public ArithmeticLogicUnit(IAddressRegister adr, IGeneralPurposeRegisters gpr, IInstructionPointerRegister ip, IReturnStack stack)
{
AddressRegister = adr;
Registers = gpr;
IP = ip;
ReturnStack = stack;
}
private static PointToFontSpriteCommand CreateCommand(int operationCode = ValidOperationCode,
IGeneralRegisters generalRegisters = null,
IAddressRegister addressRegister = null)
{
return new PointToFontSpriteCommand(0, operationCode,
generalRegisters ?? Substitute.For<IGeneralRegisters>(),
addressRegister ?? Substitute.For<IAddressRegister>());
}
public PointToFontSpriteCommand(int address, int operationCode, IGeneralRegisters generalRegisters,
IAddressRegister addressRegister)
: base(address, operationCode, generalRegisters)
{
if (FirstOperationCodeHalfByte != 0xF || SecondOperationCodeByte != 0x29)
throw new ArgumentOutOfRangeException("operationCode");
if (generalRegisters == null)
throw new ArgumentNullException("generalRegisters");
if (addressRegister == null)
throw new ArgumentNullException("addressRegister");
_addressRegister = addressRegister;
}
public SaveMemoryCellValuesInGeneralRegistersCommand(int address, int operationCode,
IGeneralRegisters generalRegisters,
IAddressRegister addressRegister, IMemory memory)
: base(address, operationCode, generalRegisters)
{
if (FirstOperationCodeHalfByte != 0xF || SecondOperationCodeByte != 0x65)
throw new ArgumentOutOfRangeException("operationCode");
if (addressRegister == null)
throw new ArgumentNullException("addressRegister");
if (memory == null)
throw new ArgumentNullException("memory");
_addressRegister = addressRegister;
_memory = memory;
}
public DisplayCommandFactory(IGeneralRegisters generalRegisters, IAddressRegister addressRegister,
IMemory memory, IDisplay display)
{
if (generalRegisters == null)
throw new ArgumentNullException("generalRegisters");
if (addressRegister == null)
throw new ArgumentNullException("addressRegister");
if (memory == null)
throw new ArgumentNullException("memory");
if (display == null)
throw new ArgumentNullException("display");
_generalRegisters = generalRegisters;
_addressRegister = addressRegister;
_memory = memory;
_display = display;
}
private static SaveGeneralRegistersValuesInMemoryCommand CreateCommand(int operationCode = ValidOperationCode,
IGeneralRegisters generalRegisters =
null,
IAddressRegister addressRegister = null,
IMemory memory = null)
{
return new SaveGeneralRegistersValuesInMemoryCommand(0, operationCode,
generalRegisters ?? Substitute.For<IGeneralRegisters>(),
addressRegister ?? Substitute.For<IAddressRegister>(),
memory ?? Substitute.For<IMemory>());
}
private static DrawSpriteCommand CreateDrawSpriteCommand(int operationCode = 0xD000,
IDisplay display = null,
IGeneralRegisters generalRegisters = null,
IAddressRegister addressRegister = null,
IMemory memory = null)
{
return new DrawSpriteCommand(0, operationCode,
display ?? Substitute.For<IDisplay>(),
generalRegisters ?? Substitute.For<IGeneralRegisters>(),
addressRegister ?? Substitute.For<IAddressRegister>(),
memory ?? Substitute.For<IMemory>());
}
private AddValueToAddressRegisterCommand CreateCommand(int operationCode = 0xF01E,
IGeneralRegisters generalRegisters = null,
IAddressRegister addressRegister = null)
{
return new AddValueToAddressRegisterCommand(0, operationCode,
generalRegisters ?? Substitute.For<IGeneralRegisters>(),
addressRegister ?? Substitute.For<IAddressRegister>());
}
