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BizHawk/ExternalCoreProjects/Virtu/Memory.cs

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C#
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using System;
using System.Linq;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using Jellyfish.Library;
using Jellyfish.Virtu.Services;
using Newtonsoft.Json;
namespace Jellyfish.Virtu
{
public enum MonitorType { Unknown, Standard, Enhanced };
public sealed partial class Memory : MachineComponent
{
public Memory()
{
InitializeWriteDelegates();
}
public Memory(Machine machine, byte[] appleIIe) :
base(machine)
{
_appleIIe = appleIIe;
InitializeWriteDelegates();
}
private void InitializeWriteDelegates()
{
WriteRamModeBankRegion = new Action<int, byte>[Video.ModeCount][][];
for (int mode = 0; mode < Video.ModeCount; mode++)
{
WriteRamModeBankRegion[mode] = new Action<int, byte>[BankCount][]
{
new Action<int, byte>[RegionCount], new Action<int, byte>[RegionCount]
};
}
WriteRamModeBankRegion[Video.Mode0][BankMain][Region0407] = WriteRamMode0MainRegion0407;
WriteRamModeBankRegion[Video.Mode0][BankMain][Region080B] = WriteRamMode0MainRegion080B;
WriteRamModeBankRegion[Video.Mode1][BankMain][Region0407] = WriteRamMode1MainRegion0407;
WriteRamModeBankRegion[Video.Mode1][BankMain][Region080B] = WriteRamMode1MainRegion080B;
WriteRamModeBankRegion[Video.Mode2][BankMain][Region0407] = WriteRamMode2MainRegion0407;
WriteRamModeBankRegion[Video.Mode2][BankMain][Region080B] = WriteRamMode2MainRegion080B;
WriteRamModeBankRegion[Video.Mode2][BankAux][Region0407] = WriteRamMode2AuxRegion0407;
WriteRamModeBankRegion[Video.Mode2][BankAux][Region080B] = WriteRamMode2AuxRegion080B;
WriteRamModeBankRegion[Video.Mode3][BankMain][Region0407] = WriteRamMode3MainRegion0407;
WriteRamModeBankRegion[Video.Mode3][BankMain][Region080B] = WriteRamMode3MainRegion080B;
WriteRamModeBankRegion[Video.Mode4][BankMain][Region0407] = WriteRamMode4MainRegion0407;
WriteRamModeBankRegion[Video.Mode4][BankMain][Region080B] = WriteRamMode4MainRegion080B;
WriteRamModeBankRegion[Video.Mode4][BankAux][Region0407] = WriteRamMode4AuxRegion0407;
WriteRamModeBankRegion[Video.Mode4][BankAux][Region080B] = WriteRamMode4AuxRegion080B;
WriteRamModeBankRegion[Video.Mode5][BankMain][Region203F] = WriteRamMode5MainRegion203F;
WriteRamModeBankRegion[Video.Mode5][BankMain][Region405F] = WriteRamMode5MainRegion405F;
WriteRamModeBankRegion[Video.Mode6][BankMain][Region0407] = WriteRamMode6MainRegion0407;
WriteRamModeBankRegion[Video.Mode6][BankMain][Region080B] = WriteRamMode6MainRegion080B;
WriteRamModeBankRegion[Video.Mode6][BankMain][Region203F] = WriteRamMode6MainRegion203F;
WriteRamModeBankRegion[Video.Mode6][BankMain][Region405F] = WriteRamMode6MainRegion405F;
WriteRamModeBankRegion[Video.Mode7][BankMain][Region0407] = WriteRamMode7MainRegion0407;
WriteRamModeBankRegion[Video.Mode7][BankMain][Region080B] = WriteRamMode7MainRegion080B;
WriteRamModeBankRegion[Video.Mode7][BankMain][Region203F] = WriteRamMode7MainRegion203F;
WriteRamModeBankRegion[Video.Mode7][BankMain][Region405F] = WriteRamMode7MainRegion405F;
WriteRamModeBankRegion[Video.Mode7][BankAux][Region0407] = WriteRamMode7AuxRegion0407;
WriteRamModeBankRegion[Video.Mode7][BankAux][Region080B] = WriteRamMode7AuxRegion080B;
WriteRamModeBankRegion[Video.Mode8][BankMain][Region0407] = WriteRamMode8MainRegion0407;
WriteRamModeBankRegion[Video.Mode8][BankMain][Region080B] = WriteRamMode8MainRegion080B;
WriteRamModeBankRegion[Video.Mode9][BankMain][Region0407] = WriteRamMode9MainRegion0407;
WriteRamModeBankRegion[Video.Mode9][BankMain][Region080B] = WriteRamMode9MainRegion080B;
WriteRamModeBankRegion[Video.Mode9][BankAux][Region0407] = WriteRamMode9AuxRegion0407;
WriteRamModeBankRegion[Video.Mode9][BankAux][Region080B] = WriteRamMode9AuxRegion080B;
WriteRamModeBankRegion[Video.ModeA][BankMain][Region0407] = WriteRamModeAMainRegion0407;
WriteRamModeBankRegion[Video.ModeA][BankMain][Region080B] = WriteRamModeAMainRegion080B;
WriteRamModeBankRegion[Video.ModeB][BankMain][Region0407] = WriteRamModeBMainRegion0407;
WriteRamModeBankRegion[Video.ModeB][BankMain][Region080B] = WriteRamModeBMainRegion080B;
WriteRamModeBankRegion[Video.ModeB][BankAux][Region0407] = WriteRamModeBAuxRegion0407;
WriteRamModeBankRegion[Video.ModeB][BankAux][Region080B] = WriteRamModeBAuxRegion080B;
WriteRamModeBankRegion[Video.ModeC][BankMain][Region203F] = WriteRamModeCMainRegion203F;
WriteRamModeBankRegion[Video.ModeC][BankMain][Region405F] = WriteRamModeCMainRegion405F;
WriteRamModeBankRegion[Video.ModeD][BankMain][Region203F] = WriteRamModeDMainRegion203F;
WriteRamModeBankRegion[Video.ModeD][BankMain][Region405F] = WriteRamModeDMainRegion405F;
WriteRamModeBankRegion[Video.ModeD][BankAux][Region203F] = WriteRamModeDAuxRegion203F;
WriteRamModeBankRegion[Video.ModeD][BankAux][Region405F] = WriteRamModeDAuxRegion405F;
WriteRamModeBankRegion[Video.ModeE][BankMain][Region0407] = WriteRamModeEMainRegion0407;
WriteRamModeBankRegion[Video.ModeE][BankMain][Region080B] = WriteRamModeEMainRegion080B;
WriteRamModeBankRegion[Video.ModeE][BankMain][Region203F] = WriteRamModeEMainRegion203F;
WriteRamModeBankRegion[Video.ModeE][BankMain][Region405F] = WriteRamModeEMainRegion405F;
WriteRamModeBankRegion[Video.ModeF][BankMain][Region0407] = WriteRamModeFMainRegion0407;
WriteRamModeBankRegion[Video.ModeF][BankMain][Region080B] = WriteRamModeFMainRegion080B;
WriteRamModeBankRegion[Video.ModeF][BankMain][Region203F] = WriteRamModeFMainRegion203F;
