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Add easy to use Register16 assignment methods

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This commit is contained in:
Adrian Conlon
2024-07-01 23:27:35 +01:00
parent a9020ef0f0
commit 0c8ed57b0d
9 changed files with 98 additions and 112 deletions
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EightBit/IntelProcessor.cs
+6 -12
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@@ -143,24 +143,21 @@ namespace EightBit
protected sealed override Register16 GetWord()
{
var returned = base.GetWord();
this.MEMPTR.Low = this.Bus.Address.Low;
this.MEMPTR.High = this.Bus.Address.High;
this.MEMPTR.Assign(this.Bus.Address);
return returned;
}
protected sealed override void SetWord(Register16 value)
{
base.SetWord(value);
this.MEMPTR.Low = this.Bus.Address.Low;
this.MEMPTR.High = this.Bus.Address.High;
this.MEMPTR.Assign(this.Bus.Address);
}
////
protected void Restart(byte address)
{
this.MEMPTR.Low = address;
this.MEMPTR.High = 0;
this.MEMPTR.Assign(address, 0);
this.Call(this.MEMPTR);
}
@@ -199,8 +196,7 @@ namespace EightBit
protected void FetchWordMEMPTR()
{
this.FetchWord();
this.MEMPTR.Low = this.Intermediate.Low;
this.MEMPTR.High = this.Intermediate.High;
this.MEMPTR.Assign(this.Intermediate);
}
protected void JumpIndirect()
@@ -223,8 +219,7 @@ namespace EightBit
protected bool JumpRelativeConditional(bool condition)
{
this.Intermediate.Low = this.PC.Low;
this.Intermediate.High = this.PC.High;
this.Intermediate.Assign(this.PC);
++this.PC.Word;
if (condition)
{
@@ -238,8 +233,7 @@ namespace EightBit
protected override sealed void Return()
{
base.Return();
this.MEMPTR.Low = this.PC.Low;
this.MEMPTR.High = this.PC.High;
this.MEMPTR.Assign(this.PC);
}
}
}