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iorwf
| Author | SHA1 | Date | |
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34f9d4b9d5 |
@@ -1,40 +1,23 @@
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package de.darkress.pic16f84sim;
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package de.darkress.pic16f84sim;
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import de.darkress.pic16f84sim.cli.Cli;
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import de.darkress.pic16f84sim.commands.Command;
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import de.darkress.pic16f84sim.commands.Command;
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import de.darkress.pic16f84sim.decoder.CommandDecoder;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.Watchdog;
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import de.darkress.pic16f84sim.parser.Parser;
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import java.util.Scanner;
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import java.util.ArrayList;
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class Main
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class Main
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{
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{
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public static void main(String[] args) {
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public static void main(String[] args) {
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Command[] program = Parser.parser("de/darkress/pic16f84sim/TestPrograms/TPicSim8.LST");
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ArrayList<Command> program = new ArrayList<>();
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Memory.workingRegister = 0B11001100;
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Memory.initMemory();
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Memory.setRegister(0x14, 0B11110000);
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program.add(CommandDecoder.decode(0x0414));
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while(ProgramCounter.getPc() < 1024)
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for(int i = 0; i < program.size(); i++)
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{
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{
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if((Memory.getRegister(0x03) & 0x10) == 0x00) { // Checking WDT in Status Register
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program.get(ProgramCounter.getPc()).execute();
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System.out.println("Resetting device");
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Watchdog.resetProgram();
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}
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String[] instructionName = program[ProgramCounter.getPc()].getClass().toString().split("\\.");
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System.out.println("Command: " + instructionName[instructionName.length -1]);
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program[ProgramCounter.getPc()].execute();
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Cli.showDefaultRegisters();
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askForInput();
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}
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}
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}
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}
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private static void askForInput() {
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System.out.println("Wanna give some more input?:");
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Scanner scanner = new Scanner(System.in);
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String userInput = scanner.nextLine();
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if(!(userInput.equals(""))) askForInput();
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}
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}
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}
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@@ -1,42 +0,0 @@
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package de.darkress.pic16f84sim.cli;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Stack;
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import de.darkress.pic16f84sim.microcontroller.Timer;
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public class Cli
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{
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public static void showDefaultRegisters() {
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printf(Memory.workingRegister, "W-Reg", true);
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printf(Cycles.getCycles(), "Cycles", false);
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System.out.printf("%n");
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printf(Memory.getRegister(0x03), "Status", true);
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printf(Memory.getOption(), "Option", true);
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System.out.printf("%n");
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printf(Memory.getFSR(), "FSR", true);
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printf(Stack.getStackPointer(), "Stackpointer", true);
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System.out.printf("%n");
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printf(Memory.getTimer(), "Timer", true);
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printf(Timer.getCyclesToTimerIncrease(), "Prescaler", true);
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System.out.printf("%n");
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printf(Memory.getPCLATH(), "PCLATH", true);
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printf(Memory.getPCL(), "PCL", true);
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System.out.printf("%n");
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System.out.printf("%s:\t\t%s\t", "PortA", Integer.toBinaryString(Memory.getPortA()));
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System.out.printf("%s:\t\t%s\t", "PortB", Integer.toBinaryString(Memory.getPortB()));
