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28 lines
791 B
C++
28 lines
791 B
C++
//
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// 65816Implementation.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 27/09/2020.
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// Copyright © 2020 Thomas Harte. All rights reserved.
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//
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template <typename BusHandler> void Processor<BusHandler>::run_for(const Cycles cycles) {
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auto int_cycles = cycles.as_integral();
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while(int_cycles--) {
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const MicroOp operation = *next_op_;
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++next_op_;
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switch(operation) {
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case OperationMoveToNextProgram:
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// The exception program will determine the appropriate way to respond
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// based on the pending exception if one exists; otherwise just do a
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// standard fetch-decode-execute.
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next_op_ = &instructions[pending_exceptions_ ? size_t(OperationSlot::Exception) : size_t(OperationSlot::FetchDecodeExecute)];
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continue;
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default:
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assert(false);
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}
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}
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}
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