// CONSTRUCTOR
internal Clock(Computer Computer, Z80.Z80 Cpu, ITimer Timer, InterruptManager InterruptManager, ulong TicksPerSoundSample, Action SoundCallback)
{
InitTickMeasurement(Timer.TicksPerSecond);
TickCount = 0;
computer = Computer;
cpu = Cpu;
timer = Timer;
intMgr = InterruptManager;
ticksPerSoundSample = TicksPerSoundSample;
soundCallback = SoundCallback;
clockSpeed = ClockSpeed.Normal;
nextRtcIrqTick = TICKS_PER_IRQ;
ResetTriggers();
waitTrigger = new Trigger(null,
null,
TriggerLock: false,
CanLatchBeforeEnabled: false)
{
Enabled = true
};
}
/// <summary>
/// Overwrite the clockspeed (see Settings.ClockSpeed for details)
/// </summary>
/// <param name="clockSpeed"></param>
private void WriteClockSpeed(ClockSpeed clockSpeed)
{
byte speed;
switch (clockSpeed)
{
default:
case ClockSpeed.Default:
speed = 3;
break;
case ClockSpeed.Slow:
speed = 2;
break;
case ClockSpeed.Fast:
speed = 6;
break;
case ClockSpeed.VeryFast:
speed = 9;
break;
case ClockSpeed.SuperFast:
speed = 18;
break;
}
var addr = 0x00BC66D4;
uint val = 0x240B0000 + (uint)speed;
ReadWriteUtils.WriteToROM(addr, val);
}
protected async Task StartWithFloppy(string Path, ClockSpeed ClockSpeed)
{
InitComputer(true, ClockSpeed);
computer.LoadFloppy(0, Path);
await computer.StartAndAwait();
await computer.Delay(20000);
}
/// <summary>
/// Overwrite the clockspeed (see Settings.ClockSpeed for details)
/// </summary>
/// <param name="clockSpeed"></param>
private void WriteClockSpeed(ClockSpeed clockSpeed)
{
byte speed;
short invertedModifier;
switch (clockSpeed)
{
default:
case ClockSpeed.Default:
speed = 3;
invertedModifier = -2;
break;
case ClockSpeed.VerySlow:
speed = 1;
invertedModifier = 0;
break;
case ClockSpeed.Slow:
speed = 2;
invertedModifier = -1;
break;
case ClockSpeed.Fast:
speed = 6;
invertedModifier = -4;
break;
case ClockSpeed.VeryFast:
speed = 9;
invertedModifier = -6;
break;
case ClockSpeed.SuperFast:
speed = 18;
invertedModifier = -12;
break;
}
ResourceUtils.ApplyHack(Values.ModsDirectory + "fix-clock-speed");
var codeFileAddress = 0xB3C000;
var hackAddressOffset = 0x8A674;
var modificationOffset = 0x1B;
ReadWriteUtils.WriteToROM(codeFileAddress + hackAddressOffset + modificationOffset, speed);
var invertedModifierOffsets = new List <int>
{
0xB1B8E,
0x7405E
};
foreach (var offset in invertedModifierOffsets)
{
ReadWriteUtils.WriteToROM(codeFileAddress + offset, (ushort)invertedModifier);
}
}
protected void InitComputer(bool EnableFloppyController, ClockSpeed ClockSpeed = ClockSpeed.Unlimited)
{
var settings = new Settings()
{
ClockSpeed = ClockSpeed,
DiskEnabled = EnableFloppyController
};
InitComputer(settings);
}
protected async Task StartToBasic(ClockSpeed ClockSpeed = ClockSpeed.Unlimited, bool HighSpeedTape = true)
{
InitComputer(false, ClockSpeed.Unlimited);
await computer.StartAndAwait();
await computer.Delay(500);
if (!HighSpeedTape)
{
await KeyPress(KeyCode.L, false, 500, 500);
}
else
{
await KeyPress(KeyCode.Return, false, 500, 500);
}
await KeyPress(KeyCode.Return, false, 500, 500);
await computer.Delay(2000);
}
protected async Task StartToTrsdos(ClockSpeed ClockSpeed)
{
await StartWithFloppy(Storage.FILE_NAME_TRSDOS, ClockSpeed);
}