public FloppyControllerAdapter(X8086 cpu) : base(cpu)
{
task = new TaskSC(this);
this.sched = cpu.Sched;
if (cpu.PIC != null)
{
this.irq = cpu.PIC.GetIrqLine((byte)6);
}
if (cpu.DMA != null)
{
this.dma = cpu.DMA.GetChannel(2);
cpu.DMA.BindChannel(2, this);
}
curCylinder = new byte[4];
diskimg = new DiskImage[512];
regDOR = (byte)(0xC);
ctlStepRateTime = (byte)0;
ctlHeadUnloadTime = (byte)0;
ctlHeadLoadTime = (byte)0;
ctlNonDma = false;
for (uint i = 0x3F0; i <= 0x3F7; i++)
{
ValidPortAddress.Add(i);
}
}
public PPI8255(X8086 cpu, InterruptRequest irq)
{
task = new TaskSC(this);
for (int i = 0x60; i <= 0x6F; i++)
{
ValidPortAddress.Add((uint)i);
}
//PPISystemControl = x8086.WordToBitsArray(&HA5, PPISystemControl.Length)
//PPI = x8086.WordToBitsArray(&HA, PPISystemControl.Length)
//PPICommandModeRegister = &H99
this.cpu = cpu;
this.sched = cpu.Sched;
this.irq = irq;
if (cpu.PIT != null)
{
timer = cpu.PIT;
timer.SetCh2Gate((ppiB & 1) != 0);
}
keyBuf = "";
keyShiftPending = false;
keyMap = new KeyMap();
}
private Scheduler.Task task;// = new TaskSC(this);
public RTC(X8086 cpu, InterruptRequest irq)
{
task = new TaskSC(this);
this.irq = irq;
for (int i = 0x70; i <= 0x71; i++)
{
ValidPortAddress.Add((uint)i);
}
for (int i = 0x240; i <= 0x24F; i++)
{
ValidPortAddress.Add((uint)i);
}
// FIXME: Although this works, when pausing the emulation causes the internal timers to get out of sync:
// The contents at 46C no longer reflect what's returned by INT 1A, 02
// So the x8086.Resume method should perform a re-sync setting the new tick values into 46C.
// It also appears that the x8086.Resume method should also advance the time...
cpu.TryAttachHook((byte)(0x8), new X8086.IntHandler(() =>
{
uint ticks = (uint)((DateTime.Now - new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 0, 0, 0)).Ticks / 10000000 * 18.206);
//cpu.RAM16[0x40, 0x6E] = (ticks >> 16) & 0xFFFF;
//cpu.RAM16[0x40, 0x6C] = ticks & 0xFFFF;
//cpu.RAM8[0x40, 0x70] = 0;
cpu.set_RAM16(0x40, 0x6E, 0x0, false, (ushort)((long)(ticks >> 16) & 0xFFFF));
cpu.set_RAM16(0x40, 0x6C, 0x0, false, (ushort)((long)(ticks) & 0xFFFF));
cpu.set_RAM8(0x40, 0x70, 0x0, false, 0x00);
cpu.TryDetachHook(0x8);
return(false);
}));
cpu.TryAttachHook((byte)(0x1A), new X8086.IntHandler(() =>
{
switch (cpu.Registers.AH)
{
case 0x2: // Read real time clock time
cpu.Registers.CH = (byte)ToBCD((ushort)DateTime.Now.Hour);
cpu.Registers.CL = (byte)ToBCD((ushort)DateTime.Now.Minute);
cpu.Registers.DH = (byte)ToBCD((ushort)DateTime.Now.Second);
cpu.Registers.DL = 0;
cpu.Flags.CF = 0;
return(true);
case 0x4: // Read real time clock date
cpu.Registers.CH = (byte)ToBCD((ushort)(DateTime.Now.Year / 100));
cpu.Registers.CL = (byte)ToBCD((ushort)DateTime.Now.Year);
cpu.Registers.DH = (byte)ToBCD((ushort)DateTime.Now.Month);
cpu.Registers.DL = (byte)ToBCD((ushort)DateTime.Now.Day);
cpu.Flags.CF = 0;
