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#include "nes/sys/controller.hh"
namespace nes::sys
{
auto controller::read() -> std::uint8_t
{
auto const res = index_ < 8 ? (pressed_.get_raw_value() >> index_) & 1 : 0;
index_ += 1;
if (strobing_) { index_ = 0; }
return static_cast<std::uint8_t>(res);
}
auto controller::write(std::uint8_t const value) -> void
{
strobing_ = value & 1;
if (strobing_) { index_ = 0; }
}
} // namespace nes::sys
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