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Actually, the refresh register is incremented halfway through M1, as the M1 pin is raised. i.e. just before the refresh phase of the M1 cycle.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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Adrian Conlon
2019-11-16 22:29:42 +00:00
parent 81b2b04ddd
commit c7c9963db3
1 changed files with 6 additions and 6 deletions
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12
Z80/Z80.cs
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@@ -442,15 +442,15 @@ namespace EightBit
protected virtual void OnRaisingM1() => this.RaisingM1?.Invoke(this, EventArgs.Empty);
protected virtual void OnRaisedM1() => this.RaisedM1?.Invoke(this, EventArgs.Empty);
protected virtual void OnRaisedM1()
{
++this.REFRESH;
this.RaisedM1?.Invoke(this, EventArgs.Empty);
}
protected virtual void OnLoweringM1() => this.LoweringM1?.Invoke(this, EventArgs.Empty);
protected virtual void OnLoweredM1()
{
++this.REFRESH;
this.LoweredM1?.Invoke(this, EventArgs.Empty);
}
protected virtual void OnLoweredM1() => this.LoweredM1?.Invoke(this, EventArgs.Empty);
protected virtual void OnRaisingRFSH() => this.RaisingRFSH?.Invoke(this, EventArgs.Empty);