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Author SHA1 Message Date
Darkress
663d16ecea implemented comf Instruction 2023-05-31 20:00:14 +02:00
4 changed files with 5 additions and 45 deletions

View File

@@ -14,8 +14,8 @@ class Main
ArrayList<Command> program = new ArrayList<>(); ArrayList<Command> program = new ArrayList<>();
int input1 = 0x27FF; int input1 = 0x27FF;
program.add(CommandDecoder.decode(0x3011)); //Write 0x11 to W program.add(CommandDecoder.decode(0x3011)); //Write 0x11 to W
Memory.setRegister(0x14, 0x01); Memory.setRegister(0x14, 0x14);
program.add(CommandDecoder.decode(0x0314)); program.add(CommandDecoder.decode(0x0994));
for(int i = 0; i < 2; i++) for(int i = 0; i < 2; i++)
{ {
program.get(ProgramCounter.getPc()).execute(); program.get(ProgramCounter.getPc()).execute();

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@@ -1,27 +0,0 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Decf extends FileRegisterCommandUtils implements Command
{
private final int address;
private final boolean destinationBit;
public Decf(int input)
{
address = input & 0x007F;
destinationBit = checkDestinationBit(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address) + 255; // Allow underflow
checkZeroBit(result);
writeToDestination(destinationBit, address, result % 256); // Catch underflow
ProgramCounter.incPC();
}
}

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@@ -1,14 +0,0 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Nop extends LiteralCommandUtils implements Command
{
@Override
public void execute()
{
// Do nothing, just increment the PC
ProgramCounter.incPC();
}
}

View File

@@ -15,7 +15,8 @@ public class CommandDecoder
case 0x900: case 0x900:
return new Comf(input); return new Comf(input);
case 0x300: case 0x300:
return new Decf(input); //decf();
break;
case 0xB00: case 0xB00:
//decfsz(); //decfsz();
break; break;
@@ -111,7 +112,7 @@ public class CommandDecoder
if ((input | 0x0060) == 0x0060) if ((input | 0x0060) == 0x0060)
{ {
return new Nop(); //nop();
} }
if (input == 0x0064) if (input == 0x0064)