bool write_protected; // Flag: Disk write-protected
#endregion Fields
#region Constructors
public Job1541(Drive1541Ram RAM)
{
ram = RAM;
the_file = null;
gcr_data = new byte[GCR_DISK_SIZE];
gcr_ptr = gcr_track_start = 0;
gcr_track_end = gcr_track_start + GCR_TRACK_SIZE;
current_halftrack = 2;
disk_changed = true;
// TODO
//if (GlobalPrefs.ThePrefs.Emul1541Proc)
// open_d64_file(GlobalPrefs.ThePrefs.DrivePath[0]);
}
MOS6526_2 _TheCIA2; // Pointer to C64 CIA 2
#endregion Fields
#region Constructors
public MOS6502_1541(C64 c64, Job1541 job, C64Display disp, Drive1541Ram Ram, Drive1541Rom Rom)
{
the_c64 = c64;
the_job = job;
the_display = disp;
ram = Ram;
rom = Rom;
a = x = y = 0;
sp = 0xff;
n_flag = z_flag = 0;
v_flag = d_flag = c_flag = false;
i_flag = true;
via1_t1c = via1_t1l = via1_t2c = via1_t2l = 0;
via1_sr = 0;
via2_t1c = via2_t1l = via2_t2c = via2_t2l = 0;
via2_sr = 0;
first_irq_cycle = 0;
Idle = false;
}
public C64(EmulatorIOAdapter ioAdapter)
{
int i, j;
emulationSpeed = 0.0f;
// The thread is not yet running
thread_running = false;
quit_thyself = false;
have_a_break = false;
// Open display
TheDisplay = new C64Display(this, ioAdapter);
// Allocate RAM/ROM memory
//RAM = new byte[0x10000];
_ram = new SystemRam();
_colorRam = new ColorRam();
_basicRom = new BasicRom();
_kernalRom = new KernalRom();
_characterRom = new CharacterRom();
//Basic = new byte[0x2000];
//Kernal = new byte[0x2000];
//Char = new byte[0x1000];
//Color = new byte[0x0400];
_ram1541 = new Drive1541Ram();
_rom1541 = new Drive1541Rom();
//RAM1541 = new byte[0x0800];
//ROM1541 = new byte[0x4000];
// Create the chips
TheCPU = new MOS6510(this, RAM, Basic, Kernal, Char, Color);
TheJob1541 = new Job1541(_ram1541);
TheCPU1541 = new MOS6502_1541(this, TheJob1541, TheDisplay, _ram1541, _rom1541);
TheVIC = TheCPU.TheVIC = new MOS6569(this, TheDisplay, TheCPU, RAM, Char, Color);
TheSID = TheCPU.TheSID = new MOS6581(this);
TheCIA1 = TheCPU.TheCIA1 = new MOS6526_1(TheCPU, TheVIC);
TheCIA2 = TheCPU.TheCIA2 = TheCPU1541.TheCIA2 = new MOS6526_2(TheCPU, TheVIC, TheCPU1541);
TheIEC = TheCPU.TheIEC = new IEC(TheDisplay);
TheREU = TheCPU.TheREU = new REU(TheCPU);
_ram.InitializeWithPowerUpPattern();
_colorRam.InitializeWithRandomValues();
TheDisplay.Initialize();
#if false
//unsafe
//{
// fixed (byte* pRAM = RAM, pColor = Color)
// {
// byte* p = pRAM;
// // Initialize RAM with powerup pattern
// for (i = 0; i < 512; i++)
// {
// for (j = 0; j < 64; j++)
// *p++ = 0;
// for (j = 0; j < 64; j++)
// *p++ = 0xff;
// }
// Random rand = new Random();
// p = pColor;
// // Initialize color RAM with random values
// for (i = 0; i < 1024; i++)
// *p++ = (byte)(rand.Next() & 0x0f);
// }
//}
#endif
// Open joystick drivers if required
open_close_joysticks(false, false, GlobalPrefs.ThePrefs.Joystick1On, GlobalPrefs.ThePrefs.Joystick2On);
joykey = 0xff;
CycleCounter = 0;
// No need to check for state change.
state_change = false;
// TODO
frameTimer.Reset();
frameTimer.Start();
}