X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.model.am2900%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fmodel%2Fam2900%2Fmachine%2FAm2900MachineDefinition.java;h=0ac06ea77b1b658c2c3e4967739bd3eda57a0896;hb=7b8035a065c7b64f38850907d519f9a7dfb67e24;hp=134997ddfe283d2f12653204458e4c9e4bb3e272;hpb=d09827f6dc03fa3cded8e996b4ce45fdae3755ca;p=Mograsim.git

diff --git a/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/Am2900MachineDefinition.java b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/Am2900MachineDefinition.java
index 134997dd..0ac06ea7 100644
--- a/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/Am2900MachineDefinition.java
+++ b/net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/machine/Am2900MachineDefinition.java
@@ -1,10 +1,12 @@
 package net.mograsim.logic.model.am2900.machine;
 
+import java.util.Objects;
 import java.util.Set;
 
 import net.mograsim.machine.ISASchema;
 import net.mograsim.machine.Machine;
 import net.mograsim.machine.MachineDefinition;
+import net.mograsim.machine.MachineRegistry;
 import net.mograsim.machine.MainMemoryDefinition;
 import net.mograsim.machine.Register;
 import net.mograsim.machine.mi.MicroInstructionMemoryDefinition;
@@ -13,6 +15,13 @@ public class Am2900MachineDefinition implements MachineDefinition
 {
 	private MainMemoryDefinition memoryDefinition = new Am2900MainMemoryDefinition();
 	private MicroInstructionMemoryDefinition microInstMemoryDefinition = new Am2900MicroInstructionMemoryDefinition();
+	private final static Am2900MachineDefinition instance = new Am2900MachineDefinition();
+
+	public static Am2900MachineDefinition getInstance()
+	{
+		return Objects.requireNonNullElseGet((Am2900MachineDefinition) MachineRegistry.getinstalledMachines().get("Am2900"),
+				() -> instance);
+	}
 
 	@Override
 	public Machine createNew()