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Code Issues Projects Releases Wiki Activity

Committing upstream changes from Lawless Legends to address mockingboard init issues.

This commit is contained in:
Brendan Robert 2018-05-22 22:28:13 -05:00
parent ad9da99cb8
commit eb776d44af
4 changed files with 909 additions and 825 deletions
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890
src/main/java/jace/cheat/MetaCheat.java
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@ -1,445 +1,445 @@
package jace.cheat;
import jace.Emulator;
import jace.JaceApplication;
import jace.core.CPU;
import jace.core.Computer;
import jace.core.RAM;
import jace.core.RAMEvent;
import jace.core.RAMListener;
import jace.state.State;
import jace.ui.MetacheatUI;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Platform;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.Property;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class MetaCheat extends Cheats {
static final ScriptEngine NASHORN_ENGINE = new ScriptEngineManager().getEngineByName("nashorn");
static Invocable NASHORN_INVOCABLE = (Invocable) NASHORN_ENGINE;
public static enum SearchType {
VALUE, TEXT, CHANGE
}
public static enum SearchChangeType {
NO_CHANGE, ANY_CHANGE, LESS, GREATER, AMOUNT
}
public static class SearchResult {
int address;
int lastObservedValue = 0;
private SearchResult(int address, int val) {
this.address = address;
lastObservedValue = val;
}
@Override
public String toString() {
return Integer.toHexString(address) + ": " + lastObservedValue + " (" + Integer.toHexString(lastObservedValue) + ")";
}
public int getAddress() {
return address;
}
}
MetacheatUI ui;
public int fadeRate = 1;
public int lightRate = 30;
public int historyLength = 10;
private int startAddress = 0;
private int endAddress = 0x0ffff;
private final StringProperty startAddressProperty = new SimpleStringProperty(Integer.toHexString(startAddress));
private final StringProperty endAddressProperty = new SimpleStringProperty(Integer.toHexString(endAddress));
private boolean byteSized = true;
private SearchType searchType = SearchType.VALUE;
private SearchChangeType searchChangeType = SearchChangeType.NO_CHANGE;
private final BooleanProperty signedProperty = new SimpleBooleanProperty(false);
private final StringProperty searchValueProperty = new SimpleStringProperty("0");
private final StringProperty changeByProperty = new SimpleStringProperty("0");
private final ObservableList<DynamicCheat> cheatList = FXCollections.observableArrayList();
private final ObservableList<SearchResult> resultList = FXCollections.observableArrayList();
private final ObservableList<State> snapshotList = FXCollections.observableArrayList();
public MetaCheat(Computer computer) {
super(computer);
addNumericValidator(startAddressProperty);
addNumericValidator(endAddressProperty);
addNumericValidator(searchValueProperty);
addNumericValidator(changeByProperty);
startAddressProperty.addListener((prop, oldVal, newVal) -> {
startAddress = Math.max(0, Math.min(65535, parseInt(newVal)));
});
endAddressProperty.addListener((prop, oldVal, newVal) -> {
endAddress = Math.max(0, Math.min(65535, parseInt(newVal)));
});
}
private void addNumericValidator(StringProperty stringProperty) {
stringProperty.addListener((ObservableValue<? extends String> prop, String oldVal, String newVal) -> {
if (newVal == null || newVal.isEmpty()) {
return;
}
if (!newVal.matches("(\\+|-)?(x|$)?[0-9a-fA-F]*")) {
stringProperty.set("");
}
});
}
public int parseInt(String s) throws NumberFormatException {
if (s == null || s.isEmpty()) {
return 0;
}
if (s.matches("(\\+|-)?[0-9]+")) {
return Integer.parseInt(s);
} else {
String upper = s.toUpperCase();
boolean positive = !upper.startsWith("-");
for (int i = 0; i < upper.length(); i++) {
char c = upper.charAt(i);
if ((c >= '0' && c <= '9') || (c >= 'A' & c <= 'F')) {
int value = Integer.parseInt(s.substring(i), 16);
if (!positive) {
value *= -1;
}
return value;
}
}
}
throw new NumberFormatException("Could not interpret int value " + s);
}
@Override
public void registerListeners() {
}
public void addCheat(DynamicCheat cheat) {
cheatList.add(cheat);
computer.getMemory().addListener(cheat);
cheat.addressProperty().addListener((prop, oldVal, newVal) -> {
computer.getMemory().removeListener(cheat);
cheat.doConfig();
computer.getMemory().addListener(cheat);
});
}
public void removeCheat(DynamicCheat cheat) {
cheat.active.set(false);
computer.getMemory().removeListener(cheat);
cheatList.remove(cheat);
}
@Override
protected void unregisterListeners() {
super.unregisterListeners();
cheatList.stream().forEach(computer.getMemory()::removeListener);
}
@Override
protected String getDeviceName() {
return "MetaCheat";
}
@Override
public void detach() {
super.detach();
ui.detach();
}
@Override
public void attach() {
ui = JaceApplication.getApplication().showMetacheat();
ui.registerMetacheatEngine(this);
super.attach();
}
public int getStartAddress() {
return startAddress;
}
public int getEndAddress() {
return endAddress;
}
public void setByteSized(boolean b) {
byteSized = b;
}
public void setSearchType(SearchType searchType) {
this.searchType = searchType;
}
public void setSearchChangeType(SearchChangeType searchChangeType) {
this.searchChangeType = searchChangeType;
}
public Property<Boolean> signedProperty() {
return signedProperty;
}
public Property<String> searchValueProperty() {
return searchValueProperty;
}
public Property<String> searchChangeByProperty() {
return changeByProperty;
}
public ObservableList<DynamicCheat> getCheats() {
return cheatList;
}
public ObservableList<SearchResult> getSearchResults() {
return resultList;
}
public ObservableList<State> getSnapshots() {
return snapshotList;
}
