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Virtu/Virtu/Memory.cs
Sean Fausett 8bc3b239c5 Added default boot disk image which is read from an embedded resource. 
--HG--
extra : convert_revision : svn%3Affd33b8c-2492-42e0-bdc5-587b920b7d6d/trunk%4035708
2009-12-14 08:06:40 +00:00

1470 lines
58 KiB
C#
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using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using Jellyfish.Library;
using Jellyfish.Virtu.Services;
namespace Jellyfish.Virtu
{
public enum MonitorType { Unknown, Standard, Enhanced };
public sealed partial class Memory : MachineComponent
{
public Memory(Machine machine) :
base(machine)
{
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;
}
public override void Initialize()
{
_diskII = Machine.DiskII;
_keyboard = Machine.Keyboard;
_gamePort = Machine.GamePort;
_cassette = Machine.Cassette;
_speaker = Machine.Speaker;
_video = Machine.Video;
Stream romStream = StorageService.GetResourceStream("AppleIIe.rom", 0x4000);
romStream.Seek(0x0100, SeekOrigin.Current);
romStream.ReadBlock(_romInternalRegionC1CF, 0x0000, 0x0F00);
romStream.ReadBlock(_romRegionD0DF, 0x0000, 0x1000);
romStream.ReadBlock(_romRegionE0FF, 0x0000, 0x2000);
romStream = StorageService.GetResourceStream("DiskII.rom", 0x0100);
romStream.ReadBlock(_romExternalRegionC1CF, 0x0500, 0x0100);
if ((ReadRomRegionE0FF(0xFBB3) == 0x06) && (ReadRomRegionE0FF(0xFBBF) == 0xC1))
{
Monitor = MonitorType.Standard;
}
else if ((ReadRomRegionE0FF(0xFBB3) == 0x06) && (ReadRomRegionE0FF(0xFBBF) == 0x00) && (ReadRomRegionE0FF(0xFBC0) == 0xE0))
{
Monitor = MonitorType.Enhanced;
}
Buffer.BlockCopy(_romInternalRegionC1CF, 0x0700, _romExternalRegionC1CF, 0x0700, 0x0800);
}
public override void Reset() // [7-3]
{
ResetState(State80Col | State80Store | StateAltChrSet | StateAltZP | StateBank1 | StateHRamRd | StateHRamPreWrt | StateHRamWrt | // HRamWrt' [5-23]
StateHires | StatePage2 | StateRamRd | StateRamWrt | StateSlotC3Rom | StateIntCXRom | StateAn0 | StateAn1 | StateAn2 | StateAn3);
SetState(StateDRes); // An3' -> DRes [8-20]
MapRegion0001();
MapRegion02BF();
MapRegionC0CF();
MapRegionD0FF();
}
#region Core Read & Write
public int Read(int address)
{
int region = PageRegion[address >> 8];
return (region == RegionC0C0) ? ReadIoC0XX(address) : _regionRead[region][address - RegionBaseAddress[region]];
}
public int ReadZeroPage(int address)
{
return _zeroPage[address];
}
public void Write(int address, int data)
{
int region = PageRegion[address >> 8];
if (_writeRegion[region] == null)
{
_regionWrite[region][address - RegionBaseAddress[region]] = (byte)data;
}
else
{
_writeRegion[region](address, (byte)data);
}
}
public void WriteZeroPage(int address, int data)
{
_zeroPage[address] = (byte)data;
}
#endregion
#region Read Actions
[SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity")]
[SuppressMessage("Microsoft.Maintainability", "CA1505:AvoidUnmaintainableCode")]
private int ReadIoC0XX(int address)
{
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.ReadLatch(), _keyboard.Strobe);
case 0xC010:
_keyboard.ResetStrobe();
return SetBit7(_keyboard.ReadLatch(), _keyboard.IsAnyKeyDown);
case 0xC011:
return SetBit7(_keyboard.ReadLatch(), !IsHighRamBank1); // Bank1' [5-22]
case 0xC012:
return SetBit7(_keyboard.ReadLatch(), IsHighRamRead);
case 0xC013:
return SetBit7(_keyboard.ReadLatch(), IsRamReadAux);
case 0xC014:
return SetBit7(_keyboard.ReadLatch(), IsRamWriteAux);
case 0xC015:
return SetBit7(_keyboard.ReadLatch(), IsRomCXXXInternal);
case 0xC016:
return SetBit7(_keyboard.ReadLatch(), IsZeroPageAux);
case 0xC017:
return SetBit7(_keyboard.ReadLatch(), IsRomC3XXExternal);
case 0xC018:
return SetBit7(_keyboard.ReadLatch(), Is80Store);
case 0xC019:
return SetBit7(_keyboard.ReadLatch(), !_video.IsVBlank); // Vbl' [7-5]
case 0xC01A:
return SetBit7(_keyboard.ReadLatch(), IsText);
case 0xC01B:
return SetBit7(_keyboard.ReadLatch(), IsMixed);
case 0xC01C:
return SetBit7(_keyboard.ReadLatch(), IsPage2);
