	exitAction = new QAction(tr("&Exit"), this);
+
+	connect(openAction, SIGNAL(triggered()), this, SLOT(open()));
+	connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));
+	connect(exitAction, SIGNAL(triggered()), this, SLOT(quit()));
+
+	fileMenu = menuBar()->addMenu(tr("&File"));
+	fileMenu->addAction(openAction);
+	fileMenu->addAction(saveAction);
+	fileMenu->addSeparator();
+	fileMenu->addAction(exitAction);
+
+	int mywidth = 200;
+	int myheight = 300;
+	int yoffset = 25;
+	int xoffset = 5;
+	checksum = new QLabel(this);
+	checksum->setText("Checksum: <NA>");
+	checksum->setAlignment(Qt::AlignTop | Qt::AlignLeft);
+	checksum->move(xoffset, yoffset);
+	yoffset += 25;
+	checksum->setMinimumSize(mywidth, 10);
+
+	applyRomdisk = new QRadioButton("Apply ROMdisk Driver", this);
+	applyRomdisk->move(xoffset, yoffset);
+	applyRomdisk->setMinimumSize(mywidth, 10);
+	applyRomdisk->setEnabled(false);
+
+	applyModsGo = new QPushButton("Apply Mods", this);
+	applyModsGo->move(mywidth/2 - (applyModsGo->width())/2, myheight-50);
+	applyModsGo->setEnabled(false);
+	connect(applyModsGo, SIGNAL(clicked()), this, SLOT(applyMods()));
+	
+	setWindowTitle(tr("RomPatcher"));
+	setMinimumSize(mywidth, myheight);
+
+	rom = (RomCtx*)calloc(1, sizeof(RomCtx));
+}
+
+void RomPatcher::open()
+{
+	QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", "");
+	if(fileName != "") {
+		QFile file(fileName);
+		if(!file.open(QIODevice::ReadOnly)) {
+			QMessageBox::critical(this, tr("Error"), tr("Could not open file"));
+			return;
+		}
+
+		// create the RomCtx structure and populate it here
+		rom->datasize = rom->filesize = file.size();
+		rom->data = (uint8_t*)calloc(1, rom->datasize);
+		QDataStream stream(&file);
+		stream.readRawData((char*)rom->data, (uint)rom->datasize);
+		file.close();
+
+		if(rom->filesize < (512*1024)) {
+			rom->type = e24bit;
+		}else{
+			rom->type = e32bit;
+		}
+
+		updateChecksumUI();
+		applyRomdisk->setEnabled(true);
+		applyModsGo->setEnabled(true);
+	}
+}
+
+void RomPatcher::save()
+{
+	QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", "");
+	if(fileName != "") {
+		QFile file(fileName);
+		if(!file.open(QIODevice::WriteOnly)) {
+			QMessageBox::critical(this, tr("Error"), tr("Could not save file"));
+			return;
+		}
+
+		// save the RomCtx structure here
+		RomErr err = UpdateChecksum(rom);
+		if(err != eSuccess) {
+			fprintf(stderr, "Error updating checksum: %d %s\n", err, GetROMErrString(err));
+		}
+		
+		QDataStream stream(&file);
+		stream.writeRawData((char*)rom->data, (int)rom->datasize);
+
+		file.close();
+	}
+}
+
+void RomPatcher::quit()
+{
+	exit(0);
+}
+
+void RomPatcher::updateChecksumUI()
+{
+	uint32_t cksum;
+	char *cksumstr = NULL;
+	GetChecksum(rom, &cksum);
+	asprintf(&cksumstr, "Checksum: %#x", cksum);
+	checksum->setText(cksumstr);
+	free(cksumstr);
+}
+
+void RomPatcher::applyMods()
+{
+	if(applyRomdisk->isChecked()) {
+		printf("Romdisk checked, applying\n");
+		RomErr err = InstallRomdiskDrvr(rom);
+		if(err != eSuccess) {
+			fprintf(stderr, "Error applying romdisk drvr: %d %s\n", err, GetROMErrString(err));
+		}
+	}
+
+	updateChecksumUI();
+}
diff --git a/qtgui/RomPatcher.h b/qtgui/RomPatcher.h
new file mode 100644
index 0000000..a298633
--- /dev/null
+++ b/qtgui/RomPatcher.h
@@ -0,0 +1,31 @@
+#include <QtGui>
+#include "../lib/macrompatcher.h"
+
+class RomPatcher : public QMainWindow
+{
+	Q_OBJECT
+
+public:
+	RomPatcher();
+
+private slots:
+	void open();
+	void save();
+	void quit();
+	void applyMods();
+
+private:
+	void updateChecksumUI();
+
+	QAction *openAction;
+	QAction *saveAction;
+	QAction *exitAction;
+
+	QMenu *fileMenu;
+
+	QLabel *checksum;
+	QRadioButton *applyRomdisk;
+	QPushButton *applyModsGo;
+
+	RomCtx *rom;
+};
diff --git a/qtgui/RomPatcher.pro b/qtgui/RomPatcher.pro
new file mode 100644
index 0000000..e7f6aaa
--- /dev/null
+++ b/qtgui/RomPatcher.pro
@@ -0,0 +1,6 @@
+SOURCES = RomPatcher.cpp main.cpp
+HEADERS = RomPatcher.h
+
+CONFIG += qt
+
+LIBS += ../lib/libmacrom.a
diff --git a/qtgui/main.cpp b/qtgui/main.cpp
new file mode 100644
index 0000000..5f3901a
--- /dev/null
+++ b/qtgui/main.cpp
@@ -0,0 +1,12 @@
+#include <QtGui>
+#include "RomPatcher.h"
+
+int main(int argc, char **argv) {
+	QApplication app(argc, argv);
+
+	RomPatcher rp;
+
+	rp.show();
+
+	return app.exec();
+}