public Property<String> startAddressProperty() {
return startAddressProperty;
}
public Property<String> endAddressProperty() {
return endAddressProperty;
}
public void newSearch() {
RAM memory = Emulator.computer.getMemory();
resultList.clear();
int compare = parseInt(searchValueProperty.get());
for (int i = 0; i < 0x10000; i++) {
boolean signed = signedProperty.get();
int val
= byteSized
? signed ? memory.readRaw(i) : memory.readRaw(i) & 0x0ff
: signed ? memory.readWordRaw(i) : memory.readWordRaw(i) & 0x0ffff;
if (!searchType.equals(SearchType.VALUE) || val == compare) {
SearchResult result = new SearchResult(i, val);
resultList.add(result);
}
}
}
public void performSearch() {
RAM memory = Emulator.computer.getMemory();
boolean signed = signedProperty.get();
resultList.removeIf((SearchResult result) -> {
int val = byteSized
? signed ? memory.readRaw(result.address) : memory.readRaw(result.address) & 0x0ff
: signed ? memory.readWordRaw(result.address) : memory.readWordRaw(result.address) & 0x0ffff;
int last = result.lastObservedValue;
result.lastObservedValue = val;
switch (searchType) {
case VALUE:
int compare = parseInt(searchValueProperty.get());
return compare != val;
case CHANGE:
switch (searchChangeType) {
case AMOUNT:
int amount = parseInt(searchChangeByProperty().getValue());
return (val - last) != amount;
case GREATER:
return val <= last;
case ANY_CHANGE:
return val == last;
case LESS:
return val >= last;
case NO_CHANGE:
return val != last;
}
break;
case TEXT:
break;
}
return false;
});
}
RAMListener memoryViewListener = null;
private final Map<Integer, MemoryCell> memoryCells = new ConcurrentHashMap<>();
public MemoryCell getMemoryCell(int address) {
return memoryCells.get(address);
}
public void initMemoryView() {
RAM memory = Emulator.computer.getMemory();
for (int addr = getStartAddress(); addr <= getEndAddress(); addr++) {
if (getMemoryCell(addr) == null) {
MemoryCell cell = new MemoryCell();
cell.address = addr;
cell.value.set(memory.readRaw(addr));
memoryCells.put(addr, cell);
}
}
if (memoryViewListener == null) {
memoryViewListener = memory.observe(RAMEvent.TYPE.ANY, startAddress, endAddress, this::processMemoryEvent);
listeners.add(memoryViewListener);
}
}
int fadeCounter = 0;
int FADE_TIMER_VALUE = (int) (Emulator.computer.getMotherboard().cyclesPerSecond / 60);
@Override
public void tick() {
computer.cpu.performSingleTrace();
if (fadeCounter-- <= 0) {
fadeCounter = FADE_TIMER_VALUE;
memoryCells.values().stream()
.filter((cell) -> cell.hasCounts())
.forEach((cell) -> {
if (cell.execCount.get() > 0) {
cell.execCount.set(Math.max(0, cell.execCount.get() - fadeRate));
}
if (cell.readCount.get() > 0) {
cell.readCount.set(Math.max(0, cell.readCount.get() - fadeRate));
}
if (cell.writeCount.get() > 0) {
cell.writeCount.set(Math.max(0, cell.writeCount.get() - fadeRate));
}
if (MemoryCell.listener != null) {
MemoryCell.listener.changed(null, cell, cell);
}
});
}
}
AtomicInteger pendingInspectorUpdates = new AtomicInteger(0);
public void onInspectorChanged() {
pendingInspectorUpdates.set(0);
}
private void processMemoryEvent(RAMEvent e) {
MemoryCell cell = getMemoryCell(e.getAddress());
if (cell != null) {
CPU cpu = Emulator.computer.getCpu();
int pc = cpu.getProgramCounter();
String trace = cpu.getLastTrace();
switch (e.getType()) {
case EXECUTE:
cell.execInstructionsDisassembly.add(trace);
if (cell.execInstructionsDisassembly.size() > historyLength) {
cell.execInstructionsDisassembly.remove(0);
}
case READ_OPERAND:
cell.execCount.set(Math.min(255, cell.execCount.get() + lightRate));
break;
case WRITE:
cell.writeCount.set(Math.min(255, cell.writeCount.get() + lightRate));
if (ui.isInspecting(cell.address)) {
if (pendingInspectorUpdates.incrementAndGet() < 5) {
Platform.runLater(() -> {
pendingInspectorUpdates.decrementAndGet();
cell.writeInstructions.add(pc);
cell.writeInstructionsDisassembly.add(trace);
if (cell.writeInstructions.size() > historyLength) {
cell.writeInstructions.remove(0);
cell.writeInstructionsDisassembly.remove(0);
}
});
}
} else {
cell.writeInstructions.add(cpu.getProgramCounter());
cell.writeInstructionsDisassembly.add(cpu.getLastTrace());
if (cell.writeInstructions.size() > historyLength) {
cell.writeInstructions.remove(0);
cell.writeInstructionsDisassembly.remove(0);
}
}
break;
default:
cell.readCount.set(Math.min(255, cell.readCount.get() + lightRate));
if (ui.isInspecting(cell.address)) {
if (pendingInspectorUpdates.incrementAndGet() < 5) {
Platform.runLater(() -> {
pendingInspectorUpdates.decrementAndGet();
cell.readInstructions.add(pc);
cell.readInstructionsDisassembly.add(trace);
if (cell.readInstructions.size() > historyLength) {
cell.readInstructions.remove(0);
cell.readInstructionsDisassembly.remove(0);
}
});
}
} else {
cell.readInstructions.add(cpu.getProgramCounter());
cell.readInstructionsDisassembly.add(cpu.getLastTrace());
if (cell.readInstructions.size() > historyLength) {
cell.readInstructions.remove(0);
cell.readInstructionsDisassembly.remove(0);
}
}
}
cell.value.set(e.getNewValue());
}
}
public void saveCheats(File saveFile) {
FileWriter writer = null;
try {
writer = new FileWriter(saveFile);
for (DynamicCheat cheat : cheatList) {
writer.write(cheat.serialize());
writer.write("\n");
}
writer.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
writer.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
public void loadCheats(File saveFile) {
BufferedReader in = null;
try {
in = new BufferedReader(new FileReader(saveFile));
StringBuilder guts = new StringBuilder();
String line;
while ((line = in.readLine()) != null) {
DynamicCheat cheat = DynamicCheat.deserialize(line);
addCheat(cheat);
}
in.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
in.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
