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implemented Addwf Instruction

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This commit is contained in:
Darkress
2023-05-31 15:07:30 +02:00
parent 0b5d0c172a
commit b9a74c108e
15 changed files with 98 additions and 18 deletions
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2
de/darkress/pic16f84sim/commands/Addlw.java
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@@ -3,7 +3,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Addlw extends CommandUtils implements Command
public class Addlw extends LiteralCommandUtils implements Command
{
private final int literal;

29
de/darkress/pic16f84sim/commands/Addwf.java Normal file
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@@ -0,0 +1,29 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Addwf extends FileRegisterCommandUtils implements Command
{
private final int address;
private final boolean destinationBit;
public Addwf(int input)
{
address = input & 0x007F;
destinationBit = checkDestinationBit(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address) + Memory.workingRegister;
checkZeroBit(result);
checkCarryBit(result);
checkDigitCarryBit(address);
writeToDestination(destinationBit, address, result);
ProgramCounter.incPC();
}
}

2
de/darkress/pic16f84sim/commands/Andlw.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class Andlw extends CommandUtils implements Command
public class Andlw extends LiteralCommandUtils implements Command
{
private final int literal;

2
de/darkress/pic16f84sim/commands/Call.java
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@@ -3,7 +3,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.microcontroller.Stack;
public class Call extends CommandUtils implements Command
public class Call extends LiteralCommandUtils implements Command
{
private final int literal;

51
de/darkress/pic16f84sim/commands/FileRegisterCommandUtils.java Normal file
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@@ -0,0 +1,51 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class FileRegisterCommandUtils
{
protected void checkZeroBit(int result)
{
if((result % 256) == 0){
Memory.setZeroBit();
} else{
Memory.clearZeroBit();
}
}
protected void checkCarryBit(int result)
{
if(result > 255){
Memory.setCarryBit();
} else{
Memory.clearCarryBit();
}
}
protected void checkDigitCarryBit(int address)
{
int literal = Memory.getRegister(address);
if(((Memory.workingRegister & 0x0F) + (literal & 0x0F)) > 15){
Memory.setDigitCarryBit();
} else{
Memory.clearDigitCarryBit();
}
}
protected void writeToDestination(boolean destinationBit, int fileAddress, int result)
{
if(destinationBit)
{
//Store in FileRegister
Memory.setRegister(fileAddress, result);
} else {
//Store in WRegister
Memory.workingRegister = result;
}
}
protected boolean checkDestinationBit(int input)
{
return (input & 0x0080) == 0x0080;
}
}

2
de/darkress/pic16f84sim/commands/Goto.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Goto extends CommandUtils implements Command
public class Goto extends LiteralCommandUtils implements Command
{
private final int literal;

2
de/darkress/pic16f84sim/commands/Iorlw.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class Iorlw extends CommandUtils implements Command
public class Iorlw extends LiteralCommandUtils implements Command
{
private final int literal;

2
de/darkress/pic16f84sim/commands/CommandUtils.java → de/darkress/pic16f84sim/commands/LiteralCommandUtils.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class CommandUtils
public class LiteralCommandUtils
{
protected void checkZeroBit(int result)
{

4
de/darkress/pic16f84sim/commands/Movlw.java
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@@ -1,8 +1,9 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Movlw extends CommandUtils implements Command
public class Movlw extends LiteralCommandUtils implements Command
{
private final int literal;
@@ -15,5 +16,6 @@ public class Movlw extends CommandUtils implements Command
public void execute()
{
Memory.workingRegister = literal;
ProgramCounter.incPC();
}
}

2
de/darkress/pic16f84sim/commands/Retlw.java
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@@ -4,7 +4,7 @@ import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.microcontroller.Stack;
public class Retlw extends CommandUtils implements Command
public class Retlw extends LiteralCommandUtils implements Command
{
private final int literal;

2
de/darkress/pic16f84sim/commands/Return.java
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@@ -3,7 +3,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
import de.darkress.pic16f84sim.microcontroller.Stack;
public class Return extends CommandUtils implements Command
public class Return extends LiteralCommandUtils implements Command
{
@Override
public void execute()

2
de/darkress/pic16f84sim/commands/Sublw.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class Sublw extends CommandUtils implements Command
public class Sublw extends LiteralCommandUtils implements Command
{
private final int literal;

2
de/darkress/pic16f84sim/commands/Xorlw.java
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@@ -2,7 +2,7 @@ package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
public class Xorlw extends CommandUtils implements Command
public class Xorlw extends LiteralCommandUtils implements Command
{
private final int literal;