WriteRamModeBankRegion[Video.ModeF][BankMain][Region405F] = WriteRamModeFMainRegion405F;
WriteRamModeBankRegion[Video.ModeF][BankAux][Region0407] = WriteRamModeFAuxRegion0407;
WriteRamModeBankRegion[Video.ModeF][BankAux][Region080B] = WriteRamModeFAuxRegion080B;
WriteRamModeBankRegion[Video.ModeF][BankAux][Region203F] = WriteRamModeFAuxRegion203F;
WriteRamModeBankRegion[Video.ModeF][BankAux][Region405F] = WriteRamModeFAuxRegion405F;
_writeIoRegionC0C0 = WriteIoRegionC0C0; // cache delegates; avoids garbage
_writeIoRegionC1C7 = WriteIoRegionC1C7;
_writeIoRegionC3C3 = WriteIoRegionC3C3;
_writeIoRegionC8CF = WriteIoRegionC8CF;
_writeRomRegionD0FF = WriteRomRegionD0FF;
}
private byte[] _appleIIe;
public override void Initialize()
{
_keyboard = Machine.Keyboard;
_gamePort = Machine.GamePort;
_cassette = Machine.Cassette;
_speaker = Machine.Speaker;
_video = Machine.Video;
_noSlotClock = Machine.NoSlotClock;
// TODO: this is a lazy and more compicated way to do this
_romInternalRegionC1CF = _appleIIe
.Skip(0x100)
.Take(_romInternalRegionC1CF.Length)
.ToArray();
_romRegionD0DF = _appleIIe
.Skip(0x100 + _romInternalRegionC1CF.Length)
.Take(_romRegionD0DF.Length)
.ToArray();
_romRegionE0FF = _appleIIe
.Skip(0x100 + _romInternalRegionC1CF.Length + _romRegionD0DF.Length)
.Take(_romRegionE0FF.Length)
.ToArray();
if ((ReadRomRegionE0FF(0xFBB3) == 0x06) && (ReadRomRegionE0FF(0xFBBF) == 0xC1))
{
Monitor = MonitorType.Standard;
}
else if ((ReadRomRegionE0FF(0xFBB3) == 0x06) && (ReadRomRegionE0FF(0xFBBF) == 0x00) && (ReadRomRegionE0FF(0xFBC0) == 0xE0))
{
Monitor = MonitorType.Enhanced;
}
}
public override void Reset() // [7-3]
{
ResetState(State80Col | State80Store | StateAltChrSet | StateAltZP | StateBank1 | StateHRamRd | StateHRamPreWrt | StateHRamWrt | // HRamWrt' [5-23]
StateHires | StatePage2 | StateRamRd | StateRamWrt | StateIntCXRom | StateSlotC3Rom | StateIntC8Rom | StateAn0 | StateAn1 | StateAn2 | StateAn3);
SetState(StateDRes); // An3' -> DRes [8-20]
MapRegion0001();
MapRegion02BF();
MapRegionC0CF();
MapRegionD0FF();
}
public void LoadPrg(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
int startAddress = stream.ReadWord();
SetWarmEntry(startAddress); // assumes autostart monitor
Load(stream, startAddress);
}
public void LoadXex(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
const int Marker = 0xFFFF;
int marker = stream.ReadWord(); // mandatory marker
if (marker != Marker)
{
throw new InvalidOperationException(string.Format("Marker ${0:X04} not found.", Marker));
}
int startAddress = stream.ReadWord();
int endAddress = stream.ReadWord();
SetWarmEntry(startAddress); // assumes autostart monitor
do
{
if (startAddress > endAddress)
{
throw new InvalidOperationException(string.Format("Invalid address range ${0:X04}-${1:X04}.", startAddress, endAddress));
}
Load(stream, startAddress, endAddress - startAddress + 1);
marker = stream.ReadWord(optional: true); // optional marker
startAddress = (marker != Marker) ? marker : stream.ReadWord(optional: true);
endAddress = stream.ReadWord(optional: true);
}
while ((startAddress >= 0) && (endAddress >= 0));
}
#region Core Read & Write
public int ReadOpcode(int address)
{
int region = PageRegion[address >> 8];
var result = ((address & 0xF000) != 0xC000) ? _regionRead[region][address - RegionBaseAddress[region]] : ReadIoRegionC0CF(address);
if (ExecuteCallback != null)
{
ExecuteCallback((uint)address);
}
if (ReadCallback != null)
{
ReadCallback((uint)address);
}
return result;
}
public int Read(int address)
{
int region = PageRegion[address >> 8];
var result = ((address & 0xF000) != 0xC000) ? _regionRead[region][address - RegionBaseAddress[region]] : ReadIoRegionC0CF(address);
if (ReadCallback != null)
{
ReadCallback((uint)address);
}
return result;
}
public int Peek(int address)
{
int region = PageRegion[address >> 8];
return ((address & 0xF000) != 0xC000) ? _regionRead[region][address - RegionBaseAddress[region]] : ReadIoRegionC0CF(address);
}
public int ReadZeroPage(int address)
{
if (ReadCallback != null)
{
ReadCallback((uint)address);
}
return _zeroPage[address];
}
public void Write(int address, int data)
{
int region = PageRegion[address >> 8];
if (_writeRegion[region] == null)
{
if (WriteCallback != null)
{
WriteCallback((uint)address);
}
_regionWrite[region][address - RegionBaseAddress[region]] = (byte)data;
}
else
{
if (WriteCallback != null)
{
WriteCallback((uint)address);
}
_writeRegion[region](address, (byte)data);
}
}
public void WriteZeroPage(int address, int data)
{
if (WriteCallback != null)
{
WriteCallback((uint)address);
}
_zeroPage[address] = (byte)data;
}
#endregion
#region Read Actions
private int ReadIoRegionC0CF(int address)
{
switch (address & 0xFF00)
{
case 0xC000:
return ReadIoRegionC0C0(address);
case 0xC100:
case 0xC200:
case 0xC400:
case 0xC500:
case 0xC600:
case 0xC700:
return ReadIoRegionC1C7(address);
case 0xC300:
return ReadIoRegionC3C3(address);
case 0xC800:
case 0xC900:
case 0xCA00:
case 0xCB00:
case 0xCC00:
case 0xCD00:
case 0xCE00:
case 0xCF00:
return ReadIoRegionC8CF(address);
}
return _video.ReadFloatingBus();
}
private int ReadIoRegionC0C0(int address)
{
if ((0xC000 <= address && address <= 0xC00F) || (0xC061 <= address && address <= 0xC067) || (0xC069 <= address && address <= 0xC06F))
{
Machine.Lagged = false;
if (InputCallback != null)
{
InputCallback();
}
}
switch (address)
{
case 0xC000:
case 0xC001:
case 0xC002:
case 0xC003:
case 0xC004:
case 0xC005:
case 0xC006:
case 0xC007: // [7-15]
case 0xC008:
case 0xC009:
case 0xC00A:
case 0xC00B:
case 0xC00C:
case 0xC00D:
case 0xC00E:
case 0xC00F:
return SetBit7(_keyboard.Latch, _keyboard.Strobe);
case 0xC010:
_keyboard.ResetStrobe();
return SetBit7(_keyboard.Latch, _keyboard.IsAnyKeyDown);
case 0xC011:
return SetBit7(_keyboard.Latch, !IsHighRamBank1); // Bank1' [5-22]
case 0xC012:
return SetBit7(_keyboard.Latch, IsHighRamRead);
case 0xC013:
return SetBit7(_keyboard.Latch, IsRamReadAux);
case 0xC014:
return SetBit7(_keyboard.Latch, IsRamWriteAux);
case 0xC015:
return SetBit7(_keyboard.Latch, IsRomC1CFInternal);
case 0xC016:
return SetBit7(_keyboard.Latch, IsZeroPageAux);
case 0xC017:
return SetBit7(_keyboard.Latch, IsRomC3C3External);
case 0xC018:
return SetBit7(_keyboard.Latch, Is80Store);
case 0xC019:
return SetBit7(_keyboard.Latch, !_video.IsVBlank); // Vbl' [7-5]
case 0xC01A:
return SetBit7(_keyboard.Latch, IsText);
case 0xC01B:
return SetBit7(_keyboard.Latch, IsMixed);
case 0xC01C:
return SetBit7(_keyboard.Latch, IsPage2);
case 0xC01D:
return SetBit7(_keyboard.Latch, IsHires);
case 0xC01E:
return SetBit7(_keyboard.Latch, IsCharSetAlternate);
case 0xC01F:
return SetBit7(_keyboard.Latch, Is80Columns);
case 0xC020:
case 0xC021:
case 0xC022:
case 0xC023:
case 0xC024:
case 0xC025:
case 0xC026:
case 0xC027: // [7-8]
case 0xC028:
case 0xC029:
case 0xC02A:
case 0xC02B:
case 0xC02C:
case 0xC02D:
case 0xC02E:
case 0xC02F:
_cassette.ToggleOutput();
break;
case 0xC030:
case 0xC031:
case 0xC032:
case 0xC033:
case 0xC034:
case 0xC035:
case 0xC036:
case 0xC037: // [7-9]
case 0xC038:
case 0xC039:
case 0xC03A:
case 0xC03B:
case 0xC03C:
case 0xC03D:
case 0xC03E:
case 0xC03F:
_speaker.ToggleOutput();
break;
case 0xC040:
case 0xC041:
case 0xC042:
case 0xC043:
case 0xC044:
case 0xC045:
case 0xC046:
case 0xC047: // [2-18]
case 0xC048:
case 0xC049:
case 0xC04A:
case 0xC04B:
case 0xC04C:
case 0xC04D:
case 0xC04E:
case 0xC04F:
break;
case 0xC050:
case 0xC051:
SetText(TestBit(address, 0));
break;
case 0xC052:
case 0xC053:
SetMixed(TestBit(address, 0));
break;
case 0xC054:
case 0xC055:
SetPage2(TestBit(address, 0));
break;
case 0xC056:
case 0xC057:
SetHires(TestBit(address, 0));
break;
case 0xC058:
case 0xC059:
SetAnnunciator0(TestBit(address, 0));
break;
case 0xC05A:
case 0xC05B:
SetAnnunciator1(TestBit(address, 0));
break;
case 0xC05C:
case 0xC05D:
SetAnnunciator2(TestBit(address, 0));
break;
case 0xC05E:
case 0xC05F:
SetAnnunciator3(TestBit(address, 0));
SetDoubleRes(!TestBit(address, 0));
break;
case 0xC060:
case 0xC068: // [2-18, 7-5]
return SetBit7(_video.ReadFloatingBus(), _cassette.ReadInput()); // [7-8]
case 0xC061:
case 0xC069:
return SetBit7(_video.ReadFloatingBus(), _gamePort.ReadButton0());
case 0xC062:
case 0xC06A:
return SetBit7(_video.ReadFloatingBus(), _gamePort.ReadButton1());
case 0xC063:
case 0xC06B:
return SetBit7(_video.ReadFloatingBus(), _gamePort.ReadButton2());
case 0xC064:
case 0xC06C:
return SetBit7(_video.ReadFloatingBus(), _gamePort.Paddle0Strobe);
case 0xC065:
case 0xC06D:
return SetBit7(_video.ReadFloatingBus(), _gamePort.Paddle1Strobe);
case 0xC066:
case 0xC06E:
return SetBit7(_video.ReadFloatingBus(), _gamePort.Paddle2Strobe);
case 0xC067:
case 0xC06F:
return SetBit7(_video.ReadFloatingBus(), _gamePort.Paddle3Strobe);
case 0xC070:
case 0xC071:
case 0xC072:
case 0xC073:
case 0xC074:
case 0xC075:
case 0xC076:
case 0xC077:
case 0xC078:
case 0xC079:
case 0xC07A:
case 0xC07B:
case 0xC07C:
case 0xC07D:
case 0xC07E:
case 0xC07F:
_gamePort.TriggerTimers();
break;
case 0xC080:
case 0xC081:
case 0xC082:
case 0xC083:
case 0xC084:
case 0xC085:
case 0xC086:
case 0xC087: // slot0 [5-23]
case 0xC088:
case 0xC089:
case 0xC08A:
case 0xC08B:
case 0xC08C:
case 0xC08D:
case 0xC08E:
case 0xC08F:
SetHighRam(address, true);
break;
case 0xC090:
case 0xC091:
case 0xC092:
case 0xC093:
case 0xC094:
case 0xC095:
case 0xC096:
case 0xC097: // slot1
case 0xC098:
case 0xC099:
case 0xC09A:
case 0xC09B:
case 0xC09C:
case 0xC09D:
case 0xC09E:
case 0xC09F:
return Machine.Slot1.ReadIoRegionC0C0(address);
case 0xC0A0:
case 0xC0A1:
case 0xC0A2:
case 0xC0A3:
case 0xC0A4:
case 0xC0A5:
case 0xC0A6:
case 0xC0A7: // slot2
case 0xC0A8:
case 0xC0A9:
case 0xC0AA:
case 0xC0AB:
case 0xC0AC:
case 0xC0AD:
case 0xC0AE:
case 0xC0AF:
return Machine.Slot2.ReadIoRegionC0C0(address);
case 0xC0B0:
case 0xC0B1:
case 0xC0B2:
case 0xC0B3:
case 0xC0B4:
case 0xC0B5:
case 0xC0B6:
case 0xC0B7: // slot3
case 0xC0B8:
case 0xC0B9:
case 0xC0BA:
case 0xC0BB:
case 0xC0BC:
case 0xC0BD:
case 0xC0BE:
case 0xC0BF:
return Machine.Slot3.ReadIoRegionC0C0(address);
case 0xC0C0:
case 0xC0C1:
case 0xC0C2:
case 0xC0C3:
case 0xC0C4:
case 0xC0C5:
case 0xC0C6:
case 0xC0C7: // slot4
case 0xC0C8:
case 0xC0C9:
case 0xC0CA:
case 0xC0CB:
case 0xC0CC:
case 0xC0CD:
case 0xC0CE:
case 0xC0CF:
return Machine.Slot4.ReadIoRegionC0C0(address);
case 0xC0D0:
case 0xC0D1:
case 0xC0D2:
case 0xC0D3:
case 0xC0D4:
case 0xC0D5:
case 0xC0D6:
case 0xC0D7: // slot5
case 0xC0D8:
case 0xC0D9:
case 0xC0DA:
case 0xC0DB:
case 0xC0DC:
case 0xC0DD:
case 0xC0DE:
case 0xC0DF:
return Machine.Slot5.ReadIoRegionC0C0(address);
case 0xC0E0:
case 0xC0E1:
case 0xC0E2:
case 0xC0E3:
case 0xC0E4:
case 0xC0E5:
case 0xC0E6:
case 0xC0E7: // slot6
case 0xC0E8:
case 0xC0E9:
case 0xC0EA:
case 0xC0EB:
case 0xC0EC:
case 0xC0ED:
case 0xC0EE:
case 0xC0EF:
return Machine.Slot6.ReadIoRegionC0C0(address);
case 0xC0F0:
case 0xC0F1:
case 0xC0F2:
case 0xC0F3:
case 0xC0F4:
case 0xC0F5:
case 0xC0F6:
case 0xC0F7: // slot7
case 0xC0F8:
case 0xC0F9:
case 0xC0FA:
case 0xC0FB:
case 0xC0FC:
case 0xC0FD:
case 0xC0FE:
case 0xC0FF:
return Machine.Slot7.ReadIoRegionC0C0(address);
default:
throw new ArgumentOutOfRangeException("address");
}
return _video.ReadFloatingBus();
}
private int ReadIoRegionC1C7(int address)
{
_slotRegionC8CF = (address >> 8) & 0x07;
return IsRomC1CFInternal ? _romInternalRegionC1CF[address - 0xC100] : Machine.Slots[_slotRegionC8CF].ReadIoRegionC1C7(address);
}
private int ReadIoRegionC3C3(int address)
{
_slotRegionC8CF = 3;
if (!IsRomC3C3External)
{
SetRomC8CF(true); // $C3XX sets IntC8Rom; inhibits I/O Strobe' [5-28, 7-21]
}
return (IsRomC1CFInternal || !IsRomC3C3External) ? _noSlotClock.Read(address, _romInternalRegionC1CF[address - 0xC100]) : Machine.Slot3.ReadIoRegionC1C7(address);
}
private int ReadIoRegionC8CF(int address)
{
if (address == 0xCFFF)
{
SetRomC8CF(false); // $CFFF resets IntC8Rom [5-28, 7-21]
}
return (IsRomC1CFInternal || IsRomC8CFInternal) ? _noSlotClock.Read(address, _romInternalRegionC1CF[address - 0xC100]) : Machine.Slots[_slotRegionC8CF].ReadIoRegionC8CF(address);
}
public int ReadRamMainRegion02BF(int address)
{
return _ramMainRegion02BF[address - 0x0200];
}
public int ReadRamAuxRegion02BF(int address)
{
return _ramAuxRegion02BF[address - 0x0200];
}
public int ReadRomRegionE0FF(int address)
{
return _romRegionE0FF[address - 0xE000];
}
#endregion
#region Write Actions
private void WriteIoRegionC0C0(int address, byte data)
{
switch (address)
{
case 0xC000:
case 0xC001: // [5-22]
Set80Store(TestBit(address, 0));
break;
case 0xC002:
case 0xC003:
SetRamRead(TestBit(address, 0));
break;
case 0xC004:
case 0xC005:
SetRamWrite(TestBit(address, 0));
break;
case 0xC006:
case 0xC007:
SetRomC1CF(TestBit(address, 0));
break;
case 0xC008:
case 0xC009:
SetZeroPage(TestBit(address, 0));
break;
case 0xC00A:
case 0xC00B:
SetRomC3C3(TestBit(address, 0));
break;
case 0xC00C:
case 0xC00D: // [7-5]
Set80Columns(TestBit(address, 0));
break;
case 0xC00E:
case 0xC00F:
SetCharSet(TestBit(address, 0));
break;
case 0xC010:
case 0xC011:
case 0xC012:
case 0xC013:
case 0xC014:
case 0xC015:
case 0xC016:
case 0xC017: // [7-15]
case 0xC018:
case 0xC019:
case 0xC01A:
case 0xC01B:
case 0xC01C:
case 0xC01D:
case 0xC01E:
case 0xC01F:
_keyboard.ResetStrobe();
break;
case 0xC020:
case 0xC021:
case 0xC022:
case 0xC023:
case 0xC024:
case 0xC025:
case 0xC026:
case 0xC027: // [7-8]
case 0xC028:
case 0xC029:
case 0xC02A:
case 0xC02B:
case 0xC02C:
case 0xC02D:
case 0xC02E:
case 0xC02F:
_cassette.ToggleOutput();
break;
case 0xC030:
case 0xC031:
case 0xC032:
case 0xC033:
case 0xC034:
case 0xC035:
case 0xC036:
case 0xC037: // [7-9]
case 0xC038:
case 0xC039:
case 0xC03A:
case 0xC03B:
case 0xC03C:
case 0xC03D:
case 0xC03E:
case 0xC03F:
_speaker.ToggleOutput();
break;
case 0xC040:
case 0xC041:
case 0xC042:
case 0xC043:
case 0xC044:
case 0xC045:
case 0xC046:
case 0xC047: // [2-18]
case 0xC048:
case 0xC049:
case 0xC04A:
case 0xC04B:
case 0xC04C:
case 0xC04D:
case 0xC04E:
case 0xC04F:
break;
case 0xC050:
case 0xC051:
SetText(TestBit(address, 0));
break;
case 0xC052:
case 0xC053:
SetMixed(TestBit(address, 0));
break;
case 0xC054:
case 0xC055:
SetPage2(TestBit(address, 0));
break;
case 0xC056:
case 0xC057:
SetHires(TestBit(address, 0));
break;
case 0xC058:
case 0xC059:
SetAnnunciator0(TestBit(address, 0));
break;
case 0xC05A:
case 0xC05B:
SetAnnunciator1(TestBit(address, 0));
break;
case 0xC05C:
case 0xC05D:
SetAnnunciator2(TestBit(address, 0));
break;
case 0xC05E:
case 0xC05F:
SetAnnunciator3(TestBit(address, 0));
SetDoubleRes(!TestBit(address, 0));
break;
case 0xC060:
case 0xC061:
case 0xC062:
case 0xC063:
case 0xC064:
case 0xC065:
case 0xC066:
case 0xC067: // [2-18, 7-5]
case 0xC068:
case 0xC069:
case 0xC06A:
case 0xC06B:
case 0xC06C:
case 0xC06D:
case 0xC06E:
case 0xC06F:
break;
case 0xC070:
case 0xC071:
case 0xC072:
case 0xC073:
case 0xC074:
case 0xC075:
case 0xC076:
case 0xC077:
case 0xC078:
case 0xC079:
case 0xC07A:
case 0xC07B:
case 0xC07C:
case 0xC07D:
case 0xC07E:
case 0xC07F:
_gamePort.TriggerTimers();
break;
case 0xC080:
case 0xC081:
case 0xC082:
case 0xC083:
case 0xC084:
case 0xC085:
case 0xC086:
case 0xC087: // slot0 [5-23]
case 0xC088:
case 0xC089:
case 0xC08A:
case 0xC08B:
case 0xC08C:
case 0xC08D:
case 0xC08E:
case 0xC08F:
SetHighRam(address, false);
break;
case 0xC090:
case 0xC091:
case 0xC092:
case 0xC093:
case 0xC094:
case 0xC095:
case 0xC096:
case 0xC097: // slot1
case 0xC098:
case 0xC099:
case 0xC09A:
case 0xC09B:
case 0xC09C:
case 0xC09D:
case 0xC09E:
case 0xC09F:
Machine.Slot1.WriteIoRegionC0C0(address, data);
break;
case 0xC0A0:
case 0xC0A1:
case 0xC0A2:
case 0xC0A3:
case 0xC0A4:
case 0xC0A5:
case 0xC0A6:
case 0xC0A7: // slot2
case 0xC0A8:
case 0xC0A9:
case 0xC0AA:
case 0xC0AB:
case 0xC0AC:
case 0xC0AD:
case 0xC0AE:
case 0xC0AF:
Machine.Slot2.WriteIoRegionC0C0(address, data);
break;
case 0xC0B0:
case 0xC0B1:
case 0xC0B2:
case 0xC0B3:
case 0xC0B4:
case 0xC0B5:
case 0xC0B6:
case 0xC0B7: // slot3
case 0xC0B8:
case 0xC0B9:
case 0xC0BA:
case 0xC0BB:
case 0xC0BC:
case 0xC0BD:
case 0xC0BE:
case 0xC0BF:
Machine.Slot3.WriteIoRegionC0C0(address, data);
break;
case 0xC0C0:
case 0xC0C1:
case 0xC0C2:
case 0xC0C3:
case 0xC0C4:
case 0xC0C5:
case 0xC0C6:
case 0xC0C7: // slot4
case 0xC0C8:
case 0xC0C9:
case 0xC0CA:
case 0xC0CB:
case 0xC0CC:
case 0xC0CD:
case 0xC0CE:
case 0xC0CF:
Machine.Slot4.WriteIoRegionC0C0(address, data);
break;
case 0xC0D0:
case 0xC0D1:
case 0xC0D2:
case 0xC0D3:
case 0xC0D4:
case 0xC0D5:
case 0xC0D6:
case 0xC0D7: // slot5
case 0xC0D8:
case 0xC0D9:
case 0xC0DA:
case 0xC0DB:
case 0xC0DC:
case 0xC0DD:
case 0xC0DE:
case 0xC0DF:
Machine.Slot5.WriteIoRegionC0C0(address, data);
break;
case 0xC0E0:
case 0xC0E1:
case 0xC0E2:
case 0xC0E3:
case 0xC0E4:
case 0xC0E5:
case 0xC0E6:
case 0xC0E7: // slot6
case 0xC0E8:
case 0xC0E9:
case 0xC0EA:
case 0xC0EB:
case 0xC0EC:
case 0xC0ED:
case 0xC0EE:
case 0xC0EF:
Machine.Slot6.WriteIoRegionC0C0(address, data);
break;
case 0xC0F0:
case 0xC0F1:
case 0xC0F2:
case 0xC0F3:
case 0xC0F4:
case 0xC0F5:
case 0xC0F6:
case 0xC0F7: // slot7
case 0xC0F8:
case 0xC0F9:
case 0xC0FA:
case 0xC0FB:
case 0xC0FC:
case 0xC0FD:
case 0xC0FE:
case 0xC0FF:
Machine.Slot7.WriteIoRegionC0C0(address, data);
break;
default:
throw new ArgumentOutOfRangeException("address");
}
}
private void WriteIoRegionC1C7(int address, byte data)
{
_slotRegionC8CF = (address >> 8) & 0x07;
if (!IsRomC1CFInternal)
{
Machine.Slots[_slotRegionC8CF].WriteIoRegionC1C7(address, data);
}
}
private void WriteIoRegionC3C3(int address, byte data)
{
_slotRegionC8CF = 3;
if (!IsRomC3C3External)
{
SetRomC8CF(true); // $C3XX sets IntC8Rom; inhibits I/O Strobe' [5-28, 7-21]
}
if (IsRomC1CFInternal || !IsRomC3C3External)
{
_noSlotClock.Write(address);
}
else
{
Machine.Slot3.WriteIoRegionC1C7(address, data);
}
}
private void WriteIoRegionC8CF(int address, byte data)
{
if (address == 0xCFFF)
{
SetRomC8CF(false); // $CFFF resets IntC8Rom [5-28, 7-21]
}
if (IsRomC1CFInternal || IsRomC8CFInternal)
{
_noSlotClock.Write(address);
}
else
{
Machine.Slots[_slotRegionC8CF].WriteIoRegionC8CF(address, data);
}
}
private void WriteRamMode0MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // lores page1
}
}
private void WriteRamMode0MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // lores page2
}
}
private void WriteRamMode1MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // text40 page1
}
}
private void WriteRamMode1MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // text40 page2
}
}
private void WriteRamMode2MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // text80 page1
}
}
private void WriteRamMode2MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // text80 page2
}
}
private void WriteRamMode2AuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // text80 page1
}
}
private void WriteRamMode2AuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // text80 page2
}
}
private void WriteRamMode3MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // lores & text40 page1
}
}
private void WriteRamMode3MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // lores & text40 page2
}
}
private void WriteRamMode4MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // lores & text80 page1
}
}
private void WriteRamMode4MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // lores & text80 page2
}
}
private void WriteRamMode4AuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [lores &] text80 page1
}
}
private void WriteRamMode4AuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [lores &] text80 page2
}
}
private void WriteRamMode5MainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x2000); // hires page1
}
}
private void WriteRamMode5MainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x4000); // hires page2
}
}
private void WriteRamMode6MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [hires &] text40 page1
}
}
private void WriteRamMode6MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [hires &] text40 page2
}
}
private void WriteRamMode6MainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x2000); // hires [& text40] page1
}
}
private void WriteRamMode6MainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x4000); // hires [& text40] page2
}
}
private void WriteRamMode7MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [hires &] text80 page1
}
}
private void WriteRamMode7MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [hires &] text80 page2
}
}
private void WriteRamMode7MainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x2000); // hires [& text80] page1
}
}
private void WriteRamMode7MainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x4000); // hires [& text80] page2
}
}
private void WriteRamMode7AuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [hires &] text80 page1
}
}
private void WriteRamMode7AuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [hires &] text80 page2
}
}
private void WriteRamMode8MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // 7mlores page1
}
}
private void WriteRamMode8MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // 7mlores page2
}
}
private void WriteRamMode9MainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // dlores page1
}
}
private void WriteRamMode9MainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // dlores page2
}
}
private void WriteRamMode9AuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // dlores page1
}
}
private void WriteRamMode9AuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // dlores page2
}
}
private void WriteRamModeAMainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // 7mlores & text40 page1
}
}
private void WriteRamModeAMainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // 7mlores & text40 page2
}
}
private void WriteRamModeBMainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // dlores & text80 page1
}
}
private void WriteRamModeBMainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // dlores & text80 page2
}
}
private void WriteRamModeBAuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0400); // dlores & text80 page1
}
}
