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minor changes

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This commit is contained in:
hneemann 2016-03-19 23:08:58 +01:00
parent da0646b53f
commit 289b15bac9
10 changed files with 20 additions and 37 deletions
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3
src/main/java/de/neemann/digital/core/ObservableValue.java
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@ -22,8 +22,9 @@ public class ObservableValue extends Value {
observers = new ArrayList<>();
}
public void addObserver(Observer observer) {
public ObservableValue addObserver(Observer observer) {
observers.add(observer);
return this;
}
public void removeObserver(Observer observer) {

9
src/main/java/de/neemann/digital/core/arithmetic/Add.java
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@ -53,12 +53,9 @@ public class Add extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
a = inputs[0];
a.addObserver(this);
b = inputs[1];
b.addObserver(this);
c_in = inputs[2];
c_in.addObserver(this);
a = inputs[0].addObserver(this);
b = inputs[1].addObserver(this);
c_in = inputs[2].addObserver(this);
if (a.getBits() != bits)
throw new BitsException("wrongBitCount", a);

6
src/main/java/de/neemann/digital/core/arithmetic/Mul.java
View File

@ -39,10 +39,8 @@ public class Mul extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws NodeException {
a = inputs[0];
a.addObserver(this);
b = inputs[1];
b.addObserver(this);
a = inputs[0].addObserver(this);
b = inputs[1].addObserver(this);
}
@Override

3
src/main/java/de/neemann/digital/core/basic/Not.java
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@ -38,8 +38,7 @@ public class Not extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws NodeException {
input = inputs[0];
input.addObserver(this);
input = inputs[0].addObserver(this);
}
@Override

6
src/main/java/de/neemann/digital/core/basic/XOr.java
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@ -38,10 +38,8 @@ public class XOr extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
a = inputs[0];
a.addObserver(this);
b = inputs[1];
b.addObserver(this);
a = inputs[0].addObserver(this);
b = inputs[1].addObserver(this);
if (a.getBits() != bits)
throw new BitsException("wrongBitCount", a);

6
src/main/java/de/neemann/digital/core/flipflops/D_FF.java
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@ -45,10 +45,8 @@ public class D_FF extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
dVal = inputs[0];
dVal.addObserver(this);
clockVal = inputs[1];
clockVal.addObserver(this);
dVal = inputs[0].addObserver(this);
clockVal = inputs[1].addObserver(this);
if (dVal.getBits() != bits)
throw new BitsException("wrongBitCount", dVal);

9
src/main/java/de/neemann/digital/core/flipflops/JK_FF.java
View File

@ -49,12 +49,9 @@ public class JK_FF extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
jVal = inputs[0];
jVal.addObserver(this);
clockVal = inputs[1];
clockVal.addObserver(this);
kVal = inputs[2];
kVal.addObserver(this);
jVal = inputs[0].addObserver(this);
clockVal = inputs[1].addObserver(this);
kVal = inputs[2].addObserver(this);
if (jVal.getBits() != 1)
throw new BitsException("wrongBitCount", jVal);

9
src/main/java/de/neemann/digital/core/flipflops/RS_FF.java
View File

@ -48,12 +48,9 @@ public class RS_FF extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
jVal = inputs[0];
jVal.addObserver(this);
clockVal = inputs[1];
clockVal.addObserver(this);
kVal = inputs[2];
kVal.addObserver(this);
jVal = inputs[0].addObserver(this);
clockVal = inputs[1].addObserver(this);
kVal = inputs[2].addObserver(this);
if (jVal.getBits() != 1)
throw new BitsException("wrongBitCount", jVal);

3
src/main/java/de/neemann/digital/core/flipflops/T_FF.java
View File

@ -42,8 +42,7 @@ public class T_FF extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws BitsException {
clockVal = inputs[0];
clockVal.addObserver(this);
clockVal = inputs[0].addObserver(this);
if (clockVal.getBits() != 1)
throw new BitsException("carryIsABit", clockVal);

3
src/main/java/de/neemann/digital/core/wiring/Delay.java
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@ -42,8 +42,7 @@ public class Delay extends Node implements Part {
@Override
public void setInputs(ObservableValue... inputs) throws NodeException {
input = inputs[0];
input.addObserver(this);
input = inputs[0].addObserver(this);
if (input.getBits() != bits)
throw new BitsException("wrongBitCountInDelay", input, output);