package jace.cheat;
import jace.Emulator;
import jace.JaceApplication;
import jace.core.CPU;
import jace.core.Computer;
import jace.core.RAM;
import jace.core.RAMEvent;
import jace.core.RAMListener;
import jace.state.State;
import jace.ui.MetacheatUI;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Platform;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.Property;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class MetaCheat extends Cheats {
static final ScriptEngine NASHORN_ENGINE = new ScriptEngineManager().getEngineByName("nashorn");
static Invocable NASHORN_INVOCABLE = (Invocable) NASHORN_ENGINE;
public static enum SearchType {
VALUE, TEXT, CHANGE
}
public static enum SearchChangeType {
NO_CHANGE, ANY_CHANGE, LESS, GREATER, AMOUNT
}
public static class SearchResult {
int address;
int lastObservedValue = 0;
private SearchResult(int address, int val) {
this.address = address;
lastObservedValue = val;
}
@Override
public String toString() {
return Integer.toHexString(address) + ": " + lastObservedValue + " (" + Integer.toHexString(lastObservedValue) + ")";
}
public int getAddress() {
return address;
}
}
MetacheatUI ui;
public int fadeRate = 1;
public int lightRate = 30;
public int historyLength = 10;
private int startAddress = 0;
private int endAddress = 0x0ffff;
private final StringProperty startAddressProperty = new SimpleStringProperty(Integer.toHexString(startAddress));
private final StringProperty endAddressProperty = new SimpleStringProperty(Integer.toHexString(endAddress));
private boolean byteSized = true;
private SearchType searchType = SearchType.VALUE;
private SearchChangeType searchChangeType = SearchChangeType.NO_CHANGE;
private final BooleanProperty signedProperty = new SimpleBooleanProperty(false);
private final StringProperty searchValueProperty = new SimpleStringProperty("0");
private final StringProperty changeByProperty = new SimpleStringProperty("0");
private final ObservableList<DynamicCheat> cheatList = FXCollections.observableArrayList();
private final ObservableList<SearchResult> resultList = FXCollections.observableArrayList();
private final ObservableList<State> snapshotList = FXCollections.observableArrayList();
public MetaCheat(Computer computer) {
super(computer);
addNumericValidator(startAddressProperty);
addNumericValidator(endAddressProperty);
addNumericValidator(searchValueProperty);
addNumericValidator(changeByProperty);
startAddressProperty.addListener((prop, oldVal, newVal) -> {
startAddress = Math.max(0, Math.min(65535, parseInt(newVal)));
});
endAddressProperty.addListener((prop, oldVal, newVal) -> {
endAddress = Math.max(0, Math.min(65535, parseInt(newVal)));
});
}
private void addNumericValidator(StringProperty stringProperty) {
stringProperty.addListener((ObservableValue<? extends String> prop, String oldVal, String newVal) -> {
if (newVal == null || newVal.isEmpty()) {
return;
}
if (!newVal.matches("(\\+|-)?(x|$)?[0-9a-fA-F]*")) {
stringProperty.set("");
}
});
}
public int parseInt(String s) throws NumberFormatException {
if (s == null || s.isEmpty()) {
return 0;
}
if (s.matches("(\\+|-)?[0-9]+")) {
return Integer.parseInt(s);
} else {
String upper = s.toUpperCase();
boolean positive = !upper.startsWith("-");
for (int i = 0; i < upper.length(); i++) {
char c = upper.charAt(i);
if ((c >= '0' && c <= '9') || (c >= 'A' & c <= 'F')) {
int value = Integer.parseInt(s.substring(i), 16);
if (!positive) {
value *= -1;
}
return value;
}
}
}
throw new NumberFormatException("Could not interpret int value " + s);
}
@Override
public void registerListeners() {
}
public void addCheat(DynamicCheat cheat) {
cheatList.add(cheat);
computer.getMemory().addListener(cheat);
cheat.addressProperty().addListener((prop, oldVal, newVal) -> {
computer.getMemory().removeListener(cheat);
cheat.doConfig();
computer.getMemory().addListener(cheat);
});
}
public void removeCheat(DynamicCheat cheat) {
cheat.active.set(false);
computer.getMemory().removeListener(cheat);
cheatList.remove(cheat);
}
@Override
protected void unregisterListeners() {
super.unregisterListeners();
cheatList.stream().forEach(computer.getMemory()::removeListener);
}
@Override
protected String getDeviceName() {
return "MetaCheat";
}
@Override
public void detach() {
super.detach();
ui.detach();
}
@Override
public void attach() {
ui = JaceApplication.getApplication().showMetacheat();
ui.registerMetacheatEngine(this);
super.attach();
}
public int getStartAddress() {
return startAddress;
}
public int getEndAddress() {
return endAddress;
}
public void setByteSized(boolean b) {
byteSized = b;
}
public void setSearchType(SearchType searchType) {
this.searchType = searchType;
}
public void setSearchChangeType(SearchChangeType searchChangeType) {
this.searchChangeType = searchChangeType;
}
public Property<Boolean> signedProperty() {
return signedProperty;
}
public Property<String> searchValueProperty() {
return searchValueProperty;
}
public Property<String> searchChangeByProperty() {
return changeByProperty;
}
public ObservableList<DynamicCheat> getCheats() {
return cheatList;
}
public ObservableList<SearchResult> getSearchResults() {
return resultList;
}
public ObservableList<State> getSnapshots() {
return snapshotList;
}
public Property<String> startAddressProperty() {
return startAddressProperty;
}
public Property<String> endAddressProperty() {
return endAddressProperty;
}
public void newSearch() {
RAM memory = Emulator.computer.getMemory();
resultList.clear();
int compare = parseInt(searchValueProperty.get());
for (int i = 0; i < 0x10000; i++) {
boolean signed = signedProperty.get();
int val
= byteSized
? signed ? memory.readRaw(i) : memory.readRaw(i) & 0x0ff
: signed ? memory.readWordRaw(i) : memory.readWordRaw(i) & 0x0ffff;
