1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "IOViewer.h"
  7
  8#include "GameController.h"
  9
 10#include <QFontDatabase>
 11
 12extern "C" {
 13#include "gba/io.h"
 14}
 15
 16using namespace QGBA;
 17
 18IOViewer::IOViewer(GameController* controller, QWidget* parent)
 19	: QDialog(parent)
 20	, m_controller(controller)
 21{
 22	m_ui.setupUi(this);
 23
 24	for (unsigned i = 0; i < REG_MAX >> 1; ++i) {
 25		const char* reg = GBAIORegisterNames[i];
 26		if (!reg) {
 27			continue;
 28		}
 29		m_ui.regSelect->addItem(QString::asprintf("0x0400%04X: %s", i << 1, reg), i << 1);
 30	}
 31
 32	const QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
 33	m_ui.regValue->setFont(font);
 34
 35	connect(m_ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonPressed(QAbstractButton*)));
 36	connect(m_ui.buttonBox, SIGNAL(rejected()), this, SLOT(close()));
 37	connect(m_ui.regSelect, SIGNAL(currentIndexChanged(int)), this, SLOT(selectRegister()));
 38
 39	connect(m_ui.b0, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 40	connect(m_ui.b1, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 41	connect(m_ui.b2, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 42	connect(m_ui.b3, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 43	connect(m_ui.b4, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 44	connect(m_ui.b5, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 45	connect(m_ui.b6, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 46	connect(m_ui.b7, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 47	connect(m_ui.b8, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 48	connect(m_ui.b9, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 49	connect(m_ui.bA, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 50	connect(m_ui.bB, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 51	connect(m_ui.bC, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 52	connect(m_ui.bD, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 53	connect(m_ui.bE, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 54	connect(m_ui.bF, SIGNAL(toggled(bool)), this, SLOT(bitFlipped()));
 55
 56	selectRegister(0);
 57}
 58
 59void IOViewer::update() {
 60	m_value = 0;
 61	m_controller->threadInterrupt();
 62	if (m_controller->isLoaded()) {
 63		m_value = GBAIORead(m_controller->thread()->gba, m_register);
 64	}
 65	m_controller->threadContinue();
 66
 67	m_ui.regValue->setText(QString::asprintf("0x%04X", m_value));
 68	bool signalsBlocked;
 69	signalsBlocked = m_ui.b0->blockSignals(true);
 70	m_ui.b0->setChecked(m_value & 0x0001 ? Qt::Checked : Qt::Unchecked);
 71	m_ui.b0->blockSignals(signalsBlocked);
 72	signalsBlocked = m_ui.b1->blockSignals(true);
 73	m_ui.b1->setChecked(m_value & 0x0002 ? Qt::Checked : Qt::Unchecked);
 74	m_ui.b1->blockSignals(signalsBlocked);
 75	signalsBlocked = m_ui.b2->blockSignals(true);
 76	m_ui.b2->setChecked(m_value & 0x0004 ? Qt::Checked : Qt::Unchecked);
 77	m_ui.b2->blockSignals(signalsBlocked);
 78	signalsBlocked = m_ui.b3->blockSignals(true);
 79	m_ui.b3->setChecked(m_value & 0x0008 ? Qt::Checked : Qt::Unchecked);
 80	m_ui.b3->blockSignals(signalsBlocked);
 81	signalsBlocked = m_ui.b4->blockSignals(true);
 82	m_ui.b4->setChecked(m_value & 0x0010 ? Qt::Checked : Qt::Unchecked);
 83	m_ui.b4->blockSignals(signalsBlocked);
 84	signalsBlocked = m_ui.b5->blockSignals(true);