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System.out.printf("%n");
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printf(Memory.getRegister(0x0B), "IntCon", true);
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System.out.printf("%n");
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}
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private static void printf(int value, String description, boolean hex) {
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if(hex) {
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System.out.printf("%s:\t\t%s\t", description, Integer.toHexString(value));
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} else {
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System.out.printf("%s:\t\t%d\t", description, value);
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}
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}
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}
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@@ -1,6 +1,5 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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@@ -16,8 +15,6 @@ public class Addlw extends LiteralCommandUtils implements Command
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@Override
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@Override
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public void execute()
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public void execute()
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{
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = literal + Memory.workingRegister;
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int result = literal + Memory.workingRegister;
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checkZeroBit(result);
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checkZeroBit(result);
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@@ -25,5 +22,6 @@ public class Addlw extends LiteralCommandUtils implements Command
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checkDigitCarryBit(literal);
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checkDigitCarryBit(literal);
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Memory.workingRegister = result % 256;
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Memory.workingRegister = result % 256;
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ProgramCounter.incPC();
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}
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}
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}
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}
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@@ -1,6 +1,5 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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@@ -18,8 +17,6 @@ public class Addwf extends FileRegisterCommandUtils implements Command
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@Override
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@Override
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public void execute()
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public void execute()
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{
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address) + Memory.workingRegister;
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int result = Memory.getRegister(address) + Memory.workingRegister;
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checkZeroBit(result);
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checkZeroBit(result);
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@@ -27,5 +24,6 @@ public class Addwf extends FileRegisterCommandUtils implements Command
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checkDigitCarryBit(address);
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checkDigitCarryBit(address);
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writeToDestination(destinationBit, address, result);
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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}
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}
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}
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}
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@@ -1,8 +1,6 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Andlw extends LiteralCommandUtils implements Command
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public class Andlw extends LiteralCommandUtils implements Command
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{
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{
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@@ -15,8 +13,6 @@ public class Andlw extends LiteralCommandUtils implements Command
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@Override
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@Override
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public void execute()
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public void execute()
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{
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = literal & Memory.workingRegister;
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int result = literal & Memory.workingRegister;
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checkZeroBit(result);
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checkZeroBit(result);
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@@ -1,6 +1,5 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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@@ -18,12 +17,11 @@ public class Andwf extends FileRegisterCommandUtils implements Command
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@Override
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@Override
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public void execute()
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public void execute()
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{
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address) & Memory.workingRegister;
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int result = Memory.getRegister(address) & Memory.workingRegister;
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checkZeroBit(result);