if (!searchType.equals(SearchType.VALUE) || val == compare) {
SearchResult result = new SearchResult(i, val);
resultList.add(result);
}
}
}
public void performSearch() {
RAM memory = Emulator.computer.getMemory();
boolean signed = signedProperty.get();
resultList.removeIf((SearchResult result) -> {
int val = byteSized
? signed ? memory.readRaw(result.address) : memory.readRaw(result.address) & 0x0ff
: signed ? memory.readWordRaw(result.address) : memory.readWordRaw(result.address) & 0x0ffff;
int last = result.lastObservedValue;
result.lastObservedValue = val;
switch (searchType) {
case VALUE:
int compare = parseInt(searchValueProperty.get());
return compare != val;
case CHANGE:
switch (searchChangeType) {
case AMOUNT:
int amount = parseInt(searchChangeByProperty().getValue());
return (val - last) != amount;
case GREATER:
return val <= last;
case ANY_CHANGE:
return val == last;
case LESS:
return val >= last;
case NO_CHANGE:
return val != last;
}
break;
case TEXT:
break;
}
return false;
});
}
RAMListener memoryViewListener = null;
private final Map<Integer, MemoryCell> memoryCells = new ConcurrentHashMap<>();
public MemoryCell getMemoryCell(int address) {
return memoryCells.get(address);
}
public void initMemoryView() {
RAM memory = Emulator.computer.getMemory();
for (int addr = getStartAddress(); addr <= getEndAddress(); addr++) {
if (getMemoryCell(addr) == null) {
MemoryCell cell = new MemoryCell();
cell.address = addr;
cell.value.set(memory.readRaw(addr));
memoryCells.put(addr, cell);
}
}
if (memoryViewListener == null) {
memoryViewListener = memory.observe(RAMEvent.TYPE.ANY, startAddress, endAddress, this::processMemoryEvent);
listeners.add(memoryViewListener);
}
}
int fadeCounter = 0;
int FADE_TIMER_VALUE = (int) (Emulator.computer.getMotherboard().getSpeedInHz() / 60);
@Override
public void tick() {
computer.cpu.performSingleTrace();
if (fadeCounter-- <= 0) {
fadeCounter = FADE_TIMER_VALUE;
memoryCells.values().stream()
.filter((cell) -> cell.hasCounts())
.forEach((cell) -> {
if (cell.execCount.get() > 0) {
cell.execCount.set(Math.max(0, cell.execCount.get() - fadeRate));
}
if (cell.readCount.get() > 0) {
cell.readCount.set(Math.max(0, cell.readCount.get() - fadeRate));
}
if (cell.writeCount.get() > 0) {
cell.writeCount.set(Math.max(0, cell.writeCount.get() - fadeRate));
}
if (MemoryCell.listener != null) {
MemoryCell.listener.changed(null, cell, cell);
}
});
}
}
AtomicInteger pendingInspectorUpdates = new AtomicInteger(0);
public void onInspectorChanged() {
pendingInspectorUpdates.set(0);
}
private void processMemoryEvent(RAMEvent e) {
MemoryCell cell = getMemoryCell(e.getAddress());
if (cell != null) {
CPU cpu = Emulator.computer.getCpu();
int pc = cpu.getProgramCounter();
String trace = cpu.getLastTrace();
switch (e.getType()) {
case EXECUTE:
cell.execInstructionsDisassembly.add(trace);
if (cell.execInstructionsDisassembly.size() > historyLength) {
cell.execInstructionsDisassembly.remove(0);
}
case READ_OPERAND:
cell.execCount.set(Math.min(255, cell.execCount.get() + lightRate));
break;
case WRITE:
cell.writeCount.set(Math.min(255, cell.writeCount.get() + lightRate));
if (ui.isInspecting(cell.address)) {
if (pendingInspectorUpdates.incrementAndGet() < 5) {
Platform.runLater(() -> {
pendingInspectorUpdates.decrementAndGet();
cell.writeInstructions.add(pc);
cell.writeInstructionsDisassembly.add(trace);
if (cell.writeInstructions.size() > historyLength) {
cell.writeInstructions.remove(0);
cell.writeInstructionsDisassembly.remove(0);
}
});
}
} else {
cell.writeInstructions.add(cpu.getProgramCounter());
cell.writeInstructionsDisassembly.add(cpu.getLastTrace());
if (cell.writeInstructions.size() > historyLength) {
cell.writeInstructions.remove(0);
cell.writeInstructionsDisassembly.remove(0);
}
}
break;
default:
cell.readCount.set(Math.min(255, cell.readCount.get() + lightRate));
if (ui.isInspecting(cell.address)) {
if (pendingInspectorUpdates.incrementAndGet() < 5) {
Platform.runLater(() -> {
pendingInspectorUpdates.decrementAndGet();
cell.readInstructions.add(pc);
cell.readInstructionsDisassembly.add(trace);
if (cell.readInstructions.size() > historyLength) {
cell.readInstructions.remove(0);
cell.readInstructionsDisassembly.remove(0);
}
});
}
} else {
cell.readInstructions.add(cpu.getProgramCounter());
cell.readInstructionsDisassembly.add(cpu.getLastTrace());
if (cell.readInstructions.size() > historyLength) {
cell.readInstructions.remove(0);
cell.readInstructionsDisassembly.remove(0);
}
}
}
cell.value.set(e.getNewValue());
}
}
public void saveCheats(File saveFile) {
FileWriter writer = null;
try {
writer = new FileWriter(saveFile);
for (DynamicCheat cheat : cheatList) {
writer.write(cheat.serialize());
writer.write("\n");
}
writer.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
writer.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
public void loadCheats(File saveFile) {
BufferedReader in = null;
try {
in = new BufferedReader(new FileReader(saveFile));
StringBuilder guts = new StringBuilder();
String line;
while ((line = in.readLine()) != null) {
DynamicCheat cheat = DynamicCheat.deserialize(line);
addCheat(cheat);
}
in.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
in.close();
} catch (IOException ex) {
Logger.getLogger(MetaCheat.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}

56
src/main/java/jace/core/TimedDevice.java
View File

@ -21,24 +21,25 @@ package jace.core;
import jace.config.ConfigurableField;
/**
* A timed device is a device which executes so many ticks in a given time
* interval. This is the core of the emulator timing mechanics.
* A timed device is a device which executes so many ticks in a given time interval. This is the core of the emulator
* timing mechanics.
