public Trainer()
{
emu = new Cpu6800();
// Set keyboard mapped memory 'high'
emu.Memory[0xC003] = 0xFF;
emu.Memory[0xC005] = 0xFF;
emu.Memory[0xC006] = 0xFF;
emu.Reset();
}
/// <summary>
/// Simulate keypress through memory-mapped locations C003-C006
/// </summary>
/// <param name="key"></param>
public void PressKey(Keys key)
{
switch (key)
{
// pull appropriate bit at mem location LOW
case Keys.Key0:
emu.Memory[0xC006] &= 0xDF;
break;
case Keys.Key1: // 1, ACCA
emu.Memory[0xC006] &= 0xEF;
break;
case Keys.Key2: // 2
emu.Memory[0xC005] &= 0xEF;
break;
case Keys.Key3: // 3
emu.Memory[0xC003] &= 0xEF;
break;
case Keys.Key4: // 4, INDEX
emu.Memory[0xC006] &= 0xF7;
break;
case Keys.Key5: // 5, CC
emu.Memory[0xC005] &= 0xF7;
break;
case Keys.Key6: // 6
emu.Memory[0xC003] &= 0xF7;
break;
case Keys.Key7: // 7, RTI;
emu.Memory[0xC006] &= 0xFB;
break;
case Keys.Key8: // 8
emu.Memory[0xC005] &= 0xFB;
break;
case Keys.Key9: // 9
emu.Memory[0xC003] &= 0xFB;
break;
case Keys.KeyA: // A, Auto
emu.Memory[0xC006] &= 0xFD;
break;
case Keys.KeyB: // B
emu.Memory[0xC005] &= 0xFD;
break;
case Keys.KeyC: // C
emu.Memory[0xC003] &= 0xFD;
break;
case Keys.KeyD: // D, Do
emu.Memory[0xC006] &= 0xFE;
break;
case Keys.KeyE: // E, Exam
emu.Memory[0xC005] &= 0xFE;
break;
case Keys.KeyF: // F
emu.Memory[0xC003] &= 0xFE;
break;
case Keys.KeyReset: // RESET
emu.Reset();
break;
}
}