public IEC(C64Display display) { the_display = display; int i; // Create drives 8..11 for (i = 0; i < drive.Length; i++) { drive[i] = null; // Important because UpdateLEDs is called from the drive constructors (via set_error) } if (!GlobalPrefs.ThePrefs.Emul1541Proc) { DriveType[] prefDrives = GlobalPrefs.ThePrefs.DriveType; for (i = 0; i < prefDrives.Length; i++) { if (prefDrives[i] == DriveType.DRVTYPE_DIR) { drive[i] = new FSDrive(this, GlobalPrefs.ThePrefs.DrivePath[i]); } else if (prefDrives[i] == DriveType.DRVTYPE_D64) { drive[i] = new D64Drive(this, GlobalPrefs.ThePrefs.DrivePath[i]); } else { drive[i] = new T64Drive(this, GlobalPrefs.ThePrefs.DrivePath[i]); } } } listener_active = talker_active = false; listening = false; }
const bool BALow = false; // used for the EmulateCycle.cs file to ignore this condition #endregion #region public methods public MOS6502_1541(C64 c64, Job1541 job, C64Display disp, byte[] Ram, byte[] 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() { int i, j; // The thread is not yet running thread_running = false; quit_thyself = false; have_a_break = false; // Open display TheDisplay = new C64Display(this); TheDisplay.Initialize(); // Allocate RAM/ROM memory RAM = new byte[0x10000]; Basic = new byte[0x2000]; Kernal = new byte[0x2000]; Char = new byte[0x1000]; Color = new byte[0x0400]; 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); 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); } } } // 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; frameTimer.Reset(); frameTimer.Start(); }