*
* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
*/
public abstract class TimedDevice extends Device {
/**
* Creates a new instance of TimedDevice
*
* @param computer
*/
public TimedDevice(Computer computer) {
super(computer);
setSpeed(cyclesPerSecond);
setSpeedInHz(cyclesPerSecond);
}
@ConfigurableField(name = "Speed", description = "(Percentage)")
public int speedRatio = 100;
public long cyclesPerSecond = defaultCyclesPerSecond();
private long cyclesPerSecond = defaultCyclesPerSecond();
@ConfigurableField(name = "Max speed")
public boolean maxspeed = false;
@ -57,10 +58,11 @@ public abstract class TimedDevice extends Device {
public boolean suspend() {
disableTempMaxSpeed();
boolean result = super.suspend();
if (worker != null && worker.isAlive()) {
Thread w = worker;
if (w != null && w.isAlive()) {
try {
worker.interrupt();
worker.join(1000);
w.interrupt();
w.join(1000);
} catch (InterruptedException ex) {
}
}
@ -114,13 +116,44 @@ public abstract class TimedDevice extends Device {
long cyclesPerInterval; // How many cycles to wait until a pause interval
long nextSync; // When was the last pause?
public final void setSpeed(long cyclesPerSecond) {
public final int getSpeedRatio() {
return speedRatio;
}
public final void setMaxSpeed(boolean enabled) {
maxspeed = enabled;
if (!enabled) {
disableTempMaxSpeed();
}
}
public final boolean isMaxSpeed() {
return maxspeed;
}
public final long getSpeedInHz() {
return cyclesPerInterval * 100L;
}
public final void setSpeedInHz(long cyclesPerSecond) {
// System.out.println("Raw set speed for " + getName() + " to " + cyclesPerSecond + "hz");
speedRatio = (int) Math.round(cyclesPerSecond * 100.0 / defaultCyclesPerSecond());
cyclesPerInterval = cyclesPerSecond / 100L;
nanosPerInterval = (long) (cyclesPerInterval * NANOS_PER_SECOND / cyclesPerSecond);
// System.out.println("Will pause " + nanosPerInterval + " nanos every " + cyclesPerInterval + " cycles");
cycleTimer = 0;
resetSyncTimer();
}
public final void setSpeedInPercentage(int ratio) {
// System.out.println("Setting " + getName() + " speed ratio to " + speedRatio);
cyclesPerSecond = defaultCyclesPerSecond() * ratio / 100;
if (cyclesPerSecond == 0) {
cyclesPerSecond = defaultCyclesPerSecond();
}
setSpeedInHz(cyclesPerSecond);
}
long skip = 0;
long wait = 0;
@ -171,11 +204,6 @@ public abstract class TimedDevice extends Device {
@Override
public void reconfigure() {
cyclesPerSecond = defaultCyclesPerSecond() * speedRatio / 100;
if (cyclesPerSecond == 0) {
cyclesPerSecond = defaultCyclesPerSecond();
}
setSpeed(cyclesPerSecond);
}
public abstract long defaultCyclesPerSecond();

77
src/main/java/jace/hardware/CardMockingboard.java
View File

@ -27,7 +27,6 @@ import jace.core.RAMEvent;
import jace.core.RAMEvent.TYPE;
import jace.core.RAMListener;
import jace.core.SoundMixer;
import static jace.core.Utility.*;
import jace.hardware.mockingboard.PSG;
import jace.hardware.mockingboard.R6522;
import java.util.concurrent.TimeUnit;
@ -80,7 +79,7 @@ public class CardMockingboard extends Card implements Runnable {
Condition playbackFinished = timerSync.newCondition();
@ConfigurableField(name = "Idle sample threshold", description = "Number of samples to wait before suspending sound")
private int MAX_IDLE_SAMPLES = SAMPLE_RATE;
@Override
public String getDeviceName() {
return "Mockingboard";
@ -90,7 +89,7 @@ public class CardMockingboard extends Card implements Runnable {
super(computer);
controllers = new R6522[2];
for (int i = 0; i < 2; i++) {
//don't ask...
// has to be final to be used inside of anonymous class below
final int j = i;
controllers[i] = new R6522(computer) {
int controller = j;
@ -131,6 +130,13 @@ public class CardMockingboard extends Card implements Runnable {
public String getShortName() {
return "timer" + j;
}
public void doTick() {
super.doTick();
if (controller == 0) {
doSoundTick();
}
}
};
}
}
@ -140,6 +146,18 @@ public class CardMockingboard extends Card implements Runnable {
suspend();
}
RAMListener mainListener = null;
boolean heatbeatUnclocked = false;
long heartbeatReclockTime = 0L;
long unclockTime = 5000L;
private void setUnclocked(boolean unclocked) {
heatbeatUnclocked = unclocked;
for (R6522 controller : controllers) {
controller.setUnclocked(unclocked);
}
heartbeatReclockTime = System.currentTimeMillis() + unclockTime;
}
@Override
protected void handleFirmwareAccess(int register, TYPE type, int value, RAMEvent e) {
@ -152,7 +170,7 @@ public class CardMockingboard extends Card implements Runnable {
chip++;
}
if (chip >= 2) {
System.err.println("Could not determine which PSG to communicate to");
System.err.println("Could not determine which PSG to communicate to for access to regsiter + " + Integer.toHexString(register));
e.setNewValue(computer.getVideo().getFloatingBus());
return;
}
@ -177,13 +195,25 @@ public class CardMockingboard extends Card implements Runnable {
@Override
public void tick() {
for (R6522 c : controllers) {
if (c == null || !c.isRunning()) {
continue;
if (heatbeatUnclocked) {
if (System.currentTimeMillis() - heartbeatReclockTime >= unclockTime) {
setUnclocked(false);
} else {
for (R6522 c : controllers) {
if (c == null || !c.isRunning()) {
continue;
}
c.doTick();
}
}
c.tick();
}
}
public boolean isRunning() {
return super.isRunning() && playbackThread != null && playbackThread.isAlive();
}
private void doSoundTick() {
if (isRunning() && !pause) {
// buildMixerTable();
timerSync.lock();
@ -194,7 +224,7 @@ public class CardMockingboard extends Card implements Runnable {
while (isRunning() && ticksSinceLastPlayback >= ticksBetweenPlayback) {
