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Jump and Call are working as intended.

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Creeper Lv
2025-08-15 16:03:14 +10:00
parent 914c6febbe
commit 0069c573e7
11 changed files with 137 additions and 57 deletions
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47
src/SVM.Core/SimpleVirtualMachine.cs
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@@ -77,6 +77,15 @@ namespace SVM.Core
}
}
}
public ulong GetPC()
{
uint PCOffset = 1;
if (Config != null)
{
PCOffset = Config.PCRegisterID;
}
return registers.GetData<ulong>((int)PCOffset);
}
public bool isReachBinaryEnd()
{
uint PCOffset = 1;
@@ -214,12 +223,44 @@ namespace SVM.Core
var dataPtr = GetPointer(PC);
var data = dataPtr.GetData<int>();
registers.SetDataInRegister(Reg, data);
//Console.WriteLine($"SVM:SD:{data} form PC={PC}");
Console.WriteLine($"SVM:SD:{data} to {Reg} form PC={PC}");
}
break;
case PrimaryInstruction.JMP:
{
var RegisterID = Instruction.GetData<byte>(1);
PC = registers.ReadData<ulong>(RegisterID);
Console.WriteLine($"Jump to:{PC}");
PC--;
}
break;
case PrimaryInstruction.JIF:
{
var RegisterID = Instruction.GetData<byte>(1);
var FlagID = Instruction.GetData<ConditionFlag>(2);
bool isSet = false;
unsafe
{
switch (FlagID)
{
case ConditionFlag.CF:
isSet = statePtr->CF != 0;
break;
case ConditionFlag.Of:
isSet = statePtr->OF != 0;
break;
default:
break;
}
}
if (isSet)
{
PC = registers.ReadData<ulong>(RegisterID);
PC--;
}
}
break;
case PrimaryInstruction.Load:
{
@@ -248,6 +289,10 @@ namespace SVM.Core
{
var cfPtr = GetPointer(ReadCallFrameRegisterAsPtr());
cfPtr.SetData(PC + 1);
var RegisterID = Instruction.GetData<byte>(1);
PC = registers.ReadData<ulong>(RegisterID);
Console.WriteLine($"Call to:{PC} ({RegisterID})");
PC--;
}
break;
case PrimaryInstruction.Return: