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Eliminates unused 6502 counter.

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This commit is contained in:
Thomas Harte 2020-04-02 18:49:28 -04:00
parent 474822e83d
commit 7ed8e33622
2 changed files with 0 additions and 6 deletions
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5
Processors/6502/Implementation/6502Implementation.hpp
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@ -38,14 +38,12 @@ template <Personality personality, typename T, bool uses_ready_line> void Proces
} else {\
scheduled_program_counter_ = operations_[size_t(OperationsSlot::FetchDecodeExecute)];\
}\
cycles_in_phase_ = 0; \
}
#define bus_access() \
interrupt_requests_ = (interrupt_requests_ & ~InterruptRequestFlags::IRQ) | irq_request_history_; \
irq_request_history_ = irq_line_ & inverse_interrupt_flag_; \
number_of_cycles -= bus_handler_.perform_bus_operation(nextBusOperation, busAddress, busValue); \
++cycles_in_phase_; \
nextBusOperation = BusOperation::None; \
if(number_of_cycles <= Cycles(0)) break;
@ -57,13 +55,11 @@ template <Personality personality, typename T, bool uses_ready_line> void Proces
// Deal with a potential RDY state, if this 6502 has anything connected to ready.
while(uses_ready_line && ready_is_active_ && number_of_cycles > Cycles(0)) {
number_of_cycles -= bus_handler_.perform_bus_operation(BusOperation::Ready, busAddress, busValue);
++cycles_in_phase_;
}
// Deal with a potential STP state, if this 6502 implements STP.
while(has_stpwai(personality) && stop_is_active_ && number_of_cycles > Cycles(0)) {
number_of_cycles -= bus_handler_.perform_bus_operation(BusOperation::Ready, busAddress, busValue);
++cycles_in_phase_;
if(interrupt_requests_ & InterruptRequestFlags::Reset) {
stop_is_active_ = false;
checkSchedule();
@ -74,7 +70,6 @@ template <Personality personality, typename T, bool uses_ready_line> void Proces
// Deal with a potential WAI state, if this 6502 implements WAI.
while(has_stpwai(personality) && wait_is_active_ && number_of_cycles > Cycles(0)) {
number_of_cycles -= bus_handler_.perform_bus_operation(BusOperation::Ready, busAddress, busValue);
++cycles_in_phase_;
interrupt_requests_ |= (irq_line_ & inverse_interrupt_flag_);
if(interrupt_requests_ & InterruptRequestFlags::NMI || irq_line_) {
wait_is_active_ = false;

1
Processors/6502/Implementation/6502Storage.hpp
View File

@ -225,7 +225,6 @@ class ProcessorStorage {
InstructionList operations_[size_t(OperationsSlot::Max)];
const MicroOp *scheduled_program_counter_ = nullptr;
int cycles_in_phase_ = 0;
/*
Storage for the 6502 registers; F is stored as individual flags.