if (!playbackFinished.await(1, TimeUnit.SECONDS)) {
// gripe("The mockingboard playback thread has stalled. Disabling mockingboard.");
suspend();
suspendSound();
}
}
}
@ -263,14 +293,15 @@ public class CardMockingboard extends Card implements Runnable {
@Override
public void resume() {
pause = false;
if (!isRunning()) {
if (chips == null) {
initPSG();
for (PSG psg : chips) {
psg.setRate(phasorMode ? CLOCK_SPEED * 2 : CLOCK_SPEED, SAMPLE_RATE);
psg.reset();
}
if (chips == null) {
initPSG();
for (PSG psg : chips) {
psg.setRate(phasorMode ? CLOCK_SPEED * 2 : CLOCK_SPEED, SAMPLE_RATE);
psg.reset();
}
}
if (!isRunning()) {
setUnclocked(true);
for (R6522 controller : controllers) {
controller.attach();
controller.resume();
@ -290,6 +321,10 @@ public class CardMockingboard extends Card implements Runnable {
controller.suspend();
controller.detach();
}
return suspendSound();
}
public boolean suspendSound() {
if (playbackThread == null || !playbackThread.isAlive()) {
return false;
}
@ -325,11 +360,11 @@ public class CardMockingboard extends Card implements Runnable {
int zeroSamples = 0;
setRun(true);
LockSupport.parkNanos(5000);
while (isRunning()) {
while (isRunning() && !Thread.interrupted()) {
while (isRunning() && !computer.isRunning()) {
Thread.currentThread().yield();
Thread.sleep(1000);
}
if (isRunning()) {
if (isRunning() && !Thread.interrupted()) {
playSound(leftBuffer, rightBuffer);
int p = 0;
for (int idx = 0; idx < BUFFER_LENGTH; idx++) {
@ -394,6 +429,8 @@ public class CardMockingboard extends Card implements Runnable {
} catch (LineUnavailableException ex) {
Logger.getLogger(CardMockingboard.class
.getName()).log(Level.SEVERE, null, ex);
} catch (InterruptedException ex) {
Logger.getLogger(CardMockingboard.class.getName()).log(Level.SEVERE, null, ex);
} finally {
computer.getMotherboard().cancelSpeedRequest(this);
System.out.println("Mockingboard playback stopped");

711
src/main/java/jace/hardware/mockingboard/R6522.java
View File

@ -1,346 +1,365 @@
/*
* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jace.hardware.mockingboard;
import jace.core.Computer;
import jace.core.Device;
/**
* Implementation of 6522 VIA chip
*
* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
*/
public abstract class R6522 extends Device {
public R6522(Computer computer) {
super(computer);
timer1freerun = true;
timer1running = true;
timer1latch = 0x1fff;
timer1interruptEnabled = false;
setRun(true);
}
// 6522 VIA
// http://www.applevault.com/twiki/Main/Mockingboard/6522.pdf
// I/O registers
public static enum Register {
ORB(0), // Output Register B
ORA(1), // Output Register A
DDRB(2),// Data direction reg B
DDRA(3),// Data direction reg A
T1CL(4),// T1 low-order latches (low-order counter for read operations)
T1CH(5),// T1 high-order counter
T1LL(6),// T1 low-order latches
T1LH(7),// T1 high-order latches
T2CL(8),// T2 low-order latches (low-order counter for read operations)
T2CH(9),// T2 high-order counter
SR(10),// Shift register
ACR(11),// Aux control register
PCR(12),// Perripheral control register
IFR(13),// Interrupt flag register
IER(14),// Interrupt enable register
ORAH(15);// Output Register A (no handshake)
int val;
Register(int v) {
val = v;
}
static public Register fromInt(int i) {
for (Register r : Register.values()) {
if (r.val == i) {
return r;
}
}
return null;
}
}
// state variables
public int oraReg = 0;
public int iraReg = 0;
public int orbReg = 0;
public int irbReg = 0;
// DDRA and DDRB must be set to output for mockingboard to do anything
// Common values for this are FF for DDRA and 7 for DDRB
// DDRB bits 0-2 are used to control AY chips but bits 3-7 are not connected.
// that's why it is common to see mockingboard drivers init the port with a 7
public int dataDirectionA = 0;
public int dataDirectionB = 0;
// Though this is necessary for a complete emulation of the 6522, it isn't needed by the mockingboard
// set by bit 0 of ACR
// public boolean latchEnabledA = false;
// set by bit 1 of ACR
// public boolean latchEnabledB = false;
//Bits 2,3,4 of ACR
// static public enum ShiftRegisterControl {
// interruptDisabled(0),
// shiftInT2(4),
// shiftIn02(8),
// shiftInExt(12),
// shiftOutFree(16),
// shiftOutT2(20),
// shiftOut02(24),
// shiftOutExt(28);
//
// int val;
// private ShiftRegisterControl(int v) {
// val = v;
// }
//
// public static ShiftRegisterControl fromBits(int b) {
// b=b&28;
// for (ShiftRegisterControl s : values()) {
// if (s.val == b) return s;
// }
// return null;
// }
// }
// public ShiftRegisterControl shiftMode = ShiftRegisterControl.interruptDisabled;
// //Bit 5 of ACR (false = timed interrupt, true = count down pulses on PB6)
// public boolean t2countPulses = false;
// //Bit 6 of ACR (true = continuous, false = one-shot)
// public boolean t1continuous = false;
// //Bit 7 of ACR (true = enable PB7, false = interruptDisabled)
// public boolean t1enablePB7 = false;
// // NOTE: Mockingboard did not use PB6 or PB7, they are not connected to anything
public boolean timer1interruptEnabled = true;
public boolean timer1IRQ = false; // True if timer interrupt flag is set
public int timer1latch = 0;
public int timer1counter = 0;
public boolean timer1freerun = false;
public boolean timer1running = false;
public boolean timer2interruptEnabled = true;
public boolean timer2IRQ = false; // True if timer interrupt flag is set
public int timer2latch = 0;
public int timer2counter = 0;
public boolean timer2running = false;
@Override
protected String getDeviceName() {
return "6522 VIA Chip";
}
