CGRAM debugger supports mouse clicks on tiles and the PPU's constructor init the cgram (debug)

sources/Debugger/CGramDebug.cpp

@@ -6,6 +6,8 @@
 #include "../SNES.hpp"
 #include <QColor>
 #include <string>
+#include <iostream>
+#include <QtWidgets/QTableWidget>
 #include "../Utility/Utility.hpp"
 
 namespace ComSquare::Debugger
@@ -22,9 +24,11 @@ namespace ComSquare::Debugger
 		this->_window->setAttribute(Qt::WA_DeleteOnClose);
 
 		this->_ui.setupUi(this->_window);
+		QMainWindow::connect(this->_ui.cgram_view, &QTableView::pressed, this, &CGramDebug::tileClicked);
 		this->_ui.cgram_view->setModel(&this->_model);
-		updateInfoTile(0);
+		updateInfoTile(0, 0);
 		this->_window->show();
+		QEvent::registerEventType();
 	}
 
 	void CGramDebug::disableViewer()
@@ -47,8 +51,10 @@ namespace ComSquare::Debugger
 		return this->_ppu.cgramRead(addr);
 	}
 
-	void CGramDebug::updateInfoTile(uint8_t addr)
+	void CGramDebug::updateInfoTile(int row, int column)
 	{
+		int idTile = row * 16 + column;
+		uint16_t addr = idTile / 8 * 16 + (idTile % 8 * 2);
 		uint16_t cgramValue = this->_ppu.cgramRead(addr);
 		cgramValue += this->_ppu.cgramRead(addr + 1) << 8;
 		uint8_t blue = (cgramValue & 0x7D00U) >> 10U;
@@ -56,8 +62,8 @@ namespace ComSquare::Debugger
 		uint8_t red = (cgramValue & 0x001FU);
 		uint24_t hexColorValue = 0;
 
-		this->_ui.indexLineEdit->setText(std::to_string(addr).c_str());
-		this->_ui.valueLineEdit->setText(std::to_string(cgramValue).c_str());
+		this->_ui.indexLineEdit->setText(std::to_string(addr / 2).c_str());
+		this->_ui.valueLineEdit->setText(Utility::to_hex(cgramValue).c_str());
 		this->_ui.rLineEdit->setText(std::to_string(red).c_str());
 		this->_ui.gLineEdit->setText(std::to_string(green).c_str());
 		this->_ui.bLineEdit->setText(std::to_string(blue).c_str());
@@ -66,6 +72,13 @@ namespace ComSquare::Debugger
 		hexColorValue += (blue * 255U / 31U);
 		this->_ui.hexLineEdit->setText(Utility::to_hex(hexColorValue).c_str());
 	}
+
+	void CGramDebug::tileClicked(const QModelIndex &index)
+	{
+		if (!index.isValid())
+			return;
+		this->updateInfoTile(index.row(), index.column());
+	}
 }
 
 CGramModel::CGramModel(ComSquare::PPU::PPU &ppu) : _ppu(ppu) {}
@@ -105,3 +118,10 @@ QVariant CGramModel::data(const QModelIndex &index, int role) const
 	blue = blue * 255U / 31U;
 	return QColor(red, green, blue);
 }
+
+void CGramModel::enterEvent(QMouseEvent *event)
+{
+	this->x = event->x();
+	this->y = event->y();
+	emit mouseEnter();
+}

sources/Debugger/CGramDebug.hpp

@@ -9,6 +9,9 @@
 #include "../PPU/PPU.hpp"
 #include "../../ui/ui_cgramView.h"
 #include <QtCore/QSortFilterProxyModel>
+#include <QEvent>
+#include <QMouseEvent>
+#include <QTableView>
 #include "ClosableWindow.hpp"
 
 
@@ -70,6 +73,8 @@ public:
 	const int column = 16;
 	//! @brief The number of rows
 	const int rows = 16;
+	int x;
+	int y;
 	explicit CGramModel(ComSquare::PPU::PPU &ppu);
 	CGramModel(const CGramModel &) = delete;
 	const CGramModel &operator=(const CGramModel &) = delete;
@@ -81,12 +86,16 @@ public:
 	int columnCount(const QModelIndex &parent) const override;
 	//! @brief Return a data representing the table cell.
 	QVariant data(const QModelIndex &index, int role) const override;
+	//! @brief Qt Mouse hover enter event
+	void enterEvent(QMouseEvent *event);
+signals:
+	void mouseEnter();
 };
 
 namespace ComSquare::Debugger
 {
 	//! @brief window that allow the user to view all data going through the memory bus.
-	class CGramDebug {
+	class CGramDebug : public QObject {
 	private:
 		//! @brief The QT window for this debugger.
 		ClosableWindow<CGramDebug> *_window;
@@ -116,7 +125,9 @@ namespace ComSquare::Debugger
 		//! @brief Return true if the Bus is overloaded with debugging features.
 		bool isDebugger();
 		//! @brief Update the text fields with corresponding tile info
-		void updateInfoTile(uint8_t addr);
+		void updateInfoTile(int row, int column);
+		//! @brief Update call updateInfoTile with the correct address
+		void tileClicked(const QModelIndex &index);
 	};
 }
 

sources/PPU/PPU.cpp

@@ -17,7 +17,11 @@ namespace ComSquare::PPU
 		oamram(new Ram::Ram(544, ComSquare::OAMRam, "OAMRAM")),
 		cgram(new Ram::Ram(512, ComSquare::CGRam, "CGRAM"))
 	{
+		uint8_t data = 1;
 		this->_registers._isLowByte = true;
+		for (int i = 0; i < 512; i++, data += 11) {
+			this->cgram->write_internal(i, data);
+		}
 	}
 
 	uint8_t PPU::read(uint24_t addr)
@@ -31,7 +35,6 @@ namespace ComSquare::PPU
 			return this->_registers._mpy.mpyh;
 		default:
 			throw InvalidAddress("PPU Internal Registers read ", addr);
-			//std::cout << "PPU Internal Registers read" << addr << std::endl;
  		}
 	}
 

ui/cgramView.ui

@@ -36,6 +36,9 @@
         <height>324</height>
        </size>
       </property>
+      <property name="mouseTracking">
+       <bool>true</bool>
+      </property>
       <property name="autoFillBackground">
        <bool>false</bool>
       </property>
@@ -45,11 +48,17 @@
       <property name="frameShadow">
        <enum>QFrame::Sunken</enum>
       </property>
+      <property name="verticalScrollBarPolicy">
+       <enum>Qt::ScrollBarAlwaysOff</enum>
+      </property>
+      <property name="horizontalScrollBarPolicy">
+       <enum>Qt::ScrollBarAlwaysOff</enum>
+      </property>
       <property name="autoScrollMargin">
        <number>0</number>
       </property>
       <property name="editTriggers">
-       <set>QAbstractItemView::CurrentChanged|QAbstractItemView::SelectedClicked</set>
+       <set>QAbstractItemView::AnyKeyPressed|QAbstractItemView::CurrentChanged|QAbstractItemView::SelectedClicked</set>
       </property>
       <property name="dragDropMode">
        <enum>QAbstractItemView::NoDragDrop</enum>