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Tidy up some enumeration names in MC6850

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Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2019-04-24 16:16:47 +01:00
parent 15551adb68
commit bc06975796
3 changed files with 29 additions and 27 deletions
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49
MC6850/MC6850.cs
View File

@ -1,7 +1,6 @@
// <copyright file="MC6850.cs" company="Adrian Conlon">
// Copyright (c) Adrian Conlon. All rights reserved.
// </copyright>
namespace EightBit
{
using System;
@ -102,7 +101,7 @@ namespace EightBit
public event EventHandler<EventArgs> Received;
[Flags]
public enum ControlRegisters
public enum ControlRegister
{
None = 0,
CR0 = 0b1, // Counter divide
@ -160,7 +159,7 @@ namespace EightBit
// Transmit Data Register, the Receive Data Register and error logic,
// and the peripheral/modem status inputs of the ACIA
[Flags]
public enum StatusRegisters
public enum StatusRegister
{
None = 0,
@ -329,14 +328,14 @@ namespace EightBit
get
{
byte status = 0;
status = SetFlag(status, StatusRegisters.STATUS_RDRF, this.statusRDRF);
status = SetFlag(status, StatusRegisters.STATUS_TDRE, this.statusTDRE);
status = SetFlag(status, StatusRegisters.STATUS_DCD, this.DCD.Lowered());
status = SetFlag(status, StatusRegisters.STATUS_CTS, this.CTS.Raised());
status = ClearFlag(status, StatusRegisters.STATUS_FE);
status = SetFlag(status, StatusRegisters.STATUS_OVRN, this.statusOVRN);
status = ClearFlag(status, StatusRegisters.STATUS_PE);
return SetFlag(status, StatusRegisters.STATUS_IRQ, this.IRQ.Lowered());
status = SetFlag(status, StatusRegister.STATUS_RDRF, this.statusRDRF);
status = SetFlag(status, StatusRegister.STATUS_TDRE, this.statusTDRE);
status = SetFlag(status, StatusRegister.STATUS_DCD, this.DCD.Lowered());
status = SetFlag(status, StatusRegister.STATUS_CTS, this.CTS.Raised());
status = ClearFlag(status, StatusRegister.STATUS_FE);
status = SetFlag(status, StatusRegister.STATUS_OVRN, this.statusOVRN);
status = ClearFlag(status, StatusRegister.STATUS_PE);
return SetFlag(status, StatusRegister.STATUS_IRQ, this.IRQ.Lowered());
}
}
@ -364,16 +363,16 @@ namespace EightBit
{
if (writing)
{
this.counterDivide = (CounterDivideSelect)(this.DATA & (byte)(ControlRegisters.CR0 | ControlRegisters.CR1));
this.counterDivide = (CounterDivideSelect)(this.DATA & (byte)(ControlRegister.CR0 | ControlRegister.CR1));
if (this.counterDivide == CounterDivideSelect.MasterReset)
{
this.Reset();
}
else
{
this.wordSelect = (WordSelect)((this.DATA & (byte)(ControlRegisters.CR2 | ControlRegisters.CR3 | ControlRegisters.CR4)) >> 2);
this.transmitControl = (TransmitterControl)((this.DATA & (byte)(ControlRegisters.CR5 | ControlRegisters.CR6)) >> 5);
this.receiveControl = (ReceiveControl)((this.DATA & (byte)ControlRegisters.CR7) >> 7);
this.wordSelect = (WordSelect)((this.DATA & (byte)(ControlRegister.CR2 | ControlRegister.CR3 | ControlRegister.CR4)) >> 2);
this.transmitControl = (TransmitterControl)((this.DATA & (byte)(ControlRegister.CR5 | ControlRegister.CR6)) >> 5);
this.receiveControl = (ReceiveControl)((this.DATA & (byte)ControlRegister.CR7) >> 7);
if (this.TransmitReadyHigh)
{
this.RTS.Raise();
@ -442,14 +441,14 @@ namespace EightBit
var value = this.Status;
var returned = string.Empty;
returned += "(";
returned += (value & (byte)StatusRegisters.STATUS_IRQ) != 0 ? "IRQ" : "- ";
returned += (value & (byte)StatusRegisters.STATUS_PE) != 0 ? "PE " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_OVRN) != 0 ? "OVRN " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_FE) != 0 ? "FE " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_CTS) != 0 ? "CTS " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_DCD) != 0 ? "DCD " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_TDRE) != 0 ? "TDRE " : "- ";
returned += (value & (byte)StatusRegisters.STATUS_RDRF) != 0 ? "RDRF " : "- ";
returned += (value & (byte)StatusRegister.STATUS_IRQ) != 0 ? "IRQ" : "- ";
returned += (value & (byte)StatusRegister.STATUS_PE) != 0 ? "PE " : "- ";
returned += (value & (byte)StatusRegister.STATUS_OVRN) != 0 ? "OVRN " : "- ";
returned += (value & (byte)StatusRegister.STATUS_FE) != 0 ? "FE " : "- ";
returned += (value & (byte)StatusRegister.STATUS_CTS) != 0 ? "CTS " : "- ";
returned += (value & (byte)StatusRegister.STATUS_DCD) != 0 ? "DCD " : "- ";
returned += (value & (byte)StatusRegister.STATUS_TDRE) != 0 ? "TDRE " : "- ";
returned += (value & (byte)StatusRegister.STATUS_RDRF) != 0 ? "RDRF " : "- ";
returned += ") ";
return returned;
}
@ -458,9 +457,9 @@ namespace EightBit
////private static byte SetFlag(byte f, StatusRegisters flag, int condition) => SetFlag(f, (byte)flag, condition);
private static byte SetFlag(byte f, StatusRegisters flag, bool condition) => SetFlag(f, (byte)flag, condition);
private static byte SetFlag(byte f, StatusRegister flag, bool condition) => SetFlag(f, (byte)flag, condition);
private static byte ClearFlag(byte f, StatusRegisters flag) => ClearFlag(f, (byte)flag);
private static byte ClearFlag(byte f, StatusRegister flag) => ClearFlag(f, (byte)flag);
////private static byte ClearFlag(byte f, StatusRegisters flag, int condition) => ClearFlag(f, (byte)flag, condition);

1
MC6850/MC6850.csproj
View File

@ -22,6 +22,7 @@
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<LangVersion>latest</LangVersion>
<CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>

6
MC6850/Properties/AssemblyInfo.cs
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@ -1,5 +1,7 @@
using System.Reflection;
using System.Runtime.CompilerServices;
// <copyright file="AssemblyInfo.cs" company="Adrian Conlon">
// Copyright (c) Adrian Conlon. All rights reserved.
// </copyright>
using System.Reflection;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following