@Override
public void tick() {
if (timer1running) {
timer1counter--;
if (timer1counter < 0) {
timer1counter = timer1latch;
if (!timer1freerun) {
timer1running = false;
}
if (timer1interruptEnabled) {
// System.out.println("Timer 1 generated interrupt");
timer1IRQ = true;
computer.getCpu().generateInterrupt();
}
}
}
if (timer2running) {
timer2counter--;
if (timer2counter < 0) {
timer2running = false;
timer2counter = timer2latch;
if (timer2interruptEnabled) {
timer2IRQ = true;
computer.getCpu().generateInterrupt();
}
}
}
if (!timer1running && !timer2running) {
setRun(false);
}
}
@Override
public void attach() {
// Start chip
}
@Override
public void reconfigure() {
// Reset
}
public void writeRegister(int reg, int val) {
int value = val & 0x0ff;
Register r = Register.fromInt(reg);
// System.out.println("Writing "+(value&0x0ff)+" to register "+r.toString());
switch (r) {
case ORB:
if (dataDirectionB == 0) {
break;
}
sendOutputB(value & dataDirectionB);
break;
case ORA:
// case ORAH:
if (dataDirectionA == 0) {
break;
}
sendOutputA(value & dataDirectionA);
break;
case DDRB:
dataDirectionB = value;
break;
case DDRA:
dataDirectionA = value;
break;
case T1CL:
case T1LL:
timer1latch = (timer1latch & 0x0ff00) | value;
break;
case T1CH:
timer1latch = (timer1latch & 0x0ff) | (value << 8);
timer1IRQ = false;
timer1counter = timer1latch;
timer1running = true;
setRun(true);
break;
case T1LH:
timer1latch = (timer1latch & 0x0ff) | (value << 8);
timer1IRQ = false;
break;
case T2CL:
timer2latch = (timer2latch & 0x0ff00) | value;
break;
case T2CH:
timer2latch = (timer2latch & 0x0ff) | (value << 8);
timer2IRQ = false;
timer2counter = timer2latch;
timer2running = true;
setRun(true);
break;
case SR:
// SHIFT REGISTER NOT IMPLEMENTED
break;
case ACR:
// SHIFT REGISTER NOT IMPLEMENTED
timer1freerun = (value & 64) != 0;
if (timer1freerun) {
timer1running = true;
setRun(true);
}
break;
case PCR:
// TODO: Implement if Votrax (SSI) is to be supported
break;
case IFR:
if ((value & 64) != 0) {
timer1IRQ = false;
}
if ((value & 32) != 0) {
timer2IRQ = false;
}
break;
case IER:
boolean enable = (value & 128) != 0;
if ((value & 64) != 0) {
timer1interruptEnabled = enable;
}
if ((value & 32) != 0) {
timer2interruptEnabled = enable;
}
break;
default:
}
}
// Whatever uses 6522 will want to know when it is outputting values
// So to hook that in, these abstract methods will be defined as appropriate
public abstract void sendOutputA(int value);
public abstract void sendOutputB(int value);
public int readRegister(int reg) {
Register r = Register.fromInt(reg);
// System.out.println("Reading register "+r.toString());
switch (r) {
case ORB:
if (dataDirectionB == 0x0ff) {
break;
}
return receiveOutputB() & (dataDirectionB ^ 0x0ff);
case ORA:
case ORAH:
if (dataDirectionA == 0x0ff) {
break;
}
return receiveOutputA() & (dataDirectionA ^ 0x0ff);
case DDRB:
return dataDirectionB;
case DDRA:
return dataDirectionA;
case T1CL:
timer1IRQ = false;
return timer1counter & 0x0ff;
case T1CH:
return (timer1counter & 0x0ff00) >> 8;
case T1LL:
return timer1latch & 0x0ff;
case T1LH:
return (timer1latch & 0x0ff00) >> 8;
case T2CL:
timer2IRQ = false;
return timer2counter & 0x0ff;
case T2CH:
return (timer2counter & 0x0ff00) >> 8;
case SR:
// SHIFT REGISTER NOT IMPLEMENTED
return 0;
case ACR:
// SHIFT REGISTER NOT IMPLEMENTED
if (timer1freerun) {
return 64;
}
return 0;
case PCR:
break;
case IFR:
int val = 0;
if (timer1IRQ) {
val |= 64;
}
if (timer2IRQ) {
val |= 32;
}
if (val != 0) {
val |= 128;
}
return val;
case IER:
val = 128;
if (timer1interruptEnabled) {
val |= 64;
}
if (timer2interruptEnabled) {
val |= 32;
}
return val;
}
return 0;
}
public abstract int receiveOutputA();
public abstract int receiveOutputB();
}
/*
* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jace.hardware.mockingboard;
import jace.core.Computer;
import jace.core.Device;
import jace.core.TimedDevice;
/**
* Implementation of 6522 VIA chip
*
* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
*/
public abstract class R6522 extends TimedDevice {
public static long SPEED = 1020484L; // (NTSC)
public R6522(Computer computer) {
super(computer);
timer1freerun = true;
timer1running = true;
timer1latch = 0x1fff;
timer1interruptEnabled = false;
setSpeedInHz(SPEED);
setRun(true);
}
@Override
public long defaultCyclesPerSecond() {
return SPEED;
}
// 6522 VIA
// http://www.applevault.com/twiki/Main/Mockingboard/6522.pdf
// I/O registers
public static enum Register {
ORB(0), // Output Register B
ORA(1), // Output Register A
DDRB(2),// Data direction reg B
DDRA(3),// Data direction reg A
T1CL(4),// T1 low-order latches (low-order counter for read operations)
T1CH(5),// T1 high-order counter
T1LL(6),// T1 low-order latches
T1LH(7),// T1 high-order latches
T2CL(8),// T2 low-order latches (low-order counter for read operations)
T2CH(9),// T2 high-order counter
SR(10),// Shift register
ACR(11),// Aux control register
PCR(12),// Perripheral control register
IFR(13),// Interrupt flag register
IER(14),// Interrupt enable register
ORAH(15);// Output Register A (no handshake)
int val;
Register(int v) {
val = v;
}
static public Register fromInt(int i) {
for (Register r : Register.values()) {
if (r.val == i) {
return r;
}
}
return null;
}
}
// state variables
public int oraReg = 0;
public int iraReg = 0;
public int orbReg = 0;
public int irbReg = 0;
// DDRA and DDRB must be set to output for mockingboard to do anything
// Common values for this are FF for DDRA and 7 for DDRB
// DDRB bits 0-2 are used to control AY chips but bits 3-7 are not connected.
