C++ (Cpp) step_event示例

示例#1

文件： debugger.cpp 项目： devinacker/bsnes-plus

void CPUDebugger::op_step() {
  bool break_event = false;

  usage[regs.pc] &= ~(UsageFlagM | UsageFlagX);
  usage[regs.pc] |= UsageOpcode | (regs.p.m << 1) | (regs.p.x << 0);
  opcode_pc = regs.pc;

  if(debugger.step_cpu &&
      (debugger.step_type == Debugger::StepType::StepInto ||
       (debugger.step_type >= Debugger::StepType::StepOver && debugger.call_count < 0))) {
      
    debugger.break_event = Debugger::BreakEvent::CPUStep;
    debugger.step_type = Debugger::StepType::None;
    scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
  } else {
      
    if (debugger.break_on_wdm) {
      uint8 opcode = disassembler_read(opcode_pc);
      if (opcode == 0x42) {
        debugger.breakpoint_hit = Debugger::SoftBreakCPU;
        debugger.break_event = Debugger::BreakEvent::BreakpointHit;
        scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
      }
    }
    debugger.breakpoint_test(Debugger::Breakpoint::Source::CPUBus, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
  }
  if(step_event) step_event();

  // adjust call count if this is a call or return
  // (or if we're stepping over and no call occurred)
  // (TODO: track interrupts as well?)
  if (debugger.step_cpu) {
    if (debugger.step_over_new && debugger.call_count == 0) {
      debugger.call_count = -1;
      debugger.step_over_new = false;
    }
  
    uint8 opcode = disassembler_read(opcode_pc);
    if (opcode == 0x20 || opcode == 0x22 || opcode == 0xfc) {
      debugger.call_count++;
    } else if (opcode == 0x60 || opcode == 0x6b) {
      debugger.call_count--;
    }
  }

  CPU::op_step();
  synchronize_smp();
}

示例#2

文件： debugger.cpp 项目： 7sevenx7/snes9x

void SMPDebugger::op_step() {
  bool break_event = false;

  usage[regs.pc] |= UsageExec;
  opcode_pc = regs.pc;

  opcode_edge = true;
  debugger.breakpoint_test(Debugger::Breakpoint::Source::APURAM, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
  if(step_event && step_event() == true) {
    debugger.break_event = Debugger::BreakEvent::SMPStep;
    scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
  }
  opcode_edge = false;

  SMP::op_step();
  synchronize_cpu();
}

示例#3

文件： debugger.cpp 项目： BigEd/snes-sdk

void sSMPDebugger::op_step() {
  bool break_event = false;

  usage[regs.pc] |= UsageExec;
  opcode_pc = regs.pc;

  if(debugger.step_smp) {
    debugger.break_event = Debugger::BreakEvent::SMPStep;
    scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
  } else {
    debugger.breakpoint_test(Debugger::Breakpoint::Source::APURAM, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
  }

  if(step_event) step_event();
  sSMP::op_step();
  scheduler.sync_smpcpu();
}

示例#4

文件： debugger.cpp 项目： gilligan/bsnes

void CPUDebugger::op_step() {
  bool break_event = false;

  usage[regs.pc] &= ~(UsageFlagM | UsageFlagX);
  usage[regs.pc] |= UsageExec | (regs.p.m << 1) | (regs.p.x << 0);
  opcode_pc = regs.pc;

  if(debugger.step_cpu) {
    debugger.break_event = Debugger::BreakEvent::CPUStep;
    scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
  } else {
    debugger.breakpoint_test(Debugger::Breakpoint::Source::CPUBus, Debugger::Breakpoint::Mode::Exec, regs.pc, 0x00);
  }

  if(step_event) step_event();
  CPU::op_step();
  synchronize_smp();
}

示例#5

文件： debugger.cpp 项目： Lo91/bsnes-plus

void SFXDebugger::op_step() {
  bool break_event = false;

  // subtract 1 since r15 will have already advanced one byte
  // (putting the current opcode in the pipeline)
  opcode_pc = (regs.pbr << 16) + regs.r[15] - 1;
  usage[opcode_pc] |= UsageOpcode;

  if(debugger.step_sfx &&
      (debugger.step_type == Debugger::StepType::StepInto ||
       (debugger.step_type >= Debugger::StepType::StepOver && debugger.call_count < 0))) {
      
    debugger.break_event = Debugger::BreakEvent::SFXStep;
    debugger.step_type = Debugger::StepType::None;
    scheduler.exit(Scheduler::ExitReason::DebuggerEvent);
  } else {
    debugger.breakpoint_test(Debugger::Breakpoint::Source::SFXBus, Debugger::Breakpoint::Mode::Exec, opcode_pc, 0x00);
  }
  if(step_event) step_event();
}