Shamusworld >> Repos - virtualjaguar/blob - src/gui/debug/m68kdasmbrowser.cpp

   1 //
   2 // m68kdasmbrowser.cpp - Jaguar M68K disassembly browser
   3 //
   4 // by James Hammons
   5 // (C) 2012 Underground Software
   6 //
   7 // JLH = James Hammons <jlhamm@acm.org>
   8 //
   9 // Who  When        What
  10 // ---  ----------  -------------------------------------------------------------
  11 // JLH  12/01/2012  Created this file
  12 //
  13
  14 // STILL TO DO:
  15 //
  16
  17 #include "m68kdasmbrowser.h"
  18 //#include "memory.h"
  19 #include "m68000/m68kinterface.h"
  20 #include "dsp.h"
  21 #include "gpu.h"
  22
  23
  24 M68KDasmBrowserWindow::M68KDasmBrowserWindow(QWidget * parent/*= 0*/): QWidget(parent, Qt::Dialog),
  25 //      layout(new QVBoxLayout), text(new QTextBrowser),
  26         layout(new QVBoxLayout), text(new QLabel),
  27         refresh(new QPushButton(tr("Refresh"))),
  28         address(new QLineEdit),
  29         go(new QPushButton(tr("Go"))),
  30         memBase(0x4000)
  31 {
  32         setWindowTitle(tr("M68K Disassembly Browser"));
  33
  34         address->setInputMask("hhhhhh");
  35         QHBoxLayout * hbox1 = new QHBoxLayout;
  36         hbox1->addWidget(refresh);
  37         hbox1->addWidget(address);
  38         hbox1->addWidget(go);
  39
  40         // Need to set the size as well...
  41 //      resize(560, 480);
  42
  43         QFont fixedFont("Lucida Console", 8, QFont::Normal);
  44         text->setFont(fixedFont);
  45 ////    layout->setSizeConstraint(QLayout::SetFixedSize);
  46         setLayout(layout);
  47
  48         layout->addWidget(text);
  49 //      layout->addWidget(refresh);
  50         layout->addLayout(hbox1);
  51
  52         connect(refresh, SIGNAL(clicked()), this, SLOT(RefreshContents()));
  53         connect(go, SIGNAL(clicked()), this, SLOT(GoToAddress()));
  54 }
  55
  56
  57 void M68KDasmBrowserWindow::RefreshContents(void)
  58 {
  59         char string[1024];//, buf[64];
  60         QString s;
  61
  62         char buffer[2048];
  63         int pc = memBase, oldpc;
  64
  65         for(uint32_t i=0; i<32; i++)
  66         {
  67                 oldpc = pc;
  68                 pc += m68k_disassemble(buffer, pc, 0);
  69 //              WriteLog("%06X: %s\n", oldpc, buffer);
  70                 sprintf(string, "%06X: %s<br>", oldpc, buffer);
  71
  72                 buffer[0] = 0;  // Clear string
  73                 char singleCharString[2] = { 0, 0 };
  74
  75                 for(int j=0; j<strlen(string); j++)
  76                 {
  77                         if (string[j] == 32)
  78                                 strcat(buffer, "&nbsp;");
  79                         else
  80                         {
  81                                 singleCharString[0] = string[j];
  82                                 strcat(buffer, singleCharString);
  83                         }
  84                 }
  85
  86 //              s += QString(string);
  87                 s += QString(buffer);
  88         }
  89
  90         text->clear();
  91         text->setText(s);
  92 }
  93
  94
  95 void M68KDasmBrowserWindow::keyPressEvent(QKeyEvent * e)
  96 {
  97         if (e->key() == Qt::Key_Escape || e->key() == Qt::Key_Return)
  98                 hide();
  99 #if 1
 100         else if (e->key() == Qt::Key_PageUp)
 101         {
 102                 memBase -= 64;
 103
 104                 if (memBase < 0)
 105                         memBase = 0;
 106
 107                 RefreshContents();
 108         }
 109         else if (e->key() == Qt::Key_PageDown)
 110         {
 111                 memBase += 64;
 112
 113                 if (memBase > (0xF00000 - 64))
 114                         memBase = 0xF00000 - 64;
 115
 116                 RefreshContents();
 117         }
 118         else if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Minus)
 119         {
 120                 memBase -= 16;
 121
 122                 if (memBase < 0)
 123                         memBase = 0;
 124
 125                 RefreshContents();
 126         }
 127         else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Equal)
 128         {
 129                 memBase += 16;
 130
 131                 if (memBase > (0xF00000 - 64))
 132                         memBase = 0xF00000 - 64;
 133
 134                 RefreshContents();
 135         }
 136 #endif
 137 }
 138
 139
 140 void M68KDasmBrowserWindow::GoToAddress(void)
 141 {
 142         bool ok;
 143         QString newAddress = address->text();
 144         memBase = newAddress.toUInt(&ok, 16);
 145         RefreshContents();
 146 }
 147