com.github.croesch.micro_debug.mic1.mpc
Class NextMPCCalculator

java.lang.Object
  com.github.croesch.micro_debug.mic1.mpc.NextMPCCalculator

public final class NextMPCCalculator
extends Object

This class represents a calculator for the next micro-program-counter (MPC). It is based on the verilog code for 'calculation of MPC' in the script of the lecture 'Rechnertechnik' of Karl Stroetmann.

Since:

Date: Nov 7, 2011

Author:

croesch

Constructor Summary

NextMPCCalculator()

Method Summary

void	calculate() Performs calculation of the output signals based on the current values of input signals.
int	getMpc() Returns the calculated 9-bit-value.
void	setAddr(int newAddr) Sets the value of the Addr (MIR[35:27]).
void	setJmpC(boolean jmpCValue) Sets the value of the JMPC (MIR[26]).
void	setJmpN(boolean jmpNValue) Sets the value of the JMPN (MIR[25]).
void	setJmpZ(boolean jmpZValue) Sets the value of the JMPZ (MIR[24]).
void	setMbr(byte mbrValue) Sets the value of the register MBR.
void	setN(boolean nValue) Sets the value of the N - value fetched from the ALU.
void	setZ(boolean zValue) Sets the value of the Z - value fetched from the ALU.

Methods inherited from class java.lang.Object

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

Constructor Detail

NextMPCCalculator

public NextMPCCalculator()

Method Detail

calculate

public void calculate()

Performs calculation of the output signals based on the current values of input signals.

Since:

Date: Nov 7, 2011

getMpc

public int getMpc()

Returns the calculated 9-bit-value. This is the value for the next MPC.

Returns:

the 9-bit-value for the MPC

Since:

Date: Nov 7, 2011

setMbr

public void setMbr(byte mbrValue)

Sets the value of the register MBR.

Parameters:

mbrValue - the byte fetched from the register MBR

Since:

Date: Nov 7, 2011

setAddr

public void setAddr(int newAddr)

Sets the value of the Addr (MIR[35:27]).

Parameters:

newAddr - the value of the Addr fetched from the current control word

Since:

Date: Nov 7, 2011

setJmpC

public void setJmpC(boolean jmpCValue)

Sets the value of the JMPC (MIR[26]).

Parameters:

jmpCValue - the value of JMPC fetched from the current control word

Since:

Date: Nov 7, 2011

setJmpN

public void setJmpN(boolean jmpNValue)

Sets the value of the JMPN (MIR[25]).

Parameters:

jmpNValue - the value of JMPN fetched from the current control word

Since:

Date: Nov 7, 2011

setJmpZ

public void setJmpZ(boolean jmpZValue)

Sets the value of the JMPZ (MIR[24]).

Parameters:

jmpZValue - the value of JMPZ fetched from the current control word

Since:

Date: Nov 7, 2011

setN

public void setN(boolean nValue)

Sets the value of the N - value fetched from the ALU.

Parameters:

nValue - the value of N, fetched from the ALU

Since:

Date: Nov 7, 2011

setZ

public void setZ(boolean zValue)

Sets the value of the Z - value fetched from the ALU.

Parameters:

zValue - the value of Z, fetched from the ALU

Since:

Date: Nov 7, 2011