case 0xC01D:
return SetBit7(_keyboard.ReadLatch(), IsHires);
case 0xC01E:
return SetBit7(_keyboard.ReadLatch(), IsCharSetAlternate);
case 0xC01F:
return SetBit7(_keyboard.ReadLatch(), 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:
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:
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:
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:
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:
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:
return _diskII.Read(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:
break;
default:
throw new ArgumentOutOfRangeException("address");
}
return _video.ReadFloatingBus(); // [5-40]
}
[SuppressMessage("Microsoft.Usage", "CA2233:OperationsShouldNotOverflow", MessageId = "address-512")]
public int ReadRamMainRegion02BF(int address)
{
return _ramMainRegion02BF[address - 0x0200];
}
[SuppressMessage("Microsoft.Usage", "CA2233:OperationsShouldNotOverflow", MessageId = "address-512")]
public int ReadRamAuxRegion02BF(int address)
{
return _ramAuxRegion02BF[address - 0x0200];
}
[SuppressMessage("Microsoft.Usage", "CA2233:OperationsShouldNotOverflow", MessageId = "address-57344")]
public int ReadRomRegionE0FF(int address)
{
return _romRegionE0FF[address - 0xE000];
}
#endregion
#region Write Actions
[SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity")]
[SuppressMessage("Microsoft.Maintainability", "CA1505:AvoidUnmaintainableCode")]
private void WriteIoC0XX(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:
SetRomCXXX(TestBit(address, 0));
break;
case 0xC008: case 0xC009:
SetZeroPage(TestBit(address, 0));
break;
case 0xC00A: case 0xC00B:
SetRomC3XX(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:
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:
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:
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:
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:
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:
_diskII.Write(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:
break;
default:
throw new ArgumentOutOfRangeException("address");
}
}
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 WriteRomRegionC1FF(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 (IsRomCXXXInternal)
{
_regionRead[RegionC1C7] = _romInternalRegionC1CF;
_regionRead[RegionC3C3] = _romInternalRegionC1CF;
_regionRead[RegionC8CF] = _romInternalRegionC1CF;
}
else
{
_regionRead[RegionC1C7] = _romExternalRegionC1CF;
_regionRead[RegionC3C3] = IsRomC3XXExternal ? _romExternalRegionC1CF : _romInternalRegionC1CF;
_regionRead[RegionC8CF] = _romExternalRegionC1CF;
}
_regionWrite[RegionC0C0] = null;
_regionWrite[RegionC1C7] = null;
_regionWrite[RegionC3C3] = null;
_regionWrite[RegionC8CF] = null;
_writeRegion[RegionC0C0] = WriteIoC0XX;
_writeRegion[RegionC1C7] = WriteRomRegionC1FF;
_writeRegion[RegionC3C3] = WriteRomRegionC1FF;
_writeRegion[RegionC8CF] = WriteRomRegionC1FF;
}
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] = WriteRomRegionC1FF;
_writeRegion[RegionE0FF] = WriteRomRegionC1FF;
}
}
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 SetRomC3XX(bool value)
{
if (!TestState(StateSlotC3Rom, value))
{
SetState(StateSlotC3Rom, value);
MapRegionC0CF();
}
}
private void SetRomCXXX(bool value)
{
if (!TestState(StateIntCXRom, value))
{
SetState(StateIntCXRom, 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 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 IsRomC3XXExternal { get { return TestState(StateSlotC3Rom); } }
public bool IsRomCXXXInternal { get { return TestState(StateIntCXRom); } }
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]; } }
private DiskII _diskII;
private Keyboard _keyboard;
private GamePort _gamePort;
private Cassette _cassette;
private Speaker _speaker;
private Video _video;
private int _state;
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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