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result);
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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}
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}
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}
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}
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@@ -1,28 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Bcf extends BitOrientedCommandUtils implements Command
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{
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private final int address;
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private int bitPlacement;
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public Bcf(int input)
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{
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address = input & 0x007F;
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bitPlacement = checkBitPlacement(input);
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}
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@Override
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public void execute()
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address);
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result &= ~(1 << bitPlacement); //Mask n-th bit with 0
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Memory.setRegister(address, result);
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}
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}
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@@ -1,11 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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public class BitOrientedCommandUtils
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{
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protected int checkBitPlacement(int input)
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{
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return ((input & 0x0380) >>7);
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}
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}
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@@ -1,28 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Bsf extends BitOrientedCommandUtils implements Command
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{
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private final int address;
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private int bitPlacement;
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public Bsf(int input)
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{
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address = input & 0x007F;
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bitPlacement = checkBitPlacement(input);
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}
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@Override
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public void execute()
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address);
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result |= (1 << bitPlacement);
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Memory.setRegister(address, result);
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}
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}
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@@ -1,31 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Btfsc extends BitOrientedCommandUtils implements Command
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{
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private final int address;
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private int bitPlacement;
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public Btfsc(int input)
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{
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address = input & 0x007F;
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bitPlacement = checkBitPlacement(input);
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}
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@Override
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public void execute()
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address);
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if((result & (1 << bitPlacement)) == 0) //Test if bit is clear
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{
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Nop nop = new Nop();
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nop.execute();
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}
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}
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}
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@@ -1,31 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Btfss extends BitOrientedCommandUtils implements Command
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{
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private final int address;
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private int bitPlacement;
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public Btfss(int input)
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{
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address = input & 0x007F;
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bitPlacement = checkBitPlacement(input);
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}
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@Override
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public void execute()
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{
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ProgramCounter.incPC();
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Cycles.incCycles();
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int result = Memory.getRegister(address);
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if((result & (1 << bitPlacement)) > 0) //Test if bit is set
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{
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Nop nop = new Nop();
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nop.execute();
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}
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}
