mirror of
https://github.com/MoleskiCoder/EightBitNet.git
synced 2026-04-20 06:16:43 +00:00
Not sure if this was a really good idea, but integrated StyleCop rules into the builds. Corrected all except documentation problems.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
+87
-68
@@ -1,4 +1,8 @@
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namespace EightBit
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// <copyright file="Processor.cs" company="Adrian Conlon">
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// Copyright (c) Adrian Conlon. All rights reserved.
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// </copyright>
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namespace EightBit
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{
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using System;
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@@ -13,161 +17,176 @@
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protected Processor(Bus memory)
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{
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bus = memory;
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this.bus = memory;
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}
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public event EventHandler<EventArgs> RaisingRESET;
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public event EventHandler<EventArgs> RaisedRESET;
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public event EventHandler<EventArgs> LoweringRESET;
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public event EventHandler<EventArgs> LoweredRESET;
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public event EventHandler<EventArgs> RaisingINT;
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public event EventHandler<EventArgs> RaisedINT;
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public event EventHandler<EventArgs> LoweringINT;
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public event EventHandler<EventArgs> LoweredINT;
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public ushort PC { get => pc; set => pc = value; }
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protected byte OpCode { get => opcode; set => opcode = value; }
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public Bus Bus { get => bus; }
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public ushort PC { get => this.pc; set => this.pc = value; }
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public ref PinLevel RESET() => ref resetLine;
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public ref PinLevel INT() => ref intLine;
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public Bus Bus { get => this.bus; }
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protected byte OpCode { get => this.opcode; set => this.opcode = value; }
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public ref PinLevel RESET() => ref this.resetLine;
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public ref PinLevel INT() => ref this.intLine;
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public abstract int Step();
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public abstract int Execute();
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public int Run(int limit)
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{
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int current = 0;
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while (Powered && (current < limit))
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current += Step();
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while (this.Powered && (current < limit))
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{
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current += this.Step();
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}
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return current;
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}
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public int Execute(byte value)
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{
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OpCode = value;
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return Execute();
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this.OpCode = value;
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return this.Execute();
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}
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public abstract ushort PeekWord(ushort address);
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public abstract void PokeWord(ushort address, ushort value);
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public ushort PeekWord(byte low, byte high) => PeekWord((ushort)(PromoteByte(high) | low));
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public ushort PeekWord(byte low, byte high) => this.PeekWord((ushort)(Chip.PromoteByte(high) | low));
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public virtual void RaiseRESET()
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{
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OnRaisingRESET();
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RESET().Raise();
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OnRaisedRESET();
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this.OnRaisingRESET();
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this.RESET().Raise();
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this.OnRaisedRESET();
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}
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public virtual void LowerRESET()
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{
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OnLoweringRESET();
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RESET().Lower();
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OnLoweredRESET();
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this.OnLoweringRESET();
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this.RESET().Lower();
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this.OnLoweredRESET();
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}
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public virtual void RaiseINT()
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{
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OnRaisingINT();
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INT().Raise();
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OnRaisedINT();
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this.OnRaisingINT();
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this.INT().Raise();
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this.OnRaisedINT();
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}
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public virtual void LowerINT()
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{
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OnLoweringINT();
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INT().Lower();
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OnLoweredINT();
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this.OnLoweringINT();
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this.INT().Lower();
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this.OnLoweredINT();
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}
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protected virtual void OnRaisingRESET() => RaisingRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnRaisedRESET() => RaisedRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnRaisingRESET() => this.RaisingRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweringRESET() => LoweringRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweredRESET() => LoweredRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnRaisedRESET() => this.RaisedRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnRaisingINT() => RaisingINT?.Invoke(this, EventArgs.Empty);
