74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
/*
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* File: Cpu6502.cpp
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* Author: Christopher
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*
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* Created on December 12, 2013, 10:14 PM
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*/
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#include "Cpu6502.h"
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#include "TransNetwork.h"
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#include "trans.h"
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#include "addressbus.h"
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#include "Trace.h"
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#include <iostream>
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#include <utility>
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#include "StateCalculator.h"
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#include "Common.h"
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#define TRACEREG 1
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//#define TRACESEG 1
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Cpu6502::Cpu6502(TransNetwork& transNetwork, AddressBus& addressBus, Trace& trace) : transNetwork(transNetwork), addressBus(addressBus), trace(trace), segs(transNetwork.segs), n(segs.c) {
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}
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void Cpu6502::setPins(const PinSettings& ps) {
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setpSeg rec;
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for (auto p : ps) {
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p.first->set(p.second);
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rec.insert(p.first);
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}
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StateCalculator::recalc(rec);
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}
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void Cpu6502::clock(bool phase) {
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setPins(PinSettings{std::make_pair(n->CLK0,phase)});
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rw();
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#ifdef TRACEREG
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this->trace.dumpRegisters();
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#endif
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#ifdef TRACESEG
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this->trace.dumpSegments();
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#endif
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}
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void Cpu6502::rw() {
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// database read/write happens during Clock Phase 2 (only)
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if (n->CLK2OUT->on) {
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readData();
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writeData();
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}
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}
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void Cpu6502::readData() {
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if (this->transNetwork.segs.c->RW->on) {
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this->transNetwork.segs.setDataSegs(this->addressBus.read(this->transNetwork.segs.rAddr()));
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//???? TODO ???? can this be inside the if block ????
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setpSeg s;
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segs.addDataToRecalc(s);
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StateCalculator::recalc(s);
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}
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}
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void Cpu6502::writeData() {
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if (!this->transNetwork.segs.c->RW->on) {
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this->addressBus.write(this->transNetwork.segs.rAddr(), this->transNetwork.segs.rData());
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}
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}
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