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Author SHA1 Message Date
Darkress
6cbd17cf52 implemented Nop Instruction 2023-05-31 20:24:32 +02:00
4 changed files with 6 additions and 64 deletions

View File

@@ -15,8 +15,8 @@ class Main
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, 0x01);
program.add(CommandDecoder.decode(0x0A94)); //Write 0x11 to W program.add(CommandDecoder.decode(0x0314));
for(int i = 0; i < program.size(); i++) for(int i = 0; i < 2; i++)
{ {
program.get(ProgramCounter.getPc()).execute(); program.get(ProgramCounter.getPc()).execute();
} }

View File

@@ -1,33 +0,0 @@
package de.darkress.pic16f84sim.commands;
import de.darkress.pic16f84sim.microcontroller.Memory;
import de.darkress.pic16f84sim.microcontroller.ProgramCounter;
public class Decfsz extends FileRegisterCommandUtils implements Command
{
private final int address;
private final boolean destinationBit;
public Decfsz(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
if((result % 256) == 0)
{
Nop nop = new Nop();
nop.execute();
}
ProgramCounter.incPC();
}
}

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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 Incf extends FileRegisterCommandUtils implements Command
{
private final int address;
private final boolean destinationBit;
public Incf(int input)
{
address = input & 0x007F;
destinationBit = checkDestinationBit(input);
}
@Override
public void execute()
{
int result = Memory.getRegister(address) + 1; // Allow underflow
checkZeroBit(result);
writeToDestination(destinationBit, address, result % 256); // Catch underflow
ProgramCounter.incPC();
}
}

View File

@@ -17,9 +17,11 @@ public class CommandDecoder
case 0x300: case 0x300:
return new Decf(input); return new Decf(input);
case 0xB00: case 0xB00:
return new Decfsz(input); //decfsz();
break;
case 0xA00: case 0xA00:
return new Incf(input); //incf();
break;
case 0xF00: case 0xF00:
//incfsz(); //incfsz();
break; break;