// that's why it is common to see mockingboard drivers init the port with a 7
public int dataDirectionA = 0;
public int dataDirectionB = 0;
// Though this is necessary for a complete emulation of the 6522, it isn't needed by the mockingboard
// set by bit 0 of ACR
// public boolean latchEnabledA = false;
// set by bit 1 of ACR
// public boolean latchEnabledB = false;
//Bits 2,3,4 of ACR
// static public enum ShiftRegisterControl {
// interruptDisabled(0),
// shiftInT2(4),
// shiftIn02(8),
// shiftInExt(12),
// shiftOutFree(16),
// shiftOutT2(20),
// shiftOut02(24),
// shiftOutExt(28);
//
// int val;
// private ShiftRegisterControl(int v) {
// val = v;
// }
//
// public static ShiftRegisterControl fromBits(int b) {
// b=b&28;
// for (ShiftRegisterControl s : values()) {
// if (s.val == b) return s;
// }
// return null;
// }
// }
// public ShiftRegisterControl shiftMode = ShiftRegisterControl.interruptDisabled;
// //Bit 5 of ACR (false = timed interrupt, true = count down pulses on PB6)
// public boolean t2countPulses = false;
// //Bit 6 of ACR (true = continuous, false = one-shot)
// public boolean t1continuous = false;
// //Bit 7 of ACR (true = enable PB7, false = interruptDisabled)
// public boolean t1enablePB7 = false;
// // NOTE: Mockingboard did not use PB6 or PB7, they are not connected to anything
public boolean timer1interruptEnabled = true;
public boolean timer1IRQ = false; // True if timer interrupt flag is set
public int timer1latch = 0;
public int timer1counter = 0;
public boolean timer1freerun = false;
public boolean timer1running = false;
public boolean timer2interruptEnabled = true;
public boolean timer2IRQ = false; // True if timer interrupt flag is set
public int timer2latch = 0;
public int timer2counter = 0;
public boolean timer2running = false;
public boolean unclocked = false;
@Override
protected String getDeviceName() {
return "6522 VIA Chip";
}
@Override
public void tick() {
if (!unclocked) {
doTick();
}
}
public void setUnclocked(boolean unclocked) {
this.unclocked = unclocked;
}
public void doTick() {
if (timer1running) {
timer1counter--;
if (timer1counter < 0) {
timer1counter = timer1latch;
if (!timer1freerun) {
timer1running = false;
}
if (timer1interruptEnabled) {
// System.out.println("Timer 1 generated interrupt");
timer1IRQ = true;
computer.getCpu().generateInterrupt();
}
}
}
if (timer2running) {
timer2counter--;
if (timer2counter < 0) {
timer2running = false;
timer2counter = timer2latch;
if (timer2interruptEnabled) {
timer2IRQ = true;
computer.getCpu().generateInterrupt();
}
}
}
if (!timer1running && !timer2running) {
setRun(false);
}
}
@Override
public void attach() {
// Start chip
}
@Override
public void reconfigure() {
// Reset
}
public void writeRegister(int reg, int val) {
int value = val & 0x0ff;
Register r = Register.fromInt(reg);
// System.out.println("Writing "+(value&0x0ff)+" to register "+r.toString());
switch (r) {
case ORB:
if (dataDirectionB == 0) {
break;
}
sendOutputB(value & dataDirectionB);
break;
case ORA:
// case ORAH:
if (dataDirectionA == 0) {
break;
}
sendOutputA(value & dataDirectionA);
break;
case DDRB:
dataDirectionB = value;
break;
case DDRA:
dataDirectionA = value;
break;
case T1CL:
case T1LL:
timer1latch = (timer1latch & 0x0ff00) | value;
break;
case T1CH:
timer1latch = (timer1latch & 0x0ff) | (value << 8);
timer1IRQ = false;
timer1counter = timer1latch;
timer1running = true;
setRun(true);
break;
case T1LH:
timer1latch = (timer1latch & 0x0ff) | (value << 8);
timer1IRQ = false;
break;
case T2CL:
timer2latch = (timer2latch & 0x0ff00) | value;
break;
case T2CH:
timer2latch = (timer2latch & 0x0ff) | (value << 8);
timer2IRQ = false;
timer2counter = timer2latch;
timer2running = true;
setRun(true);
break;
case SR:
// SHIFT REGISTER NOT IMPLEMENTED
break;
case ACR:
// SHIFT REGISTER NOT IMPLEMENTED
timer1freerun = (value & 64) != 0;
if (timer1freerun) {
timer1running = true;
setRun(true);
}
break;
case PCR:
// TODO: Implement if Votrax (SSI) is to be supported
break;
case IFR:
if ((value & 64) != 0) {
timer1IRQ = false;
}
if ((value & 32) != 0) {
timer2IRQ = false;
}
break;
case IER:
boolean enable = (value & 128) != 0;
if ((value & 64) != 0) {
timer1interruptEnabled = enable;
}
if ((value & 32) != 0) {
timer2interruptEnabled = enable;
}
break;
default:
}
}
// Whatever uses 6522 will want to know when it is outputting values
// So to hook that in, these abstract methods will be defined as appropriate
public abstract void sendOutputA(int value);
public abstract void sendOutputB(int value);
public int readRegister(int reg) {
Register r = Register.fromInt(reg);
// System.out.println("Reading register "+r.toString());
switch (r) {
case ORB:
if (dataDirectionB == 0x0ff) {
break;
}
return receiveOutputB() & (dataDirectionB ^ 0x0ff);
case ORA:
case ORAH:
if (dataDirectionA == 0x0ff) {
break;
}
return receiveOutputA() & (dataDirectionA ^ 0x0ff);
case DDRB:
return dataDirectionB;
case DDRA:
return dataDirectionA;
case T1CL:
timer1IRQ = false;
return timer1counter & 0x0ff;
case T1CH:
return (timer1counter & 0x0ff00) >> 8;
case T1LL:
return timer1latch & 0x0ff;
case T1LH:
return (timer1latch & 0x0ff00) >> 8;
case T2CL:
timer2IRQ = false;
return timer2counter & 0x0ff;
case T2CH:
return (timer2counter & 0x0ff00) >> 8;
case SR:
// SHIFT REGISTER NOT IMPLEMENTED
return 0;
case ACR:
// SHIFT REGISTER NOT IMPLEMENTED
if (timer1freerun) {
return 64;
}
return 0;
case PCR:
break;
case IFR:
int val = 0;
if (timer1IRQ) {
val |= 64;
}
if (timer2IRQ) {
val |= 32;
}
if (val != 0) {
val |= 128;
}
return val;
case IER:
val = 128;
if (timer1interruptEnabled) {
val |= 64;
}
if (timer2interruptEnabled) {
val |= 32;
}
return val;
}
return 0;
}
public abstract int receiveOutputA();
public abstract int receiveOutputB();
}