1 package net.mograsim.logic.model.am2900.machine;
3 import java.util.HashSet;
6 import java.util.function.Consumer;
8 import net.mograsim.logic.core.components.CoreClock;
9 import net.mograsim.logic.core.timeline.Timeline;
10 import net.mograsim.logic.core.types.Bit;
11 import net.mograsim.logic.core.types.BitVector;
12 import net.mograsim.logic.model.am2900.machine.registers.Am2900Register;
13 import net.mograsim.logic.model.am2900.machine.registers.muInstrRegister;
14 import net.mograsim.logic.model.model.LogicModel;
15 import net.mograsim.logic.model.model.LogicModelModifiable;
16 import net.mograsim.logic.model.model.components.ModelComponent;
17 import net.mograsim.logic.model.model.components.atomic.ModelClock;
18 import net.mograsim.logic.model.modeladapter.CoreModelParameters;
19 import net.mograsim.logic.model.modeladapter.LogicCoreAdapter;
20 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
21 import net.mograsim.machine.Machine;
22 import net.mograsim.machine.MachineDefinition;
23 import net.mograsim.machine.mi.AssignableMicroInstructionMemory;
24 import net.mograsim.machine.mi.MicroInstruction;
25 import net.mograsim.machine.mi.MicroInstructionDefinition;
26 import net.mograsim.machine.mi.StandardMicroInstructionMemory;
27 import net.mograsim.machine.mi.parameters.MicroInstructionParameter;
28 import net.mograsim.machine.mi.parameters.ParameterClassification;
29 import net.mograsim.machine.registers.Register;
30 import net.mograsim.machine.registers.RegisterGroup;
31 import net.mograsim.machine.standard.memory.AssignableMainMemory;
32 import net.mograsim.machine.standard.memory.WordAddressableMemory;
34 public class Am2900Machine implements Machine
36 private AbstractAm2900MachineDefinition machineDefinition;
37 private LogicModelModifiable logicModel;
38 private ModelComponent am2900;
39 private Timeline timeline;
40 private AssignableMainMemory mainMemory;
41 private AssignableMicroInstructionMemory instMemory;
42 private CoreClock clock;
43 private long activeInstructionAddress;
45 private final Set<ActiveMicroInstructionChangedListener> amicListeners;
47 public Am2900Machine(LogicModelModifiable model, AbstractAm2900MachineDefinition am2900MachineDefinition)
49 this.machineDefinition = am2900MachineDefinition;
50 this.logicModel = model;
51 this.am2900 = IndirectModelComponentCreator.createComponent(logicModel,
52 "resloader:Am2900Loader:jsonres:net/mograsim/logic/model/am2900/components/Am2900.json", "Am2900");
53 this.amicListeners = new HashSet<>();
55 CoreModelParameters params = new CoreModelParameters();
56 params.gateProcessTime = 50;
57 params.wireTravelTime = 10;
58 mainMemory = new AssignableMainMemory(new WordAddressableMemory(am2900MachineDefinition.getMainMemoryDefinition()));
59 instMemory = new AssignableMicroInstructionMemory(
60 new StandardMicroInstructionMemory(am2900MachineDefinition.getMicroInstructionMemoryDefinition()));
61 timeline = LogicCoreAdapter.convert(logicModel, params);
62 am2900.setHighLevelState("ram.memory_binding", mainMemory);
63 am2900.setHighLevelState("mpm.memory_binding", instMemory);
64 clock = logicModel.getComponentBySubmodelPath("Am2900.Clock#0", ModelClock.class).getClock();
65 clock.registerObserver(c ->
69 long oldAddress = activeInstructionAddress;
70 activeInstructionAddress = getCurrentMicroInstructionAddress();
71 notifyActiveMicroInstructionChangedListeners(oldAddress, activeInstructionAddress);
77 public MachineDefinition getDefinition()
79 return machineDefinition;
85 MicroInstructionDefinition muiDef = getDefinition().getMicroInstructionMemoryDefinition().getMicroInstructionDefinition();
86 ParameterClassification[] paramClassifications = muiDef.getParameterClassifications();
87 MicroInstructionParameter[] defaultParams = muiDef.createDefaultInstruction().getParameters();
88 defaultParams[19] = paramClassifications[19].parse("JZ");
89 MicroInstruction jzMI = MicroInstruction.create(defaultParams);
90 am2900.setHighLevelState("muir_2.q", jzMI.toBitVector());
91 Bit regsValue = machineDefinition.strict ? Bit.U : Bit.ZERO;
92 setRegistersTo(machineDefinition.getUnsortedRegisters(), regsValue);
93 setRegisterGroupTo(machineDefinition.getRegisterGroups(), regsValue);
94 // TODO reset latches?
97 private void setRegistersTo(List<Register> registers, Bit value)
99 for (Register r : registers)
100 if (r != muInstrRegister.instance)// don't reset; sometimes causes a glitch
101 setRegister(r, BitVector.of(value, r.getWidth()));
104 private void setRegisterGroupTo(List<RegisterGroup> registerGroups, Bit value)
106 for (RegisterGroup rg : registerGroups)
108 setRegistersTo(rg.getRegisters(), value);
109 setRegisterGroupTo(rg.getSubGroups(), value);
114 public LogicModel getModel()
119 public ModelComponent getAm2900()
125 public Timeline getTimeline()
131 public CoreClock getClock()
137 public BitVector getRegister(Register r)
139 return castAm2900Register(r).read(am2900);
143 public void setRegister(Register r, BitVector value)
145 castAm2900Register(r).write(am2900, value);
149 public void addRegisterListener(Register r, Consumer<BitVector> listener)
151 castAm2900Register(r).addListener(am2900, listener);
155 public void removeRegisterListener(Register r, Consumer<BitVector> listener)
157 castAm2900Register(r).removeListener(am2900, listener);
160 private static Am2900Register castAm2900Register(Register r)
162 if (r instanceof Am2900Register)
163 return (Am2900Register) r;
164 throw new IllegalArgumentException("Not a register of an Am2900Machine: " + r);
168 public AssignableMainMemory getMainMemory()
174 public AssignableMicroInstructionMemory getMicroInstructionMemory()
180 public long getActiveMicroInstructionAddress()
182 return activeInstructionAddress;
185 private long getCurrentMicroInstructionAddress()
187 BitVector vector = (BitVector) am2900.getHighLevelState("mpm_address");
188 return vector.isBinary() ? vector.getUnsignedValueLong() : -1;
192 public void addActiveMicroInstructionChangedListener(ActiveMicroInstructionChangedListener listener)
194 amicListeners.add(listener);
198 public void removeActiveMicroInstructionChangedListener(ActiveMicroInstructionChangedListener listener)
200 amicListeners.remove(listener);
203 private void notifyActiveMicroInstructionChangedListeners(long oldAddress, long newAddress)
205 amicListeners.forEach(l -> l.instructionChanged(oldAddress, newAddress));