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1 Commits
cycleCount
...
movfInstru
| Author | SHA1 | Date | |
|---|---|---|---|
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36f018835f |
@@ -12,9 +12,9 @@ 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 = 0x01;
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Memory.setRegister(0x14, 0xA7); //240 << 224
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program.add(CommandDecoder.decode(0x1C94));
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Memory.workingRegister = 0x1A;
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Memory.setRegister(0x14, 0x1B);
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program.add(CommandDecoder.decode(0x0894));
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for(int i = 0; i < program.size(); i++)
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{
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program.get(ProgramCounter.getPc()).execute();
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@@ -1,6 +1,5 @@
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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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@@ -24,6 +23,5 @@ public class Addlw extends LiteralCommandUtils implements Command
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Memory.workingRegister = result % 256;
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -26,6 +25,5 @@ public class Addwf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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 Andlw extends LiteralCommandUtils implements Command
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{
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@@ -20,7 +18,5 @@ public class Andlw extends LiteralCommandUtils implements Command
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checkZeroBit(result);
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Memory.workingRegister = result % 256;
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -24,6 +23,5 @@ public class Andwf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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int result = Memory.getRegister(address);
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result |= (1 << bitPlacement);
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Memory.setRegister(address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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}
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}
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@@ -1,32 +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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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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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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}
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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}
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}
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@@ -1,32 +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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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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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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}
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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.Stack;
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@@ -18,6 +17,5 @@ public class Call extends LiteralCommandUtils implements Command
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{
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Stack.push(ProgramCounter.getPc() + 1);
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ProgramCounter.setPcFrom11BitLiteral(literal);
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Cycles.addToCycles(2);
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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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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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@@ -24,6 +23,5 @@ public class Clrf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -15,6 +14,5 @@ public class Clrw extends FileRegisterCommandUtils implements Command
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Memory.workingRegister = result;
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -24,6 +23,5 @@ public class Comf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -24,6 +23,5 @@ public class Decf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result % 256); // Catch underflow
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -26,10 +25,9 @@ public class Decfsz extends FileRegisterCommandUtils implements Command
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if((result % 256) == 0)
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{
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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Cycles.addToCycles(1);
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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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import de.darkress.pic16f84sim.microcontroller.Cycles;
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import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
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public class Goto extends LiteralCommandUtils implements Command
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@@ -16,6 +15,5 @@ public class Goto extends LiteralCommandUtils implements Command
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public void execute()
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{
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ProgramCounter.setPcFrom11BitLiteral(literal);
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Cycles.addToCycles(2);
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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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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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@@ -24,6 +23,5 @@ public class Incf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result % 256); // Catch underflow
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -26,10 +25,9 @@ public class Incfsz extends FileRegisterCommandUtils implements Command
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if((result % 256) == 0)
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{
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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Cycles.addToCycles(1);
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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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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 Iorlw extends LiteralCommandUtils implements Command
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{
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@@ -20,7 +18,5 @@ public class Iorlw extends LiteralCommandUtils implements Command
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checkZeroBit(result);
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Memory.workingRegister = result % 256;
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -24,6 +23,5 @@ public class Iorwf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -24,6 +23,5 @@ public class Movf extends FileRegisterCommandUtils implements Command
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writeToDestination(destinationBit, address, result);
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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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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@@ -18,6 +17,5 @@ public class Movlw extends LiteralCommandUtils implements Command
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{
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Memory.workingRegister = literal;
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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.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 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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Cycles.addToCycles(1);
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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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import de.darkress.pic16f84sim.microcontroller.Cycles;
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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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@@ -11,6 +10,5 @@ public class Nop extends LiteralCommandUtils implements Command
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{
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// Do nothing, just increment the PC
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ProgramCounter.incPC();
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Cycles.addToCycles(1);
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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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|
||||
import de.darkress.pic16f84sim.microcontroller.Cycles;
|
||||
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.Stack;
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@@ -19,6 +18,5 @@ public class Retlw extends LiteralCommandUtils implements Command
|
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{
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Memory.workingRegister = literal;
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ProgramCounter.setPcFromStack(Stack.pop());
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Cycles.addToCycles(2);
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||||
}
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||||
}
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||||
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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;
|
||||
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||||
@@ -10,6 +9,5 @@ public class Return extends LiteralCommandUtils implements Command
|
||||
public void execute()
|
||||
{
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||||
ProgramCounter.setPcFromStack(Stack.pop());
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||||
Cycles.addToCycles(2);
|
||||
}
|
||||
}
|
||||
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||||
@@ -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()
|
||||
{
|
||||
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);
|
||||
ProgramCounter.incPC();
|
||||
Cycles.addToCycles(1);
|
||||
}
|
||||
}
|
||||
@@ -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()
|
||||
{
|
||||
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);
|
||||
ProgramCounter.incPC();
|
||||
Cycles.addToCycles(1);
|
||||
}
|
||||
}
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -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);
|
||||
}
|
||||
}
|
||||
@@ -27,15 +27,20 @@ public class CommandDecoder
|
||||
case 0x800:
|
||||
return new Movf(input);
|
||||
case 0xD00:
|
||||
return new Rlf(input);
|
||||
//rlf();
|
||||
break;
|
||||
case 0xC00:
|
||||
return new Rrf(input);
|
||||
//rrf();
|
||||
break;
|
||||
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:
|
||||
@@ -51,25 +56,32 @@ public class CommandDecoder
|
||||
case 0x100:
|
||||
return new Clrw();
|
||||
case 0x80:
|
||||
return new Movwf(input);
|
||||
//movwf();
|
||||
break;
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
@@ -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;
|
||||
}
|
||||
}
|
||||
@@ -62,7 +62,6 @@ public class Memory
|
||||
if(address == 0x2) //Check if PCL is destination
|
||||
{
|
||||
ProgramCounter.loadPc();
|
||||
Cycles.addToCycles(1);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -154,13 +153,9 @@ public class Memory
|
||||
memory[0x03] &= 0xFD;
|
||||
}
|
||||
|
||||
public static int getCarryBit()
|
||||
public static boolean getCarryBit()
|
||||
{
|
||||
if((memory[0x03] & 0x01) == 0x01)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
else return 0;
|
||||
return (memory[0x03] & 0x01) == 0x01;
|
||||
}
|
||||
|
||||
public static void setCarryBit()
|
||||
|
||||
Reference in New Issue
Block a user