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Attempts to fix direct indirect indexed; not yet successful I think.

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This commit is contained in:
Thomas Harte 2020-10-08 22:15:19 -04:00
parent 7dde7cc743
commit 0ed98cbfac
3 changed files with 7 additions and 1 deletions
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4
Processors/65816/Implementation/65816Implementation.hpp
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@ -171,6 +171,10 @@ template <typename BusHandler> void Processor<BusHandler>::run_for(const Cycles
data_buffer_ = instruction_buffer_; data_buffer_ = instruction_buffer_;
continue; continue;
case OperationCopyDataToInstruction:
instruction_buffer_ = data_buffer_;
continue;
case OperationCopyAToData: case OperationCopyAToData:
if(m_flag()) { if(m_flag()) {
data_buffer_.size = 1; data_buffer_.size = 1;

1
Processors/65816/Implementation/65816Storage.cpp
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@ -428,6 +428,7 @@ struct CPU::WDC65816::ProcessorStorageConstructor {
target(CycleFetchIncrementData); // AAL. target(CycleFetchIncrementData); // AAL.
target(CycleFetchData); // AAH. target(CycleFetchData); // AAH.
target(OperationCopyDataToInstruction);
target(OperationConstructAbsoluteYRead); target(OperationConstructAbsoluteYRead);
target(CycleFetchIncorrectDataAddress); // IO. target(CycleFetchIncorrectDataAddress); // IO.

3
Processors/65816/Implementation/65816Storage.hpp
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@ -112,8 +112,9 @@ enum MicroOp: uint8_t {
/// Copies the current program counter to the data buffer. /// Copies the current program counter to the data buffer.
OperationCopyPCToData, OperationCopyPCToData,
OperationCopyInstructionToData,
OperationCopyDataToPC, OperationCopyDataToPC,
OperationCopyInstructionToData,
OperationCopyDataToInstruction,
/// Copies the current PBR to the data buffer. /// Copies the current PBR to the data buffer.
OperationCopyPBRToData, OperationCopyPBRToData,