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}
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@@ -1,6 +1,5 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.Stack;
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import de.darkress.pic16f84sim.microcontroller.Stack;
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@@ -16,9 +15,7 @@ public class Call extends LiteralCommandUtils implements Command
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@Override
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@Override
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public void execute()
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public void execute()
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{
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{
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Cycles.incCycles();
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Stack.push(ProgramCounter.getPc() + 1);
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Stack.push(ProgramCounter.getPc() + 1);
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ProgramCounter.setPcFrom11BitLiteral(literal);
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ProgramCounter.setPcFrom11BitLiteral(literal);
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Cycles.incCycles(); //Simulate nop and 2-Cycle instruction
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}
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}
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}
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}
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@@ -1,6 +1,6 @@
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package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Clrf extends FileRegisterCommandUtils implements Command
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public class Clrf extends FileRegisterCommandUtils implements Command
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@@ -17,12 +17,11 @@ public class Clrf extends FileRegisterCommandUtils implements Command
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@Override
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@Override
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||||||
public void execute()
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public void execute()
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||||||
{
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{
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||||||
ProgramCounter.incPC();
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||||||
Cycles.incCycles();
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final int result = 0;
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final int result = 0;
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||||||
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checkZeroBit(result);
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result);
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writeToDestination(destinationBit, address, result);
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||||||
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ProgramCounter.incPC();
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||||||
}
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}
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||||||
}
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}
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|||||||
@@ -1,6 +1,5 @@
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|||||||
package de.darkress.pic16f84sim.commands;
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package de.darkress.pic16f84sim.commands;
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||||||
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|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
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|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
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import de.darkress.pic16f84sim.microcontroller.Memory;
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||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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||||||
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|
||||||
@@ -9,12 +8,11 @@ public class Clrw extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
final int result = 0;
|
final int result = 0;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|
||||||
Memory.workingRegister = result;
|
Memory.workingRegister = result;
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,24 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.*;
|
|
||||||
|
|
||||||
public class Clrwdt extends LiteralCommandUtils implements Command
|
|
||||||
{
|
|
||||||
|
|
||||||
public Clrwdt()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
|
|
||||||
Memory.setRegister(0x03, Memory.getRegister(0x03) | 0x18);
|
|
||||||
if(Timer.getPrescalerAssignment()) {
|
|
||||||
Timer.resetTimeToTimerIncrease();
|
|
||||||
Watchdog.resetWatchdogTimer();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,12 +17,11 @@ public class Comf extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = 255 - Memory.getRegister(address); // Get inverse of 8Bit value
|
int result = 255 - Memory.getRegister(address); // Get inverse of 8Bit value
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
writeToDestination(destinationBit, address, result);
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,12 +17,11 @@ public class Decf extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) + 255; // Allow underflow
|
int result = Memory.getRegister(address) + 255; // Allow underflow
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result % 256); // Catch underflow
|
writeToDestination(destinationBit, address, result % 256); // Catch underflow
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,8 +17,6 @@ public class Decfsz extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) + 255; // Allow underflow
|
int result = Memory.getRegister(address) + 255; // Allow underflow
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
@@ -31,5 +28,6 @@ public class Decfsz extends FileRegisterCommandUtils implements Command
|
|||||||
Nop nop = new Nop();
|
Nop nop = new Nop();
|
||||||
nop.execute();
|
nop.execute();
|
