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debugcpu.cpp: Eliminate unnecessary downcast (nw)

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This commit is contained in:
AJR 2018-01-05 15:22:42 -05:00
parent c2ae911a50
commit 30c9c6fcd2
1 changed files with 5 additions and 2 deletions
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7
src/emu/debug/debugcpu.cpp
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@ -88,11 +88,14 @@ debugger_cpu::debugger_cpu(running_machine &machine)
/* first CPU is visible by default */ /* first CPU is visible by default */
for (device_t &device : device_iterator(m_machine.root_device())) for (device_t &device : device_iterator(m_machine.root_device()))
if (dynamic_cast<cpu_device *>(&device) != nullptr)
{ {
m_visiblecpu = downcast<cpu_device *>(&device); auto *cpu = dynamic_cast<cpu_device *>(&device);
if (cpu != nullptr)
{
m_visiblecpu = cpu;
break; break;
} }
}
/* add callback for breaking on VBLANK */ /* add callback for breaking on VBLANK */
if (m_machine.first_screen() != nullptr) if (m_machine.first_screen() != nullptr)