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Pulled the .get() call for fetch-decode-execute out of the main loop.

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This commit is contained in:
Thomas Harte 2017-06-01 18:28:04 -04:00
parent c9dd267ec1
commit 7d9b197383
1 changed files with 4 additions and 2 deletions
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6
Processors/Z80/Z80.hpp
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@ -190,6 +190,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
std::vector<MicroOp *> instructions;
std::vector<MicroOp> all_operations;
std::vector<MicroOp> fetch_decode_execute;
MicroOp *fetch_decode_execute_data;
uint8_t r_step_;
InstructionPage() : r_step_(1) {}
@ -626,6 +627,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
target.fetch_decode_execute[0] = fetch_decode_execute[0];
target.fetch_decode_execute[1] = fetch_decode_execute[1];
target.fetch_decode_execute[2] = fetch_decode_execute[2];
target.fetch_decode_execute_data = target.fetch_decode_execute.data();
}
public:
@ -671,7 +673,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
#define advance_operation() \
current_instruction_page_ = &base_page_; \
scheduled_program_counter_ = base_page_.fetch_decode_execute.data();
scheduled_program_counter_ = base_page_.fetch_decode_execute_data;
number_of_cycles_ += number_of_cycles;
if(!scheduled_program_counter_) {
@ -1382,7 +1384,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
case MicroOp::SetInstructionPage:
current_instruction_page_ = (InstructionPage *)operation->source;
scheduled_program_counter_ = current_instruction_page_->fetch_decode_execute.data();
scheduled_program_counter_ = current_instruction_page_->fetch_decode_execute_data;
break;
case MicroOp::CalculateIndexAddress: