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Author SHA1 Message Date
Darkress
4c7dbdb548 implemented Rrf Instruction 2023-06-06 02:42:11 +02:00
37 changed files with 32 additions and 356 deletions

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@@ -2,28 +2,22 @@ package de.darkress.pic16f84sim;
import de.darkress.pic16f84sim.commands.Command;
import de.darkress.pic16f84sim.decoder.CommandDecoder;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.parser.Parser;
import java.util.concurrent.TimeUnit;
import java.util.ArrayList;
class Main
{
public static void main(String[] args) throws InterruptedException {
public static void main(String[] args) {
Command[] program = Parser.parser("de/darkress/pic16f84sim/TPicSim101.LST");
/*for(int i = 0; i < instructions.size(); i++)
ArrayList<Command> program = new ArrayList<>();
Memory.clearCarryBit();
Memory.setRegister(0x14, 0B00000001); //240 << 224
program.add(CommandDecoder.decode(0x0C94));
for(int i = 0; i < program.size(); i++)
{
program.add(CommandDecoder.decode(instructions.get(i)));
}*/
while(ProgramCounter.getPc() < 1024)
{
program[ProgramCounter.getPc()].execute();
System.out.println(Memory.workingRegister + " " + Cycles.getCycles());
System.out.println(Memory.getPCLATH() + " " + Memory.getPCL() + "\n");
program.get(ProgramCounter.getPc()).execute();
}
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Addlw extends LiteralCommandUtils implements Command
Memory.workingRegister = result % 256;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -26,6 +25,5 @@ public class Addwf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,8 +1,6 @@
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 Andlw extends LiteralCommandUtils implements Command
{
@@ -20,7 +18,5 @@ public class Andlw extends LiteralCommandUtils implements Command
checkZeroBit(result);
Memory.workingRegister = result % 256;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Andwf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,28 +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 Bcf extends BitOrientedCommandUtils implements Command
{
private final int address;
private int bitPlacement;
public Bcf(int input)
{
address = input & 0x007F;
bitPlacement = checkBitPlacement(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address);
result &= ~(1 << bitPlacement); //Mask n-th bit with 0
Memory.setRegister(address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,11 +0,0 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class BitOrientedCommandUtils
{
protected int checkBitPlacement(int input)
{
return ((input & 0x0380) >>7);
}
}

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@@ -1,28 +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 Bsf extends BitOrientedCommandUtils implements Command
{
private final int address;
private int bitPlacement;
public Bsf(int input)
{
address = input & 0x007F;
bitPlacement = checkBitPlacement(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address);
result |= (1 << bitPlacement);
Memory.setRegister(address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,32 +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 Btfsc extends BitOrientedCommandUtils implements Command
{
private final int address;
private int bitPlacement;
public Btfsc(int input)
{
address = input & 0x007F;
bitPlacement = checkBitPlacement(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address);
if((result & (1 << bitPlacement)) == 0) //Test if bit is clear
{
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,32 +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 Btfss extends BitOrientedCommandUtils implements Command
{
private final int address;
private int bitPlacement;
public Btfss(int input)
{
address = input & 0x007F;
bitPlacement = checkBitPlacement(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address);
if((result & (1 << bitPlacement)) > 0) //Test if bit is set
{
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.microcontroller.Stack;
@@ -18,6 +17,5 @@ public class Call extends LiteralCommandUtils implements Command
{
Stack.push(ProgramCounter.getPc() + 1);
ProgramCounter.setPcFrom11BitLiteral(literal);
Cycles.addToCycles(2);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Clrf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -15,6 +14,5 @@ public class Clrw extends FileRegisterCommandUtils implements Command
Memory.workingRegister = result;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Comf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Decf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result % 256); // Catch underflow
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -26,10 +25,9 @@ public class Decfsz extends FileRegisterCommandUtils implements Command
if((result % 256) == 0)
{
ProgramCounter.incPC();
Cycles.addToCycles(1);
Nop nop = new Nop();
nop.execute();
}
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Goto extends LiteralCommandUtils implements Command
@@ -16,6 +15,5 @@ public class Goto extends LiteralCommandUtils implements Command
public void execute()
{
ProgramCounter.setPcFrom11BitLiteral(literal);
Cycles.addToCycles(2);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Incf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result % 256); // Catch underflow
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -26,10 +25,9 @@ public class Incfsz extends FileRegisterCommandUtils implements Command
if((result % 256) == 0)
{
ProgramCounter.incPC();
Cycles.addToCycles(1);
Nop nop = new Nop();
nop.execute();
}
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,8 +1,6 @@
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 Iorlw extends LiteralCommandUtils implements Command
{
@@ -20,7 +18,5 @@ public class Iorlw extends LiteralCommandUtils implements Command
checkZeroBit(result);
Memory.workingRegister = result % 256;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Iorwf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -24,6 +23,5 @@ public class Movf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -18,6 +17,5 @@ public class Movlw extends LiteralCommandUtils implements Command
{
Memory.workingRegister = literal;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -22,6 +21,5 @@ public class Movwf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Nop extends LiteralCommandUtils implements Command
@@ -11,6 +10,5 @@ public class Nop extends LiteralCommandUtils implements Command
{
// Do nothing, just increment the PC
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
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;
@@ -19,6 +18,5 @@ public class Retlw extends LiteralCommandUtils implements Command
{
Memory.workingRegister = literal;
ProgramCounter.setPcFromStack(Stack.pop());
Cycles.addToCycles(2);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.microcontroller.Stack;
@@ -10,6 +9,5 @@ public class Return extends LiteralCommandUtils implements Command
public void execute()
{
ProgramCounter.setPcFromStack(Stack.pop());
Cycles.addToCycles(2);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -32,6 +31,5 @@ public class Rlf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, register);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,6 +1,5 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Cycles;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
@@ -32,6 +31,5 @@ public class Rrf extends FileRegisterCommandUtils implements Command
writeToDestination(destinationBit, address, register);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,8 +1,6 @@
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 Sublw extends LiteralCommandUtils implements Command
{
@@ -43,7 +41,5 @@ public class Sublw extends LiteralCommandUtils implements Command
checkDigitCarryBit(literal);
Memory.workingRegister = result % 256;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -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()
{
int result = Memory.getRegister(address) - Memory.workingRegister + 256;
checkZeroBit(result);
checkCarryBit(result);
checkDigitCarryBit(Memory.getRegister(address));
writeToDestination(destinationBit, address, result % 256);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -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()
{
int result = (Memory.getRegister(address) <<4) & 0xF0;
int tmp = Memory.getRegister(address) >>4;
result += tmp;
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -1,8 +1,6 @@
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 Xorlw extends LiteralCommandUtils implements Command
{
@@ -20,7 +18,5 @@ public class Xorlw extends LiteralCommandUtils implements Command
checkZeroBit(result);
Memory.workingRegister = result % 256;
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -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()
{
int result = Memory.getRegister(address) ^ Memory.workingRegister;
checkZeroBit(result);
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
Cycles.addToCycles(1);
}
}

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@@ -31,11 +31,14 @@ public class CommandDecoder
case 0xC00:
return new Rrf(input);
case 0x200:
return new Subwf(input);
//subwf();
break;
case 0xE00:
return new Swapf(input);
//swapf();
break;
case 0x600:
return new Xorwf(input);
//xorwf();
break;
case 0x3900:
return new Andlw(input);
case 0x3800:
@@ -57,19 +60,25 @@ public class CommandDecoder
switch(input & 0x3C00)
{
case 0x1000:
return new Bcf(input);
//bcf();
break;
case 0x1400:
return new Bsf(input);
//bsf();
break;
case 0x1800:
return new Btfsc(input);
//btfsc();
break;
case 0x1C00:
return new Btfss(input);
//btfss();
break;
}
switch(input & 0x3E00)
{
case 0x3E00:
//addlw();
return new Addlw(input);
//break;
case 0x3C00:
return new Sublw(input);
}

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@@ -1,14 +0,0 @@
package de.darkress.pic16f84sim.microcontroller;
public class Cycles {
private static int cycles = 0;
public static void addToCycles(int increase)
{
cycles += increase;
}
public static int getCycles() {
return cycles;
}
}

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@@ -1,8 +1,5 @@
package de.darkress.pic16f84sim.parser;
import de.darkress.pic16f84sim.commands.Command;
import de.darkress.pic16f84sim.decoder.CommandDecoder;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
@@ -11,9 +8,9 @@ import java.util.Scanner;
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 {
File file = new File(filePath);
Scanner scanner = new Scanner(file);
@@ -22,10 +19,8 @@ public class Parser
if(!data.startsWith(" "))
{
String commandAndParametersString = "0x" + data.split(" ")[1];
String instructionAddress = "0x" + data.split(" ")[0];
//int commandAndParameters = Integer.decode(commandAndParametersString);
//program.add(commandAndParameters);
instructions.add(instructionAddress + ", " + commandAndParametersString);
int commandAndParameters = Integer.decode(commandAndParametersString);
program.add(commandAndParameters);
}
}
scanner.close();
@@ -33,16 +28,6 @@ public class Parser
System.out.println("An error occurred.");
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;
}
}