private void WriteRamModeBAuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x0800); // dlores & text80 page2
}
}
private void WriteRamModeCMainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x2000); // ndhires page1
}
}
private void WriteRamModeCMainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x4000); // ndhires page2
}
}
private void WriteRamModeDMainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x2000); // dhires page1
}
}
private void WriteRamModeDMainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x4000); // dhires page2
}
}
private void WriteRamModeDAuxRegion203F(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x2000); // dhires page1
}
}
private void WriteRamModeDAuxRegion405F(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCell(address - 0x4000); // dhires page2
}
}
private void WriteRamModeEMainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [ndhires &] text40 page1
}
}
private void WriteRamModeEMainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [ndhires &] text40 page2
}
}
private void WriteRamModeEMainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x2000); // ndhires [& text40] page1
}
}
private void WriteRamModeEMainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x4000); // ndhires [& text40] page2
}
}
private void WriteRamModeFMainRegion0407(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [dhires &] text80 page1
}
}
private void WriteRamModeFMainRegion080B(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [dhires &] text80 page2
}
}
private void WriteRamModeFMainRegion203F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x2000); // dhires [& text80] page1
}
}
private void WriteRamModeFMainRegion405F(int address, byte data)
{
if (_ramMainRegion02BF[address - 0x0200] != data)
{
_ramMainRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x4000); // dhires [& text80] page2
}
}
private void WriteRamModeFAuxRegion0407(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0400); // [dhires &] text80 page1
}
}
private void WriteRamModeFAuxRegion080B(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixedText(address - 0x0800); // [dhires &] text80 page2
}
}
private void WriteRamModeFAuxRegion203F(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x2000); // dhires [& text80] page1
}
}
private void WriteRamModeFAuxRegion405F(int address, byte data)
{
if (_ramAuxRegion02BF[address - 0x0200] != data)
{
_ramAuxRegion02BF[address - 0x0200] = data;
_video.DirtyCellMixed(address - 0x4000); // dhires [& text80] page2
}
}
private void WriteRomRegionD0FF(int address, byte data)
{
}
#endregion
#region Softswitch Actions
private void MapRegion0001()
{
if (!IsZeroPageAux)
{
_regionRead[Region0001] = _ramMainRegion0001;
_regionWrite[Region0001] = _ramMainRegion0001;
_zeroPage = _ramMainRegion0001;
}
else
{
_regionRead[Region0001] = _ramAuxRegion0001;
_regionWrite[Region0001] = _ramAuxRegion0001;
_zeroPage = _ramAuxRegion0001;
}
_writeRegion[Region0001] = null;
}
private void MapRegion02BF()
{
if (!IsRamReadAux)
{
_regionRead[Region02BF] = _ramMainRegion02BF;
_regionRead[Region080B] = _ramMainRegion02BF;
_regionRead[Region405F] = _ramMainRegion02BF;
}
else
{
_regionRead[Region02BF] = _ramAuxRegion02BF;
_regionRead[Region080B] = _ramAuxRegion02BF;
_regionRead[Region405F] = _ramAuxRegion02BF;
}
int mode = VideoMode;
if (!IsRamWriteAux)
{
_regionWrite[Region02BF] = _ramMainRegion02BF;
_regionWrite[Region080B] = _ramMainRegion02BF;
_regionWrite[Region405F] = _ramMainRegion02BF;
_writeRegion[Region02BF] = null;
_writeRegion[Region080B] = WriteRamModeBankRegion[mode][BankMain][Region080B];
_writeRegion[Region405F] = WriteRamModeBankRegion[mode][BankMain][Region405F];
}
else
{
_regionWrite[Region02BF] = _ramAuxRegion02BF;
_regionWrite[Region080B] = _ramAuxRegion02BF;
_regionWrite[Region405F] = _ramAuxRegion02BF;
_writeRegion[Region02BF] = null;
_writeRegion[Region080B] = WriteRamModeBankRegion[mode][BankAux][Region080B];
_writeRegion[Region405F] = WriteRamModeBankRegion[mode][BankAux][Region405F];
}
MapRegion0407();
MapRegion203F();
}
private void MapRegion0407()
{
if (!IsRamReadAuxRegion0407)
{
_regionRead[Region0407] = _ramMainRegion02BF;
}
else
{
_regionRead[Region0407] = _ramAuxRegion02BF;
}
int mode = VideoMode;
if (!IsRamWriteAuxRegion0407)
{
_regionWrite[Region0407] = _ramMainRegion02BF;
_writeRegion[Region0407] = WriteRamModeBankRegion[mode][BankMain][Region0407];
}
else
{
_regionWrite[Region0407] = _ramAuxRegion02BF;
_writeRegion[Region0407] = WriteRamModeBankRegion[mode][BankAux][Region0407];
}
}
private void MapRegion203F()
{
if (!IsRamReadAuxRegion203F)
{
_regionRead[Region203F] = _ramMainRegion02BF;
}
else
{
_regionRead[Region203F] = _ramAuxRegion02BF;
}
int mode = VideoMode;
if (!IsRamWriteAuxRegion203F)
{
_regionWrite[Region203F] = _ramMainRegion02BF;
_writeRegion[Region203F] = WriteRamModeBankRegion[mode][BankMain][Region203F];
}
else
{
_regionWrite[Region203F] = _ramAuxRegion02BF;
_writeRegion[Region203F] = WriteRamModeBankRegion[mode][BankAux][Region203F];
}
}
private void MapRegionC0CF()
{
_regionRead[RegionC0C0] = null;
if (IsRomC1CFInternal)
{
_regionRead[RegionC1C7] = _romInternalRegionC1CF;
_regionRead[RegionC3C3] = _romInternalRegionC1CF;
_regionRead[RegionC8CF] = _romInternalRegionC1CF;
}
else
{
_regionRead[RegionC1C7] = _romExternalRegionC1CF;
_regionRead[RegionC3C3] = IsRomC3C3External ? _romExternalRegionC1CF : _romInternalRegionC1CF;
_regionRead[RegionC8CF] = !IsRomC8CFInternal ? _romExternalRegionC1CF : _romInternalRegionC1CF;
}
