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SmpMemory.java
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SmpMemory.java
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/**
* Simpletron Memory
*
* @author Maverick G. Fabroa
* @date September 29, 2022
* @based on the code written by sir Dennis Durano
*/
public class SmpMemory {
// Size of memory
private int size;
// Stored memory instructions
private String[] memory = null;
/**
* Set memory size with the specified size
*
* @param size
*/
public SmpMemory(int size) {
this.size = size;
this.memory = new String[size];
for (int i = 0; i < size; i++) {
this.memory[i] = "0000";
}
}
/**
* Set memory size with the default size with data
*/
public SmpMemory(String[] data) {
this();
for (int i = 0; i < data.length; i++) {
this.memory[i] = data[i];
}
}
/**
* Set memory size with the default size of 100
*/
public SmpMemory() {
this(100);
}
/**
* Check if the specified address is valid
*
* @return boolean
*/
public boolean isAddressValid(int address) {
return address >= 0 && address < this.size;
}
/**
* Set memory item with the specified data and address
*
* @return int
*/
public boolean setItem(String item, int address) {
// Check if the address is valid
if (isAddressValid(address)) {
// Set the item
this.memory[address] = item;
return true;
}
return false;
}
/**
* Get memory item with the specified address
*
* @return String
*/
public String getItem(int address) {
// Check if the address is valid
if (isAddressValid(address)) {
// Get the item
return this.memory[address];
}
return null;
}
/**
* Get memory size
*
* @return int
*/
public int getSize() {
return this.size;
}
/**
* Dump memory
*/
public void dump() {
System.out.println("\t-------------------------------------------------------------------");
for (int i = 0; i < 10; i++) {
System.out.printf("\t%5d", i);
}
System.out.printf("\n%5d", 0);
for (int i = 0; i < this.size; i++) {
System.out.printf("\t%5s", this.memory[i]);
if ((i + 1) % 10 == 0 && i < this.size - 1) {
System.out.printf("\n%5d", i + 1);
}
}
System.out.println("\n\t-------------------------------------------------------------------");
}
}