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protected virtual void OnRaisedINT() => RaisedINT?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweringRESET() => this.LoweringRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweringINT() => LoweringINT?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweredINT() => LoweredINT?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweredRESET() => this.LoweredRESET?.Invoke(this, EventArgs.Empty);
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protected virtual void HandleRESET() => RaiseRESET();
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protected virtual void HandleINT() => RaiseINT();
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protected virtual void OnRaisingINT() => this.RaisingINT?.Invoke(this, EventArgs.Empty);
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#region BusWrite
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protected virtual void OnRaisedINT() => this.RaisedINT?.Invoke(this, EventArgs.Empty);
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protected void BusWrite(byte low, byte high, byte data) => BusWrite(MakeWord(low, high), data);
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protected virtual void OnLoweringINT() => this.LoweringINT?.Invoke(this, EventArgs.Empty);
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protected virtual void OnLoweredINT() => this.LoweredINT?.Invoke(this, EventArgs.Empty);
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protected virtual void HandleRESET() => this.RaiseRESET();
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protected virtual void HandleINT() => this.RaiseINT();
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protected void BusWrite(byte low, byte high, byte data) => this.BusWrite(Chip.MakeWord(low, high), data);
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protected void BusWrite(ushort address, byte data)
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{
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Bus.Address = address;
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BusWrite(data);
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this.Bus.Address = address;
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this.BusWrite(data);
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}
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protected void BusWrite(byte data)
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{
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Bus.Data = data;
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BusWrite();
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this.Bus.Data = data;
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this.BusWrite();
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}
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protected virtual void BusWrite() => Bus.Write(); // N.B. Should be the only real call into the "Bus.Write" code.
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protected virtual void BusWrite() => this.Bus.Write(); // N.B. Should be the only real call into the "Bus.Write" code.
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#endregion
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#region BusRead
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protected byte BusRead(byte low, byte high) => BusRead(MakeWord(low, high));
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protected byte BusRead(byte low, byte high) => this.BusRead(Chip.MakeWord(low, high));
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protected byte BusRead(ushort address)
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{
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Bus.Address = address;
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return BusRead();
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this.Bus.Address = address;
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return this.BusRead();
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}
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protected virtual byte BusRead() => Bus.Read(); // N.B. Should be the only real call into the "Bus.Read" code.
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protected virtual byte BusRead() => this.Bus.Read(); // N.B. Should be the only real call into the "Bus.Read" code.
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#endregion
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protected byte FetchByte() => BusRead(PC++);
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protected byte FetchByte() => this.BusRead(this.PC++);
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protected abstract ushort GetWord();
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protected abstract void SetWord(ushort value);
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protected abstract ushort GetWordPaged(byte page, byte offset);
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protected abstract void SetWordPaged(byte page, byte offset, ushort value);
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protected abstract void SetWord(ushort value);
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protected abstract ushort FetchWord();
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protected abstract ushort GetWordPaged(byte page, byte offset);
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protected abstract void Push(byte value);
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protected abstract byte Pop();
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protected abstract void SetWordPaged(byte page, byte offset, ushort value);
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protected abstract void PushWord(ushort value);
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protected abstract ushort PopWord();
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protected abstract ushort FetchWord();
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protected abstract void Push(byte value);
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protected abstract byte Pop();
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protected abstract void PushWord(ushort value);
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protected abstract ushort PopWord();
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protected ushort GetWord(ushort address)
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{
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Bus.Address = address;
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return GetWord();
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this.Bus.Address = address;
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return this.GetWord();
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}
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protected void SetWord(ushort address, ushort value)
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{
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Bus.Address = address;
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SetWord(value);
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this.Bus.Address = address;
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this.SetWord(value);
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}
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protected void Jump(ushort destination) => PC = destination;
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protected void Jump(ushort destination) => this.PC = destination;
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protected void Call(ushort destination)
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{
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PushWord(PC);
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Jump(destination);
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this.PushWord(this.PC);
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this.Jump(destination);
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}
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protected virtual void Return() => Jump(PopWord());
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protected virtual void Return() => this.Jump(this.PopWord());
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}
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}
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