com.monkeycoder.monkeynes.hardware
Class CpuRegister16

java.lang.Object
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  +--com.monkeycoder.monkeynes.hardware.CpuRegister
        |
        +--com.monkeycoder.monkeynes.hardware.CpuRegister16

public class CpuRegister16

extends CpuRegister

This class represents a 16-bit CPU register. This class was created to better support the program counter (PC) register which is 16-bits instead of the common 8-bits.

Originally part of the MonkeyNES project.

Author:

David Stephens

Field Summary

Fields inherited from class com.monkeycoder.monkeynes.hardware.CpuRegister

PS_BREAK_COMMAND, PS_CARRY_FLAG, PS_DECIMAL_MODE, PS_INTERRUPT_DISABLE, PS_NEGATIVE_FLAG, PS_OVERFLOW_FLAG, PS_UNUSED, PS_ZERO_FLAG

Constructor Summary

CpuRegister16()
Creates a new CpuRegister16 set to 0.

CpuRegister16(int inData)
Creates a new CpuRegister16 set to a specific value.

Method Summary

void	cage() This function sets all bits that are not supposed to be in use by a register of this size to 0.

Methods inherited from class com.monkeycoder.monkeynes.hardware.CpuRegister

andEquals, decrement, getBitValue, getBooleanBitValue, getValue, increment, minusEquals, orEquals, plusEquals, setBitOff, setBitOn, setBitValue, setBitValue, setValue, toString, xorEquals

Methods inherited from class java.lang.Object

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

Constructor Detail

CpuRegister16

public CpuRegister16()

Creates a new CpuRegister16 set to 0.

CpuRegister16

public CpuRegister16(int inData)

Creates a new CpuRegister16 set to a specific value.

Parameters:

inData - The value to which the register will be set.

Method Detail

cage

public void cage()

This function sets all bits that are not supposed to be in use by a register of this size to 0.

Overrides:

cage in class CpuRegister