First version split into asnes and bsnes.

2025-08-05 08:07:41 +02:00 · 2010-08-09 23:28:56 +10:00
commit 165f1e74b5
698 changed files with 145483 additions and 0 deletions
--- a/qt/debugger/tools/disassembler.cpp
+++ b/qt/debugger/tools/disassembler.cpp
@@ -0,0 +1,112 @@
+#include "disassembler.moc"
+CPUDisassembler *cpuDisassembler;
+SMPDisassembler *smpDisassembler;
+Disassembler *disassembler;
+
+CPUDisassembler::CPUDisassembler() {
+  layout = new QVBoxLayout;
+  layout->setMargin(Style::WindowMargin);
+  layout->setSpacing(Style::WidgetSpacing);
+  setLayout(layout);
+
+  view = new QTextEdit;
+  view->setReadOnly(true);
+  view->setFont(QFont(Style::Monospace));
+  view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  view->setMinimumHeight((25 + 1) * view->fontMetrics().height());
+  layout->addWidget(view);
+}
+
+SMPDisassembler::SMPDisassembler() {
+  layout = new QVBoxLayout;
+  layout->setMargin(Style::WindowMargin);
+  layout->setSpacing(Style::WidgetSpacing);
+  setLayout(layout);
+
+  view = new QTextEdit;
+  view->setReadOnly(true);
+  view->setFont(QFont(Style::Monospace));
+  view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  view->setMinimumHeight((25 + 1) * view->fontMetrics().height());
+  layout->addWidget(view);
+}
+
+Disassembler::Disassembler() {
+  setObjectName("disassembler");
+  setWindowTitle("Disassembler");
+  setGeometryString(&config().geometry.disassembler);
+  application.windowList.append(this);
+
+  layout = new QVBoxLayout;
+  layout->setMargin(Style::WindowMargin);
+  layout->setSpacing(Style::WidgetSpacing);
+  setLayout(layout);
+
+  cpuDisassembler = new CPUDisassembler;
+  smpDisassembler = new SMPDisassembler;
+
+  tab = new QTabWidget;
+  tab->addTab(cpuDisassembler, "S-CPU");
+  tab->addTab(smpDisassembler, "S-SMP");
+  layout->addWidget(tab);
+}
+
+void Disassembler::refresh(Source source, unsigned addr) {
+  uint8_t *usage;
+  unsigned mask;
+  if(source == CPU) { usage = SNES::cpu.usage; mask = (1 << 24) - 1; }
+  if(source == SMP) { usage = SNES::smp.usage; mask = (1 << 16) - 1; }
+
+  int line[25];
+  for(unsigned i = 0; i < 25; i++) line[i] = -1;
+
+  line[12] = addr;
+
+  for(signed index = 11; index >= 0; index--) {
+    int base = line[index + 1];
+    if(base == -1) break;
+
+    for(unsigned i = 1; i <= 4; i++) {
+      if(usage[(base - i) & mask] & 0x20) {
+        line[index] = base - i;
+        break;
+      }
+    }
+  }
+
+  for(signed index = 13; index <= 24; index++) {
+    int base = line[index - 1];
+    if(base == -1) break;
+
+    for(unsigned i = 1; i <= 4; i++) {
+      if(usage[(base + i) & mask] & 0x20) {
+        line[index] = base + i;
+        break;
+      }
+    }
+  }
+
+  string output;
+  for(unsigned i = 0; i < 25; i++) {
+    if(i < 12) output << "<font color='#0000a0'>";
+    else if(i == 12) output << "<font color='#00a000'>";
+    else output << "<font color='#a00000'>";
+
+    if(line[i] == -1) {
+      output << "...";
+    } else {
+      char t[256];
+      if(source == CPU) { SNES::cpu.disassemble_opcode(t, line[i]); t[20] = 0; }
+      if(source == SMP) { SNES::smp.disassemble_opcode(t, line[i]); t[23] = 0; }
+      string text = rtrim(t);
+      text.replace(" ", "&nbsp;");
+      output << text;
+    }
+
+    output << "</font>";
+    if(i != 24) output << "<br>";
+  }
+
+  if(source == CPU) cpuDisassembler->view->setHtml(output);
+  if(source == SMP) smpDisassembler->view->setHtml(output);
+}