Added RISC disassembly browser.

[virtualjaguar] / src / gui / debug / riscdasmbrowser.cpp

diff --git a/src/gui/debug/riscdasmbrowser.cpp b/src/gui/debug/riscdasmbrowser.cpp
new file mode 100644 (file)
index 0000000..194bb11
--- /dev/null
+++ b/src/gui/debug/riscdasmbrowser.cpp
@@ -0,0 +1,148 @@
+//
+// riscdasmbrowser.cpp - Jaguar RISC disassembly browser
+//
+// by James Hammons
+// (C) 2013 Underground Software
+//
+// JLH = James Hammons <jlhamm@acm.org>
+//
+// Who  When        What
+// ---  ----------  -------------------------------------------------------------
+// JLH  01/22/2012  Created this file
+//
+
+// STILL TO DO:
+//
+
+#include "riscdasmbrowser.h"
+//#include "memory.h"
+#include "dsp.h"
+#include "gpu.h"
+#include "jagdasm.h"
+
+
+RISCDasmBrowserWindow::RISCDasmBrowserWindow(QWidget * parent/*= 0*/): QWidget(parent, Qt::Dialog),
+//     layout(new QVBoxLayout), text(new QTextBrowser),
+       layout(new QVBoxLayout), text(new QLabel),
+       refresh(new QPushButton(tr("Refresh"))),
+       go(new QPushButton(tr("Go"))),
+       address(new QLineEdit),
+       gpu(new QRadioButton(tr("GPU"))),
+       dsp(new QRadioButton(tr("DSP"))),
+       memBase(0x4000)
+{
+       setWindowTitle(tr("RISC Disassembly Browser"));
+
+       address->setInputMask("hhhhhh");
+       QHBoxLayout * hbox1 = new QHBoxLayout;
+       hbox1->addWidget(refresh);
+       hbox1->addWidget(address);
+       hbox1->addWidget(go);
+
+
+       // Need to set the size as well...
+//     resize(560, 480);
+
+       QFont fixedFont("Lucida Console", 8, QFont::Normal);
+       text->setFont(fixedFont);
+////   layout->setSizeConstraint(QLayout::SetFixedSize);
+       setLayout(layout);
+
+       layout->addWidget(text);
+//     layout->addWidget(refresh);
+       layout->addLayout(hbox1);
+
+       connect(refresh, SIGNAL(clicked()), this, SLOT(RefreshContents()));
+       connect(go, SIGNAL(clicked()), this, SLOT(GoToAddress()));
+}
+
+
+void RISCDasmBrowserWindow::RefreshContents(void)
+{
+       char string[1024];//, buf[64];
+       QString s;
+
+       char buffer[2048];
+       int pc = memBase, oldpc;
+
+       for(uint32_t i=0; i<32; i++)
+       {
+               oldpc = pc;
+               pc += dasmjag(JAGUAR_GPU, buffer, pc);
+               sprintf(string, "%06X: %s<br>", oldpc, buffer);
+
+               buffer[0] = 0;  // Clear string
+               char singleCharString[2] = { 0, 0 };
+
+               for(uint j=0; j<strlen(string); j++)
+               {
+                       if (string[j] == 32)
+                               strcat(buffer, "&nbsp;");
+                       else
+                       {
+                               singleCharString[0] = string[j];
+                               strcat(buffer, singleCharString);
+                       }
+               }
+
+               s += QString(buffer);
+       }
+
+       text->clear();
+       text->setText(s);
+}
+
+
+void RISCDasmBrowserWindow::keyPressEvent(QKeyEvent * e)
+{
+       if (e->key() == Qt::Key_Escape || e->key() == Qt::Key_Return)
+               hide();
+#if 1
+       else if (e->key() == Qt::Key_PageUp)
+       {
+               memBase -= 64;
+
+               if (memBase < 0)
+                       memBase = 0;
+
+               RefreshContents();
+       }
+       else if (e->key() == Qt::Key_PageDown)
+       {
+               memBase += 64;
+
+               if (memBase > (0x1000000 - 480))
+                       memBase = 0x1000000 - 480;
+
+               RefreshContents();
+       }
+       else if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Minus)
+       {
+               memBase -= 2;
+
+               if (memBase < 0)
+                       memBase = 0;
+
+               RefreshContents();
+       }
+       else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Equal)
+       {
+               memBase += 2;
+
+               if (memBase > (0x1000000 - 480))
+                       memBase = 0x1000000 - 480;
+
+               RefreshContents();
+       }
+#endif
+}
+
+
+void RISCDasmBrowserWindow::GoToAddress(void)
+{
+       bool ok;
+       QString newAddress = address->text();
+       memBase = newAddress.toUInt(&ok, 16);
+       RefreshContents();
+}
+