_regionWrite[RegionC0C0] = null;
_regionWrite[RegionC1C7] = null;
_regionWrite[RegionC3C3] = null;
_regionWrite[RegionC8CF] = null;
_writeRegion[RegionC0C0] = _writeIoRegionC0C0;
_writeRegion[RegionC1C7] = _writeIoRegionC1C7;
_writeRegion[RegionC3C3] = _writeIoRegionC3C3;
_writeRegion[RegionC8CF] = _writeIoRegionC8CF;
}
private void MapRegionD0FF()
{
if (IsHighRamRead)
{
if (!IsHighRamAux)
{
_regionRead[RegionD0DF] = IsHighRamBank1 ? _ramMainBank1RegionD0DF : _ramMainBank2RegionD0DF;
_regionRead[RegionE0FF] = _ramMainRegionE0FF;
}
else
{
_regionRead[RegionD0DF] = IsHighRamBank1 ? _ramAuxBank1RegionD0DF : _ramAuxBank2RegionD0DF;
_regionRead[RegionE0FF] = _ramAuxRegionE0FF;
}
}
else
{
_regionRead[RegionD0DF] = _romRegionD0DF;
_regionRead[RegionE0FF] = _romRegionE0FF;
}
if (IsHighRamWrite)
{
if (!IsHighRamAux)
{
_regionWrite[RegionD0DF] = IsHighRamBank1 ? _ramMainBank1RegionD0DF : _ramMainBank2RegionD0DF;
_regionWrite[RegionE0FF] = _ramMainRegionE0FF;
}
else
{
_regionWrite[RegionD0DF] = IsHighRamBank1 ? _ramAuxBank1RegionD0DF : _ramAuxBank2RegionD0DF;
_regionWrite[RegionE0FF] = _ramAuxRegionE0FF;
}
_writeRegion[RegionD0DF] = null;
_writeRegion[RegionE0FF] = null;
}
else
{
_regionWrite[RegionD0DF] = null;
_regionWrite[RegionE0FF] = null;
_writeRegion[RegionD0DF] = _writeRomRegionD0FF;
_writeRegion[RegionE0FF] = _writeRomRegionD0FF;
}
}
private void Set80Columns(bool value)
{
if (!TestState(State80Col, value))
{
SetState(State80Col, value);
MapRegion02BF();
_video.DirtyScreen();
}
}
private void Set80Store(bool value)
{
if (!TestState(State80Store, value))
{
SetState(State80Store, value);
if (IsPage2) // [5-7, 8-19]
{
MapRegion02BF();
_video.DirtyScreen();
}
else
{
MapRegion0407();
MapRegion203F();
}
}
}
private void SetAnnunciator0(bool value)
{
SetState(StateAn0, value);
}
private void SetAnnunciator1(bool value)
{
SetState(StateAn1, value);
}
private void SetAnnunciator2(bool value)
{
SetState(StateAn2, value);
}
private void SetAnnunciator3(bool value)
{
SetState(StateAn3, value);
}
private void SetCharSet(bool value)
{
if (!TestState(StateAltChrSet, value))
{
SetState(StateAltChrSet, value);
_video.SetCharSet();
}
}
private void SetDoubleRes(bool value)
{
if (!TestState(StateDRes, value))
{
SetState(StateDRes, value);
MapRegion02BF();
_video.DirtyScreen();
}
}
private void SetHighRam(int address, bool isRead)
{
SetState(StateBank1, TestBit(address, 3)); // A3 [5-22]
SetState(StateHRamRd, TestMask(address, 0x3, 0x3) || TestMask(address, 0x3, 0x0)); // A0.A1+A0'.A1' [5-23] (5-22 misprint)
if (TestBit(address, 0)) // A0 [5-23]
{
if (isRead && TestState(StateHRamPreWrt))
{
ResetState(StateHRamWrt); // HRamWrt' [5-23]
}
}
else
{
SetState(StateHRamWrt);
}
SetState(StateHRamPreWrt, isRead && TestBit(address, 0)); // A0.R/W' [5-22]
MapRegionD0FF();
}
private void SetHires(bool value)
{
if (!TestState(StateHires, value))
{
SetState(StateHires, value);
if (!Is80Store) // [5-7, 8-19]
{
MapRegion02BF();
_video.DirtyScreen();
}
else
{
MapRegion203F();
}
}
}
private void SetMixed(bool value)
{
if (!TestState(StateMixed, value))
{
SetState(StateMixed, value);
MapRegion02BF();
_video.DirtyScreen();
}
}
private void SetPage2(bool value)
{
if (!TestState(StatePage2, value))
{
SetState(StatePage2, value);
if (!Is80Store) // [5-7, 8-19]
{
MapRegion02BF();
_video.DirtyScreen();
}
else
{
MapRegion0407();
MapRegion203F();
}
}
}
private void SetRamRead(bool value)
{
if (!TestState(StateRamRd, value))
{
SetState(StateRamRd, value);
MapRegion02BF();
}
}
private void SetRamWrite(bool value)
{
if (!TestState(StateRamWrt, value))
{
SetState(StateRamWrt, value);
MapRegion02BF();
}
}
private void SetRomC1CF(bool value)
{
if (!TestState(StateIntCXRom, value))
{
SetState(StateIntCXRom, value);
MapRegionC0CF();
}
}
private void SetRomC3C3(bool value)
{
if (!TestState(StateSlotC3Rom, value))
{
SetState(StateSlotC3Rom, value);
MapRegionC0CF();
}
}
private void SetRomC8CF(bool value)
{
if (!TestState(StateIntC8Rom, value))
{
SetState(StateIntC8Rom, value);
MapRegionC0CF();
}
}
private void SetText(bool value)
{
if (!TestState(StateText, value))
{
SetState(StateText, value);
MapRegion02BF();
_video.DirtyScreen();
}
}
private void SetZeroPage(bool value)
{
if (!TestState(StateAltZP, value))
{
SetState(StateAltZP, value);
MapRegion0001();
MapRegionD0FF();
}
}
#endregion
private void Load(Stream stream, int startAddress)
{
DebugService.WriteMessage("Loading memory ${0:X04}", startAddress);
int address = startAddress;
if (address < 0x0200)
{
address += stream.ReadBlock(_ramMainRegion0001, address, minCount: 0);
}
if ((0x0200 <= address) && (address < 0xC000))
{
address += stream.ReadBlock(_ramMainRegion02BF, address - 0x0200, minCount: 0);
}
if ((0xC000 <= address) && (address < 0xD000))
{
address += stream.ReadBlock(_ramMainBank1RegionD0DF, address - 0xC000, minCount: 0);
}
if ((0xD000 <= address) && (address < 0xE000))
{
address += stream.ReadBlock(_ramMainBank2RegionD0DF, address - 0xD000, minCount: 0);
}
if (0xE000 <= address)
{
address += stream.ReadBlock(_ramMainRegionE0FF, address - 0xE000, minCount: 0);
}
if (address > startAddress)
{
DebugService.WriteMessage("Loaded memory ${0:X04}-${1:X04} (${2:X04})", startAddress, address - 1, address - startAddress);
}
}
private void Load(Stream stream, int startAddress, int length)
{
DebugService.WriteMessage("Loading memory ${0:X04}-${1:X04} (${2:X04})", startAddress, startAddress + length - 1, length);
int address = startAddress;
if (address < 0x0200)
{
address += stream.ReadBlock(_ramMainRegion0001, address, ref length);