 85	m_ui.b5->setChecked(m_value & 0x0020 ? Qt::Checked : Qt::Unchecked);
 86	m_ui.b5->blockSignals(signalsBlocked);
 87	signalsBlocked = m_ui.b6->blockSignals(true);
 88	m_ui.b6->setChecked(m_value & 0x0040 ? Qt::Checked : Qt::Unchecked);
 89	m_ui.b6->blockSignals(signalsBlocked);
 90	signalsBlocked = m_ui.b7->blockSignals(true);
 91	m_ui.b7->setChecked(m_value & 0x0080 ? Qt::Checked : Qt::Unchecked);
 92	m_ui.b7->blockSignals(signalsBlocked);
 93	signalsBlocked = m_ui.b8->blockSignals(true);
 94	m_ui.b8->setChecked(m_value & 0x0100 ? Qt::Checked : Qt::Unchecked);
 95	m_ui.b8->blockSignals(signalsBlocked);
 96	signalsBlocked = m_ui.b9->blockSignals(true);
 97	m_ui.b9->setChecked(m_value & 0x0200 ? Qt::Checked : Qt::Unchecked);
 98	m_ui.b9->blockSignals(signalsBlocked);
 99	signalsBlocked = m_ui.bA->blockSignals(true);
100	m_ui.bA->setChecked(m_value & 0x0400 ? Qt::Checked : Qt::Unchecked);
101	m_ui.bA->blockSignals(signalsBlocked);
102	signalsBlocked = m_ui.bB->blockSignals(true);
103	m_ui.bB->setChecked(m_value & 0x0800 ? Qt::Checked : Qt::Unchecked);
104	m_ui.bB->blockSignals(signalsBlocked);
105	signalsBlocked = m_ui.bC->blockSignals(true);
106	m_ui.bC->setChecked(m_value & 0x1000 ? Qt::Checked : Qt::Unchecked);
107	m_ui.bC->blockSignals(signalsBlocked);
108	signalsBlocked = m_ui.bD->blockSignals(true);
109	m_ui.bD->setChecked(m_value & 0x2000 ? Qt::Checked : Qt::Unchecked);
110	m_ui.bD->blockSignals(signalsBlocked);
111	signalsBlocked = m_ui.bE->blockSignals(true);
112	m_ui.bE->setChecked(m_value & 0x4000 ? Qt::Checked : Qt::Unchecked);
113	m_ui.bE->blockSignals(signalsBlocked);
114	signalsBlocked = m_ui.bF->blockSignals(true);
115	m_ui.bF->setChecked(m_value & 0x8000 ? Qt::Checked : Qt::Unchecked);
116	m_ui.bF->blockSignals(signalsBlocked);
117}
118
119void IOViewer::bitFlipped() {
120	m_value = 0;
121	m_value |= m_ui.b0->isChecked() << 0x0;
122	m_value |= m_ui.b1->isChecked() << 0x1;
123	m_value |= m_ui.b2->isChecked() << 0x2;
124	m_value |= m_ui.b3->isChecked() << 0x3;
125	m_value |= m_ui.b4->isChecked() << 0x4;
126	m_value |= m_ui.b5->isChecked() << 0x5;
127	m_value |= m_ui.b6->isChecked() << 0x6;
128	m_value |= m_ui.b7->isChecked() << 0x7;
129	m_value |= m_ui.b8->isChecked() << 0x8;
130	m_value |= m_ui.b9->isChecked() << 0x9;
131	m_value |= m_ui.bA->isChecked() << 0xA;
132	m_value |= m_ui.bB->isChecked() << 0xB;
133	m_value |= m_ui.bC->isChecked() << 0xC;
134	m_value |= m_ui.bD->isChecked() << 0xD;
135	m_value |= m_ui.bE->isChecked() << 0xE;
136	m_value |= m_ui.bF->isChecked() << 0xF;
137	m_ui.regValue->setText(QString::asprintf("0x%04X", m_value));
138}
139
140void IOViewer::writeback() {
141	m_controller->threadInterrupt();
142	if (m_controller->isLoaded()) {
143		GBAIOWrite(m_controller->thread()->gba, m_register, m_value);
144	}
145	m_controller->threadContinue();
146	update();
147}
148
149void IOViewer::selectRegister(unsigned address) {
150	m_register = address;
151	update();
152}
153
154void IOViewer::selectRegister() {
155	selectRegister(m_ui.regSelect->currentData().toUInt());
156}
157
158void IOViewer::buttonPressed(QAbstractButton* button) {
159	switch (m_ui.buttonBox->standardButton(button)) {
160	case QDialogButtonBox::Reset:
161	 	update();
162	 	break;
163	case QDialogButtonBox::Apply:
164	 	writeback();
165	 	break;
166	default:
167		break;
168	}
169}