Package dev.zemco.codegame.execution.instructions

Class CopyFromInstruction

java.lang.Object

dev.zemco.codegame.execution.instructions.AbstractCopyInstruction

dev.zemco.codegame.execution.instructions.CopyFromInstruction

All Implemented Interfaces:

IInstruction

public class CopyFromInstruction
extends AbstractCopyInstruction

Instruction that copies value from target memory cell to working memory cell.

Author:

Erik Zemčík

Constructor Summary

Constructors

Constructor	Description
CopyFromInstruction(int sourceCellAddress)	Creates an instance of CopyFromInstruction that copies values from memory cell at a given address.

Method Summary

Modifier and Type	Method	Description
protected IMemoryCell	getDestinationMemoryCell(IMemory memory)	Retrieves the destination memory cell for copying.
protected IMemoryCell	getSourceMemoryCell(IMemory memory)	Retrieves the source memory cell for copying.

Methods inherited from class dev.zemco.codegame.execution.instructions.AbstractCopyInstruction

execute, getMemoryCellAtAddress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CopyFromInstruction

public CopyFromInstruction(int sourceCellAddress)

Creates an instance of CopyFromInstruction that copies values from memory cell at a given address.

Parameters:

sourceCellAddress - address of the source memory cell

Throws:

IllegalArgumentException - if sourceCellAddress is not a positive integer

Method Details

getSourceMemoryCell

protected IMemoryCell getSourceMemoryCell(IMemory memory)
                                   throws InstructionExecutionException

Description copied from class: AbstractCopyInstruction

Retrieves the source memory cell for copying.

Specified by:

getSourceMemoryCell in class AbstractCopyInstruction

Parameters:

memory - source of memory cells

Returns:

source memory cell

Throws:

InstructionExecutionException - if the source memory cell could not be retrieved

getDestinationMemoryCell

protected IMemoryCell getDestinationMemoryCell(IMemory memory)

Description copied from class: AbstractCopyInstruction

Retrieves the destination memory cell for copying.

Specified by:

getDestinationMemoryCell in class AbstractCopyInstruction

Parameters:

memory - source of memory cells

Returns:

destination memory cell