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movwfInstr
...
andwfInstr
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ccc7f72c61 |
@@ -12,10 +12,11 @@ class Main
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public static void main(String[] args) {
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ArrayList<Command> program = new ArrayList<>();
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Memory.workingRegister = 0x1A;
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Memory.setRegister(0x14, 0x1B);
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program.add(CommandDecoder.decode(0x0094));
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for(int i = 0; i < program.size(); i++)
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int input1 = 0x27FF;
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program.add(CommandDecoder.decode(0x3011)); //Write 0x11 to W
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Memory.setRegister(0x14, 0x14);
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program.add(CommandDecoder.decode(0x0594));
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for(int i = 0; i < 2; i++)
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{
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program.get(ProgramCounter.getPc()).execute();
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}
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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Clrf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Clrf(int input)
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{
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address = input & 0x007F;
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destinationBit = true;
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}
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@Override
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public void execute()
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{
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final int result = 0;
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checkZeroBit(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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@@ -1,18 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Clrw extends FileRegisterCommandUtils implements Command
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{
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@Override
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public void execute()
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{
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final int result = 0;
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checkZeroBit(result);
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Memory.workingRegister = result;
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ProgramCounter.incPC();
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}
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}
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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Comf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Comf(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = 255 - Memory.getRegister(address); // Get inverse of 8Bit value
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checkZeroBit(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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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Decf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Decf(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address) + 255; // Allow underflow
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result % 256); // Catch underflow
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ProgramCounter.incPC();
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}
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}
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@@ -1,33 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Decfsz extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Decfsz(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address) + 255; // Allow underflow
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result % 256); // Catch underflow
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if((result % 256) == 0)
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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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ProgramCounter.incPC();
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}
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}
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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Incf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Incf(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address) + 1; // Allow underflow
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result % 256); // Catch underflow
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ProgramCounter.incPC();
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}
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}
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@@ -1,33 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Incfsz extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Incfsz(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address) + 1;
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checkZeroBit(result);
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writeToDestination(destinationBit, address, result % 256);
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if((result % 256) == 0)
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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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ProgramCounter.incPC();
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}
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}
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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Iorwf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Iorwf(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address) | Memory.workingRegister;
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checkZeroBit(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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@@ -1,27 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Movf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Movf(int input)
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{
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address = input & 0x007F;
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destinationBit = checkDestinationBit(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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int result = Memory.getRegister(address);
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checkZeroBit(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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@@ -1,25 +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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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Movwf extends FileRegisterCommandUtils implements Command
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{
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private final int address;
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private final boolean destinationBit;
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public Movwf(int input)
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{
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address = input & 0x007F;
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destinationBit = true;
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}
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@Override
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public void execute()
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{
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int result = Memory.workingRegister;
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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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@@ -1,14 +0,0 @@
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package de.darkress.pic16f84sim.commands;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Nop extends LiteralCommandUtils implements Command
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{
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@Override
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public void execute()
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{
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// Do nothing, just increment the PC
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ProgramCounter.incPC();
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}
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}
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@@ -13,19 +13,26 @@ public class CommandDecoder
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case 0x500:
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return new Andwf(input);
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case 0x900:
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return new Comf(input);
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//comf();
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break;
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case 0x300:
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return new Decf(input);
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//decf();
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break;
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case 0xB00:
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return new Decfsz(input);
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//decfsz();
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break;
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case 0xA00:
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return new Incf(input);
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//incf();
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break;
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case 0xF00:
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return new Incfsz(input);
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//incfsz();
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break;
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case 0x400:
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return new Iorwf(input);
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//iorwf();
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break;
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case 0x800:
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return new Movf(input);
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//movf();
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break;
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case 0xD00:
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//rlf();
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break;
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@@ -52,11 +59,14 @@ public class CommandDecoder
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switch(input & 0x3F80)
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{
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case 0x180:
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return new Clrf(input);
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//clrf();
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break;
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case 0x100:
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return new Clrw();
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//clrw();
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break;
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case 0x80:
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return new Movwf(input);
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//movwf();
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break;
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}
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switch(input & 0x3C00)
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@@ -103,7 +113,7 @@ public class CommandDecoder
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if ((input | 0x0060) == 0x0060)
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{
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return new Nop();
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//nop();
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}
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if (input == 0x0064)
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