}
if ((0x0200 <= address) && (address < 0xC000))
{
address += stream.ReadBlock(_ramMainRegion02BF, address - 0x0200, ref length);
}
if ((0xC000 <= address) && (address < 0xD000))
{
address += stream.ReadBlock(_ramMainBank1RegionD0DF, address - 0xC000, ref length);
}
if ((0xD000 <= address) && (address < 0xE000))
{
address += stream.ReadBlock(_ramMainBank2RegionD0DF, address - 0xD000, ref length);
}
if (0xE000 <= address)
{
address += stream.ReadBlock(_ramMainRegionE0FF, address - 0xE000, ref length);
}
}
private void SetWarmEntry(int address)
{
_ramMainRegion02BF[0x03F2 - 0x0200] = (byte)(address & 0xFF);
_ramMainRegion02BF[0x03F3 - 0x0200] = (byte)(address >> 8);
_ramMainRegion02BF[0x03F4 - 0x0200] = (byte)((address >> 8) ^ 0xA5);
}
private static int SetBit7(int data, bool value)
{
return value ? (data | 0x80) : (data & 0x7F);
}
private static bool TestBit(int data, int bit)
{
return ((data & (0x1 << bit)) != 0x0);
}
private static bool TestMask(int data, int mask, int value)
{
return ((data & mask) == value);
}
private void ResetState(int mask)
{
_state &= ~mask;
}
private void SetState(int mask)
{
_state |= mask;
}
private void SetState(int mask, bool value)
{
if (value)
{
_state |= mask;
}
else
{
_state &= ~mask;
}
}
private bool TestState(int mask)
{
return ((_state & mask) != 0x0);
}
private bool TestState(int mask, bool value)
{
return (((_state & mask) != 0x0) == value);
}
private bool TestState(int mask, int value)
{
return ((_state & mask) == value);
}
public bool Is80Columns { get { return TestState(State80Col); } }
public bool Is80Store { get { return TestState(State80Store); } }
public bool IsAnnunciator0 { get { return TestState(StateAn0); } }
public bool IsAnnunciator1 { get { return TestState(StateAn1); } }
public bool IsAnnunciator2 { get { return TestState(StateAn2); } }
public bool IsAnnunciator3 { get { return TestState(StateAn3); } }
public bool IsCharSetAlternate { get { return TestState(StateAltChrSet); } }
public bool IsDoubleRes { get { return TestState(StateDRes); } }
public bool IsHighRamAux { get { return IsZeroPageAux; } }
public bool IsHighRamBank1 { get { return TestState(StateBank1); } }
public bool IsHighRamRead { get { return TestState(StateHRamRd); } }
public bool IsHighRamWrite { get { return !TestState(StateHRamWrt); } } // HRamWrt' [5-23]
public bool IsHires { get { return TestState(StateHires); } }
public bool IsMixed { get { return TestState(StateMixed); } }
public bool IsPage2 { get { return TestState(StatePage2); } }
public bool IsRamReadAux { get { return TestState(StateRamRd); } }
public bool IsRamReadAuxRegion0407 { get { return Is80Store ? IsPage2 : IsRamReadAux; } }
public bool IsRamReadAuxRegion203F { get { return TestState(State80Store | StateHires, State80Store | StateHires) ? IsPage2 : IsRamReadAux; } }
public bool IsRamWriteAux { get { return TestState(StateRamWrt); } }
public bool IsRamWriteAuxRegion0407 { get { return Is80Store ? IsPage2 : IsRamWriteAux; } }
public bool IsRamWriteAuxRegion203F { get { return TestState(State80Store | StateHires, State80Store | StateHires) ? IsPage2 : IsRamWriteAux; } }
public bool IsRomC1CFInternal { get { return TestState(StateIntCXRom); } }
public bool IsRomC3C3External { get { return TestState(StateSlotC3Rom); } }
public bool IsRomC8CFInternal { get { return TestState(StateIntC8Rom); } }
public bool IsText { get { return TestState(StateText); } }
public bool IsVideoPage2 { get { return TestState(State80Store | StatePage2, StatePage2); } } // 80Store inhibits video Page2 [5-7, 8-19]
public bool IsZeroPageAux { get { return TestState(StateAltZP); } }
public MonitorType Monitor { get; private set; }
public int VideoMode { get { return StateVideoMode[_state & StateVideo]; } }
[JsonIgnore]
private Action<int, byte> _writeIoRegionC0C0;
[JsonIgnore]
private Action<int, byte> _writeIoRegionC1C7;
[JsonIgnore]
private Action<int, byte> _writeIoRegionC3C3;
[JsonIgnore]
private Action<int, byte> _writeIoRegionC8CF;
[JsonIgnore]
private Action<int, byte> _writeRomRegionD0FF;
[JsonIgnore]
public Action<uint> ReadCallback;
[JsonIgnore]
public Action<uint> WriteCallback;
[JsonIgnore]
public Action<uint> ExecuteCallback;
[JsonIgnore]
public Action InputCallback;
private Keyboard _keyboard;
private GamePort _gamePort;
private Cassette _cassette;
private Speaker _speaker;
private Video _video;
private NoSlotClock _noSlotClock;
private int _state;
private int _slotRegionC8CF;
private byte[] _zeroPage;
private byte[][] _regionRead = new byte[RegionCount][];
private byte[][] _regionWrite = new byte[RegionCount][];
private Action<int, byte>[] _writeRegion = new Action<int, byte>[RegionCount];
private byte[] _ramMainRegion0001 = new byte[0x0200];
private byte[] _ramMainRegion02BF = new byte[0xBE00];
private byte[] _ramMainBank1RegionD0DF = new byte[0x1000];
private byte[] _ramMainBank2RegionD0DF = new byte[0x1000];
private byte[] _ramMainRegionE0FF = new byte[0x2000];
private byte[] _ramAuxRegion0001 = new byte[0x0200];
private byte[] _ramAuxRegion02BF = new byte[0xBE00];
private byte[] _ramAuxBank1RegionD0DF = new byte[0x1000];
private byte[] _ramAuxBank2RegionD0DF = new byte[0x1000];
private byte[] _ramAuxRegionE0FF = new byte[0x2000];
private byte[] _romExternalRegionC1CF = new byte[0x0F00];
private byte[] _romInternalRegionC1CF = new byte[0x0F00];
private byte[] _romRegionD0DF = new byte[0x1000];
private byte[] _romRegionE0FF = new byte[0x2000];
}
}
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