return(true);
default:
return(false);
}
}));
}
private const int M = 77; //M as ascii
public MouseAdapter(X8086 cpu) : base(cpu)
{
if (base.CPU.PIC != null)
{
irq = base.CPU.PIC.GetIrqLine((byte)4);
}
for (uint i = 0x3F8; i <= 0x3F8 + 7; i++)
{
ValidPortAddress.Add(i);
}
}
//protected WebUI wui;
public CGAAdapter(X8086 cpu, bool useInternalTimer = true, bool enableWebUI = false) : base(cpu)
{
CGABasePalette = new Color[] {
Color.FromArgb(0x0, 0x0, 0x0),
Color.FromArgb(0x0, 0x0, 0xAA),
Color.FromArgb(0x0, 0xAA, 0x0),
Color.FromArgb(0x0, 0xAA, 0xAA),
Color.FromArgb(0xAA, 0x0, 0x0),
Color.FromArgb(0xAA, 0x0, 0xAA),
Color.FromArgb(0xAA, 0x55, 0x0),
Color.FromArgb(0xAA, 0xAA, 0xAA),
Color.FromArgb(0x55, 0x55, 0x55),
Color.FromArgb(0x55, 0x55, 0xFF),
Color.FromArgb(0x55, 0xFF, 0x55),
Color.FromArgb(0x55, 0xFF, 0xFF),
Color.FromArgb(0xFF, 0x55, 0x55),
Color.FromArgb(0xFF, 0x55, 0xFF),
Color.FromArgb(0xFF, 0xFF, 0x55),
Color.FromArgb(0xFF, 0xFF, 0xFF)
};
vidModeChangeFlag = (int)(+0b1000);
this.useInternalTimer = useInternalTimer;
//if (enableWebUI)
//{
// wui = new WebUI(cpu, videoBMP, chars);
//}
for (uint i = 0x3D0; i <= 0x3DF; i++) // CGA
{
ValidPortAddress.Add(i);
}
ValidPortAddress.Add(0x3B8);
for (int i = 0; i <= 255; i++)
{
if (i >= 32 && i < 255)
{
chars[i] = Convert.ToChar(i);
}
else
{
chars[i] = ' ';
}
}
Reset();
//VideoMode = VideoModes.Mode7_Text_BW_80x25
}
public AdlibAdapter(X8086 cpu) : base(cpu)
{
for (int i = 0; i <= Opl.Length - 1; i++)
{
Opl[i] = new OplStruct[2];
}
ValidPortAddress.Add(0x388);
ValidPortAddress.Add(0x389);
Array.Resize(ref attackTable, 16);
Array.Resize(ref decayTable, 16);
Array.Resize(ref oplTable, 16);
}
public DMAI8237(X8086 cpu)
{
task = new TaskSC(this);
this.cpu = cpu;
channels = new Channel[5];
for (int i = 0; i <= 4 - 1; i++)
{
channels[i] = new Channel(this);
}
MaskReg = 0xF; // mask all channels
ch0NextTrigger = -1;
for (uint i = 0x0; i <= 0xF; i++)
{
ValidPortAddress.Add(i);
}
for (uint i = 0x80; i <= 0x8F; i++)
{
ValidPortAddress.Add(i);
}
}
public PIC8259(X8086 cpu, PIC8259 master = null)
{
if (ReferenceEquals(master, null))
{
for (int i = 0x20; i <= 0x2F; i++)
{
ValidPortAddress.Add((uint)i);
}
//cascadeId = 0
//slave(cascadeId) = New PIC8259(cpu, Me)
//slave(cascadeId).SetMaster(Me, 2)
}
else
{
for (int i = 0x30; i <= 0x3F; i++)
{
ValidPortAddress.Add((uint)i);
}
}
state = States.ICW1;
}
public PIT8254(X8086 cpu, InterruptRequest irq)
{
task = new TaskSC(this);
this.cpu = cpu;
this.irq = irq;
this.currentTime = cpu.Sched.CurrentTime;
// construct 3 timer channels
mChannels[0] = new Counter(this);
mChannels[1] = new Counter(this);
mChannels[2] = new Counter(this);
// gate input for channels 0 and 1 is always high
mChannels[0].Gate = true;
mChannels[1].Gate = true;
for (int i = 0x40; i <= 0x43; i++)
{
ValidPortAddress.Add((uint)i);
}
UpdateClock();
}