||||||
}
|
}
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
public class Goto extends LiteralCommandUtils implements Command
|
public class Goto extends LiteralCommandUtils implements Command
|
||||||
@@ -15,8 +14,6 @@ public class Goto extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
Cycles.incCycles();
|
|
||||||
ProgramCounter.setPcFrom11BitLiteral(literal);
|
ProgramCounter.setPcFrom11BitLiteral(literal);
|
||||||
Cycles.incCycles();
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,12 +17,11 @@ public class Incf extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) + 1; // Allow underflow
|
int result = Memory.getRegister(address) + 1; // Allow underflow
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result % 256); // Catch underflow
|
writeToDestination(destinationBit, address, result % 256); // Catch underflow
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,8 +17,6 @@ public class Incfsz extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) + 1;
|
int result = Memory.getRegister(address) + 1;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
@@ -31,5 +28,6 @@ public class Incfsz extends FileRegisterCommandUtils implements Command
|
|||||||
Nop nop = new Nop();
|
Nop nop = new Nop();
|
||||||
nop.execute();
|
nop.execute();
|
||||||
}
|
}
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,8 +1,6 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Iorlw extends LiteralCommandUtils implements Command
|
public class Iorlw extends LiteralCommandUtils implements Command
|
||||||
{
|
{
|
||||||
@@ -15,8 +13,6 @@ public class Iorlw extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = literal | Memory.workingRegister;
|
int result = literal | Memory.workingRegister;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -18,12 +17,11 @@ public class Iorwf extends FileRegisterCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) | Memory.workingRegister;
|
int result = Memory.getRegister(address) | Memory.workingRegister;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
writeToDestination(destinationBit, address, result);
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,29 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Movf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Movf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address);
|
|
||||||
|
|
||||||
checkZeroBit(result);
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
@@ -16,8 +15,7 @@ public class Movlw extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
Memory.workingRegister = literal;
|
Memory.workingRegister = literal;
|
||||||
|
ProgramCounter.incPC();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,27 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Movwf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Movwf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.workingRegister;
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
|
|
||||||
public class Nop extends LiteralCommandUtils implements Command
|
public class Nop extends LiteralCommandUtils implements Command
|
||||||
@@ -11,6 +10,5 @@ public class Nop extends LiteralCommandUtils implements Command
|
|||||||
{
|
{
|
||||||
// Do nothing, just increment the PC
|
// Do nothing, just increment the PC
|
||||||
ProgramCounter.incPC();
|
ProgramCounter.incPC();
|
||||||
Cycles.incCycles();
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,18 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Stack;
|
|
||||||
|
|
||||||
public class Retfie extends LiteralCommandUtils implements Command
|
|
||||||
{
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
Cycles.incCycles();
|
|
||||||
Memory.setRegister(0x0B, Memory.getRegister(0x0B) | 0x80); //Set GIE
|
|
||||||
ProgramCounter.setPcFromStack(Stack.pop() + 1);
|
|
||||||
Cycles.incCycles(); // Simulate 2-Cycle Instruction
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
import de.darkress.pic16f84sim.microcontroller.Stack;
|
import de.darkress.pic16f84sim.microcontroller.Stack;
|
||||||
@@ -17,9 +16,7 @@ public class Retlw extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
Cycles.incCycles();
|
|
||||||
Memory.workingRegister = literal;
|
Memory.workingRegister = literal;
|
||||||
ProgramCounter.setPcFromStack(Stack.pop());
|
ProgramCounter.setPcFromStack(Stack.pop());
|
||||||
Cycles.incCycles(); // Simulate 2-Cycle Instruction
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,6 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
||||||
import de.darkress.pic16f84sim.microcontroller.Stack;
|
import de.darkress.pic16f84sim.microcontroller.Stack;
|
||||||
|
|
||||||
@@ -9,8 +8,6 @@ public class Return extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
Cycles.incCycles();
|
|
||||||
ProgramCounter.setPcFromStack(Stack.pop());
|
ProgramCounter.setPcFromStack(Stack.pop());
|
||||||
Cycles.incCycles(); // Simulate 2-Cycle Instruction
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -1,37 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Rlf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Rlf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int register = Memory.getRegister(address);
|
|
||||||
int newCarry = register >>7;
|
|
||||||
int oldCarry = Memory.getCarryBit();
|
|
||||||
register = ((register <<1) + oldCarry) & 0xFF;
|
|
||||||
|
|
||||||
if(newCarry == 1)
|
|
||||||
{
|
|
||||||
Memory.setCarryBit();
|
|
||||||
} else if(newCarry == 0){
|
|
||||||
Memory.clearCarryBit();
|
|
||||||
}
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, register);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,37 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Rrf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Rrf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int register = Memory.getRegister(address);
|
|
||||||
int newCarry = register & 0x01;
|
|
||||||
int oldCarry = Memory.getCarryBit();
|
|
||||||
register = (oldCarry << 7) + (register >>1);
|
|
||||||
|
|
||||||
if(newCarry == 1)
|
|
||||||
{
|
|
||||||
Memory.setCarryBit();
|
|
||||||
} else if(newCarry == 0){
|
|
||||||
Memory.clearCarryBit();
|
|
||||||
}
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, register);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,8 +1,6 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Sublw extends LiteralCommandUtils implements Command
|
public class Sublw extends LiteralCommandUtils implements Command
|
||||||
{
|
{
|
||||||
@@ -36,8 +34,6 @@ public class Sublw extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = literal - Memory.workingRegister + 256;
|
int result = literal - Memory.workingRegister + 256;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|||||||
@@ -1,51 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Subwf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Subwf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
protected void checkCarryBit(int result)
|
|
||||||
{
|
|
||||||
if(result <= 255){
|
|
||||||
Memory.clearCarryBit();
|
|
||||||
} else{
|
|
||||||
Memory.setCarryBit();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
protected void checkDigitCarryBit(int literal)
|
|
||||||
{
|
|
||||||
if(((literal & 0x0F) - (Memory.workingRegister & 0x0F)) < 0){
|
|
||||||
Memory.clearDigitCarryBit();
|
|
||||||
} else{
|
|
||||||
Memory.setDigitCarryBit();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) - Memory.workingRegister + 256;
|
|
||||||
|
|
||||||
checkZeroBit(result);
|
|
||||||
checkCarryBit(result);
|
|
||||||
checkDigitCarryBit(Memory.getRegister(address));
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result % 256);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,29 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Swapf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Swapf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = (Memory.getRegister(address) <<4) & 0xF0;
|
|
||||||
int tmp = Memory.getRegister(address) >>4;
|
|
||||||
result += tmp;
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,8 +1,6 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
package de.darkress.pic16f84sim.commands;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
import de.darkress.pic16f84sim.microcontroller.Memory;
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Xorlw extends LiteralCommandUtils implements Command
|
public class Xorlw extends LiteralCommandUtils implements Command
|
||||||
{
|
{
|
||||||
@@ -15,8 +13,6 @@ public class Xorlw extends LiteralCommandUtils implements Command
|
|||||||
@Override
|
@Override
|
||||||
public void execute()
|
public void execute()
|
||||||
{
|
{
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = literal ^ Memory.workingRegister;
|
int result = literal ^ Memory.workingRegister;
|
||||||
|
|
||||||
checkZeroBit(result);
|
checkZeroBit(result);
|
||||||
|
|||||||
@@ -1,29 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.commands;
|
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.Memory;
|
|
||||||
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
|
|
||||||
|
|
||||||
public class Xorwf extends FileRegisterCommandUtils implements Command
|
|
||||||
{
|
|
||||||
private final int address;
|
|
||||||
private final boolean destinationBit;
|
|
||||||
|
|
||||||
public Xorwf(int input)
|
|
||||||
{
|
|
||||||
address = input & 0x007F;
|
|
||||||
destinationBit = checkDestinationBit(input);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void execute()
|
|
||||||
{
|
|
||||||
ProgramCounter.incPC();
|
|
||||||
Cycles.incCycles();
|
|
||||||
int result = Memory.getRegister(address) ^ Memory.workingRegister;
|
|
||||||
|
|
||||||
checkZeroBit(result);
|
|
||||||
|
|
||||||
writeToDestination(destinationBit, address, result);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -25,17 +25,23 @@ public class CommandDecoder
|
|||||||
case 0x400:
|
case 0x400:
|
||||||
return new Iorwf(input);
|
return new Iorwf(input);
|
||||||
case 0x800:
|
case 0x800:
|
||||||
return new Movf(input);
|
//movf();
|
||||||
|
break;
|
||||||
case 0xD00:
|
case 0xD00:
|
||||||
return new Rlf(input);
|
//rlf();
|
||||||
|
break;
|
||||||
case 0xC00:
|
case 0xC00:
|
||||||
return new Rrf(input);
|
//rrf();
|
||||||
|
break;
|
||||||
case 0x200:
|
case 0x200:
|
||||||
return new Subwf(input);
|
//subwf();
|
||||||
|
break;
|
||||||
case 0xE00:
|
case 0xE00:
|
||||||
return new Swapf(input);
|
//swapf();
|
||||||
|
break;
|
||||||
case 0x600:
|
case 0x600:
|
||||||
return new Xorwf(input);
|
//xorwf();
|
||||||
|
break;
|
||||||
case 0x3900:
|
case 0x3900:
|
||||||
return new Andlw(input);
|
return new Andlw(input);
|
||||||
case 0x3800:
|
case 0x3800:
|
||||||
@@ -51,25 +57,32 @@ public class CommandDecoder
|
|||||||
case 0x100:
|
case 0x100:
|
||||||
return new Clrw();
|
return new Clrw();
|
||||||
case 0x80:
|
case 0x80:
|
||||||
return new Movwf(input);
|
//movwf();
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
switch(input & 0x3C00)
|
switch(input & 0x3C00)
|
||||||
{
|
{
|
||||||
case 0x1000:
|
case 0x1000:
|
||||||
return new Bcf(input);
|
//bcf();
|
||||||
|
break;
|
||||||
case 0x1400:
|
case 0x1400:
|
||||||
return new Bsf(input);
|
//bsf();
|
||||||
|
break;
|
||||||
case 0x1800:
|
case 0x1800:
|
||||||
return new Btfsc(input);
|
//btfsc();
|
||||||
|
break;
|
||||||
case 0x1C00:
|
case 0x1C00:
|
||||||
return new Btfss(input);
|
//btfss();
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
switch(input & 0x3E00)
|
switch(input & 0x3E00)
|
||||||
{
|
{
|
||||||
case 0x3E00:
|
case 0x3E00:
|
||||||
|
//addlw();
|
||||||
return new Addlw(input);
|
return new Addlw(input);
|
||||||
|
//break;
|
||||||
case 0x3C00:
|
case 0x3C00:
|
||||||
return new Sublw(input);
|
return new Sublw(input);
|
||||||
}
|
}
|
||||||
@@ -97,12 +110,12 @@ public class CommandDecoder
|
|||||||
|
|
||||||
if (input == 0x0064)
|
if (input == 0x0064)
|
||||||
{
|
{
|
||||||
return new Clrwdt();
|
//clrwdt();
|
||||||
}
|
}
|
||||||
|
|
||||||
if (input == 0x0009)
|
if (input == 0x0009)
|
||||||
{
|
{
|
||||||
return new Retfie();
|
//retfie();
|
||||||
}
|
}
|
||||||
|
|
||||||
if (input == 0x0008)
|
if (input == 0x0008)
|
||||||
|
|||||||
@@ -1,15 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.microcontroller;
|
|
||||||
|
|
||||||
public class Cycles {
|
|
||||||
private static int cycles = 0;
|
|
||||||
|
|
||||||
public static void incCycles()
|
|
||||||
{
|
|
||||||
Timer.decreasePrescaler();
|
|
||||||
cycles++;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static int getCycles() {
|
|
||||||
return cycles;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,13 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.microcontroller;
|
|
||||||
|
|
||||||
public class Interrupt
|
|
||||||
{
|
|
||||||
private static boolean globalInterruptEnabled() {
|
|
||||||
return (Memory.getRegister(0x0B) & 0x80) == 0x80; // Check GIE
|
|
||||||
|
|
||||||
}
|
|
||||||
public static boolean checkTimerInterruptConditions() {
|
|
||||||
boolean timerInterruptEnabled = (Memory.getRegister(0x0B) & 0x20) == 0x20;
|
|
||||||
return globalInterruptEnabled() && timerInterruptEnabled;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -4,13 +4,6 @@ import java.util.Arrays;
|
|||||||
|
|
||||||
public class Memory
|
public class Memory
|
||||||
{
|
{
|
||||||
public static void initMemory()
|
|
||||||
{
|
|
||||||
Memory.memory[0x81] = 0xFF; //Option
|
|
||||||
Memory.memory[0x85] = 0x1F; //TrisA
|
|
||||||
Memory.memory[0x86] = 0xFF; //TrisB
|
|
||||||
Memory.setRegister(0x03, 0x18); //Status
|
|
||||||
}
|
|
||||||
private static final int MEMORY_SIZE = 0xFF; //Addressable Memory
|
private static final int MEMORY_SIZE = 0xFF; //Addressable Memory
|
||||||
public static int workingRegister = 0;
|
public static int workingRegister = 0;
|
||||||
private static final int[] memory = new int[MEMORY_SIZE];
|
private static final int[] memory = new int[MEMORY_SIZE];
|
||||||
@@ -54,20 +47,12 @@ public class Memory
|
|||||||
setDataFromIndirectAddress(indirectAddress, data);
|
setDataFromIndirectAddress(indirectAddress, data);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
if(address == 0x01 && !Timer.getPrescalerAssignment()) //Reset PrescalerCounter if change on Option or Timer
|
|
||||||
// Register
|
|
||||||
{
|
|
||||||
Timer.resetTimeToTimerIncrease();
|
|
||||||
Timer.setCyclesToTimerIncrease(Timer.getCyclesToTimerIncrease() - 1); //Decrease by one to account for
|
|
||||||
// this command execution
|
|
||||||
}
|
|
||||||
if((Arrays.stream(bank0UniqueSpecialRegister).anyMatch(x -> x == address)) && getRegisterBank() == 0)
|
if((Arrays.stream(bank0UniqueSpecialRegister).anyMatch(x -> x == address)) && getRegisterBank() == 0)
|
||||||
{
|
{
|
||||||
memory[address] = data;
|
memory[address] = data;
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
if((Arrays.stream(bank0UniqueSpecialRegister).anyMatch(x -> x == address)) && getRegisterBank() == 1) //bank0
|
if((Arrays.stream(bank1UniqueSpecialRegister).anyMatch(x -> x == address)) && getRegisterBank() == 1)
|
||||||
// because of 7 Bit address
|
|
||||||
{
|
{
|
||||||
memory[address + 128] = data;
|
memory[address + 128] = data;
|
||||||
return;
|
return;
|
||||||
@@ -87,12 +72,6 @@ public class Memory
|
|||||||
|
|
||||||
private static void setDataFromIndirectAddress(int address, int data)
|
private static void setDataFromIndirectAddress(int address, int data)
|
||||||
{
|
{
|
||||||
if((address == 0x81 || address == 0x01) && !Timer.getPrescalerAssignment()) //Reset PrescalerCounter if change on Option or Timer Register
|
|
||||||
{
|
|
||||||
Timer.resetTimeToTimerIncrease();
|
|
||||||
Timer.setCyclesToTimerIncrease(Timer.getCyclesToTimerIncrease() - 1); //Decrease by one to account for
|
|
||||||
// this command execution
|
|
||||||
}
|
|
||||||
if((Arrays.stream(bank0UniqueSpecialRegister).anyMatch(x -> x == address)) || (Arrays.stream(bank1UniqueSpecialRegister).anyMatch(x -> x == address)))
|
if((Arrays.stream(bank0UniqueSpecialRegister).anyMatch(x -> x == address)) || (Arrays.stream(bank1UniqueSpecialRegister).anyMatch(x -> x == address)))
|
||||||
{
|
{
|
||||||
memory[address] = data;
|
memory[address] = data;
|
||||||
@@ -100,6 +79,10 @@ public class Memory
|
|||||||
}
|
}
|
||||||
memory[address % 128] = data; // else: Registers.Registers which are mapped
|
memory[address % 128] = data; // else: Registers.Registers which are mapped
|
||||||
memory[address % 128 + 128] = data; //Ensure data is written to both banks to simulate mapping
|
memory[address % 128 + 128] = data; //Ensure data is written to both banks to simulate mapping
|
||||||
|
if(address == 0x2) //Check if PCL is destination
|
||||||
|
{
|
||||||
|
ProgramCounter.loadPc();
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
private static int getRegisterBank()
|
private static int getRegisterBank()
|
||||||
@@ -111,7 +94,7 @@ public class Memory
|
|||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
public static int getFSR()
|
private static int getFSR()
|
||||||
{
|
{
|
||||||
return memory[0x4];
|
return memory[0x4];
|
||||||
}
|
}
|
||||||
@@ -138,28 +121,6 @@ public class Memory
|
|||||||
memory[0x8A] = data & 0x1F;
|
memory[0x8A] = data & 0x1F;
|
||||||
}
|
}
|
||||||
|
|
||||||
public static int getOption()
|
|
||||||
{
|
|
||||||
return memory[0x81];
|
|
||||||
}
|
|
||||||
|
|
||||||
public static int getPortB() {
|
|
||||||
return memory[0x06];
|
|
||||||
}
|
|
||||||
|
|
||||||
public static int getPortA() {
|
|
||||||
return memory[0x05] & 0x1F;
|
|
||||||
}
|
|
||||||
public static int getTimer()
|
|
||||||
{
|
|
||||||
return memory[0x01];
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void setTimer(int data)
|
|
||||||
{
|
|
||||||
memory[0x01] = data;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static boolean getZeroBit()
|
public static boolean getZeroBit()
|
||||||
{
|
{
|
||||||
return (memory[0x03] & 0x04) == 0x04;
|
return (memory[0x03] & 0x04) == 0x04;
|
||||||
@@ -192,13 +153,9 @@ public class Memory
|
|||||||
memory[0x03] &= 0xFD;
|
memory[0x03] &= 0xFD;
|
||||||
}
|
}
|
||||||
|
|
||||||
public static int getCarryBit()
|
public static boolean getCarryBit()
|
||||||
{
|
{
|
||||||
if((memory[0x03] & 0x01) == 0x01)
|
return (memory[0x03] & 0x01) == 0x01;
|
||||||
{
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
else return 0;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
public static void setCarryBit()
|
public static void setCarryBit()
|
||||||
|
|||||||
@@ -36,12 +36,4 @@ public class ProgramCounter
|
|||||||
pc++;
|
pc++;
|
||||||
Memory.setPCL(pc & 0x00FF);
|
Memory.setPCL(pc & 0x00FF);
|
||||||
}
|
}
|
||||||
|
|
||||||
public static void setProgramCounter(int value) {
|
|
||||||
if(value <= 0xFF && value >= 0)
|
|
||||||
{
|
|
||||||
pc = value;
|
|
||||||
Memory.setPCL(pc);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -18,6 +18,10 @@ public class Stack
|
|||||||
return stack[stackPointer];
|
return stack[stackPointer];
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public static int peek()
|
||||||
|
{
|
||||||
|
return stack[(stackPointer + 7) % 8]; //Get TopOfStack -1 +8 = 7 and modulo 8 to avoid IndexOutOfBound
|
||||||
|
}
|
||||||
|
|
||||||
private static void pointNext()
|
private static void pointNext()
|
||||||
{
|
{
|
||||||
|
|||||||
@@ -1,82 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.microcontroller;
|
|
||||||
|
|
||||||
public class Timer
|
|
||||||
{
|
|
||||||
public static int getCyclesToTimerIncrease()
|
|
||||||
{
|
|
||||||
return cyclesToTimerIncrease;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void setCyclesToTimerIncrease(int cyclesToTimerIncrease)
|
|
||||||
{
|
|
||||||
Timer.cyclesToTimerIncrease = cyclesToTimerIncrease;
|
|
||||||
}
|
|
||||||
|
|
||||||
private static int cyclesToTimerIncrease = 1;
|
|
||||||
|
|
||||||
private static boolean timerEnabled()
|
|
||||||
{
|
|
||||||
return (Memory.getOption() & 0x20) != 0x20;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void resetTimeToTimerIncrease()
|
|
||||||
{
|
|
||||||
cyclesToTimerIncrease = getPrescalerFactor();
|
|
||||||
}
|
|
||||||
|
|
||||||
public static boolean getPrescalerAssignment() {
|
|
||||||
return (Memory.getOption() & 0x08) == 0x08;
|
|
||||||
}
|
|
||||||
|
|
||||||
private static int getPrescalerFactor() {
|
|
||||||
final int MULTIPLIER = 2;
|
|
||||||
int prescalerPower = Memory.getOption() & 0x07;
|
|
||||||
int prescaler = (int)Math.pow(2, prescalerPower);
|
|
||||||
if(!getPrescalerAssignment())
|
|
||||||
{
|
|
||||||
return prescaler * MULTIPLIER;
|
|
||||||
}
|
|
||||||
return prescaler;
|
|
||||||
}
|
|
||||||
|
|
||||||
private static void increaseTimerRegister()
|
|
||||||
{
|
|
||||||
int timerRegister = Memory.getRegister(0x01);
|
|
||||||
timerRegister = (timerRegister + 1) % 256;
|
|
||||||
if(timerRegister == 0) //check for timer Overflow --> interrupt
|
|
||||||
{
|
|
||||||
System.out.println("Timer Overflow");
|
|
||||||
Memory.setRegister(0x0B, Memory.getRegister(0x0B) | 0x04); //set T0IF
|
|
||||||
if(Interrupt.checkTimerInterruptConditions())
|
|
||||||
{
|
|
||||||
Stack.push(ProgramCounter.getPc());
|
|
||||||
ProgramCounter.setProgramCounter(0x04); // Interrupt Vector
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Memory.setTimer(timerRegister);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void decreasePrescaler()
|
|
||||||
{
|
|
||||||
if(getPrescalerAssignment()) { // Assigned to WatchdogTimer
|
|
||||||
cyclesToTimerIncrease--;
|
|
||||||
if(cyclesToTimerIncrease == 0) {
|
|
||||||
resetTimeToTimerIncrease();
|
|
||||||
Watchdog.decreaseWatchdogTimer();
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
Watchdog.decreaseWatchdogTimer();
|
|
||||||
}
|
|
||||||
if(timerEnabled()) {
|
|
||||||
if(!getPrescalerAssignment()) { // Assigned to timer0
|
|
||||||
cyclesToTimerIncrease--;
|
|
||||||
if(cyclesToTimerIncrease == 0) {
|
|
||||||
resetTimeToTimerIncrease();
|
|
||||||
Timer.increaseTimerRegister();
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
Timer.increaseTimerRegister();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,37 +0,0 @@
|
|||||||
package de.darkress.pic16f84sim.microcontroller;
|
|
||||||
|
|
||||||
public class Watchdog
|
|
||||||
{
|
|
||||||
private static int watchdogTimer = 18000;
|
|
||||||
public static int getWatchdogTimer()
|
|
||||||
{
|
|
||||||
return watchdogTimer;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void resetWatchdogTimer() {
|
|
||||||
watchdogTimer = 18000;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void decreaseWatchdogTimer()
|
|
||||||
{
|
|
||||||
watchdogTimer--;
|
|
||||||
checkWatchdog();
|
|
||||||
}
|
|
||||||
|
|
||||||
private static void checkWatchdog()
|
|
||||||
{
|
|
||||||
if(watchdogTimer == 0)
|
|
||||||
{
|
|
||||||
System.out.println("Watchdog Time-Out");
|
|
||||||
Memory.setRegister(0x03, Memory.getRegister(0x03) & 0xEF); //Clear !TO in StatusReg
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void resetProgram()
|
|
||||||
{
|
|
||||||
Memory.setRegister(0x03, Memory.getRegister(0x03) | 0x10); //Set !T0 in StatusReg
|
|
||||||
ProgramCounter.setProgramCounter(0);
|
|
||||||
watchdogTimer = 18000;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
@@ -1,8 +1,5 @@
|
|||||||
package de.darkress.pic16f84sim.parser;
|
package de.darkress.pic16f84sim.parser;
|
||||||
|
|
||||||
import de.darkress.pic16f84sim.commands.Command;
|
|
||||||
import de.darkress.pic16f84sim.decoder.CommandDecoder;
|
|
||||||
|
|
||||||
import java.io.File;
|
import java.io.File;
|
||||||
import java.io.FileNotFoundException;
|
import java.io.FileNotFoundException;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
@@ -11,9 +8,9 @@ import java.util.Scanner;
|
|||||||
|
|
||||||
public class Parser
|
public class Parser
|
||||||
{
|
{
|
||||||
public static Command[] parser(String filePath)
|
public static List<Integer> parser(String filePath)
|
||||||
{
|
{
|
||||||
ArrayList<String> instructions = new ArrayList<>();
|
ArrayList<Integer> program = new ArrayList<>();
|
||||||
try {
|
try {
|
||||||
File file = new File(filePath);
|
File file = new File(filePath);
|
||||||
Scanner scanner = new Scanner(file);
|
Scanner scanner = new Scanner(file);
|
||||||
@@ -22,10 +19,8 @@ public class Parser
|
|||||||
if(!data.startsWith(" "))
|
if(!data.startsWith(" "))
|
||||||
{
|
{
|
||||||
String commandAndParametersString = "0x" + data.split(" ")[1];
|
String commandAndParametersString = "0x" + data.split(" ")[1];
|
||||||
String instructionAddress = "0x" + data.split(" ")[0];
|
int commandAndParameters = Integer.decode(commandAndParametersString);
|
||||||
//int commandAndParameters = Integer.decode(commandAndParametersString);
|
program.add(commandAndParameters);
|
||||||
//program.add(commandAndParameters);
|
|
||||||
instructions.add(instructionAddress + ", " + commandAndParametersString);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
scanner.close();
|
scanner.close();
|
||||||
@@ -33,16 +28,6 @@ public class Parser
|
|||||||
System.out.println("An error occurred.");
|
System.out.println("An error occurred.");
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
}
|
}
|
||||||
|
|
||||||
Command[] program = new Command[1024];
|
|
||||||
|
|
||||||
for(int i = 0; i < instructions.size(); i++)
|
|
||||||
{
|
|
||||||
int instructionAddress = Integer.decode(instructions.get(i).split(", ")[0]);
|
|
||||||
int instruction = Integer.decode(instructions.get(i).split(", ")[1]);
|
|
||||||
program[instructionAddress] = CommandDecoder.decode(instruction);
|
|
||||||
}
|
|
||||||
|
|
||||||
return program;
|
return program;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user