std::string Thumb::LoadFromLiteralStoreInstruction::ToString() const
{
std::stringstream stream;
stream << "LDR R" << GetDestinationRegister() << ", [PC, #0x";
stream << std::hex << std::uppercase << GetImmediate() << "]";
return stream.str();
}
uint16_t CPU::FetchOperand()
{
switch(_instAddrMode) {
case AddrMode::Acc:
case AddrMode::Imp: DummyRead(); return 0;
case AddrMode::Imm:
case AddrMode::Rel: return GetImmediate();
case AddrMode::Zero: return GetZeroAddr();
case AddrMode::ZeroX: return GetZeroXAddr();
case AddrMode::ZeroY: return GetZeroYAddr();
case AddrMode::Ind: return GetIndAddr();
case AddrMode::IndX: return GetIndXAddr();
case AddrMode::IndY: return GetIndYAddr(false);
case AddrMode::IndYW: return GetIndYAddr(true);
case AddrMode::Abs: return GetAbsAddr();
case AddrMode::AbsX: return GetAbsXAddr(false);
case AddrMode::AbsXW: return GetAbsXAddr(true);
case AddrMode::AbsY: return GetAbsYAddr(false);
case AddrMode::AbsYW: return GetAbsYAddr(true);
default: break;
}
#ifndef LIBRETRO
Debugger::BreakIfDebugging();
if(NsfMapper::GetInstance()) {
//Don't stop emulation on CPU crash when playing NSFs, reset cpu instead
Console::Reset(true);
return 0;
} else if(!Debugger::IsEnabled()) {
//Throw an error and stop emulation core (if debugger is not enabled)
throw std::runtime_error("Invalid OP code - CPU crashed");
} else {
return 0;
}
#else
return 0;
#endif
}
std::string Thumb::LoadStoreImmediateInstruction::ToString() const
{
std::stringstream stream;
stream << Thumb::ToString(GetOpcode()) << " R" << GetDestinationRegister();
stream << ", [R" << GetBaseAddressRegister() << ", #0x" << std::hex << std::uppercase << GetImmediate() << "]";
return stream.str();
}
