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 //      QFont fixedFont("", 8, QFont::Normal);
  45         fixedFont.setStyleHint(QFont::TypeWriter);
  46         text->setFont(fixedFont);
  47 ////    layout->setSizeConstraint(QLayout::SetFixedSize);
  48         setLayout(layout);
  49
  50         layout->addWidget(text);
  51 //      layout->addWidget(refresh);
  52         layout->addLayout(hbox1);
  53
  54         connect(refresh, SIGNAL(clicked()), this, SLOT(RefreshContents()));
  55         connect(go, SIGNAL(clicked()), this, SLOT(GoToAddress()));
  56 }
  57
  58
  59 void M68KDasmBrowserWindow::RefreshContents(void)
  60 {
  61         char string[1024];//, buf[64];
  62         QString s;
  63
  64         char buffer[2048];
  65         int pc = memBase, oldpc;
  66
  67         for(uint32_t i=0; i<32; i++)
  68         {
  69                 oldpc = pc;
  70                 pc += m68k_disassemble(buffer, pc, 0);
  71 //              WriteLog("%06X: %s\n", oldpc, buffer);
  72                 sprintf(string, "%06X: %s<br>", oldpc, buffer);
  73
  74                 buffer[0] = 0;  // Clear string
  75                 char singleCharString[2] = { 0, 0 };
  76
  77                 for(int j=0; j<strlen(string); j++)
  78                 {
  79                         if (string[j] == 32)
  80                                 strcat(buffer, "&nbsp;");
  81                         else
  82                         {
  83                                 singleCharString[0] = string[j];
  84                                 strcat(buffer, singleCharString);
  85                         }
  86                 }
  87
  88 //              s += QString(string);
  89                 s += QString(buffer);
  90         }
  91
  92         text->clear();
  93         text->setText(s);
  94 }
  95
  96
  97 void M68KDasmBrowserWindow::keyPressEvent(QKeyEvent * e)
  98 {
  99         if (e->key() == Qt::Key_Escape || e->key() == Qt::Key_Return)
 100                 hide();
 101 #if 1
 102         else if (e->key() == Qt::Key_PageUp)
 103         {
 104                 memBase -= 64;
 105
 106                 if (memBase < 0)
 107                         memBase = 0;
 108
 109                 RefreshContents();
 110         }
 111         else if (e->key() == Qt::Key_PageDown)
 112         {
 113                 memBase += 64;
 114
 115                 if (memBase > (0xF00000 - 64))
 116                         memBase = 0xF00000 - 64;
 117
 118                 RefreshContents();
 119         }
 120         else if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Minus)
 121         {
 122                 memBase -= 16;
 123
 124                 if (memBase < 0)
 125                         memBase = 0;
 126
 127                 RefreshContents();
 128         }
 129         else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Equal)
 130         {
 131                 memBase += 16;
 132
 133                 if (memBase > (0xF00000 - 64))
 134                         memBase = 0xF00000 - 64;
 135
 136                 RefreshContents();
 137         }
 138 #endif
 139 }
 140
 141
 142 void M68KDasmBrowserWindow::GoToAddress(void)
 143 {
 144         bool ok;
 145         QString newAddress = address->text();
 146         memBase = newAddress.toUInt(&ok, 16);
 147         RefreshContents();
 148 }
 149