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Fix BIT overflow flag.

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This commit is contained in:
Thomas Harte 2022-06-23 15:24:51 -04:00
parent 380b5141fb
commit da552abf75
1 changed files with 1 additions and 1 deletions
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2
Processors/65816/Implementation/65816Implementation.hpp
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@ -806,7 +806,7 @@ template <typename BusHandler, bool uses_ready_line> void Processor<BusHandler,
assert(data_buffer_.size == 2 - m_flag()); assert(data_buffer_.size == 2 - m_flag());
registers_.flags.set_n(uint16_t(data_buffer_.value), registers_.m_shift); registers_.flags.set_n(uint16_t(data_buffer_.value), registers_.m_shift);
registers_.flags.set_z(uint16_t(data_buffer_.value & registers_.a.full), registers_.m_shift); registers_.flags.set_z(uint16_t(data_buffer_.value & registers_.a.full), registers_.m_shift);
registers_.flags.overflow = data_buffer_.value & Flag::Overflow; registers_.flags.overflow = (data_buffer_.value >> registers_.m_shift) & Flag::Overflow;
break; break;
case BITimm: case BITimm: